We are seeking a skilled Senior Fire Alarm Technician to install, maintain, inspect, troubleshoot, and repair fire alarm and life safety systems in commercial and industrial environments. This role also supports fire research, investigation, and risk assessment projects, including evaluating structures and developing pre-fire plans.
The ideal candidate has deep technical expertise in fire alarm systems, strong knowledge of fire codes and standards, and the ability to independently manage complex projects while collaborating with internal teams, clients, and other trades.
Primary Responsibilities
Install new fire alarm systems in accordance with design specifications, manufacturer guidelines, and applicable codes
Perform routine inspections, testing, and preventive maintenance to ensure system reliability and code compliance
Diagnose and repair system faults involving control panels, detectors, notification devices, power supplies, batteries, and communication circuits
Utilize advanced troubleshooting techniques for fire alarm and life safety systems, including VESDA systems
Troubleshoot interconnected systems such as HVAC shutdowns, smoke dampers, fire doors, and other integrated life safety components
Collaborate with other tradespeople and contractors on site to coordinate work.
Perform electrical and fiber optic troubleshooting, including ground faults and communication issues
Respond promptly to emergency service calls for system failures or false alarms
Conduct fire research, fire investigations, and fire risk assessments
Perform detailed assessments and analyses of structures and fire protection systems
Develop and maintain pre-fire plans and fire safety documentation
Analyze data and inspection results to identify risks and recommend mitigation strategies
Test system components and accurately document inspections, test results, deficiencies, and repairs
Ensure compliance with NFPA 72, local and national fire codes, building codes, and OSHA safety standards
Maintain accurate records of inspections, maintenance activities, repairs, and corrective actions
Stay current on industry standards, codes, and emerging technologies related to fire alarm and fire protection systems
Work independently with significant impact on operational results and project deliverables
Basic Qualifications
TS/SCI w/ Poly Clearance is required
High school diploma or equivalent (technical training or certification in fire alarm systems preferred)
Proven experience as a Fire Alarm Technician or in a related electrical/low-voltage field
Strong knowledge of NFPA 72, local fire codes, and OSHA safety standards
Hands-on experience installing, inspecting, and troubleshooting fire alarm systems
Working knowledge of electrical wiring, circuitry, schematics, and low-voltage systems
Experience troubleshooting Siemens Fire XLS and Siemens Desigo systems
Understanding of preventive maintenance activities
Ability to safely use testing equipment, hand tools, and diagnostic instruments
Excellent problem-solving, documentation, and communication skills
Ability to work independently and as part of a team
Preferred Qualifications
NFPA Certification
NICET Fire Protection Certification
Journeyman Electrician License
Experience mentoring or reviewing work of junior technical staff
Ability to lift and carry equipment up to 50 lbs.
Comfortable working on ladders, scaffolding, and in various environmental conditions.
Willingness to occasionally operate and work from manlift to 40 feet
EC-DAS
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
July 20, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range -
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
