Industrial Hygiene Compliance Investigator (In-Training) - WA Department of Labor & Industries (Job)

Location: King County, WA

Full-time Position

Closing Date: November 10, 2025

Degree Level(s): BS

Salary Range: $49,428.00 - $108,780.00

Posted: October 30, 2025

Description:

At the Department of Labor and Industries (L&I), our Division of Occupational Safety and Health (DOSH)is on a mission to keep Washington’s workers safe and healthy. 

Every day, our Compliance Industrial Safety and Health Investigators (CISHIs) play a vital role in this mission by visiting workplaces, evaluating conditions, and ensuring employers follow safety and health laws designed to prevent workplace injuries, illnesses, and fatalities. When violations occur, our investigators take enforcement action to hold employers accountable and promote lasting improvements in workplace safety.

Some of what you’ll do:

    • Conduct industrial hygiene investigations at a wide range of worksites from manufacturing and food processing plants to public agencies.
    • Identify, measure, and evaluate worker exposures to airborne contaminants, hazardous chemicals, noise, and other environmental factors.
    • Collect and analyze samples using state-of-the-art monitoring instruments and industrial hygiene techniques.
    • Investigate workplace accidents, illnesses, and fatalities involving chemical or physical exposures determining root causes and recommending preventive measures.
    • Prepare detailed, defensible technical reports and communicate findings to employers, employees, and legal representatives.
    • Ensure compliance with WISHA health standards and follow up on abatement actions to verify hazards are corrected.
    • Collaborate with experts and legal teams on complex enforcement cases and testify as needed.
    • Mentor newer investigators as you gain experience by sharing your knowledge and expertise in industrial hygiene principles and field practices.
    • And much more!

Skills/Eligibility:

What we are looking for:
  • A desire to ensure worker safety through enforcement.
  • Strong written, verbal, and interpersonal communication skills.
  • Able to work with difficult clients or customers.
  • Knowledge of safety and health rules and regulations, the Washington Industrial Safety and Health Act (WISHA) and Occupational Safety and Health Act (OSHA). 

REQUIRED:

  • A valid and unrestricted driver license. 

AND one of the following:

CISHI1-IH:

  • One year of professional industrial hygiene practice after graduation. A Master’s degree in industrial hygiene will substitute for one year of professional experience in industrial hygiene or similar

AND

  • Graduation from a regionally accredited college or university with one of the following: A bachelor’s degree in industrial hygiene, public health, environmental sciences, biology, chemistry, physics, or engineering (You must also attach your unofficial transcript to your application)
    OR
  • Any other bachelor’s degree program that contains at least 60 semester hours of creditable subjects, with at least 15 of those hours at the upper level (junior, senior, or graduate level). Creditable subjects are undergraduate or graduate level courses in science, mathematics, engineering, and science-based technology. (You must also attach your unofficial transcript to your application)

CISHI2-IH:

  • Three years of professional industrial hygiene practice after graduation. A Master’s degree in industrial hygiene will substitute for one year of professional experience in industrial hygiene or similar

AND

  • Graduation from a regionally accredited college or university with one of the following: A bachelor’s degree in industrial hygiene, public health, environmental sciences, biology, chemistry, physics, or engineering (You must also attach your unofficial transcript to your application)
    OR
  • Any other bachelor’s degree program that contains at least 60 semester hours of creditable subjects, with at least 15 of those hours at the upper level (junior, senior, or graduate level). Creditable subjects are undergraduate or graduate level courses in science, mathematics, engineering, and science-based technology. (You must also attach your unofficial transcript to your application)

CISHI3-IH:

  • Five years of professional industrial hygiene practice after graduation. A Master’s degree in industrial hygiene will substitute for one year of professional experience in industrial hygiene or similar

AND

  • Graduation from a regionally accredited college or university with one of the following: A bachelor’s degree in industrial hygiene, public health, environmental sciences, biology, chemistry, physics, or engineering (You must also attach your unofficial transcript to your application)
    OR
  • Any other bachelor’s degree program that contains at least 60 semester hours of creditable su

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