Jobs in the United States

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Added 7 mins ago
LN
CEI Inspector II
Luster National
Atlanta, GA
- $52,000 to $73,000 USD / year
May perform project engineering duties in lieu of the Project Engineer on smaller construction projects.
Added 59 mins ago
PI
Process Equipment Engineer
Pfizer Inc
CT
- $99,200 to $165,400 USD / year
We are seeking a Process Equipment Engineer to join the CRD Manufacturing team in Groton, CT. The Process Equipment Engineer will be involved in the design, development and deployment of…
Added 1 hour ago
EG
Senior Data Engineer
Eliassen Group
Montpelier, VT
- $101,000 to $161,800 USD / year
Our client seeks a Senior Data Engineer to own the governed transformation layer end-to-end. The role will design and build Snowflake transformation layers, migrate legacy SQL views and…
Added 1 hour ago
Senior Applied AI Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Applied AI Engineer based in the United States.
Added 1 hour ago
EG
Senior Data Engineer
Eliassen Group
Dover, DE
- $101,000 to $161,800 USD / year
Our client seeks a Senior Data Engineer to own the governed transformation layer end-to-end. The role will design and build Snowflake transformation layers, migrate legacy SQL views and…
Added 2 hours ago
CHIEF ENGINEER (DCAMM)
Department of Administration
United States
…thorough knowledge of the principles and practices of construction project management; a thorough knowledge of building construction codes, construction costs, materials, and appropriate…
Added 2 hours ago
Software Engineer II Low Level Embedded Software
BAE Systems
Merrimack, NH
We are looking for a talented early career software engineer to support analyzing, developing, and coding complex software for embedded system development. You will be an integrated team…
Added 2 hours ago
Senior Systems Engineer - IV&V
BAE Systems
Nashua, NH
…Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our Terminal High Altitude Area Defense (THAAD) Missile…
Added 2 hours ago
Info Technology Architect (Cloud Engineer)
Driver Services, Department of
United States
The Georgia Department of Driver Services (DDS) is seeking a highly skilled and motivated Cloud Engineer to join its Office of Information Technology (OIT). This position plays a…
Added 2 hours ago
Sealing Systems Applications Engineer III (Hybrid Schedule)
Greene, Tweed & Co. LLC
Houston, TX
…expertise and endless advancement opportunities you'd expect from a multi-national industry leader. You'll find them all in an environment that embraces diversity in people and opinions,…
Added 2 hours ago
VI
SATCOM Systems Engineer
Viasat, Inc.
Carlsbad, CA · Germantown, MD · Remote (excluding ND, VT, or RI)
- $149,500 to $224,500 USD / year
We are seeking an experienced SATCOM Systems Engineer to lead the design, development, and integration of advanced satellite communications solutions! In this role, you will be responsible…
Added 3 hours ago
Multifamily-Development Manager - Orlando
D.R. Horton America's Builder
Maitland, FL
…responsible for assisting the VP of Development in all aspects of multi-family home development, including deal sourcing; making an investment pitch; and pre-development, development, and…
Added 3 hours ago
Stormwater Infrastructure Program Manager
Arlington County VA
Arlington, VA
…agreement on challenging issues, and works effectively within a multi-objective program and…
Added 3 hours ago
Applied AI Engineer
Vor Systems
Remote, United States
Vor Systems is building software to help accelerate capital deployment & project development for renewable energy. We help developers, asset owners, investors, and other stakeholders make…
Added 3 hours ago
Sealing Systems Research Instrumentation Engineer II
GT Services LLC
Kulpsville, PA
…expertise and endless advancement opportunities you'd expect from a multi-national industry leader. You'll find them all in an environment that embraces diversity in people and opinions,…
Added 3 hours ago
SH
Principal Energy Manager
Stanford Health Care
United States
- $76.97 to $102.01 USD / hour
Practical design, construction administration, and project management experience, with building-controls programming as a plus.
Added 4 hours ago
H
Construction Materials Testing Project Manager - Frederick, MD
Hillis-Carnes
Frederick, MD
- $65,000 to $75,000 USD / year
We are seeking a Project Manager in our Frederick, MD office. Candidate must be dependable, enthusiastic, detail-oriented, and able to multi-task while working in a fast-paced environment.
Added 4 hours ago
V
Industrial Engineer - Electrical
VOLT
CARSON, CA
- $50 USD / hour
Volt is immediately hiring an Industrial Engineer (Electrical) in Carson, CA.
Added 5 hours ago
Senior Software Engineer (Agentic)
CCC Intelligent Solutions Inc.
Remote, United States
CCC Intelligent Solutions Inc. (CCC) is a leading cloud platform for the multi-trillion-dollar insurance economy, creating intelligent experiences for insurers, repairers, automakers, part…
Added 5 hours ago
Senior AI Engineer
CCC Intelligent Solutions Inc.
Remote, United States
CCC Intelligent Solutions Inc. (CCC) is a leading cloud platform for the multi-trillion-dollar insurance economy, creating intelligent experiences for insurers, repairers, automakers, part…
Added 5 hours ago
Counter-Unmanned Systems (C-UxS) Operational Planner
Deloitte
Honolulu, HI
As a Project Lead Integration Engineer II on the project, you will:
Added 5 hours ago
Entry Level Electrical Engineer
Jacobs
Honolulu, HI
We are seeking an Entry-Level Electrical Engineer to join our Water team. As part of our team, you'll have the opportunity to work on projects that help deliver safe, reliable, and…
Added 5 hours ago
Procurement Support Engineer - Sterling Industrial - Phoenix (Tempe), AZ
Traylor Bros., Inc.
Phoenix, AZ
Procurement Support Engineer provides engineering support for procurement activities associated with civil, mechanical, or electrical equipment, materials, and services required for the SRP…
Added 5 hours ago
Controls Systems Engineer - Sterling Industrial - Phoenix (Tempe), AZ
Traylor Bros., Inc.
Phoenix, AZ
The Control Systems Senior Engineer is responsible for the engineering, coordination, and technical oversight of instrumentation and controls for the powerhouse and balance of plant…
Added 5 hours ago
Mechanical BOP Project Engineer - Sterling Industrial - Phoenix (Tempe), AZ
Traylor Bros., Inc.
Phoenix, AZ
Come join the Traylor family! Sterling Industrial LLC., is currently looking for a Mechanical BOP Project Engineer

LLNL

Nuclear Safety Engineer

Livermore, CA, United States

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Job details

Posting language: English
Posted: Oct 29, 2026

Original job description

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 nuclear weapon safety engineer to participate in new and ongoing programs. Nuclear weapon safety engineers are responsible for the design, assessment, and implementation of nuclear weapon safety components and subsystems. Our engineers interface with colleagues at other National Laboratories and Production Agencies, National Nuclear Security Administration (NNSA), and Department of War (DoW) and their contractors. These positions are in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. DTED provides support to Strategic Deterrence Programs. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. 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. You will

Partner with system engineers, product realization teams, test engineers, analysts, and other stakeholders internal and external to LLNL to derive safety requirements, develop and mature conceptual designs, and perform supporting analyses and tests for demonstrating weapon safety requirements are met.
Conduct evaluations of components, subsystems, and system responses under normal and abnormal environments in support of stockpile stewardship, modernization programs, and future weapon system concepts.
Maintain awareness of design, development, production, maintenance, and dismantlement activities that affect weapon-system safety.
Prepare supporting safety and engineering documentation and participate in engineering design reviews.
Work independently as well as a part of a multidisciplinary team.
Travel to the other National Laboratories, the Production Agencies, NNSA locations, and DoW sites for meetings, briefings, and safety evaluations.
Perform other duties as assigned.

Additional job responsibilities, at the SES.3 level

Coordinate project interfaces and execution with organizations internal and external to the Laboratory.
Lead and provide guidance and technical direction to multidisciplinary project teams in a growing, dynamic environment.
Provide engineering knowledge to resolve complex technical and programmatic issues.
Perform independent technical tasks to provide solutions for complex issues.
Select methods, techniques, and evaluation criteria to obtain results based on analysis of multiple, largely identifiable factors.

Qualifications

This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at the time of hire.
Bachelor's degree in mechanical engineering, aerospace engineering, electrical engineering, or related field, or the equivalent combination of education and related experience.
Experience working with safety-critical components, subsystems, and systems for high-hazard, high-consequence applications, such as aerospace systems safety, reactor safety, nuclear facility safety, or munition safety.
Strong verbal and written communication skills and experience working effectively in a multidisciplinary team environment, with the ability to present and explain technical information to peers and project leaders.
Ability to obtain higher clearances if needed to support programmatic work, which may require a polygraph test.

Additional qualifications at the SES.3 level

Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information to peers, project leaders, and senior leadership.
Systems engineering experience for nuclear or high-consequence systems, including applying systems thinking to ensure stakeholder needs are met.
Proficiency with foundational science and engineering principles and experience with safety analysis methods and tools, such as event-tree, fault-tree, failure modes and effects analysis, margin and uncertainty quantification.

Qualifications We Desire

Master’s degree in mechanical engineering, aerospace engineering, electrical engineering, or related field, or the equivalent combination of education and related experience.
Experience with nuclear weapon safety design and assessment, the NNSA documented safety analysis process for nuclear explosive operations, Nuclear Explosive Safety evaluations, and nuclear weapon surety requirements, such as DOE Order 452-series.
Experience working with NNSA Nuclear Security Enterprise laboratories and plants, including Pantex Plant, Kansas City National Security Campus, Sandia National Laboratories, and Los Alamos National Laboratory.
Ability to obtain certification for NNSA’s Nuclear Explosive Safety Study Group through classroom and on-the-job training.
Knowledge of design applications employing high explosive materials.
Experience working in an environment with stringent safety and security policies.

Pay Range $146,340 - $222,564 Annually

$146,340 - $185,544 Annually for the SES.2 level

$175,530 - $222,564 Annually for the SES.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; 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. Additional Information

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 an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at time of hire.

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 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.

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.

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