Pre-action systems jobs

Critical Operations Technician

STACK Infrastructure · Posted Nov 2, 2026

Open

Elk Grove Village, Illinois, United States
$40–$58 per hour
3–5 years

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Critical Operations Technician

STACK Infrastructure · Posted Nov 2, 2026

Open

Elk Grove Village, Illinois, United States
$40–$58 per hour
3–5 years

Apply with Referso

Critical Operations Technician

STACK Infrastructure · Posted Oct 19, 2026

Open

San Jose, California, United States
On-site
Full-time
$48–$68 per hour
3–5 years

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Support a local data center campus by maintaining mechanical, electrical, fire life safety, base building, and other internal data center systems.

Compensation

The hourly rate a candidate will be offered will be commensurate to how their skills and experience align to those roles... Compensation Range: $48.00 - $67.50

Responsibilities

Implement and follow the standardized culture of always working safely across all STACK data centers
Operate, monitor, maintain, and respond to abnormal conditions in facilities systems (Electrical, Mechanical, Building Monitoring, and Control)
Tracking and trend operational characteristics
Provide feedback to management on the effectiveness of existing standards and processes
Work with the Critical Operations Manager to complete an aggressive preventive and predictive maintenance schedule

Requirements

High school diploma or equivalent
Bachelor’s Degree or equivalent work experience (preferred)
Nice to have: United States Navy Nuclear Engineering

Skills

Knowledge of electrical and mechanical systems UPS Transformers

Fire Alarm Inspector 4

M.C. Dean, Inc · Posted Jun 23, 2025

Open

Arlington, Virginia, United States
On-site
Full-time · Senior
$38–$42 per hour
6+ years

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The Fire Alarm Inspector 4 represents the highest level of technical expertise and leadership in inspections, testing and preventive maintenance of fire alarm systems. This is a senior position within the testing team, responsible for leading complex projects, providing strategic guidance, and mentoring junior technicians.

Compensation

Pay Range USD $38.00 - USD $42.00 /Hr.

Responsibilities

Lead and manage all aspects of fire alarm system inspection, testing and preventive maintenance.
Provide expert-level diagnostics and solutions for challenging technical issues in fire alarm systems to maintain optimal functionality.
Oversee and conduct testing of all types of interconnected systems, including sprinkler and pre-action systems, ensuring compliance with NFPA 72 and other applicable codes
Develop and implement advanced maintenance strategies, system upgrades, and enhancement plans to optimize system performance.
Mentor and guide junior technicians, developing training plans and conducting training sessions on various aspects of fire alarm systems.

Requirements

High school diploma
Technology Degree
Nice to have: NICET III in Fire Alarm

Skills

NICET Fire Alarm Systems Level II NICET Inspection and Testing of Fire Alarm Systems II

Special Hazards Technician

Pye-Barker Fire & Safety · Posted Nov 6, 2026

Open

Houston, Texas, United States
3+ years

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Special Hazards Technician responsible for installation, commissioning, inspection, testing, and repair of engineered fire suppression systems.

Responsibilities

Install, program, commission, inspect, test, and repair fire suppression and detection systems including clean agent, CO2, foam, and pre-action systems.
Install conduit, wiring, piping, and system components in accordance with project specifications and code requirements.
Read and interpret blueprints, schematics, submittals, and technical specifications to execute work accurately.
Identify system deficiencies, code violations, and operational issues, and perform corrective actions.
Complete detailed inspection reports, test documentation, and project close-out records.

Requirements

High school diploma or equivalent

Skills

installation programming commissioning inspection testing repairing

Fire Sprinkler Service Technician

Firetrol Protection Systems · Posted Nov 5, 2026

Open

Schertz, Texas, United States +1 more

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Fire Sprinkler Service Technician

Locations (2)

Schertz, Texas, United States
San Antonio, Texas, United States

Responsibilities

Perform service work on wet, dry, and pre-action sprinkler systems
Manage job and helper teams
Use trade appropriate tools for pipe fitting
Read fire system design drawings
Train others in tool use

Skills

Wet sprinkler systems Dry sprinkler systems Pre-action systems Backflow Fire pumps NFPA 13 NFPA 20 NFPA 24 Read design drawings Job management Tool proficiency Training Trade appropriate tools

Benefits

Health insurance
Dental insurance
Vision insurance
Life insurance
Short-term disability

See full job description

Critical Operations Technician I

STACK Infrastructure · Posted Nov 4, 2026

Open

Plano, Texas, United States
On-site
Full-time · Entry
1–3 years

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The Critical Operations Technician (COT) supports a local data center campus, maintaining mechanical, electrical, fire life safety, base building, and internal data center systems.

Compensation

competitive compensation package

Responsibilities

Maintain and repair chilled water systems and components
Maintain and repair HVAC systems such as roof-top units, CRAC/CRAH units, humidification systems, fan wall systems, air-cooled chillers, and central plant operations
Maintain and repair electrical/critical power distribution from Utility/Generator main switchgear through UPS systems, PDU, and RPP cabinets
Monitor wet sprinkler systems and pre-action sprinkler systems and associated detection devices
Operate, monitor, maintain, and respond to abnormal conditions in facilities systems (Electrical, Mechanical, Building Monitoring, and Control)

Requirements

High school diploma or equivalent
Bachelor’s Degree or equivalent work experience (preferred)
Nice to have: Data center trending and analysis
Nice to have: Technical writing

Skills

Data center operations Microsoft Office applications