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Target Fabrication Machinists / Senior Target Fabrication Machinists

Associate | Full-time
Engineering | livermore, CA | 10/13/2021

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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 essential to innovation and creativity for continued success of the Laboratory’s mission.

Job Description

We have multiple openings for a Target Fabrication Machinists / Senior Target Fabrication Machinists to work under general supervision, provide intermediate journeyman skill level manufacturing support to fabricate difficult -to- machine parts, components, and assemblies to customer requirements. You will work with Machinists and project leaders to determine priorities, schedules, and process requirements.  This position requires close technical interactions with engineering support and facility personnel and the ability to work closely on a continuing basis as part of a small team.  You will be required to perform various operations related to high-precision machining.  Work hours will be aligned with the Target Fabrication Machining Group and will report administratively to the Materials Engineering Division (MED), Manufacturing Target Fabrication Supervisor. 

This position 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.

In this role, you will

  • Set up and operate diamond turning & milling machines using CNC machine tools such as Moore Nanotech, Precitech Nanoform and Kern EVO/Micro, to manufacture small, ultraprecision laser target parts and assemblies.
  • Set up and operate all conventional and most precision and CNC machine tools to manufacture parts, fixtures, and assemblies.
  • Perform shop calculations utilizing knowledge of material characteristics to determine optimum feeds, speeds, and dimensions.
  • Operate related optical inspection equipment such as white light interferometers, confocal microscopes, and other optical measuring instruments. Using equipment such as Keyence, Zygo, & Veeco.
  • Fabricate difficult fixtures and holding devices used during manufacturing processes.
  • Perform shop math calculations utilizing knowledge of material characteristics to achieve ultra-precision finishes, dimensions, and overall design intent.
  • Design and fabricate advanced fixtures and jigs to be used during a variety of manufacturing processes.
  • Establish and plan techniques and procedures to carry out advanced technical assignments and set task priorities.
  • Use of Master Cam and or Creo to model and program CNC machine tools.
  • Perform all assignments in accordance with ES&H, security, and business practice requirements and policies.
  • Perform other duties as assigned.

Additional job responsibilities, at the 981.3 level

  • Establish and plan techniques and procedures to carry out advanced technical assignments and set task priorities.
  • Lead, train, or mentor others by providing regular technical direction and oversight on machine tools, CNC controllers and manufacturing processes.


  • Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. Citizenship.
  • Associate degree in Machine Tool Technology or equivalent completion of an apprenticeship program in the machining trade or equivalent level of experience.
  • Effective written, verbal and presentation communication skills.
  • Experience performing moderately complex machining operations involving diamond turning and other CNC machine tools.
  • Experience performing high-precision target assembly tasks and operating 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 target-related materials.
  • Intermediate level knowledge of CNC programming, machining, planning, and estimating.
  • Experience working independently and in a team environment.

Additional qualifications at the 981.3 level

  • Experience performing complex machining operations involving diamond turning and other CNC machine tools.
  • Advanced level knowledge of CNC programming, machining, planning, and estimating.
  • Effective written, verbal, feedback and presentation communication skills.

Qualifications We Desire

  • Target Fabrication handling/machining experience.
  • Diamond Turning and machining experience.
  • Familiarity working independently and working on a technical project team.
  • Familiarity with Master-Cam CNC programming
  • Familiarity with managing LLNL ES&H and Security policies and procedures.
  • Familiarity with 5-axis programing and machining

Additional Information

Why Lawrence Livermore National Laboratory?

  • Included in 2021 Best Places to Work by Glassdoor!
  • Work for a premier innovative national Laboratory
  • Comprehensive Benefits Package
  • Flexible schedules (*depending on project needs)
  • Collaborative, creative, inclusive, and fun team environment

Learn more about our company, selection process, position types and security clearances by visiting our Career site

COVID-19 Vaccination Mandate

LLNL demonstrates its commitment to public safety by requiring that all new Laboratory employees be immunized against COVID-19 unless granted an accommodation under applicable state or federal law. This requirement will apply to all new hires including those who will be working on site, as well as those who will be teleworking.

Security Clearance

LLNL is a Department of Energy (DOE) and National Nuclear Security Administration (NNSA) Laboratory.  Some positions will require a DOE L or Q clearance (please reference Security Clearance requirement above).  If you are selected and a clearance is required, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. In addition, all L or Q cleared employees are subject to random drug testing.  An L or Q clearance requires U.S. citizenship.  For additional information please see DOE Order 472.2.

Equal Employment Opportunity

LLNL is an affirmative action and equal opportunity employer that values and hires a diverse workforce. 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.

LLNS is committed to offering reasonable accommodations during the application and recruiting processes due to a disability.  If you need assistance or an accommodation due to a disability, please submit a request via our online form

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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