
Fire Alarm Technician
Required skills
- TS/SCI w/ Poly Clearance
- fire alarm systems
- life safety systems
- commercial
- industrial
- fire research
- fire investigation
- risk assessment
- pre-fire plans
- NFPA 72
Nice to have
- Journeyman Electrician License
- junior technical staff
- lift and carry equipment
- ladders
- scaffolding
- manlift
Role summary
Seeking a Senior Fire Alarm Technician to install, maintain, inspect, troubleshoot, and repair fire alarm and life safety systems in commercial and industrial settings. Responsibilities include system installation, routine maintenance, fault diagnosis, troubleshooting interconnected systems, electrical/fiber optic troubleshooting, and emergency response. The role also involves fire research, investigation, risk assessment, structure evaluation, and developing pre-fire plans. Requires strong knowledge of NFPA 72, fire codes, OSHA standards, electrical systems, and experience with Siemens systems. Must possess a TS/SCI w/ Poly Clearance and have excellent problem-solving and documentation skills. Preferred qualifications include NICET certification and Journeyman Electrician License.
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.
Original Posting:
September 22, 2026For 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:
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.
Sample Leidos interview questions
- 1
What are the key considerations when designing a highly available and consistent service registry?
system designmedium - 2
Buildings with an Ocean View Find all buildings that have an ocean view. Input: heights = [1,2,3,4] Output: [3] Explanation: Since the ocean is to the right, only the rightmost tallest building (index 3) is not blocked by any others.
codingmedium - 3
Merge K Sorted Linked Lists Merge K sorted linked lists. Input: lists = [[2,2,3],[1,5]] Output: [1,2,2,3,5] Explanation: Extracts the smallest current node iteratively using a priority queue to build a single merged and sorted linked list.
codingmedium - 4
Optimal Meeting Point Calculate the optimal meeting point for multiple people on a 2D grid. Input: grid = [[1,0],[0,1]] Output: 2 Explanation: The optimal meeting point is either (0,1) or (1,0), requiring exactly 1 step from each person resulting in a total distance of 2.
codingmedium - 5
Maximize the minimum distance between aggressive cows in stalls. Input: stalls = [0,4,3,7,10,9], cows = 3 Output: 4 Explanation: Placing the cows at positions 0, 4, and 10 yields a maximum possible minimum distance of 4 between any two cows.
codingmedium
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