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Company Description
Join us and make YOUR mark on the World!
Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.
Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.
Job Description
We have multiple openings for aBoiler & Pressure Systems Mechanic II.You will install, operate, maintain, and repair a combination of packaged boilers and pressure systems associated withbuilding heating HVAC (heating hot water and low-pressure steam), process steam, related operating systems, and utilities ofLLNL plant andresearch facilities. You will work independently and interact as a member of a multi-disciplinary team. This position is in the Infrastructure Maintenance and Utilities Department.
This position requires full-time on-site presence due to the nature of the work.
You will

• Perform journey-level boiler technician work including troubleshooting, installation, operations/operator, and maintenance and repair of hot water boilers, low-pressure steam boilers, thermal fluid systems, medium pressure steam generating equipment (including ASME Section l steam boilers), Low NOx burners, and related systems and components; to include combustion tuning, Burner Management System programming, and steam boiler water treatment testing.
• Install, operate, maintain, and repair a wide variety of mechanical and electrical equipment using materials, power tools, hand tools, and specialty tools applicable to the trade.
• Provide effective customer service and communication necessary to interact effectively with a multi-disciplinary team, including peers, supervisors, customers, ES&H (Environmental, Safety, and Health) technicians, and other crafts personnel.
• Analyze complex data and prepare logs (boiler and water treatment), standard reports, permit requirements, deficiency forms, and preventive maintenance work requests.
• Use a computer and hand-held electronic device for completing daily work orders, time reporting and web-based training.
• Work scheduled and emergency overtime.
• Perform all assignments in accordance with ES&H, security, and business practice requirements and policies.
• 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.
• Completion of an apprenticeship training program and/or significant equivalent journey- to advanced- level experience working with a combination of commercial packagedhot water and steam boilersas well as low and high-pressure steam systems.
• Intermediate to advanced skills, knowledge, and experience related to troubleshooting, operating and maintaining steam boilers, hot water boilers, thermal fluid heaters, and related systems, (e.g. expansion tanks, pumps, valves, water treatment, PLC based burner management systems, and electrical components) including basic electrical knowledge for AC circuits and DC circuits.
• Experience using hand tools, power tools and instruments of the trade such as Combustion Analyzer, Manometer, electrical metering, and circuit testing equipment, as well as experience using water treatment testing equipment.
• Demonstrated effective interpersonal,verbal, andwritten communication skills necessary to interact with a multidisciplinary workforce and customer base andcustomer service skills and ability to work independently as well as in a cross-functional team.
• Ability to become medically qualified to wear respiratory and other protective equipment and perform moderate workwhile wearing full-face or half-mask respirators.
• Experience applying and following state and federal safety regulationsand demonstrated ability to obtain and maintain required training andcertifications includingCompetent Worker or equivalentqualifications.
• Demonstrated basic computer skills with hand-held electronic devicesnecessary to complete work orders, time reporting, and web-based training.
• Valid California driver's license and ability to work scheduled, on-call, and emergency overtime.

Pay Range
$50.47 - $61.34 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 2026Best 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, wewill initiate a Federal background investigation to determine if youmeet 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 useand/or possession ofmobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area whereyou are not permitted to have a personal and/or laboratory mobile devicein your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.
Ifyou useamedical device, whichpairs with a mobile device,you must still follow the rules concerningthe mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities requireseparate 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: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf
Equal 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.
CaliforniaPrivacy Notice
The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitlesjob 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 .