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GNC M&S Engineer
Modern Technology Solutions Inc
Beavercreek, OH · Beavercreek
…apply them in a multi-tasking environment where more than one project may require the candidate’s participation at any given time (typically one primary project and one or two ancillary…
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Architectural Facilities Engineer - Level 3 or 4
CORP-Corporate Office
United States
In this position the Principal Facilities Engineer or Senior Principal Facilities Engineer will plan, design and oversee the reconfiguration, maintenance, and alteration of equipment,…
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Principal Engineer Supplier Quality/Sr Principal Engineer Supplier Quality
CORP-Corporate Office
United States
Sr. Principal Supplier Quality Engineer: Bachelor’s degree in a STEM discipline and minimum of 8 years of experience in a manufacturing, quality and/or engineering role or a minimum of 6…
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Chief Engineer Level 5 - Linthicum
CORP-Corporate Office
United States
Northrop Grumman Space System is seeking an Integrated Product Team (IPT) Lead within the Electronics and Payloads Division. This position will support our Eastern Region Engineering Team.
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Chief Engineer Level 6 - Linthicum
CORP-Corporate Office
United States
Be responsible for the integration of the overall technical plan within the Integrated Master Schedule (IMS). Controls engineering project scope (e.g. within or outside established project…
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Sr Principal Chief Engineer
CORP-Corporate Office
United States
This IPT Lead will be required to lead an engineering team working to transition designs to production for a very important sector priority program with many time-critical elements and high…
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Advanced Ammo Production Engineer (Level 2 or 3)
DS - Armament Systems
United States
Northrop Grumman’s Armament Systems business unit is seeking an Advanced Ammo Production Engineer to provide manufacturing and process engineering support for guided projectile and advanced…
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Staff Industrial Engineer
CORP-Corporate Office
United States
Basic Qualifications for the Staff Engineer Industrial:
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FPGA Digital Engineer - 2
SP - Launch Vehicles
United States
As a FPGA Design Engineer, you will collaborate with experienced FPGA engineers and cross-disciplinary teams (hardware, algorithms, software) to support the design, verification, and…
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Principal / Sr Principal Engineer Systems Modeling Simulation
CORP-Corporate Office
United States
Northrop Grumman Aerospace Systems has an opening for a Senior Principal or Principal Engineer Systems Modeling and Simulation, to join our team of qualified, diverse individuals. This…
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Industrial Engineer / Principal Industrial Engineer
CORP-Corporate Office
United States
Northrop Grumman Mission Systems is looking for you to join our team as an Industrial Engineer / Principal Industrial Engineer based out of Sunnyvale, CA.
Added 1 min ago
Senior Professional Engineer, Structural Engineering
Simpson Gumpertz & Heger
Washington, DC
Our Washington, D.C. Structures Division provides structural engineering services with an emphasis on new design, repair and rehabilitation, and investigation and performance evaluation of…
Added 1 min ago
Structural Senior Project Engineer
S. A. Miro, Inc.
Denver, CO
At S. A. Miro, Inc., we specialize in providing structural and civil engineering solutions to both public and private sector clients. Our firm has built a reputation for pushing the…
Added 2 mins ago
Regional Engineer II
RFR US
Bakersfield, CA
The Engineer supports the department’s two primary functions: Applications Support and New Product Development. We believe our applications knowledge gained through our support function…
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Regional Engineer II
RFR US
Bakersfield, CA
The Engineer supports the department’s two primary functions: Applications Support and New Product Development. We believe our applications knowledge gained through our support function…
Added 3 mins ago
Manager, GTM Consulting (Professional Services)
ZoomInfo Technologies LLC
Waltham, MA
…ZoomInfo, you will lead a high-performing pod of senior GTM engineering and consulting talent, and own the capacity, quality, and commercial performance of the GTM Engineering professional…
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Fellow Engineer - Structural Analyst - 1586
EGS
Aiken, SC
EGS, Inc. is seeking a highly experienced Fellow Engineer - Structural Analyst to provide advanced structural engineering analysis and design support for nuclear facilities at the Savannah…
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Technical Engineer
Highmark Health
Working at Home, PA · Working at Home, MD · Working at Home, WA · Working at Home, LA · Working at Home, KY · Working at Home, KS · Working at Home, IN · Working at Home, IL · Working at Home, IA · Working at Home, FL · Working at Home, CO · Working at Home, CA · Working at Home, DE · Working at Home, AR · Working at Home, AZ · Working at Home, AL · Working at Home, AK · Working at Home, NV · Working at Home, VT · Working at Home, ID · Working at Home, OK · Working at Home, HI · Working at Home, MS · Working at Home, UT · Working at Home, NH · Working at Home, NM · Working at Home, WY · Working at Home, ND · Working at Home, RI · Working at Home, MT · Working at Home, TX · Working at Home, OH · Working at Home, NJ · Working at Home, OR · Working at Home, MO · Working at Home, VA · Working at Home, NE · Working at Home, MN · Working at Home, MI · Working at Home, WI · Working at Home, NY · Working at Home, ME
3 years of technical problem solving, solution implementation, team/project collaboration experience
Added 3 mins ago
Electrical Engineer
Craftsmen Industries, Inc.
Saint Charles, MO
The Electrical Engineer is responsible for the upfront electrical system planning, design, layout, and subsequent support of the installation and integration in a wide range of custom…
Added 4 mins ago
Associate Network Engineer
University of Arkansas for Medical Sciences
Remote, United States
The Associate Network Engineer is responsible for supporting and monitoring the UAMS Network Engineering environment. Environment includes but is not limited to: Networking equipment from…
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P&C Manager
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Atlanta, GA
We deliver engineering, protection and control, commissioning, NETA field services, and compliance, supporting the full lifecycle of power infrastructure. With a multinational footprint…
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GV
R&D Machinist - 1st Shift
GE Vernova
Parsippany, NJ
- $32.5 to $42 USD / hour
…the gap between conceptual design and production by reverse-engineering prototypes into high-fidelity manufacturing…
Added 4 mins ago
Senior Customer Reliability Engineer
GE Vernova
Atlanta, GA
Engineering knowledge, data analysis skills, and practical understanding of industrial equipment operation and maintenance.
Added 4 mins ago
MM
Procurement Manager, Construction
Mariana Minerals
San Francisco, CA · Houston, TX · Moab, UT · Ann Arbor, MI
- $130,000 to $180,000 USD / year
- Lead package teams of construction management, engineering, project controls, HSE, finance, and legal to align on scope, schedule, and commercial strategy.
Added 5 mins ago
Senior Project Engineer - Silicon Valley Construction (Job Site)
Mill Creek Residential
East Palo Alto, CA
At MCRT the Senior Project Engineer will assist the Project Manager(s) with the planning and daily execution in the construction of various types of high density residential and mixed use…

LLNL

Senior Mechanical Engineer

Livermore, CA, United States

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Job details

Posting language: English
Posted: Nov 9, 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 Senior Mechanical Engineers to provide engineering design solutions for new and ongoing projects. You will apply technical knowledge in mechanical engineering to develop conceptual ideas into workable and cost-effective solutions that support research and investigations of nuclear materials. Your technical responsibilities will include design, development, fabrication, integration, testing and fielding of new projects and upgrades. This position will report programmatically to a Capabilities Portfolio Manager in the Superblock. This position is in the Defense Technologies Engineering Division (DTED) within the Engineering Directorate. 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 up to one day 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

Provide technical expertise in mechanical and electromechanical design for new projects and capabilities in the Superblock, a DOE nuclear R&D facility.
Conduct research in structural, thermal, hydraulic, or dynamics modeling of mechanical systems.
Produce advanced conceptual and detail designs in support of on-going projects.
Prepare supporting health and safety documentation that is aligned with the Integrated Safety Management (ISM) requirement and participate in design and Management Prestart Reviews.
Coordinate project interfaces and deployment interfacing with other organizations internal and external to the Laboratory.
Lead and/or provide guidance and technical direction to multidisciplinary project teams in a growing, dynamic environment.
Perform other duties as assigned.

Additional job responsibilities, at the SES.4 level

Set broad project vision and strategy and influence technical direction for self and others.
Provide expert capability in highly complex mechanical design and analysis.

Qualifications

Ability to secure and maintain a U.S. Department of Energy (DOE) Q-level security clearance, which requires U.S. citizenship.
Bachelor's degree in mechanical engineering or a related field, or the equivalent combination of education and related experience.
Advanced knowledge of mechanical design.
Significant experience in prototype development and testing, as well as hardware design and analysis.
Ability to devise solutions for unique and complex problems.
Ability and flexibility to reprioritize and change programmatic direction depending on emergent requests.
Significant experience in managing, overseeing, and delivering multiple projects on budget and schedule.
Ability to lead, manage, and mentor junior team members.
Advanced communication skills with proven ability to present concepts and ideas in a clear and coherent manner, both verbal and written for presentation and interaction with other technical staff members.

Additional qualifications at the SES.4 level

Expertise in highly complex mechanical design and analysis and significant experience in project planning and highly complex technical leadership.
Significant experience developing and implementing creative solutions to a diverse range of highly complex problems and leading corrective actions where necessary.
Expert communication, facilitation, and collaboration skills necessary to present, explain, and advise senior management and/or external sponsors and proven record of team building and conflict resolution.

Qualifications We Desire

Master's degree or PhD in Mechanical Engineering or a related field.
Advanced knowledge of systems engineering principles and practices and their application.
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.

Pay Range $175,530 - $267,060 Annually $175,530 - $222,564 Annually for SES.3 Level

$210,630 - $267,060 Annually for SES.4 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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More about this job

Skills

Mechanical engineering
Research
Provide technical expertise
Mechanical systems
Health and safety
Documentation
Design hardware
Communication skills
Leadership
Collaboration
Team building
Conflict resolution
Engineering principles

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