Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added just now
Network, Security & Cloud Infrastructure Manager
Greenhill School
Dallas, TX
The Network, Security & Cloud Infrastructure Manager partners with the Director of Technology to ensure the performance, resiliency, and security of the School's network, cloud, identity,…
Added 1 min ago
GE
Director, Business Planning and Innovation
Graybar Electric Company, Inc.
Corporate-Chesterfield, MO
- $125,000 to $150,000 USD / year
Design and lead functional planning and review processes, including staff meetings, business reviews, and planning sessions, with focused agendas and pre-reads that align priorities, assess…
Added 1 min ago
Business Analytics Lead
PNC
Pittsburgh, PA · Birmingham, AL · Cleveland, OH · Miamisburg, OH
…the ground up, partnering across Regulatory Reporting, FGO, Technology, and Data teams to develop a scalable, data-driven testing framework. The position will leverage existing automation…
Added 1 min ago
Software Engineer Lead
PNC
Pittsburgh, PA
Creates and leads the technical design and development of software solutions.
Added 1 min ago
Senior Java Developer
Infosys
United States
…rollouts, dependable production support, and top-quality product development. We specialize in integrating business applications using leading technologies such as TIBCO, Vitria,…
Added 1 min ago
MR
Cybersecurity and Infrastructure Lead
Marquette-Alger RESA
Marquette, MI
- $93,917 to $115,506 USD / year
…Marquette-Alger RESA and partner districts. Reporting to the Chief Technology Officer (CTO), this role proactively executes high-priority infrastructure projects and security protocols…
Added 1 min ago
Electrical Engineer 10
CDM Smith
Boston, MA
leads the development of the firm's TKM by developing white papers and technical design documentation of new or special case designs, studies, etc..
Added 1 min ago
PI
Account Manager
Phoenix International Freight Services, Inc.
Itasca, IL
- $70,000 to $80,000 USD / year
…planning, customs brokerage, contract logistics and solution design, and cross border…
Added 1 min ago
Manager, Learning and Development
Ford Global
Dearborn, MI
Bachelor’s Degree or Master’s Degree (preferred) in Instructional Design, Learning Technology, Learning & Development, Organizational Development, or any other related discipline or…
Added 1 min ago
Senior Adobe Analytics Developer
Ford Global
Dearborn, MI
Enterprise Technology plays a critical part in shaping the future of mobility. If you’re looking for the chance to leverage advanced technology to redefine the transportation landscape,…
Added 2 mins ago
Construction Project Manager
Salas O'Brien
Nashville, TN
…and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building…
Added 2 mins ago
Technology & Low Voltage Systems Designer
Salas O'Brien
Corona, CA
…and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building…
Added 2 mins ago
Enterprise Architect
Mariner Finance
Plano, TX
Drive the development, maintenance, and ongoing refinement of the company’s enterprise architecture strategy, standards, principles, and technology roadmaps across applications, data,…
Added 2 mins ago
Enterprise Architect
Mariner Finance
Eagan, MN
Drive the development, maintenance, and ongoing refinement of the company’s enterprise architecture strategy, standards, principles, and technology roadmaps across applications, data,…
Added 2 mins ago
Enterprise Architect
Mariner Finance
Nottingham, MD
Drive the development, maintenance, and ongoing refinement of the company’s enterprise architecture strategy, standards, principles, and technology roadmaps across applications, data,…
Added 2 mins ago
Oliver Wyman -Commercial Effectiveness and Private Capital Senior Consultant / Associate
Oliver Wyman, LLC
WA · NY
Product and service offering: bundling and tariff design, ancillary revenue strategy / “add-ons”, own-brand development, customer experience design
Added 2 mins ago
Instructional Design & Trainer, Mid (Clinical Trainer and Operational Support)
Acentra Health, LLC
UNAVAILABLE
Acentra Health exists to empower better health outcomes through technology, services, and clinical expertise. Our mission is to innovate health solutions that deliver maximum value and…
Added 2 mins ago
Senior Specialist - Data Science
Ally Bank
Detroit, MI · Charlotte, NC
Machine Learning Model Development: Design, develop, evaluate, and optimize machine learning models using appropriate statistical and ML methodologies, including feature engineering, model…
Added 2 mins ago
Digital Marketing Specialist
Angelo State University
TX
…university recruitment initiatives. The position combines graphic design, campaign development, copywriting, and digital marketing expertise to create integrated campaigns that strengthen…
Added 2 mins ago
A
Assistant Construction Project Manager – AECOM Tishman
AECOM
New York, NY
- $40.1 to $74.18 USD / hour
…transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and…
Added 2 mins ago
A
Aviation Design Project Manager
AECOM
San Francisco, CA
- $150,000 to $245,000 USD / year
…transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and…
Added 2 mins ago
N
Lead Designer, Brand Creative - Converse
Nike
Boston, MA
- $104,600 to $213,700 USD / year
…industry – looking at the latest trends in art direction, graphic design, and technology. This ever-expanding knowledge, network, and interest both inspires and drives your creative…
Added 3 mins ago
A
Technical Consultant - Cloud Security
AHEAD
Remote, United States
- $140,000 to $180,000 USD / year
…the Security and Compliance Practice in Delivery, Business Development, and Practice…
Added 3 mins ago
Multislide Technician
Ethicon Inc. Legal Entity
Cornelia, GA
Fueled by innovation at the intersection of biology and technology, we’re developing the next generation of smarter, less invasive, more personalized treatments.
Added 3 mins ago
Principal Platform Engineer – Sales
Johnson & Johnson Services Inc. Legal Entity
Raritan, NJ · Horsham, PA · Cincinnati, OH
Multi-Family Technology Product & Platform Management

LLNL

Senior Mechanical Engineer

Livermore, CA, United States

Apply About employer

Applications open in a new tab.

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.

Apply About employer

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

Report this job