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Join our team
Build a meaningful career in environmental, health, safety, and sustainability consulting.
Why Work at Citadel EHS?
Citadel EHS offers more than a job — we offer a career built on purpose, growth, and opportunity. We’re committed to creating an environment where talented people can build rewarding careers, develop their expertise, and make a meaningful impact for our clients and communities.
Integrity, excellence, collaboration, and empowerment aren’t just values — they guide how we work, support one another, and deliver exceptional results every day.
Three Decades of Stability
Citadel EHS has served clients since 1993, building a culture of long-term thinking, accountability, and commitment to delivering exceptional service for our clients.
Values-Driven Culture
Work in an environment where integrity, trust, excellence, and empowerment guide everything we do.
Professional Growth
Access training, certifications, mentoring, and clear pathways for career advancement.
What We Offer
Comprehensive Benefits
Competitive compensation and benefits designed to support your wellbeing
Health & Insurance
- ✓Comprehensive health insurance
- ✓Dental and vision coverage
- ✓Mental health support
Financial
- ✓401(k) with company match
- ✓Stock options
Time Off
- ✓Generous paid time off
- ✓Paid holidays
- ✓Flexible work arrangements
Professional Development
- ✓Certification support
- ✓Training programs
- ✓Tuition reimbursement
Join Us
Grow Your Career With Citadel
We're always looking for talented environmental, health, and safety professionals
From environmental scientists and industrial hygienists to safety consultants and project managers, we're interested in meeting people who share our commitment to doing exceptional work. Tell us about yourself and the kind of role you're looking for — we'd love to hear from you.
Get in TouchOur Culture




Collaboration & Teamwork
We work together across disciplines and offices to deliver comprehensive solutions for our clients.
Innovation & Continuous Learning
We stay at the forefront of EHS&S practices, investing in training and development for our team.
Diversity & Inclusion
We celebrate diverse perspectives and create an inclusive environment where everyone can thrive.
Work-Life Balance
We believe in supporting the whole person, offering flexible arrangements and wellness programs.
Join The Team
Current openings
To apply, email your resume to hr@citadelehs.com.
PROJECT ASSISTANT – INDUSTRIAL HYGIENE & SAFETY
Glendale, CA · Industrial Hygiene & Safety · Posted September 2, 2026
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PROJECT ASSISTANT – INDUSTRIAL HYGIENE & SAFETY
Glendale, CA · Industrial Hygiene & Safety · Posted September 2, 2026
Citadel EHS is seeking a full-time Project Assistant to support our Industrial Hygiene & Safety (IH&S) team. This role blends project coordination, technical and administrative support, equipment management, and occasional field support. It is a great opportunity for someone who is organized, detail-oriented, and interested in building a career in environmental health and safety.
WHAT YOU’LL DO- Support Project Managers and consulting staff with day-to-day project and administrative needs.
- Set up and maintain opportunities, proposals, projects, budgets, and project records in Deltek Vision.
- Prepare proposal templates, establish proposal numbers, create project folders, and organize supporting documents.
- Assist with project scopes, report templates, field paperwork, travel arrangements, receipts, and project correspondence.
- Confirm that contracts, authorizations, and purchase orders are signed and properly saved in Deltek and Citadel Connect.
- Retrieve and review field paperwork and subconsultant documents for completeness, following up when information is missing.
- Download and enter data, generate reports, and assist with technical report preparation.
- Coordinate sample pick-up and drop-off with laboratories and arrange field equipment rentals.
- Track IH&S equipment inventory and help ensure equipment is calibrated, maintained, and ready for use.
- Communicate project status, completed tasks, and potential delays to Project Managers in a timely manner.
- Provide occasional office, phone, shipping, delivery, and company-wide health and safety program support.
- Gain exposure to field activities and work toward supporting duties associated with the consulting technician role.
- Bachelor’s degree, or progress toward a degree, preferably in occupational health and safety, industrial hygiene, environmental science, environmental engineering, or a related field.
- Strong organizational and time-management skills with close attention to detail.
- Clear written and verbal communication skills and the ability to follow up professionally with coworkers, clients, laboratories, and vendors.
- Proficiency with Microsoft Office, including Outlook, Word, PowerPoint, and Excel; experience with Deltek Vision is a plus.
- Ability to manage multiple priorities, meet deadlines, and work both independently and as part of a team.
- Interest in industrial hygiene, safety, scientific concepts, and environmental health and safety regulations.
- Reliable transportation and the ability to travel locally throughout Southern California.
- Ability to lift and handle equipment weighing up to 25 pounds independently and up to 50 pounds with assistance.
- Ability to drive for up to two to three hours as needed to support Southern California offices and projects.
- Ability to perform computer-based work for prolonged periods, up to a full shift.
- Ability to perform occasional field support duties with reasonable accommodation, as applicable.
- Project and client files are complete, accurate, current, and easy to navigate.
- Project paperwork, timesheets, mileage logs, and expense reports are submitted accurately and on time.
- Assigned work is completed by deadline, and time-sensitive communications receive a prompt response.
- Project Managers receive regular updates on task status, completion, and unexpected delays.
- You work effectively with team members, clients, laboratories, vendors, and contractors while supporting the team’s safety, quality, productivity, and utilization goals.
Citadel EHS is a market-leading environmental, health, safety, and sustainability consulting firm. We partner with clients to solve complex challenges, achieve regulatory compliance, and improve environmental and workplace performance. This position offers broad exposure to IH&S projects and a strong path for professional growth within the EHS field.
Citadel EHS offers a competitive compensation and benefits package along with opportunities for long-term professional development.
HOW TO APPLYPlease submit your resume to hr@citadelehs.com
EQUAL EMPLOYMENT OPPORTUNITYCitadel EHS is an equal opportunity employer. We provide equal employment opportunities to all employees and applicants and prohibit discrimination and harassment based on any characteristic protected by applicable federal, state, or local law.
CONSULTING SPECIALIST – INDUSTRIAL HYGIENE & SAFETY
San Diego, CA · Industrial Hygiene & Safety · Posted September 2, 2026
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CONSULTING SPECIALIST – INDUSTRIAL HYGIENE & SAFETY
San Diego, CA · Industrial Hygiene & Safety · Posted September 2, 2026
Citadel EHS is seeking a Consulting Specialist to provide on-site industrial hygiene and safety consulting support to a City in San Diego’s North County, with the ability to support additional Citadel clients throughout San Diego, Orange, and Los Angeles Counties, as needed. Working under the direction of a Citadel Project Manager, this role serves as an embedded safety resource for City staff and operations, combining hands-on field work, technical documentation, project coordination, and client communication. The Consulting Specialist works closely with senior staff and Project Managers while building the technical and project-management skills needed for continued growth within the environmental health and safety field.
WHAT YOU’LL DO- Perform health and safety inspections, audits, and hazard identification at City facilities and job sites, including industrial hygiene surveys, air monitoring, and site investigations.
- Serve as an on-site health and safety resource to City staff and field crews.
- Develop, update, and implement written health and safety programs.
- Maintain records and documentation to support City compliance with Cal/OSHA requirements.
- Develop and deliver health and safety training to City staff.
- Attend job walks, progress meetings, and client meetings to help scope projects, maintain strong working relationships, and represent Citadel professionally.
- Review contracts, scopes of work, project specifications, safety plans, and safety data sheets to understand project requirements, schedules, and deliverables.
- Conduct and oversee field activities, provide field quality control, and ensure required field documentation is complete and properly maintained.
- Prepare clear draft reports, conclusions, recommendations, technical documents, presentations, and other project deliverables for peer review.
- Assist with proposals, project budgets, scheduling, project tracking, Deltek updates, and pre-billing activities.
- Coordinate with clients, field staff, subcontractors, laboratories, vendors, and internal team members to keep projects moving on schedule and within budget.
- Track project progress, communicate noteworthy events promptly, and help identify and resolve issues that could affect successful completion.
- Maintain, safeguard, and coordinate the use of field equipment and supplies.
- Support weekend on-call rotations and occasional night or weekend work based on project needs.
- Look for opportunities to provide additional support and services to clients while maintaining Citadel’s standards for safety, quality, and client care.
- Bachelor’s degree or higher in industrial hygiene, occupational health and safety, environmental science, environmental engineering, or a related field.
- Strong written and verbal communication skills, including the ability to prepare technical reports and explain findings to clients, management, and regulators.
- Familiarity with municipal or public agency clients and Cal/OSHA regulations.
- Strong organization, accuracy, follow-through, and attention to detail.
- Ability to carry out work plans, balance multiple assignments, meet deadlines, and work independently or as part of a team.
- Analytical and problem-solving skills, intellectual curiosity, adaptability, and a client-focused approach.
- Proficiency with spreadsheets, Microsoft Office, online collaboration tools, and project-tracking systems; Deltek experience is a plus.
- Ability to maintain required professional certifications and participate in ongoing technical and professional development.
- Valid driver’s license and reliable transportation.
- Ability to pass background screening or obtain clearance required for access to certain client sites.
- Ability to lift and carry at least 20 pounds and safely handle field equipment and supplies.
- Ability to drive locally within San Diego County, including daily travel to North County, with occasional longer drives (up to two to three hours) to reach other client and project locations.
- Ability to perform computer-based work for prolonged periods.
- Ability to perform field inspections and sampling activities and to work occasional nights or weekends, with reasonable accommodation as applicable.
- Work with a wide range of clients and industries on complex environmental health and safety projects.
- Develop technical, analytical, report-writing, client-service, and project-management skills.
- Gain experience with industrial hygiene, workplace safety, regulatory compliance, process improvement, and safety culture.
- Participate in professional associations, industry groups, research, training, and conference presentation development.
- Progress toward greater responsibility for project planning, budgeting, client relationships, and project delivery.
Citadel EHS is a market-leading environmental, health, safety, and sustainability consulting firm. Since 1993, we have partnered with clients to solve complex challenges, achieve regulatory compliance, and improve environmental and workplace performance. We offer competitive compensation and benefits along with opportunities for long-term professional growth.
HOW TO APPLYPlease submit your resume and cover letter to hr@citadelehs.com
EQUAL EMPLOYMENT OPPORTUNITYCitadel EHS is an equal opportunity employer. We provide equal employment opportunities to all employees and applicants and prohibit discrimination and harassment based on any characteristic protected by applicable federal, state, or local law.
Project Manager/Senior-Level Engineer, Geologist or Specialist
Walnut Creek preferred, however will consider other California locations for ideal candidate · Engineering & Environmental Sciences · Posted May 26, 2026
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Project Manager/Senior-Level Engineer, Geologist or Specialist
Walnut Creek preferred, however will consider other California locations for ideal candidate · Engineering & Environmental Sciences · Posted May 26, 2026
Citadel EHS seeks a Senior-level professional engineer, geologist, or specialist to manage Bay Area, and or Southern California environmental characterization and remediation projects. Limited travel throughout California is anticipate. The Candidate should possess significant field experience with assessing and remediating hazardous waste sites; site auditing; mentoring junior staff; client management; and direct interaction with local, state and federal regulatory agencies. We have a diverse portfolio of projects and are looking for experienced candidates to step into project management roles.
The successful candidate will assist the Director with managing projects, serving as the primary client and regulatory contact, and directing staff. The candidate should have well-developed computer skills, as well as written and interpersonal communication skills. Requirements of this position include strong organizational abilities and strict attention to detail; a willingness to travel, work nights and weekends as projects require; good physical health and ability to wear required Personal Protective Equipment; and valid driver’s license and reliable transportation. Ideal candidate will possess 12+ years of progressive experience including managing projects and staff.
About Citadel EHS
Citadel EHS is an employee-owned, Environmental Health, Safety, and Sustainable consulting firm, with offices throughout Southern California. We offer a wide range of services including environmental geology, industrial hygiene services, asbestos and lead surveys and monitoring, safety/training, IR thermography, environmental compliance, air emissions, sustainable practices, and litigation support. We provide services to large institutional clients including the largest companies in the world.
Skills/Qualifications:
1.Knowledge of MS Office, Word, and Excel and excellent written and verbal communication skills are absolutely required.
- BS in Geology, Engineering, Environmental Studies or related and relevant experience; Master’s degree in similar fields is preferable
- Minimum 12 years of related experience
- 40-Hour HAZWOPER Certification
- California registration as a Professional Engineer or Geologist required.
- Significant experience with assessing and managing remediation of hazardous waste sites preparing and managing Site Characterization Work Plans and Reports, Feasibility Studies, Remedial Action Plans, etc.
- Experience with DTSC, RWQCB, and local Bay Area regulatory oversight programs.
- Provide strategies for regulatory negotiations.
Citadel EHS is an equal opportunity employer in business since 1993. Citadel has been recognized by the Los Angeles Business Journal as one of the Best Businesses to work for in Southern California. We offer an excellent salary and benefit package with long-term growth potential.
Consulting Specialist – Industrial Hygiene & Safety – Irvine, CA
Irvine, CA · Industrial Hygiene & Safety · Posted May 20, 2026
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Consulting Specialist – Industrial Hygiene & Safety – Irvine, CA
Irvine, CA · Industrial Hygiene & Safety · Posted May 20, 2026
Citadel is seeking a talented Consulting Specialist to support our growing industrial hygiene and safety (IH&S) practice in the Orange County market. The successful candidate will work from Citadel’s office in Irvine, California.
We are an equal-opportunity, family-oriented firm that takes pride in listening to our clients and partnering with them to provide practical solutions that reduce risk and protect employees. We support a variety of industries including local government, higher education, construction, and life sciences. Come join a consulting firm that puts people first!
Position Summary:
The Consulting Specialist works under the direction of Citadel Project Managers and performs a variety of IH&S consulting projects including assessments, surveys, and investigations. The Consulting Specialist may also serve in a supplemental staff support role, working at a client site as part of their team to fulfill EHS-related responsibilities.
The expected pay range for this position is $30 to $45 per hour. Actual compensation will be based on various factors including skills, experience, and education.
This position reports to a senior staff member in the IH&S department.
Major Duties/Responsibilities:
- Conducts industrial hygiene surveys including air and surface sampling
- Performs moisture/microbial investigations
- Performs safety-related surveys/inspections
- Develops and delivers health and safety trainings
- Writes technical EHS programs and reports
- Provides EHS consulting support at client-site locations
Desired Experience/Qualifications:
- 2-4 years of experience in EHS, preferably in industrial hygiene and/or safety
- Experience in performing EHS-related surveys, assessments, evaluations, and/or investigations
- Experience in basic industrial hygiene sampling techniques such as surface sampling or air sampling for fungal spores
- Experience in using industrial hygiene instruments such as a sound level meter, noise dosimeter, infrared camera, or anemometer
- Experience in writing technical reports
- Experience in any of the following industries: higher education, life sciences, property management, and construction
Desired Team Member Traits:
- Humble – confident in skills and knowledge, but without excessive ego
- Hungry – self-motivated with a strong desire to do more and learn more in the pursuit of excellence
- Smart – interpersonally appropriate and aware with good judgement and intuition around the subtleties of group dynamics and the impact of words and actions on others
Desired Skills:
- Strong verbal and written communication skills
- Ability to provide consulting support in multiple IH&S service areas (e.g., microbial, IAQ, air sampling for contaminants, written program development, training, etc.)
- Ability to use IH instruments such as sound level meter, dosimeters, moisture meter, infrared camera, sampling pumps, etc.
- Ability to work successfully in team-oriented environments and accept feedback on performance
- Ability to support several projects simultaneously
- Proficient with Microsoft Office programs including Excel, Outlook, and Teams
Education Requirements:
- B.S. degree or higher in Public Health, Occupational Health and Safety, Industrial Hygiene, or related science from an accredited school
Position Requirements:
- Must be able to safely lift and carry up to 50 pounds, work some nights and weekends, and pass a background check to obtain security clearance to client sites
- Must be able to safely wear a tight-fitting respirator when required to perform duties assigned to this role, in compliance with health and safety regulations.
- Medical evaluation and fit testing will be provided
- Must have a valid driver’s license, a car, and willingness to travel throughout Southern California
- May occasionally require travel and overnight stays outside of Southern California
Licenses/Certifications:
Candidate working towards CIH and/or CSP is preferred, but not required
Consultant/Project Manager – Industrial Hygiene & Safety
Irvine, Long Beach, Glendale, Valencia, or Walnut Creek · Industrial Hygiene & Safety · Posted May 20, 2026
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Consultant/Project Manager – Industrial Hygiene & Safety
Irvine, Long Beach, Glendale, Valencia, or Walnut Creek · Industrial Hygiene & Safety · Posted May 20, 2026
Citadel is seeking a talented Consultant/Project Manager to support our growing industrial hygiene and safety (IH&S) practice in the California market. The successful candidate could work from any of the following Citadel office locations – Irvine, Long Beach, Glendale, Valencia, or Walnut Creek.
We are an equal-opportunity, family-oriented firm that takes pride in listening to our clients and partnering with them to provide practical solutions that reduce risk and protect employees. We support a variety of industries including higher education, construction, property management, healthcare, pharmaceutical manufacturing, and biotechnology. Come join a consulting firm that puts people first!
Position Summary:
The Consultant/Project Manager engages with clients and prospects directly to understand and solve their challenges leveraging Citadel’s team and resources.
This position requires a mix of performing technical work for clients and developing business through proactive sales efforts. The successful candidate will have a strong history of managing projects and servicing clients.
The Consultant/ Project Manager may manage project work or perform work under the direction of another Citadel Project Manager. The Consultant/Project Manager may also serve in a supplemental staff support role, working at a client site as part of their team to fulfill EHS-related responsibilities.
This position reports to a Citadel Associate Principal in the IH&S department.
Major Duties/Responsibilities:
- Manages and supports IH&S projects
- Conducts sales meetings with existing clients and new prospects
- Develops proposals
- Performs moisture/microbial investigations
- Performs safety-related surveys/inspections
- Develops and delivers health and safety trainings
- Writes technical EHS programs and reports
- Provides EHS consulting support at client-site locations
Desired Experience/Qualifications:
- 5-10 years of experience in EHS, preferably in industrial hygiene and/or safety
- Experience in managing projects
- Experiences in sales preferred, but not required
- Experience in performing EHS-related surveys, assessments, evaluations, and/or investigations
- Experience in basic industrial hygiene sampling techniques such as surface sampling or air sampling for fungal spores
- Experience in using industrial hygiene instruments such as a sound level meter, noise dosimeter, infrared camera, or anemometer
- Experience in writing technical reports
- Experience in any of the following industries: higher education, life sciences, property management, and construction
Skills:
- Strong verbal and written communication skills
- Ability to provide consulting support in multiple IH&S service areas (e.g., microbial, IAQ, air sampling for contaminants, written program development, training, etc.)
- Ability to use IH instruments such as sound level meter, dosimeters, moisture meter, infrared camera, sampling pumps, etc.
- Ability to work successfully in team-oriented environments and accept feedback on performance
- Ability to support several projects simultaneously
- Proficient with Microsoft Office programs including Excel, Outlook, and Teams
Education Requirements:
- B.S. degree or higher in Public Health, Occupational Health and Safety, Industrial Hygiene, or related science from an accredited school
Position Requirements:
- Must be able to lift 25 pounds, work some nights and weekends, and pass a background check to obtain security clearance to client sites
- Must have a valid driver’s license, a car, and willingness to travel throughout Southern California
- May occasionally require travel and overnight stays outside of Southern California
Licenses/Certifications:
- Candidate working towards CIH is preferred, but not required
Northern California – Project Engineer/Geologist/Scientist
Northern California · Engineering & Environmental Sciences · Posted May 2, 2026
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Northern California – Project Engineer/Geologist/Scientist
Northern California · Engineering & Environmental Sciences · Posted May 2, 2026
Citadel Environmental Services, Inc. DBA: Citadel EHS seeks a full-time Project level Engineer/Geologist/Scientist to support upper-level managers, mentor junior staff and manage high-profile Engineering and Environmental Science (EES) related projects, including leading the Phase I Environmental Site Assessment (ESA) team, and conducting subsurface soil, soil gas, groundwater, and vapor intrusion investigations and remediation of same through Site closure. Previous work associated with a wide array of Phase I ESAs, Phase II projects, and remediation techniques is ideal. The person to fill this role has an entrepreneurial outlook on their work, will have successfully managed projects from inception through completion, and prides themselves on their ability to mentor a diverse staff. The EES Group is poised for significant growth and needs to fill certain roles to keep up with this demand. Excellent communication skills are a must have with proven business development success. Ideal candidate will possess a minimum of 5 years of related experience with demonstrated growth in responsibilities.
About Citadel EHS
Citadel EHS is an employee-owned, Environmental Engineering, Health, Safety, and Sustainable consulting firm, with offices throughout Northern and Southern California, Oregon, Washington, and North Carolina. We offer a wide range of services including environmental engineering and remediation, vapor intrusion mitigation programs, environmental compliance, air emissions, sustainable practices, industrial hygiene services, asbestos and lead surveys and monitoring, safety/training, and litigation support. We provide services to large institutional clients including the largest companies in the world.
Skills/Qualifications:
- Bachelor’s degree in engineering, Geology or Environmental Science required.
- Minimum 5 years of providing environmental consulting expertise to a wide range of industry sectors and client demands.
- CA PE in Civil Engineering or CA PG is preferred, or ability to obtain.
- 40-Hour HAZWOPER Certification required.
- Experience with DTSC, RWQCB, and local regulatory oversight programs.
- Management of projects and mentoring of staff and limited business development experience required.
- Proven experience conducting/preparing environmental characterization and remediation programs, including preparation of remedial action plans, and designing and implementing the remediation process.
- Self-Starter and responsiveness are a must.
- Working knowledge of construction management, reading blueprints, proficient with MS Office, Outlook, Word and Excel skills.
- Should possess excellent communication, organizational skills and time management practices
- Limited travel may be required.
Level/Salary Range: $85,000 – $115,000 + bonuses
Equal Opportunity Employer & Inclusion Statement
Citadel EHS is proud to be an equal-opportunity employer. We are committed to a diverse and inclusive workplace where all qualified candidates are considered for employment without regard to race, color, religion, sex (including pregnancy, childbirth, breastfeeding or related medical conditions), gender (including gender identity and gender expression), sexual orientation, national origin, ancestry, age (40 and over), disability (physical, intellectual/developmental or mental health), genetic information, medical condition, military or veteran status, marital status, family care or medical leave status, reproductive health decision-making, hair texture or hairstyle (including natural hairstyles), citizenship or immigration status, or any other characteristic protected by federal, state or local law.
We actively strive to create a workplace that fosters belonging, recognizes different perspectives and experiences, and supports the full development of every team member. If you need any accommodation during the application or hiring process, please let us know.
Building Sciences Field Representative
Southern California · Building Sciences · Posted April 1, 2026
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Building Sciences Field Representative
Southern California · Building Sciences · Posted April 1, 2026
Are you a razor-sharp professional seeking a new opportunity to work with a wide array of clients for their environmental consulting needs? Are you a great communicator with an eye to detail? Do you like the small company feel but the big company results and capabilities? Then Citadel EHS might have the perfect career opportunity for you!
The Position:
Citadel EHS seeks a Full-Time Field Representative to support our growing Building Sciences practices in southern California. Candidate will provide technical services such as physical surveys, visual inspections, air monitoring, sample analysis, and site investigations to support Client programs. Ideal candidate will possess project oversight and Environmentally Regulated Materials (ERMs) survey experience in the commercial, health care, educational, and retail environments. California asbestos and lead certification is required. Candidate must possess strong written and oral skills and be self-motivated. He/She will also be a high-energy, people person, with a desire to grow and develop professionally. Citadel presents a wonderful opportunity for those who may be exploring a career in EHS.
About Citadel EHS
Citadel EHS is an employee-owned, Environmental Health, Safety, and Sustainability consulting firm, with offices throughout Southern California. We offer a wide range of services including engineering and environmental surveys, environmental compliance, air emissions, sustainable practices, industrial hygiene services (IH assessments, indoor air quality assessments and microbial growth investigations), asbestos and lead surveys and monitoring, safety/training, ESG services, staff outsourcing, and litigation support. We provide services to large institutional clients including the largest companies in the world.
If you are interested in this job posting, or any job posting you see on our website’s career postings (https://citadelehs.com/jobs/), please send your resume to: Shannon Mateik at smateik@citadelehs.com.
Skills/Qualifications:
- Minimum 2 years of related experience required.
- Certification as a California Site Surveillance Technician is required. NIOSH 582 and CDPH Lead certifications are preferred.
- Self-starter and responsiveness is a must.
- M S Office, Outlook, Word, and Excel skills are preferred.
- Should possess good communication, organizational skills, and time management practices.
- PHYSICAL DEMANDS AND ENVIRONMENTAL CONDITIONS
- Crouching / stooping: prolonged periods
- Required to wear a variety of personal protection equipment as required including but not limited to Tyvek suits and respiratory protection
- Limited overnight travel is required.
Citadel EHS provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Citadel has been recognized by the Los Angeles Business Journal as one of the Best Businesses to work for in Los Angeles County. We offer an excellent salary and benefit package with long-term growth potential.
Project Assistant – Building Sciences (Full-Time)
Long Beach, CA · Building Sciences · Posted March 30, 2026
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Project Assistant – Building Sciences (Full-Time)
Long Beach, CA · Building Sciences · Posted March 30, 2026
Location: Long Beach, CA (with occasional travel)
Compensation
This position offers a pay range of $20–$25/hour, depending on experience and qualifications.
At Citadel EHS, we’re always looking for great people who want to grow with us, people who take pride in their work, support their team, and are always looking for ways to improve. We’re seeking a motivated, detail-oriented Project Assistant to support our Building Sciences team. This is a full-time, entry-level opportunity for someone who is organized, proactive, and eager to build their career in a fast-paced consulting environment.
This role is a great fit for someone who enjoys staying busy, takes initiative without needing to be asked, and approaches their work with a team-first mindset. You’re someone who communicates thoughtfully, follows through on commitments, and is willing to step in wherever needed to help the team succeed. You’re curious, open to feedback, and motivated to continue learning and developing over time.
About the Role
The Project Assistant plays a key role in supporting Project Managers and field teams by coordinating administrative and project-related tasks. This position is highly visible internally and externally and requires professionalism, strong communication skills, and the ability to manage multiple priorities.
You’ll be involved in everything from proposal coordination and project setup to client communication and report organization, making you an essential part of keeping projects running smoothly.
What You’ll Do
- Serve as a point of contact for clients, vendors, and internal teams
- Assist with proposal preparation and project setup
- Enter and maintain project data in internal systems (e.g., Deltek Vision)
- Prepare reports, templates, and documentation for project teams
- Track project budgets, receipts, and status updates
- Coordinate project logistics (including scheduling, shipping, and sample handling)
- Organize and maintain electronic and hard copy project files
- Support Project Managers, Practice Leads, and operations staff
- Assist with weekly project tracking and status meetings
- Ensure all project documentation is complete, accurate, and properly filed
What We’re Looking For
- High school diploma required; college degree preferred (Environmental Science, Industrial Hygiene, Engineering, or related field is a plus)
- 1–2+ years of experience in an administrative or professional office setting (preferred)
- Strong organizational skills and attention to detail
- Ability to manage multiple tasks and meet deadlines
- Excellent written and verbal communication skills
- Proficiency in Microsoft Office (Word, Excel, Outlook)
- Comfortable working in a fast-paced, team-oriented environment
- Self-starter with a proactive and problem-solving mindset
Why Join Citadel
At Citadel, we invest in our people because we want them to succeed. We’re a collaborative team that values professionalism, growth, and strong client service. Whether you’re just starting your career or looking to build on your experience, you’ll have opportunities to learn, contribute, and grow within the company.
We offer:
- Competitive compensation
- Comprehensive benefits package
- Professional development and training opportunities
- A supportive, team-driven culture
- Exposure to a wide range of environmental and consulting projects
Equal Opportunity Employer
Citadel EHS is an Equal Opportunity Employer and considers all qualified applicants without regard to any protected characteristic under federal, state, or local law.
In accordance with California law, we will consider qualified applicants with criminal histories consistent with the California Fair Chance Act.
How to Apply
Please submit your resume to jobs@citadelehs.com
San Diego/Irvine – Consulting Technician – Industrial Hygiene & Safety
San Diego/Irvine · Industrial Hygiene & Safety · Posted March 26, 2026
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San Diego/Irvine – Consulting Technician – Industrial Hygiene & Safety
San Diego/Irvine · Industrial Hygiene & Safety · Posted March 26, 2026
Citadel EHS is seeking a talented Consulting Technician to support our growing industrial hygiene and safety (IH&S) practice in the San Diego market. The successful candidate will work from Citadel’s office in San Diego or Irvine, California.
We are an equal-opportunity, family-oriented firm that takes pride in listening to our clients and partnering with them to provide practical solutions that reduce risk and protect employees. We support a variety of industries including local government, higher education, real estate, construction, and life sciences. Come join a consulting firm that puts people first!
Position Summary:
The Consulting Technician works under the direction of Citadel Project Managers and performs a variety of IH&S consulting projects including moisture/microbial investigations, industrial hygiene assessments, and safety inspections. The Consulting Technician may also serve in a supplemental staff support role, working at a client site as part of their team to fulfill EHS responsibilities. The type of work to be performed by this role will vary based on the needs of our clients. However, it is reasonable to expect a mix of work at client site locations and office-based work on a weekly basis.
This position reports to a senior staff member in the IH&S department.
Major Duties/Responsibilities:
- Performs moisture/microbial investigations
- Conducts industrial hygiene surveys including air and surface sampling
- Performs safety-related surveys/inspections
- Develops and delivers health and safety trainings
- Writes technical EHS programs and reports
- Provides EHS consulting support at client-site locations
Desired Experience/Qualifications:
- 0-3 years of experience in EHS, preferably in industrial hygiene and/or safety
- Experience in performing EHS-related surveys, assessments, evaluations, and/or investigations
- Experience in basic industrial hygiene sampling techniques such as surface or air sampling for fungal spores
- Experience in using industrial hygiene instruments such as a sound level meter, sampling pump, noise dosimeter, or infrared camera
- Experience in writing technical reports
- Experience in any of the following industries: higher education, life sciences, real estate, and construction
Desired Team Member Traits:
- Humble – confident in skills and knowledge, but without excessive ego
- Hungry – self-motivated with a strong desire to do more and learn more in the pursuit of excellence
- Smart – interpersonally appropriate and aware with good judgement and intuition around the subtleties of group dynamics and the impact of words and actions on others
Desired Skills:
- Strong verbal and written communication skills
- Ability to provide consulting support in multiple IH&S service areas (e.g., microbial, IAQ, air sampling for contaminants, written program development, training, etc.)
- Ability to use IH instruments such as sound level meter, dosimeters, moisture meter, infrared camera, sampling pumps, etc.
- Ability to work successfully in team-oriented environments and accept feedback on performance
- Ability to support several projects simultaneously
- Proficiency with AI and Microsoft Office programs including Excel, Word, Outlook, and Teams
Education Requirements:
- B.S. degree or higher in Public Health, Occupational Health and Safety, Industrial Hygiene, or related science from an accredited school
Position Requirements:
- Must be able to safely lift and carry up to 50 pounds, work some nights and weekends, and pass a background check to obtain security clearance to client sites
- Must be able to safely wear a tight-fitting respirator when required to perform duties assigned to this role, in compliance with health and safety regulations.
- Medical evaluation and fit testing will be provided
- Must have a valid driver’s license, a car, and willingness to travel throughout Southern California
- May occasionally require travel and overnight stays outside of Southern California
Licenses/Certifications:
- Candidate working towards CIH and/or CSP is preferred, but not required
Compensation and Benefits:
The expected pay range for this position is $27 to $37 per hour. Citadel also has an attractive bonus program, 401k match opportunity, and 100% Citadel-paid Vision, LTD and dental insurance option for the employee. We will contribute $760 towards your medical plan for employee only.
Actual compensation will be based on various factors including skills, experience, and education.
Northern California – Staff-level Environmental Engineer, Geologist, or Specialist
Northern California - Walnut Creek or Grass Valley · Engineering & Environmental Sciences · Posted February 4, 2026
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Northern California – Staff-level Environmental Engineer, Geologist, or Specialist
Northern California - Walnut Creek or Grass Valley · Engineering & Environmental Sciences · Posted February 4, 2026
Citadel EHS seeks a staff-level environmental engineer, geologist, or scientist to assist with a diverse set of projects from a growing client base. The successful candidate is expected to work in Citadel’s Walnut Creek Office but will be considered for our Grass Valley office. Travel throughout California or Western US should be anticipated. The Candidate should possess some experience conducting and writing Phase I Environmental Site Assessments and Phase II Environmental Investigations reports, performing tasks related to the collection of soil, soil vapor, and groundwater samples, operating and maintaining soil and groundwater sampling and monitoring equipment, supporting the project manager with preparing and managing a variety of work reports and plans including Work Plans, Soil Management Plans, Health and Safety Plans, Risk-Based Assessments, Conceptual Site Models and other similar documents.
The Candidate should have well-developed computer skills, as well as written and interpersonal communication skills. Requirements of this position include strong organizational abilities and strict attention to detail; Willingness to travel, work limited nights and weekends as projects require; climb ladders, carry equipment, manage, and oversee construction sites; and be able to wear required Personal Protective Equipment, including respirators; a valid driver’s license and reliable transportation. The ideal candidate will possess two to four years of progressive experience, with some work-from-home flexibility.
About Citadel EHS
Citadel EHS is an employee-owned, Environmental Health, Safety, and Sustainability consulting firm, with offices throughout California, North California, Washington, Oregon and North Carolina. We offer a wide range of services including engineering and environmental services, industrial hygiene services (IH assessments, indoor air quality assessments, and microbial growth investigations), asbestos and lead surveys and monitoring, safety/training, IR thermography, environmental compliance, air emissions, sustainable practices, energy audits, staff outsourcing, and litigation support. We provide services to large institutional clients including the largest companies in the world.
Skills/Qualifications:
- BS in Geology, Engineering, Environmental Studies, or related disciplines and/or relevant experience;
- Minimum two years of related experience;
- Direct experience performing Phase I ESA Site Walks and writing Phase I reports (required);
- 40-Hour HAZWOPER Certification desired;
- Current holder of an EiT or GiT certificate, or ability to obtain within one year of employment desired;
- On track for licensure as a Professional Engineer, Geologist, Hazardous Materials Manager, or other relevant professional certification;
- Meets the definition of “Environmental Professional” under AAI;
- Self-starter and responsiveness is a must;
- Working knowledge of construction management, reading, and working from blueprints (desired); MS Office, Word, and Excel and excellent written and verbal communication skills are required;
- You should possess good organizational skills and time management practices;
- Limited travel including overnight stays may be required.
Level/Salary Range:
$30/hr. -$39/hr. + Bonuses
Citadel EHS provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
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