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Machinists /Senior Machinists

Mid-Senior Level | Full-time
Engineering | livermore, CA | 01/11/2024

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Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is important for continued success of the Laboratory’s mission.

Pay Range

$39.98 - $49.65 Hourly for the 981.2 level
$47.93 - $59.49 Hourly for the 981.3 level

Please note that the pay range information is a general guideline only. Many factors are taken into consideration when setting starting pay including education, experience, the external labor market, and internal equity.

Job Description

We have several openings for Machinists / Sr. Machinists; including Research and Development (R&D) Machinists, Prototype Machinists and Precision Machinists. You will provide journeyman skill level manufacturing support to fabricate parts, components, and assemblies to customer requirements. You will have close technical interactions with engineering support and facility personnel. These positions are in the Manufacturing Engineering Section (MES) of the Materials Engineering Division (MED).

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 

  • Set up and operate all conventional and most precision and CNC machine tools to manufacture parts and assemblies.
  • Perform shop calculations utilizing intermediate knowledge of material characteristics to determine optimum feeds, speeds, and dimensions.
  • Operate related shop equipment, hand tools, and measuring instruments.
  • Perform shop math calculations utilizing intermediate knowledge of material characteristics to achieve required finishes, dimensions, and overall design intent.
  • Design and fabricate fixtures and jigs to be used during a variety of manufacturing processes.
  • Perform other duties as assigned.

Additional job responsibilities, at the 981.3 level

  • Establish and plan techniques and procedures to carry out technical assignments and set task priorities.
  • Solve complex technical problems.


  • Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
  • High school diploma plus four or more years of directly related experience, or equivalent combination of education and experience.
  • Ability to perform machining operations involving conventional and CNC machine tools, also related manufacturing, and measuring equipment.
  • Intermediate knowledge of ASME Y14.5M drafting standards (read and interpret blueprints) to produce parts and assemblies.
  • Intermediate knowledge of a wide variety of materials and manufacturing processes including some difficult to machine and exotic materials.
  • Ability to identify, analyze, and provide solutions or alternate approaches to manufacturing problems using individual judgment and creativity.
  • Intermediate level knowledge of CNC programming, machining, and planning.
  • Understanding of safety awareness and safe working practices.
  • Ability to become medically qualified to wear respiratory and protection equipment.
  • Effective verbal and written communication skills necessary to communicate tactfully and effectively in a technical environment.
  • Ability to work overtime, various shifts and or weekends to accomplish goals.

Additional qualifications at the 981.3 level

  • Advanced knowledge of ASME Y14.5M drafting standards (read and interpret blueprints) to produce parts and assemblies.
  • Advanced knowledge of a wide variety of materials and manufacturing processes including some difficult to machine and exotic materials.
  • Advanced level knowledge of CNC programming, machining, and planning.

Qualifications We Desire

  • Experience in one of the following areas - 5-Axis mill, slant bed lathe with live tooling, precision diamond turning.
  • Familiarity with using CAD/CAM systems (Mastercam preferred).

Additional Information

All your information will be kept confidential according to EEO guidelines.

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

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.

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:

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.

We invite you to review the Equal Employment Opportunity posters which include EEO is the Law and Pay Transparency Nondiscrimination Provision.

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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