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Senior​/Principal Mechanical Maintenance Technician - CA Onsite

Job in Livermore, Alameda County, California, 94551, USA
Listing for: Sandia National Laboratories
Part Time, Apprenticeship/Internship position
Listed on 2026-07-23
Job specializations:
  • Trades / Skilled Labor
    Maintenance Technician / Mechanic, HVAC Tech / Heating Engineer, Building Maintenance
Salary/Wage Range or Industry Benchmark: 76000 - 146900 USD Yearly USD 76000.00 146900.00 YEAR
Job Description & How to Apply Below
About Sandia:

Sandia National Laboratories is the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs:

+ Challenging work with amazing impact that contributes to security, peace, and freedom worldwide

+ Extraordinary co-workers

+ Some of the best tools, equipment, and research facilities in the world

+ Career advancement and enrichment opportunities

+ Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)

+ Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance
* World-changing technologies. Life-changing careers. Learn more about Sandia at: http://(Use the "Apply for this Job" box below)..gov

* These benefits vary by job classification.

What Your Job Will Be Like:

We are looking for a dedicated Mechanical Maintenance Technician (job title: General Maintenance Technologist) to join our Facilities Mechanical Maintenance Team, focusing on HVAC, Plumbing, and our Facility Control System (FCS). This team currently oversees, maintains, and operates the systems for approximately 80 buildings across the California Site. The successful candidate will work collaboratively with cross-functional teams, including projects, maintenance, and engineering, to ensure the seamless operation of site-wide facilities.

On any given day, you will be called on to:

+ Diagnose, troubleshoot, and repair HVAC, plumbing, and Facility Control Systems (FCS) by inspecting field devices, sensors, piping, valves, and mechanical equipment to ensure optimal operation and performance

+ Perform routine, preventive, and emergency maintenance and repairs on a variety of systems, including HVAC units, boilers, chillers, pumps, plumbing fixtures, and related mechanical and electrical equipment

+ Utilize hand and power tools to conduct repairs and maintenance tasks across multiple trades

+ Conduct routine, periodic, and special inspections of facilities, machinery, and equipment to identify potential issues and prevent operational breakdowns

+ Interpret and apply blueprints, sketches, wiring diagrams, layouts, drawings, and technical specifications to guide maintenance, repair, and installation activities

+ Continuously monitor system performance, promptly troubleshoot irregularities or malfunctions, and respond to service requests and emergency repairs with prioritization based on operational urgency

+ Identify operational risks and implement effective mitigation strategies to enhance system reliability and minimize downtime

+ Provide technical guidance and support to facility personnel on system operation, maintenance best practices, and repair procedures

+ Collaborate closely with Facility Managers, System Engineers, Operations Engineers, Work Planners, and End Users to plan and execute maintenance, repairs, installations, and upgrades efficiently

+ Support mechanical installation and upgrade projects, including enhancements to control systems, and oversee contractor activities to ensure quality and compliance

+ Adhere strictly to safety protocols, regulatory requirements, and company policies to maintain a safe, compliant, and efficient work environment

Due to the nature of the work, the selected applicant must be able to work onsite.

Applicants on this requisition may be interviewed by multiple organizations at Sandia National Laboratories.

Salary Range:

$76,000 - $146,900

* Salary range is estimated, and actual salary will be determined after consideration of the selected candidate's experience and qualifications, and application of any approved geographic salary differential.

Qualifications We Require:

+ High school diploma or GED plus five (5) or more years of relevant experience; or equivalent combination of relevant education and experience

+ Experience performing general maintenance activities, including repair and maintenance of plant and/or office building structures and equipment

+

Experience with the operation of either:

+ HVAC systems, including chillers, boilers, air handling units, VFDs, and related mechanical subsystems

+ Plumbing systems, including pumps, backflow prev enters, valves, piping networks, and associated fixtures and equipment

+ Ability to obtain and maintain a DOE Q-level security clearance

Qualifications We Desire:

+ Graduation from a recognized Journeyman Apprenticeship Program or possession of a valid Journeyman Card (HVAC or Plumbing) or graduation from an ABET-accredited college program in Mechanical Engineering, HVAC Technology, Plumbing Technology, or a related field

+ Possess a valid EPA Section 608 Universal Certification or ability to obtain within 1 year of hire

+ Possess a valid…
Position Requirements
10+ Years work experience
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