Scientific Technologist

Company Description

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.

Job Description

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 will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.

This position requires full-time on-site presence due to the nature of the work.

You will

• 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 job 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.

Qualifications

• 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.

Qualifications We Desire

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

Pay Range: $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 several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Additional Information

#LI-Onsite

Position Information

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

Why Lawrence Livermore National Laboratory?

• 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

Security Clearance

This position requires a Department of Energy (DOE) Q-level clearance. If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also, all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship.

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

Pre-Placement Medical Exam

A job related pre-placement medical examination may be required.

How to identify fake job advertisements

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Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.

California Privacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

Organization: ESH and QualityCategory: Environmental, Safety & HealthJob Code 2: 502.3 Sr Scientific TechnologistEmployee Referral Bonus: Not applicableJob Code 1: 502.2 Scientific TechnologistPre-Employment Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana)Pre-Placement Medical Exam: A job-related pre-placement medical examination may be requiredPosition Type: Flexible TermSecurity Clearance: Anticipated DOE Q clearance (requires U.S. citizenship and a federal background investigation)