PlumberPipefitter Mid Shift

Were looking for a Plumber/Pipefitter. You will perform a wide variety of journey-level plumber/pipefitter activities including layout fabrication installation and repair of plant piping systems designed to transport a variety of liquid and gaseous substances. You will provide minor modifications alterations and maintenance services including service plumbing to all LLNL facilities and utilities. This position is in the Maintenance Production Division within the Infrastructure Maintenance and Utilities Department and may require work at Site 300 which is located in Tracy California

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

You will

• Layout fabricate install repair and troubleshoot commercial and industrial piping and equipment; leak detection; line locating and testing of piping systems utilizing tools and equipment of the trade. May be required to work from system drawings.
• Assemble and secure pipes tubes fittings and related equipment according to specifications by welding brazing cementing soldering and threading joints.
• Repair and install underground mechanical utilities (city water sewer etc.).
• Make decisions jointly with coworkers that involve techniques guidelines and procedures that are well defined.
• Provide effective customer service interacting with administrative supervisory and craft personnel.
• Prepare standard reports including permits deficiency forms and preventative maintenance work requests.
• Use motor vehicles in the transport of materials throughout the facility.
• 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 experience.
• Completion of apprentice training program and/or basic journey-level skills knowledge and experience in the field of service repair rough-in top out and finish plumbing utilizing tools and equipment of the trade.
• Basic journey-level skills knowledge and experience in fabrication installation and repair of process piping systems. Proficient in layout and installation of piping systems.
• Knowledge and experience using measuring instruments glue solvents and adhesives.
• Knowledge and experience in installation and repair of underground sanitary sewer systems.
• Basic knowledge of safety and OSHA laws and regulations.
• Ability to use independent judgment and decision making to provide best method to complete the task.
• Effective customer service and interpersonal skills to interact effectively in writing and verbally with technical administrative and management personnel and work effectively independently or as a part of a team.
• Basic knowledge of personal computers and associated software to prepare logs and reports send and receive e-mails perform computer-based training and timekeeping entry.
• Valid California drivers license.

Qualifications We Desire

• Current certification in pipe welding.
• Current certification in high-pressure installation.
• In-depth understanding and knowledge of the Uniform Plumbing Code Book.

Pay Range: 
$45.74 - $55.60 Hourly
This is the lowest to highest salary range in good faith we believe 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  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