Systems Engineer

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.

We have an opening for a Systems Engineer in the Technical Services Department (TSD) within the Environment, Safety and Health (ES&H) Directorate. As a Systems Engineer you will support radioanalytical laboratories and radiation exposure dosimetry groups to demonstrate comprehensive compliance with radiation protection standards.

This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization.

You will

• Leverage nuclear engineering domain knowledge to develop, enhance and maintain laboratory codes to monitor radiation exposure for LLNL workers.
• Ensure analytical results, dose evaluations/assessments, and reports are of the highest accuracy and quality.
• Collaborate with IT support personnel in the development, upgrade, and maintenance of the personnel dosimetry databases and their applications.
• Provide technical assistance to TSD and other ES&H divisions in addressing internal and external dosimetry issues.
• Conduct studies and prepare reports on relevant technical issues.
• Develop codes and tools to automate the processing, analysis, and archival of dosimetry data.
• Explore a variety of approaches within established practices and procedures and recommend and implement improvements or new processes as appropriate.
• Follow defined policies and practices in selecting methods, techniques, and evaluation criteria for obtaining results, based on in depth analysis of multiple identifiable factors.
• Work with dosimetry technical specialist to prepare, review, and submit reports.
• Perform other duties as assigned.

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Bachelor’s degree in nuclear engineering, radiation protection, a related science, engineering, or related technical field or the equivalent combination of education and related experience.
• Comprehensive technical understanding of external dosimetry including universal nuclear accident dosimeters.
• Practical experience and/or working knowledge in one or more of the following: radiation detection/counting instrumentation, statistical evaluation, Thermo-luminescent dosimeter (TLD) processing including ability to analyze information to determine proper methods and techniques.
• Experience working with teams developing and deploying high quality software products; specifically, gathering requirements, implementing software, debugging and remediating issues, coupled with prior coding and/or automation experience.
• Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and to present and communicate technical information to technical staff and management.
• Effective organizational skills with attention to detail necessary to handle multiple moderately complex tasks in a demanding environment with conflicting priorities, tight and changing deadlines, and frequent interruptions while providing high-level customer service and good follow through.
• Experience working independently and in a team environment with a broad cross-section of people and organizations, and meeting schedules.

Qualifications We Desire

• Master’s degree in a related field.
• Understanding of applicable Federal regulations including 10 CFR 835.
• Experience with the Department of Energy Laboratory Accreditation Program (DOELAP) process for internal or external dosimetry systems.
• Experience working in a research and development environment (e.g., DOE National Laboratory) with a broad range of radiation types, exposure geometries, and dose rates.
• Broad experience with programming languages, data management systems, SQL, Oracle server databases and creating SQL Queries.

Pay Range

$129,150- $163,764 Annually

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage.  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.

#LI-Hybrid

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

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

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.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

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. 

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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.