Jobs in the United States

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Added 1 min ago
Software Engineer III
RELX Inc. Company
Raleigh, NC
We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our…
Added 1 min ago
Advisor, Software Development, Engineering, and Services
Northwell
United States
Advisor will serve as a hands-on Full-Stack AI Engineer dedicated to driving the technical execution of Enterprise Gemini and high-priority artificial intelligence initiatives. Acts as the…
Added 1 min ago
KC
Regional Development Applications Engineer - eBeam
KLA Corporation
Austin, TX
- $83,100 to $141,300 USD / year
…specialty semiconductors, wafers, reticles, advanced packaging, process equipment and materials. We also develop technologies for specialty processes, IC substrates, and PCB manufacturing,…
Added 2 mins ago
A
Systems Engineer
Actalent
Woburn, MA
- $77 to $101 USD / hour
We are seeking a Systems Engineer to support the modernization and enhancement of advanced radar, missile defense, and sensor systems. This role focuses on system requirements development,…
Added 3 mins ago
Senior Low Observables Design & Integration Engineer - Pole Model
The Boeing Company
Berkeley, MO
…seeking a Senior Low Observables (LO) Design & Integration Engineer to lead design and analysis activities supporting the fabrication and test of an RCS pole…
Added 3 mins ago
Structural Analysis Engineer (Experienced & Senior)
The Boeing Company
Berkeley, MO
Boeing Test & Evaluation (BT&E) is seeking a Structural Analysis Engineer to support the Environmental Test Design Engineering team in Berkeley, MO.
Added 3 mins ago
Design Release Engineer
Stellantis
Auburn Hills, MI
Engineer must have excellent communication and presentation skills as well as experience with basic PC software (e.g
Added 3 mins ago
GO
Requirements & Testing Analyst
Goodwill of Colorado
Denver, CO · Colorado Springs, CO
- $70,000 to $80,000 USD / year
Provide ongoing application support as needed throughout the system lifecycle. Develop training materials and process documentation for end-users and other support functions (e.g. Helpdesk).
Added 5 mins ago
Sr. Equipment Process Engineer - Upstream
(5102) Genz. Therap Product LP
Framingham, MA
Make an impact across borders and functions, collaborating with leaders to turn complex challenges into real-world solutions
Added 5 mins ago
CO
ST3 Street Improvement Permit Supervisor (Civil Engineer Supervisor)
City of Seattle
Seattle, WA
- $81.17 to $94.12 USD / hour
Develop streamlined permit strategies as necessary for continuous process improvements and keep up to date all standard operating procedures (job aids, business processes, software updates…
Added 7 mins ago
Fire Protection Engineer
Mclane
Temple, TX
Licensed Fire Protection Engineer (FPE) preferred, with the ability to support operations in multiple states.
Added 7 mins ago
Associate Quality Engineer
August Bioservices
Nashville, TN
The Associate Quality Engineer supports quality activities related to the introduction of new products and projects into the quality system. This role works closely with Quality Engineers…
Added 7 mins ago
R&D Mechanical Engineer
Whisker
Auburn Hills, MI
We are seeking a talented and innovative Mechanical Engineer to join our dynamic Research and Advanced Development team at Whisker, a leader in connected pet care products and services. In…
Added 9 mins ago
EI
Manufacturing Technician, Thurs-Sat + every other Wed, 6 am to 6:30 pm
Entegris, Inc.
Bedford, MA
- $22 to $26 USD / hour
Works from specifications, work orders, and SOPs provided by Process Engineer, Development Engineer, and Production Supervisor.
Added 9 mins ago
GL
Forklift Operator - 1st Shift
GXO Logistics
Manassas, VA
- $23.25 USD / hour
We engineer faster, smarter, leaner supply chains.
Added 9 mins ago
Forklift Operator II - Weekend 1st Shift
GXO Logistics
Union City, GA
Demonstrate a commitment to process excellence
Added 9 mins ago
Product Development Engineer - Structures & Isolation
Ford Global
Dearborn, MI
Candidates who are in commuting distance to a Ford hub location may be required to be onsite four or more days per week
Added 10 mins ago
UA
Manufacturing Quality Engineer Intern - Spring & Summer 2027
USABB ABB Inc.
New Berlin, WI
- $20 to $34 USD / hour
Candidates must reside within a 50-mile radius of the office location · Intern must have reliable transportation to and from the worksite
Added 11 mins ago
L
Legal Engineer
Lawhive
Remote, United States
- $190,000 to $270,000 USD / year
We're hiring our first Legal Engineer focused on immigration and removal defense in the US. You'll be a practicing (or previously practicing) deportation defense attorney who wants to build…
Added 11 mins ago
L
Legal Engineer
Lawhive
Austin, TX
- $190,000 to $270,000 USD / year
We're hiring our first Legal Engineer focused on immigration and removal defense in the US. You'll be a practicing (or previously practicing) deportation defense attorney who wants to build…
Added 11 mins ago
Hydraulic Engineer
The Planet Group
Houston, TX
We are seeking an experienced Hydraulic Engineer IV to support natural gas pipeline operations. This individual will apply their technical knowledge of natural gas pipeline systems, gas…
Added 13 mins ago
Mechanical Engineer
LLNL
Livermore, CA
You may have the flexibility to work from home one or more days per week
Added 14 mins ago
SharePoint Engineer / Portal Administrator
JANUS Research Group
Fort Bliss, TX
Candidates must have an active Secret clearance and verify, before applying, that you meet the minimum requirements of the position
Added 15 mins ago
Propulsion Engineer (Raptor Integration)
SpaceX
Starbase, TX · Brownsville, TX
…fleet of engines capable of continuous reuse. As a Propulsion Engineer on this team, you will serve an important role in developing the processes that will be used to maintain the fleet of…
Added 15 mins ago
Applications Engineer II-MMIC
Mini-Circuits
Melville, NY
The Applications Engineer II position is a critical part of the technical support that Mini-Circuits provides. The individual in this role will have the opportunity to work with peers to…

LLNL

Mechanical Engineer

Livermore, CA, United States

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Job details

Posting language: English
Posted: Nov 10, 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 multiple openings for Mechanical Engineers to participate in new and ongoing projects. We provide nuclear weapon engineering design expertise; systems engineering; experimental device design; shock & vibration and thermal testing; fabrication and assembly; and assessment of nuclear stockpile components for evaluation and maintenance of the enduring and future nuclear weapon stockpile. You will interface with colleagues at other National Laboratories and Production Agencies, National Nuclear Security Administration (NNSA), and Department of Defense (DoD) and their contractors. These positions are in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate. DTED provides support to Strategic Deterrence (SD) Programs. Depending on your assignment, these positions 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. These positions 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

Derive engineering requirements, develop conceptual designs, and perform supporting assessment of mechanical systems, test prototypes, and associated diagnostics.
Assist and support the detail design process, component part fabrication, and unit assembly.
Prepare supporting safety and engineering documentation and participate in engineering design reviews.
Participate in engineering testing operations, analyze results, and write reports.
Generate detailed plans, schedules, and budgets for project activities.
Interface with other organizations internal and external to the Laboratory to complete various projects.
Work independently as well as a part of a multidisciplinary team.
Perform other duties as assigned.

Additional job responsibilities, at the SES.2 level

Provide comprehensive engineering knowledge to resolve technical and programmatic issues, using the broad application of technical concepts and techniques.
Perform independent technical tasks to provide solutions for a diverse range of moderate to complex issues that require the creative use of established or innovative methods.
Select methods, techniques, and evaluation criteria to obtain results based on analysis of multiple, largely identifiable factors.
May represent the organization by providing input on technical issues for specific projects.
May provide guidance and/or informal mentoring to less-experienced team members.

Qualifications

Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
Bachelor's degree in Mechanical Engineering or related field, or the equivalent combination of education and related experience.
Fundamental knowledge in at a minimum of two of the following areas: engineering hardware design, systems engineering, manufacturing techniques, testing processes.
Working knowledge of and/or experience with design principles.
Working knowledge of material properties and manufacturing methods.
Experience working effectively in a multidisciplinary team environment.
Desire to work on National Security projects related to nuclear weapons and flexibility to work in different technical areas.
Sufficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information.

Additional qualifications at the SES.2 level

Comprehensive knowledge of engineering hardware design, fabrication, or testing processes and the ability to meet schedule and deliverables for multiple concurrent projects with a range of priorities.
Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information.

Qualifications We Desire

Master's degree in Mechanical Engineering or related field.
Ability to interpret specifications and mechanical drawings including Geometric Dimensioning & Tolerancing (GD&T).
Experience using standard project management practices.
Knowledge of design applications employing high explosive materials.
Experience working in an environment with stringent safety and security policies.

Pay Range $121,830 - $185,544 Annually $121,830 - $154,500 Annually for the SES.1 level

$146,340 - $185,544 Annually for the SES.2 level This is the lowest to highest salary in good faith 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 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 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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Jobs in the United States