Heavy Equipment Mechanic

We have openings for a Heavy Equipment Mechanic.  You will perform journey-level duties to repair and maintain a wide variety of mechanical/electrical plant support equipment such as engines motors pneumatics hydraulic systems air ventilation equipment emergency generators power gates construction equipment e.g. loaders backhoes aerial lifts mobile cranes and compressors. This position is in the Infrastructure Maintenance and Utilities Department and may require work at Site 300 in Tracy California.

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

You will

• Be responsible for site-wide operation and maintenance of a wide variety of mechanical and electrical equipment using standard tools of heavy equipment mechanic trade.
• Repair and maintain air ventilation systems power gates hydraulics systems stationary and portable generators compressors engines and construction equipment.
• Maintain good working knowledge of all plant and programmatic equipment in assigned work areas.
• Perform tasks in accordance with ES&H regulations and procedures fulfill all integrated safety security and property management responsibilities as appropriate.
• Complete maintenance tasks and make decisions that involve techniques and procedures that are well defined.
• Interact with supervisors building coordinators ES&H technicians inspectors and other craft personnel.
• Prepare standard reports and complete safety forms work orders training and timekeeping utilizing a computer and mobile devices.
• Perform other duties as assigned.

Qualifications :

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• High School Diploma GED or equivalent combination of education and/or experience.
• Completion of apprentice training program and/or equivalent journey-level work experience as a heavy equipment mechanic.
• Journey level skills knowledge and abilities in the heavy equipment mechanic trade including knowledge of codes laws and regulations including basic skills in the application of Safety policies and regulations.
• Experience troubleshooting repairing and maintaining loaders backhoes aerial lifts mobile cranes stationary and portable generators and compressors.
• Experience with hydraulic and pneumatic systems and industrial ventilation (HVAC) maintenance and repair.
• Demonstrated effective customer service interpersonal and communication skills necessary to interact effectively with personnel of all levels.
• Demonstrated ability to effectively write reports and complete forms. Basic knowledge of computers and mobile devices for preparing reports work orders and completing forms training and timekeeping.
• Ability to work scheduled as well as emergency overtime work and weekends travel to Site 300.
• Valid California Drivers License and ability to obtain and maintain a Commercial Drivers License.

Qualifications We Desire

• Experience with modern predictive and preventive maintenance techniques.
• Experience and knowledge of vibration analysis.

Pay Range
$45.82 - $55.70 Hourly
This position is under a Collective Bargaining Agreement and step structure.  Step placement will be determined after your qualifications are fully assessed during the interview process.

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  300

  Site 300 is an experimental test site operated by LLNL.  Situated on 7000 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. 

  Davis Bacon Act

  The Laboratory performs a variety of work including some that may fall under Davis Bacon Act requirements.  When work scope falls under this Act the Laboratory complies with the prevailing wage requirements.

  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.

  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:  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.

  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.

  
  

  Remote Work :

  No

  
  

  Employment Type :

  Full-time