Senior Field Service Technician
$35,000–$45,000 year
On-siteWebster, New York, United States
Job Summary
Conduct on-site installation, commissioning, and break-fix support for OptiCool refrigerant-based liquid cooling systems in mission-critical data centers. Diagnose mechanical, electrical, and refrigerant-side issues while executing emergency restoration and preventive maintenance inspections. Perform refrigerant best practices including evacuation, leak testing, and charging, then document all work and readings for customer and engineering use. Provide remote triage and 24/7 on-call escalation support for BMS monitoring and alarm interpretation. Deliver technical training to customers and partners, mentor contractors, and interface with engineering teams to drive reliability improvements and design-for-service feedback.
Required Qualifications
- 7+ years of progressive field service experience in HVAC/R, mission-critical cooling, or closely related equipment service
- EPA Section 608 Universal (or ability to obtain within 60 days)
- strong refrigerant-side fundamentals (leak testing, evacuation, charging/recovery)
- Demonstrated experience working in mission-critical environments (data centers, telecom, fabs, labs, hospitals, etc.) with strong safety and change-management discipline
- Strong mechanical and electrical troubleshooting ability (motors, VFDs, sensors, relays, power distribution basics)
- Ability to read P&IDs/schematics, wiring diagrams, and installation drawings; comfortable capturing and reporting measurements
- Comfort with controls/BMS interfaces and basic networking concepts; able to support alarm interpretation and integrations
- Excellent customer communication and documentation skills; able to write clear field reports and service summaries
- Valid driver's license
- ability to pass background checks as required by customer sites
- passport eligible for international travel
- Travel: ~40–65% (including occasional short-notice travel and after-hours work)
- On-call: Participation in a rotating 24/7 support schedule
- Ability to lift and move equipment and tools (team lifts as required)
- ability to stand, kneel, climb ladders, and work in tight spaces
- Ability to work after-hours/weekends during commissioning windows or emergency response periods
Desired Qualifications
- Experience supporting refrigerant-based precision cooling, pumped refrigerant loops, or two-phase thermal systems
- Experience with copper piping practices (including brazing), pressure testing, and cleanliness practices appropriate for refrigerant systems
- Familiarity with data center procedures (MOP/SOP/EOP), commissioning, and service SLA execution
- Experience delivering technical training to customers/partners and mentoring junior technicians
- Experience with FSM/ticketing tools and asset/service record management
- NFPA 70E / OSHA 10/30 and/or other relevant safety credentials
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