Company: Temperature Testing Technologies (T3)
Location: Chester County, Pennsylvania (Travel Required)
Job Type: Full-Time
Compensation: $55-$65K annually + company vehicle + travel expenses
Temperature Testing Technologies (T3) is a growing American manufacturer and service provider of environmental test chambers and thermal testing systems. We support customers across industries including aerospace, robotics, energy storage, automotive, electronics, medical devices, and advanced manufacturing.
At T3, we focus on delivering responsive customer support, customized engineering solutions, and shorter lead times without compromising quality. Our field service team plays a critical role in helping customers keep mission-critical test equipment operating reliably.
T3 is seeking a skilled and motivated Field Service Technician based in or near Chester County, PA to support installation, maintenance, troubleshooting, and repair of environmental test chambers and related thermal systems throughout the Northeast region.
This position is ideal for someone with strong refrigeration, electrical, and mechanical troubleshooting skills who enjoys travel, problem-solving, and working directly with customers in high-tech industrial environments.
· Diagnose and repair environmental test chambers, thermal systems, refrigeration systems, and control systems
· Perform preventative maintenance, calibration support, and system inspections
· Troubleshoot electrical systems including low voltage controls and 3-phase power
· Perform refrigerant recovery, evacuation, charging, and leak checking
· Read and interpret wiring diagrams, schematics, and refrigeration prints
· Install and commission new equipment at customer facilities
· Train customers on equipment operation and basic maintenance
· Complete detailed service reports, documentation, and expense reporting
· Coordinate with T3 engineering and project teams to resolve technical issues
· Maintain professional communication and customer relationships while on-site
· Support emergency service calls and scheduled field assignments
· High school diploma or GED required
· Trade school, HVAC/R certification, or technical degree preferred
· 3–5+ years of experience in industrial HVAC, refrigeration, electrical, environmental chambers, or related equipment preferred
· EPA refrigerant certification preferred
· Strong electrical troubleshooting skills
· Experience working with:
o Electrical controls and instrumentation
o PLCs or chamber controllers is a plus
o Refrigeration systems, HVAC
o Compressors, pumps, valves, and fans
· Ability to read electrical and refrigeration schematics
· Comfortable using hand tools, meters, gauges, and diagnostic equipment
· Strong communication and customer service skills
· Ability to travel across the country and occasionally internationally.
· Environmental test chambers
· Thermal shock chambers
· Walk-in chambers
· Industrial chillers
· Cascade refrigeration systems
· PID controllers and data acquisition systems
· Calibration or validation support
· Ability to lift up to 50 lbs
· Comfortable climbing ladders and working around industrial equipment
· Ability to stand, kneel, crouch, and work in mechanical environments
· Valid driver’s license and clean driving record required
· Fast-growing company with advancement opportunities
· Work on highly customized and technically challenging systems
· Direct impact on customer success and company growth
· Collaborative, small-team environment where your contributions matter
· Company-provided tools and service vehicle (where applicable)