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RH
Cloud Engineer
Robert Half
Memphis, TN
- $60 to $70 USD / hour
…routing. Experience with Linux and Windows server administration. Knowledge of cloud security best practices and identity management. Understanding of DevOps methodologies and CI/CD…
Added just now
RH
Data Engineer
Robert Half
Memphis, TN
- $70 to $85 USD / hour
…cloud platforms such as AWS, Azure, or Google Cloud Platform. Knowledge of CI/CD processes, Git, and DevOps methodologies. Excellent analytical, troubleshooting, and problem-solving skills.…
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RH
Network Engineer
Robert Half
Memphis, TN
- $70 to $85 USD / hour
Job Summary We are seeking a skilled Network Engineer to design, implement, maintain, and support enterprise network infrastructure. The ideal candidate will have experience with routing,…
Added 1 min ago
G
Manufacturing Engineer
GPAC
Charleston, IL
- $90,000 to $120,000 USD / year
Are you a hands-on engineer who enjoys solving problems, improving processes, and making an impact on the manufacturing floor?
Added 1 min ago
G
Manufacturing Engineer
GPAC
Terre Haute, IN
- $90,000 to $120,000 USD / year
Are you a hands-on engineer who enjoys solving problems, improving processes, and making an impact on the manufacturing floor?
Added 1 min ago
G
Manufacturing Engineer
GPAC
Paris, IL
- $90,000 to $120,000 USD / year
Are you a hands-on engineer who enjoys solving problems, improving processes, and making an impact on the manufacturing floor?
Added 1 min ago
Planner Scheduler - OH Work Management - Springfield Service Building
FirstEnergy
Springfield, OH
Must have personal vehicle to commute to various facilities and locations as required and possess a valid driver’s license
Added 1 min ago
Systems Engineer SME
Analytic Solutions Group
Bethesda, MD
Strong knowledge of standard software development processes, such as DevOps, requirements engineering, coding, documentation, configuration management, quality assurance, integration, and…
Added 3 mins ago
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…prototype hands-on, and turn it into something a forward deployed engineer (FDE) can build…
Added 4 mins ago
Full-stack Java & React Software Engineer III
JPMC page
Plano, TX
As a Software Engineer III at JPMorgan Chase within the Commercial & Investment Bank, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology…
Added 4 mins ago
Cloud DevOps Engineer
The Campbell's Company
Camden, NJ
What you bring to the table...(Must Have) · This role is based in our HQ in Camden, NJ on hybrid schedule (3 days in office)
Added 4 mins ago
Risk and Reliability Engineer /Sr. Risk and Reliability Engineer
The Aerospace Corporation
El Segundo, CA · Chantilly, VA
The Acquisition Risk and Reliability Engineering Department (ARRED) provides critical expertise in risk management, reliability engineering, and system safety. We are looking for a Risk and…
Added 4 mins ago
Navigation & Positioning Architectures Engineer
The Aerospace Corporation
El Segundo, CA · Chantilly, VA · Colorado Springs, CO
Develop and present timely and technically accurate presentations and reports that clearly communicate analysis results to technical leads, management, and customers
Added 4 mins ago
Specialist, Electrical Engineering
L3Harris Technologies
Mason, OH
Requires proficient knowledge of job area. May have practical knowledge of project management.
Added 5 mins ago
Senior Controls Engineer
Generac Power Systems Inc
CO
…environments. In addition to project delivery, the Senior Controls Engineer contributes to team performance by collaborating with peers, supporting knowledge sharing, and helping evolve…
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Senior Cloud Engineer
NexGen Data Systems Inc (NGDS)
Blacksburg, VA
Working knowledge of DoW STIGs, and IA Vulnerability Management (IAVM).
Added 5 mins 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 6 mins ago
Senior Systems & Infrastructure Engineer
GEM Technologies
New York, NY
GEM Technologies is looking for an experienced Senior Systems & Infrastructure Engineer who enjoys solving difficult technical problems and taking ownership of them through resolution.
Added 6 mins ago
Senior Project Manager, Construction Management
Stantec
Colorado Springs, CO · Denver, CO
Thorough knowledge of construction management, practices and methods, costs, scheduling, estimating, purchasing, and engineering principles and techniques.
Added 6 mins ago
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Principal Software Engineer
Actalent
Warner Robins, GA
- $75 to $95 USD / hour
…engineering best practices and standards. The Principal Software Engineer leads complex technical efforts across the full software development life cycle and collaborates closely with…
Added 6 mins ago
A
Principal Structural Engineer - LEAD
Actalent
Houston, TX
- $100 to $120 USD / hour
Job Title: Principal Structural Engineer - LeadJob DescriptionThe Principal Structural Engineer - Lead serves as a lead technical leader responsible for guiding civil and structural…
Added 6 mins ago
A
Senior Civil Engineer
Actalent
Houston, TX
- $70 to $85 USD / hour
…industrial and power infrastructure projects. As a Senior Civil Engineer, you will lead grading, drainage, roadway, and permitting activities while using advanced AutoCAD Civil 3D tools to…
Added 6 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
Network Engineer
Ingles Markets, Inc.
Black Mountain, NC
Must live in AL, GA, NC, SC, TN or VA.
Added 7 mins ago
AS
Systems Engineer SME
Analytic Solutions Group
Bethesda, MD
- $200,000 to $230,000 USD / year
Strong knowledge of standard software development processes, such as DevOps, requirements engineering, coding, documentation, configuration management, quality assurance, integration, and…

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