Certified Industrial Hygienist Jobs
Certified Industrial Hygienist jobs are open across manufacturing, construction, oil and gas, healthcare, and government, from entry-level staff hygienist to senior director, with specializations in chemical exposure, occupational health program management, and environmental compliance. Find a role that fits from the openings below and apply directly.
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INTRODUCTION
At Air Products, we reimagine what’s possible. By tapping into the motivation of our people and our collective experience, we create the ideas and innovations that drive us forward. When we come together – where every voice is heard and everyone knows they belong and matter – we create solutions that launch people into space, support lifesaving care in hospitals, and enable the construction of groundbreaking, world scale production facilities.
Reimagine What’s Possible
Air Products and Chemicals, Inc. (NYSE:APD), a Fortune 500 manufacturer of industrial gases, has an immediate opportunity for an Industrial Hygienist to be hybrid based in either Houston, TX, Phoenix, AZ or Allentown, PA.
The Industrial Hygienist reports to the Americas Industrial Hygiene Manager and provides direct field support and program expertise to facilities in North America. The Industrial Hygienist supports all company operations including industrial gas and chemical manufacturing facilities, customer service and equipment maintenance organizations, transportation, R&D, and office settings.
The fundamental objective of this position is to maintain healthful working environments through the anticipation, recognition, evaluation, and control of occupational health risks. The successful Industrial Hygienist must be self-motivated and comfortable working independently to influence and drive results in a large, matrixed company and a dynamic work environment.
What's In It for You:
At Air Products we foster a culture of inclusion where every voice is heard, and everyone feels they belong and matter. Additionally, we offer competitive pay and great benefits for our employees. Check out some of our benefits below!
- Affordable Medical, Dental and Vision Insurance (day 1 of employment)
- 401k with 100% vested company core and match
- Paid Vacation, holidays + sick time
- Paid Parental leave (Up to 8 weeks)
- Backup Child and Adult Care benefit
- Adoption assistance
- Flexible spending accounts (medical, dependent daycare)
- Life Insurance (AD&D- Paid for by Air Products), Supplemental AD&D
- Legal Plan & Identity theft coverage
- EAP (Employee Assistance Program)
- Many more supplemental benefits available
BASIC QUALIFICATIONS
- Demonstrated leadership and interpersonal skills.
- Ability to communicate effectively, verbally and written in English. Ability to communicate complex, technical material in a concise manner.
- Fluency in Spanish is preferred but is not required.
- Strong commitment to employee involvement, team building, diversity & inclusion.
- Ability to work independently with demonstrated skills in time and project management.
- Subject matter expertise in U.S. regulations and polices from OSHA, MSHA, CGA, etc.
- Training and experience in incident investigation (Cause and Effects Analysis).
- Continuous Improvement (CI) facilitator training a plus (Cause and Effects, Mistake-proofing, Mapping, etc.).
- Microsoft Office Suite proficiency (Word, Excel, PowerPoint).
KEY JOB RESPONSIBILITIES
- Mentor and support plant leaders on Industrial Hygiene and Ergonomics topics.
- Develop appropriate strategies for quantitative workplace assessment including frequency, duration, location, and sampling technology to accurately evaluate worker exposure to airborne stressors, radiation, heat stress, and biological agents.
- Perform chemical air sampling, noise dosimetry, sound level mapping, physical and biological hazard assessments.
- Conduct Industrial Hygiene and Ergonomic risk assessments in a manner consistent with Company standards and procedures.
- Develop ergonomic risk assessment strategies including task assessment prioritization, industrial and office ergonomic evaluations, and selection and prioritization of control measures.
- Prescribe control methodologies using material substitution, process modification, ventilation, personal protective equipment and/or changes in work practices.
- Develop and deliver industrial hygiene training programs.
- Develop and implement Company occupational health standards.
- Consult with managers and regulatory officials regarding findings and remediation.
- Data analysis in support of the stated objectives including exposure data evaluations and injury statistics and trending.
- Provide industrial hygiene expertise as needed in the course of risk assessments, facility EH&S audits, and government inspections.
- Participate constructively in activities of professional organizations, peer companies, and regulatory groups to promote understanding, assessment, and control of hazards and advance the industrial hygiene profession.
Physical Requirements
Must be able to fulfill all physical demands listed:
- Ability to ascend and descend ladders, scaffolds, ramps, and stairs; walk safely on uneven terrain.
- Wear PPE for up to a full workday in industrial environments including safety shoes, hardhat, safety glasses, hearing protection, and FR clothing.
- Ability to work most of the day on your feet and work in cold and hot environments.
- Lift and carry up to 50 lbs. and occasionally lift IH equipment.
- Hear and react to vehicle backup alarms, warning alarms and sirens and ability to respond quickly to sounds.
- See and respond to dangerous situations.
MINIMUM HIRING REQUIREMENTS
- 2-10 years' experience in an Industrial Hygiene role is required.
- Industrial gas or chemical industry experience is preferred but is not required.
- A bachelor’s degree in Industrial Hygiene or a related technical field is required.
- A Master’s degree in IH, public health or a related field is preferred but is not required.
- Certification by BGC/ABIH in the comprehensive practice of industrial hygiene as a CIH, or Certified Industrial Hygienist is preferred but is not required however, the candidate will be expected to be on the path to IH certification.
- Ability and flexibility to travel domestically outside home state, expected travel is 40% to 50%. Some international travel may be required.
- Must maintain a valid driver’s license, a clean driving record, and the ability to access and safely operate a reliable personal vehicle on an ongoing basis.
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Join Air Products, where we proudly value the skills, dedication, and leadership that Veterans bring to the table. As a Veteran-friendly organization, we actively encourage and welcome Veterans to apply for various roles within our company. We recognize the unique strengths and experiences that Veterans contribute, and we foster a workplace that honors your service while providing a platform for professional growth.
Founded in 1940, Air Products is a world-leading industrial gases company and has a proud history of innovation, operational excellence, with an unwavering commitment to safety and environmental stewardship. Working together, we are taking our passion and diverse backgrounds forward to reimagine what’s possible and generate a cleaner future for our customers, our communities, and the world.
We are an Equal Opportunity Employer (U.S.). You will receive consideration for employment without regard to race, color, religion, national origin, age, citizenship, gender, marital status, pregnancy, sexual orientation, gender identity and expression, disability, or veteran status.
Air Products is committed to working with and providing a reasonable accommodation to individuals with disabilities. If you have a disability and you believe you need a reasonable accommodation to search for a job opening or to submit an online application, please e-mail us at talent@airproducts.com. General application status inquiries are not answered by this mailbox rather you’ll receive an e-mail directly from our Career Center and/or the Talent Acquisition Specialist.
Certified Industrial Hygienist Jobs by Experience Level
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Who's Hiring


Top Industries Hiring
- Consulting & Professional Services11
- Healthcare & Medical Services3
- Automotive2
- Chemicals & Materials2
- Aerospace & Defense1
What Employers Look For
The qualifications that appear most often in certified industrial hygienist jobs.
- Active Certified Industrial Hygienist (CIH) credential from the American Board of Industrial Hygiene
- Proficiency in industrial hygiene sampling methods including air, noise, and biological monitoring
- Working knowledge of OSHA General Industry and Construction standards
- Experience writing exposure assessment reports and recommending engineering or administrative controls
- Familiarity with industrial hygiene software for data logging, sampling records, and reporting
- Bachelor's degree in industrial hygiene, occupational health, environmental science, or a related field
Tips for Your Certified Industrial Hygienist Job Search
Lead your resume with CIH credentials
Put your CIH certification from the American Board of Industrial Hygiene in the header, not buried in a credentials section. Hiring managers in manufacturing and chemical industries filter for it immediately, and applicant tracking systems often flag it as a required keyword.
Quantify exposure assessments and compliance outcomes
Describe how many workers you covered, which OSHA standards you brought sites into compliance with, and what sampling results looked like before and after your interventions. Vague claims about 'managing programs' won't differentiate you from candidates with similar backgrounds.
Target postings that match your industry sector
CIH roles in petrochemical plants, hospital systems, and federal agencies each call for different regulatory knowledge. Filter your search by sector so your cover letter can speak directly to the hazard profile and compliance framework that employer actually faces.
Apply early to roles that fit
Migrate Mate lists certified industrial hygienist openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Prepare case-based answers for technical interviews
Interviewers in this field routinely ask you to walk through a real sampling strategy, explain how you'd evaluate a noise overexposure complaint, or interpret air monitoring data. Rehearse two or three actual projects so your answers are concrete rather than procedural.
Negotiate scope before accepting an offer
Ask specifically about the number of sites you'll cover, travel expectations, and whether you'll have budget authority for controls and PPE. CIH roles vary widely in autonomy, and understanding your actual decision-making scope matters as much as title or compensation.
Certified Industrial Hygienist Jobs: Frequently Asked Questions
Which companies are hiring the most certified industrial hygienists?
The companies hiring the most certified industrial hygienists right now include Terracon Consultants, US Department of Veterans Affairs, and The Vertex Companies, with the largest share of openings in California, Texas, and Georgia, based on current listings on Migrate Mate as of August 2026. Large industrial operations, federal contractors, and hospital systems consistently account for a significant portion of demand.
How many certified industrial hygienist jobs are remote?
About 18% of certified industrial hygienist openings are fully remote or hybrid as of August 2026, reflecting the hands-on, site-based nature of most roles. Program management, policy development, and consulting oversight positions are the most likely to offer remote or hybrid schedules, while field hygienist and plant-based roles remain largely on-site.
How do you become a certified industrial hygienist?
You earn the CIH credential by completing a qualifying bachelor's degree in industrial hygiene or a related science, accumulating the required years of professional practice in the field, and passing the comprehensive CIH examination administered by the American Board of Industrial Hygiene. After certification, you maintain it through continuing education credits earned over each recertification cycle.
Can I get hired as a certified industrial hygienist with limited experience?
Entry-level industrial hygienist roles exist specifically for candidates who are working toward their CIH or who recently passed the exam. Internships completed during a degree program, co-op experience at manufacturing or construction sites, and coursework in sampling methodology all strengthen early applications. Government agencies, environmental consulting firms, and large industrial employers are the most consistent sources of junior openings.
What does the certified industrial hygienist interview process look like?
Most hiring processes include an initial screening with HR, followed by a technical interview with an EHS manager or senior hygienist where you'll be asked to walk through sampling strategies, interpret monitoring data, and discuss how you've handled regulatory citations or employee complaints. A final round may involve a site walkthrough, a practical exercise, or a presentation on how you'd structure a program for their specific hazard profile.
Where can I find and apply to certified industrial hygienist jobs?
You can find and apply to certified industrial hygienist jobs on Migrate Mate, which lists current openings from employers across the United States. Search the listings to find roles that match your experience, sector preference, and location, then apply directly to each one that fits.
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