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Sr. Fire Alarms Electronics Technician - Mid Shift

Posted June 18, 2026
Full-time Mid-Senior Level

Job Overview

We have an opening for a Sr. Fire Alarms Electronics Technician. You will provide advanced technical support to functions in the maintenance, design, modify, test, repair and installation of fire alarms and emergency voice alarm systems in support of Fire and Alarms Life Safety Systems and Infrastructure. You will solve complex technical problems and exercise regular decision making using established trouble shooting techniques, guidelines, and procedures. This position may require working at Site 300 in Tracy, California.

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

You will 

  • Maintain, modify, and repair specialized Life Safety Systems and computer-controlled interfaces, specialized detection systems including fire alarm and fan control panels, fire suppression systems, emergency and general use voice systems, criticality alarms systems and refrigerant/oxygen monitors. Utilize multimeter, digital scopes, analyzers, frequency meters and other testing equipment to troubleshoot and resolve complex technical issues.
  • Set up and operate intricate systems and electronic equipment such as fire alarm and emergency voice paging systems, refrigerant monitors, data gathering panels in support of the repair and maintenance of LLNL’s Life Safety Systems and Infrastructure Systems in accordance with approved procedures.
  • Interpret specifications from complex Fire and Emergency Voice alarm blueprints, diagrams, specifications, software and systems programs, schematics, and operation/product manuals.
  • Review, interpret, write, and document Fire and Emergency Voice alarm test results to identify and resolve complex technical problems, report results, and/or recommend solutions.
  • Develop or evaluate test procedures, determine circuit requirements, and develop applications software.
  • Collect data and provide in-depth analysis and evaluation of complex technical electronics data utilizing computer-based data acquisition and controls to report results.
  • Assist in the Fire and Emergency Voice alarm design controls, engineering planning and decision process.
  • Maintain regular contact outside the work unit, including with upper management, and independently interact with scientists, engineers, and personnel of all levels.
  • Perform other duties as assigned.

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