Mechanical TechnologistSenior Mechanical Technologist High Explosives Application Facility

We have an opening for a Mechanical Technologist/Senior Mechanical Technologist to support new and on-going experimentation within the High Explosives Application Facility (HEAF). You will contribute to the fulfillment of technical projects by working with Explosive Research Experimental Leads (ERELs) Team Leads Engineers Scientists and Technicians in the design fabrication assembly and fielding of experimental assemblies. This position is within the National Security Engineering Division within the Engineering Directorate.

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 you are selected at the higher level.

You will 

• Provide general technical support to engineering scientific and technical staff to plan and conduct experiments at LLNL and other off-site locations in support of various programmatic activities.
• Design fabricate assemble and disassemble moderately complex mechanical components and systems in accordance with work control process and procedure requirements.
• Apply intermediate knowledge of materials and manufacturing processes to solve mechanical problems.
• Provide operations maintenance design fabrication assembly support and maintain systems documentation and experimental records.
• Design assemble measure and field explosively driven experiments in HEAF under established procedures and technical direction.
• Ensure that support and experimental areas are kept clean uncluttered and in a state of readiness.
• Perform other duties as assigned.

Additional job responsibilities at the 533.3 level

• Provide advanced technical support for the assembly and disassembly of complex systems and assemblies.
• Design fabricate assemble and disassemble complex mechanical components and systems including planning and selecting materials equipment and methods.
• Assist in developing test parameters and in the comprehensive troubleshooting and testing of materials components or systems; identify problems and provide input on solutions.
• Maintain accurate and detailed technical records of experimental design and data to ensure results are properly annotated and organized for reporting.

Qualifications :

• Ability to obtain and maintain a U.S. DOE Q-Level security clearance which requires U.S. Citizenship.
• Associate degree in Mechanical Industrial or Manufacturing Technology or equivalent combination of education and related experience.
• Experience solving a variety of moderately complex technical problems in completion of work assignments.
• Intermediate knowledge and experience with mechanical fabrication machining and assembly.
• Intermediate knowledge of engineering hardware design and testing processes.
• Ability to read and follow engineering notes sketches drawings specifications and procedures.
• Effective written and verbal communication skills and ability to work constructively in a highly collaborative team environment.
• Ability to obtain and maintain certification as a High Explosive Handler.
• Ability to lift 50 a safe and controlled manner.
• Ability to work independently and in a multidisciplinary team environment.

Additional qualifications at the 533.3 level

• Advanced technical skills and knowledge of engineering principles to solve complex problems using established guidelines techniques and procedures.
• Ability to read and follow complex assembly procedures engineering notes sketches and engineering drawings.
• Experience working with high level precision component assemblies with tight tolerances.
• Significant experience working independently under minimal supervision on technical assignments and proven ability to meet project requirements and deadlines.

Qualifications We Desire

• Demonstrated initiative resourcefulness and ability to work independently.
• Significant multi-process welding experience (TIG MIG ARC)
• Knowledge of and experience with Geometric Dimensioning and Tolerancing standards.
• Experience with 3D modeling software (SolidWorks Creo Inventor)
• Experience with Microsoft Office applications such as Word Excel Project and PowerPoint

Pay Range

$43.55 - $63.97 Hourly

$43.55 - $53.36 Hourly for the 533.2 level
$52.23 - $63.97 Hourly for the 533.3 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; pay will not be below any applicable local minimum 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)
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  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. 

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time