Mechanical Technologist/Sr. Mechanical Technologist - Hydro

We have multiple openings for Mechanical Technologist/Sr. Mechanical Technologist to support various operations of new and on-going experiments at LLNL’s Site 300 (in Tracy, CA) and Livermore Site. You will work under general supervision in a team environment. In addition, you will contribute to the team by providing operations, maintenance, design, fabrication, assembly support, and documentation. These positions are in the Defense Technologies Engineering Division (DTED), within the Engineering Directorate, supporting operations within the Strategic Deterrence (SD) Directorate.

These positions require full-time on-site presence due to the nature of the work.

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 you are selected at the higher level.

In this role you will

• Design, fabricate, assemble, disassemble, upgrade, and retrofit moderately complex electro-mechanical components and systems, using established work control process and procedure requirements while working under general supervision.
• Provide general technical support to engineering, scientific, and technical staff to plan and conduct experiments at Livermore Site 300, Site 200 and other Nuclear Weapons Enterprise (NWE) Test sites.
• Provide operations, maintenance, design, fabrication, and assembly support, assist in the planning, organizing, and completion of projects, and review, update, and maintain systems documentation and experimental records.
• Operate mechanical diagnostic equipment, maintain area controls, assist with mechanical diagnostic calibration and alignment, test prior to experiment execution, and perform data recovery after experiment execution.
• Apply intermediate level skills and knowledge of materials and manufacturing processes in solving moderately complex mechanical problems while using established guidelines, techniques, and procedures.
• Perform facility related and technical functions such as maintenance, testing, upgrades to equipment control, etc. 
• Perform other duties as assigned.

Additional job responsibilities, at the 533.3 level

• Provide advanced level technical assembly and disassembly support of complex systems while working independently with minimal instruction or direction.
• Design, fabricate, assemble, and disassemble complex mechanical components and systems, including planning and selecting materials and equipment, establishing work methods, and setting priorities.
• Assist in developing test parameters, execute comprehensive troubleshooting and testing of materials, components, or systems, identify problems, and perform regular decision making and problem-solving responsibilities to provide solutions.

Qualifications

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Associate degree in Engineering Technology or related technical field, or the equivalent combination of education and experience in a technical or engineering field that includes mechanical training.
• Experience solving a variety of moderately complex technical problems in completion of work assignments.
• Experience with mechanical diagnostic equipment, maintaining area controls, assisting with mechanical diagnostic calibration and alignment, testing prior to experiment execution, and performing data recovery after experiment execution.
• Experience in and intermediate level skills and knowledge of mechanical fabrication and assembly.
• Effective written and verbal communication and presentation skills and ability to work constructively in a multidisciplinary team environment.
• Ability to complete and maintain certifications as required by the position.
• Ability to lift 50 lbs. in a safe and controlled manner.
• Ability to become medically qualified to wear respiratory and other protective equipment and perform moderate work effort while wearing respirators.
• Ability to periodically travel to Nuclear Security Enterprise sites in support of program mission.

Additional qualifications at the 533.3 level

• Experience working with advanced level precision component assemblies with tight tolerances.
• Advanced technical skills and knowledge of engineering principles to perform comprehensive troubleshooting and demonstrated ability to regularly make decisions to solve challenging and complex problems and meet project requirements and deadlines.
• Demonstrated ability to read and follow complex assembly procedures, engineering notes, sketches, and engineering drawings.
• Advanced experience establishing appropriate work methods and setting priorities, as well as interpreting, implementing and/or modifying guidelines, techniques, and procedures.

Qualifications We Desire

• Experience assembling electro-mechanical systems and assemblies.
• High Explosives certification.
• Experience in fulfilling Work Control process and procedure requirements.
• Experience working with precision tooling.

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 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

#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 https://www.llnl.gov/inclusion/our-values

Site 300

Site 300 is an experimental test site operated by LLNL.  Situated on 7,000 acres in rural foothills approximately six miles southwest of downtown Tracy and 15 miles southeast of Livermore, Site 300 hosts approximately 200 employees with expertise in such fields as engineering, chemistry, biology, and environmental restoration. Employees assigned to work at Site 300 may be exposed to the organism that causes San Joaquin Valley Fever (coccidioidomycosis).

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.

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To learn more about recruitment scams: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

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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.

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