Jobs in the United States

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Added 16 mins ago
OI
Factory Service Engineer
Oxford Instruments Plc
Santa Barbara, CA
- $85,000 to $110,000 USD / year
Oxford Instruments Asylum Research is seeking a hands-on Factory Service Engineer to support the factory service, repair, troubleshooting, testing, and continuous improvement of advanced…
Added 27 mins ago
A
Test Engineer
Actalent
Redmond, WA
- $55 to $58 USD / hour
Test Engineer Production Capacity Expansion Job DescriptionThis role leads the expansion of production capacity for the LP35 defibrillator product line by overseeing the assembly,…
Added 27 mins ago
A
Senior Embedded Software Engineer
Actalent
Kansas City, KS
- $41 to $51 USD / hour
Embedded Software EngineerJob DescriptionThe Embedded Software Validation Engineer validates, verifies, and tests embedded vehicle control software for both new and existing products. This…
Added 32 mins ago
Engineer - Maintenance
Celltrion Branchburg, LLC
Branchburg, NJ
…decommission) of equipment including the Manufacturing, Utility and Lab areas. The Engineer will perform assessments on systems and consult with SMEs to create robust maintenance plans to…
Added 32 mins ago
1
Firmware Engineer - Testing
1X
San Carlos, CA
- $150,000 to $190,000 USD / year
- You treat developer velocity as your own goal. You find out what each firmware engineer needs to test their work and get it to them before they have to ask
Added 33 mins ago
Weld Analyzer/Lab Technician - 3rd shift
Multimatic New Haven
Fort Wayne, IN
Perform Quality Engineer driven testing as required. (IE measure depth of scratch in a bar)
Added 33 mins ago
Senior Software Engineer - Test Infrastructure
IonQ
Bothell, WA · College Park, MD
Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United…
Added 34 mins ago
Process Engineer
York International Corp.
United States
As a Process Engineer on the SFTS Process Engineering team, you will oversee process and asset health related to our laser cutting and bonding processes. Your primary objective is to…
Added 37 mins ago
Electrical Engineer II, Computing Products (Onsite)
RTX
United States
…problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we…
Added 39 mins ago
AM
Quality Engineer I
Argentum Medical
Geneva, IL
- $85,000 USD / year
The Quality Engineer is a part of a Medical Device Manufacturing Quality team and will be responsible for supporting the Quality Management System and providing quality engineering services…
Added 1 hour ago
Engineer Sr, Tooling
Eos Energy Storage
United States
The Sr. Tooling Engineer drives optimized tooling design in the injection molded plastics supply chain to support world class manufacturing at scale. This role is part of an advanced…
Added 1 hour ago
M
Firmware Engineer (SCHIE)
Microsoft
WA · CA · Redmond, WA · Mountain View, CA · Redmond · Mountain View
- $85,400 to $183,700 USD / year
…server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is on smart growth, high efficiency, and delivering trusted…
Added 1 hour ago
Manufacturing Engineer
Badger Meter, Inc.
Racine Facility, WI
The Engineer II, Manufacturing is responsible for advancing new product development while sustaining and improving existing manufacturing processes. This role integrates new product and…
Added 1 hour ago
Engineer II
General Atomics
Herndon, VA
We have an exciting opportunity for an Electrical Engineer to join our CSS group located in Herndon, VA. The CSS group provides innovative, cutting-edge, security solutions for the United…
Added 1 hour ago
Software Engineer I
TransDigm Group Inc.
Vergennes, VT
Participate in flight-test operations, lab testing, and simulation runs to evaluate system performance under real-world and mission-critical conditions.
Added 2 hours ago
Senior Systems Engineer Team Lead (Remote Opportunity)
VetsEZ
Tampa, FL
VetsEZ is seeking a Team Lead / Senior Systems Engineer to support enterprise healthcare IT operations for the Department of Veterans Affairs (VA). This role leads the systems engineering…
Added 2 hours ago
Network Engineer (Remote Opportunity)
VetsEZ
San Antonio, TX
We are seeking a skilled Network Engineer to support enterprise infrastructure and networking operations for a large federal healthcare program. The Network Engineer will be responsible for…
Added 2 hours ago
W
Field Service Engineer - Medical Device/Diagnostics - Queens/Jamaica NY Territory
Werfen
New York City, NY
- $38 to $46 USD / hour
The Field Service Engineer builds and maintains relationships with customers to retain North American customer install base while performing thorough installations, repairs, preventative…
Added 2 hours ago
ZT
Software Engineer, Professional I
Zebra Technologies Corporation
Holtsville, NY
- $68,400 to $102,600 USD / year
As a WLAN Testing and Solutions Engineer in Holtsville, NY, you will join the Connectivity team within the Zebra Enterprise Mobility and Visibility organization. Our mission is to deliver…
Added 2 hours ago
Senior Electrical Engineer
SAIC
Crane, IN
SAIC is seeking an Electrical Engineer with experience troubleshooting electrical systems and supporting test environments. The selected candidate will play a crucial role in the…
Added 2 hours ago
Mechanical Manufacturing Engineer - 2nd Shift
Butler America
Windsor Locks, CT
Provide hands on engineering support directly in the lab and on the shop floor to resolve build issues and maintain execution readiness.
Added 2 hours ago
Innovation Mechanical Engineer I
Sherman and Reilly Inc
Chattanooga, TN
…Services family of companies, is seeking an Innovation Mechanical Engineer I for its innovation team. We work upstream of traditional New Product Development to explore emerging…
Added 2 hours ago
Product Development Engineer II - Upper Extremity
Encore Medical LP
TX
Product Development Engineer – Upper Extremities
Added 2 hours ago
Product Development Engineer II - Upper Extremity
Encore Medical LP
TX
Product Development Engineer – Upper Extremities
Added 2 hours ago
Sr. Principal Electrical Engineer/Principal Electrical Engineer
Northrop Grumman
Oklahoma City, OK
Our Advanced Test and Support Systems (ATSS) is seeking a Principal Electrical Engineer OR Senior Principal Electronics Engineer (Level 3 or 4) to join our team of qualified and diverse…

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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