Jobs in the United States

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Added 1 min ago
AU
Robotics AI Engineer - Robot Learning
About Us
Sedro Woolley, WA
- $120,000 to $220,000 USD / year
Janicki has committed to building an $800 million advanced manufacturing facility in Montana to produce precision metallic components for the aerospace and defense industries. Ground has…
Added 1 min ago
Systems Engineer
Baxter Healthcare Corporation
Round Lake, IL
The research we do and the products we develop improve outcomes for patients around the world. As a Systems Engineer at Baxter, your work contributes directly to making a significant impact…
Added 2 mins ago
Associate Principal Scientist/Engineer, Medical Device and Combination Products, Analytical
Merck Sharp & Dohme LLC
PA
The CPDA is seeking an Associate Principal Scientist/Engineer who, as an individual contributor, can act as an MDCP analytical lead for one or more exciting projects. A key aspect of the…
Added 5 mins ago
Project Executive - Plumbing
AMPAM Parks Mechanical
Fremont, CA
…committed to delivering quality, safety, and excellence in every…
Added 7 mins ago
A
Validation Engineer
Actalent
Dallas, TX
- $45 to $60 USD / hour
The Validation Engineer will be responsible for managing, inspecting, testing, and modifying the instrumentation, equipment, mechanics, and procedures used to manufacture products in…
Added 7 mins ago
A
Ignition Developer
Actalent
Carrollton, TX
- $60 to $87 USD / hour
Must have development experience with Ignition
Added 7 mins ago
SL
James.marmas@searchleaders.com
Search Leaders
Beasley, TX
- $100,000 to $130,000 USD / year
The Electrical Instrumentation Engineer will lead the design, development, and implementation of instrumentation, electrical, and control systems supporting industrial turbomachinery…
Added 8 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 8 mins ago
AF
Mechanical Engineering Lead Tech - 3rd Shift
American Foods Group, LLC
Long Prairie, MN
- $22.85 to $30.85 USD / hour
Using principles and theories of mechanical engineering and working under the direction of the lead engineer, perform the following duties:
Added 8 mins ago
G
Design Engineer - Millwork
GPAC
North Port, FL
- $70,000 to $90,000 USD / year
We are seeking a skilled Design Engineer to join our team at a high-end Millwork and Component manufacturer. This role is responsible for developing precise and innovative millwork designs,…
Added 9 mins ago
Electrical Engineer College Summer Intern
Mesabi Metallics Company LLC
Burlington, IA
…practices. The Burlington, Iowa office supports engineering, project development, procurement, and technical services that contribute to the company's strategic initiatives and industrial…
Added 9 mins ago
Mechanical Engineer III
INSPYR Solutions
Seattle, WA
As a Failure Analysis support engineer, you will be responsible for conducting technical lab work which supports prototype failure analysis and materials development investigations. You…
Added 10 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 11 mins ago
Senior Millwork Engineer - Custom Cabinetry & Architectural Woodwork
AlphaX
Naples, FL
A premier custom millwork and cabinetry firm in Naples, Florida is seeking a Senior Architectural Millwork Engineer to lead the technical design and engineering of high-end custom millwork…
Added 11 mins ago
Associate Quality Engineer
August Bioservices
Nashville, TN
…privately-owned, high-growth, and high-impact Contract Development Manufacturing Organization (CDMO). As a US-based outsourcing partner that provides a wide array of expert drug discovery,…
Added 13 mins ago
Associate Packaging Engineer
Memphis, TN
The Associate Packaging Engineer is an entry-level member of the R&D Packaging Development team who supports packaging testing, continuous improvement, specifications, and new product…
Added 14 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 15 mins ago
Material Flow Engineer
Yamaha Motor Manufacturing
Newnan, GA
The Material Flow Engineer supports Yamaha Motor Manufacturing Corporation of America’s Material Flow Engineering activities by developing and improving material flow processes that support…
Added 18 mins ago
Project Engineer / Supply Chain Specialist
RFA Engineering
Fort Worth, TX · Irving, TX
The Project Engineer will support procurement, supply chain, and project activities for electrical and electronic components. Work may include purchasing support, supplier coordination,…
Added 18 mins ago
Mechanical Engineer
LLNL
Livermore, CA
You may have the flexibility to work from home one or more days per week
Added 18 mins ago
Mechanical Engineer, Sr
Quanta Power Solutions, LLC
Houston, TX
Quanta Power Solutions is seeking an experienced Senior Mechanical Engineer to lead the design, analysis, and execution of mechanical systems for power generation, renewable energy, battery…
Added 18 mins ago
Mechanical Engineer, Prin
Quanta Power Solutions, LLC
Houston, TX
Quanta Power Solutions is seeking a highly experienced Principal Mechanical Engineer to serve as a senior technical authority and engineering leader for mechanical systems supporting power…
Added 21 mins ago
Packaging Engineer - OTC & VMS Products
SCN BestCo
Mooresville, NC
Must have the ability to communicate effectively, both verbally and in writing, with internal staff and management
Added 21 mins ago
Electrical Engineer 2
Lam Research
Fremont, CA
‘Virtual Flex’ you’ll work 1-2 days per week on-site at a Lam or customer/supplier location, and remotely the rest of the time
Added 22 mins ago
MANUFACTURING ENGINEER
Allegiant Manufacturing
KANSAS CITY, KS
Located in Kansas City, KS, we are seeking a skilled Manufacturing Engineer to join our growing team.

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