Scientific Technologist

Join us and make your mark on the world! Lawrence Livermore National Laboratory (LLNL) advances science and technology to strengthen U.S. security and promote global stability. Our mission spans nuclear deterrence, threat preparedness, energy security, and multi-domain defense, empowering teams to tackle today’s and tomorrow’s toughest challenges. With a culture built on innovation and operational excellence, LLNL is where your expertise can drive real impact.

About the role

We have an opening for a Scientific Technologist in Environment, Safety & Health’s Technical Services Department. In this role, you will provide general technical support and solve moderately complex technical problems for respiratory protection and industrial hygiene instruments and equipment. This position may be filled at either level based on knowledge and related experience. Additional responsibilities will apply if hired at the higher level. Full-time on-site presence is required due to the nature of the work.

Responsibilities

• Operate, maintain, inspect, and functionally test respiratory protection and industrial hygiene instruments and equipment, providing feedback to improve procedures and equipment reliability.
• Provide in-person respirator fit testing and practical training on donning, doffing, inspection, use, limitations, cleaning, storage, and emergency procedures.
• Evaluate user knowledge and proficiency, identify fit-testing deficiencies, and recommend corrective actions.
• Follow technical work instructions, written policies, and approved procedures while performing respiratory protection and industrial hygiene activities in laboratory and field environments.
• Maintain working knowledge of approved respiratory protection equipment and industrial hygiene instruments to provide knowledgeable customer service and technical assistance to LLNL employees.
• Procure respiratory protection supplies and equipment while following strict QA/QC guidelines and inventory-control requirements.
• Track, manage, and monitor equipment, supplies, inspection status, and inventory through inventory-management databases.
• Record, review, and report training, fit-testing, equipment, and industrial hygiene data. Identify strengths, deficiencies, and corrective actions related to testing data, equipment condition, user performance, and program implementation.
• Perform other duties as assigned.

Additional Responsibilities at the 502.3 Level

• Maintain regular communication with technical personnel across programs, facilities, and divisions, with occasional coordination with external organizations.
• Perform Grade D breathing-air quality sampling from compressed breathing-air systems, where errors may have moderate programmatic and significant safety consequences.
• Operate mechanical, vacuum, and instrumentation systems on a regular basis.
• Assume technical authority and associated responsibilities when delegated.

Requirements

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Associate degree in occupational safety, industrial hygiene, or a related ES&H field, or an equivalent combination of education and relevant experience.
• Demonstrated technical knowledge of respiratory protection equipment, including respirators, SCBA units, supplied-air systems, and fit-testing instruments.
• Knowledge of pressurized systems and their application in a health and safety environment.
• Knowledge of ES&H regulations, respiratory protection practices, and QA/QC requirements.
• Ability to interpret technical procedures, analyze test results, maintain accurate records, and work independently or as part of a team.
• Strong interpersonal, verbal, and written communication skills when working with professional, technical, and operational personnel.
• Ability to perform frequent bending and stooping, apply forceful gripping or pressing with the hands and arms, and carry equipment weighing up to 30 pounds.

Additional Qualifications at the 502.3 Level

• Bachelor’s degree in occupational safety, industrial hygiene, or a related environment, safety, and health field, or an equivalent combination of education and relevant experience.
• Experience using respiratory protection equipment and/or delivering in-person training on its proper use.
• Experience operating and/or calibrating industrial hygiene instrumentation.
• Ability to conduct field reviews and provide clear, written feedback on technical work procedures.
• Proficiency using laboratory inventory management, work control, and document management systems.

Skills We Desire

• Experience operating compressed-air equipment at pressures up to 6,000 psig.

Pay

$43.55 - $63.97 hourly
$43.55 - $53.36 hourly for the 502.2 level
$52.23 - $63.97 hourly for the 502.3 level
This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee’s position within the salary range will be based on factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Schedule

This is a Flexible Term appointment, which is for a definite period not to exceed six years. If the final candidate is a Career Indefinite employee, Career Indefinite status may be maintained (should funding allow).

Benefits

• Included in 2026 Best Places to Work by Glassdoor
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)

Our values - visit https://www.llnl.gov/inclusion/our-values