Machinists Senior Machinists

We have several openings for Machinists / Sr. Machinists including Research and Development (R&D) Prototype 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).

This position requires full-time on-site presence due to the nature of the work.

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.

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.
• Provide advanced senior machinist support and apply advanced knowledge to manufacture complex precision hardware.
• Solve complex technical problems.

Qualifications :

• 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).

Pay Range

$43.55 - $63.97 Hourly

$43.55 - $53.36 Hourly for the 981.2 level

$52.23 - $63.97 Hourly for the 981.3 level

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting.  An employees 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 :

#LI-Onsite

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  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.

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  A job related pre-placement medical examination may be required.

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time