Field Service Technician 3, HVAC

Job Summary

The Field Service Technician 3, HVAC handles the most complex mechanical service scopes independently, leads multi-technician jobs, and mentors junior technicians in the field. That means expert diagnostics and repair on chillers, cooling towers, CRAC/CRAH units, humidification, and controls. This tech sets the on-site quality and safety example and backs up the Field Superintendent on escalations, quality reviews, and workload balance. It's the last step on the technician ladder before superintendent.

Essential Functions

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Field Work Execution

• Execute the most complex service scopes independently; sequence multi-day and multi-trade work.
• Provide expert diagnostics and repair on complex mechanical plant, including chillers, cooling towers, CRAC/CRAH units, humidification, and controls. Handle the issues other technicians can't, and serve as a capable second on escalations.
• Set the on-site quality example; check own and others' work against applicable codes, manufacturer specifications, and quality standards before closeout.
• Support other technicians on difficult jobs; direct junior technicians on-site as lead technician.
• Represent Compu Dynamics professionally at every customer site, including handling sensitive situations with tact.

Site Leadership and Mentoring

• Serve as lead technician on multi-technician jobs; assign on-site tasks and keep the job sequenced and moving.
• Provide hands-on mentorship to junior technicians; coach on troubleshooting, quality, and safe practices.
• Lead job site safety reviews on multi-technician jobs; stop unsafe work and reinforce PPE and safety discipline.
• Review junior technicians' documentation for completeness before submission.
• Take a lead role in the on-call rotation and help the Superintendent balance workload when things get busy.

Materials and Job Cost Support

• Review materials against scope before mobilization; flag specification gaps to the Superintendent.
• Help identify acceptable substitute materials on-site when specified items are unavailable.
• Flag scope growth and cost impacts early; support accurate job costing.
• Maintain company-issued tools and equipment; advise on tooling needs for complex scopes.

Documentation and Communication

• Document work thoroughly so billing is accurate and the next visit goes smoothly, noting scope deviations, additional work found, and site conditions.
• Resolve routine field issues before escalation; provide clear technical detail when escalating to the Superintendent.
• Identify additional service opportunities on-site and communicate them to the account manager.

Safety and Compliance

• Perform all work in compliance with OSHA standards, company safety policies, and applicable codes.
• Maintain trade credentials current; mentor junior technicians on licensure and certification paths.
• Report safety incidents, near-misses, and hazards to the Superintendent immediately; support incident follow-up.

Qualifications and Skills

• Expert-level HVAC skills on complex commercial and critical-environment cooling equipment.
• Proven ability to lead and sequence multi-technician, multi-day jobs.
• Strong diagnostic ability across refrigeration, airside, and controls systems.
• Strong coaching and mentoring skills; leads without formal authority.
• Documentation thorough enough to support accurate billing and a reliable job history.

Required Education and Experience

• High school diploma or equivalent.
• 5+ years of field experience in commercial HVAC systems, including experience leading work on-site.
• EPA 608 Universal certification required; NATE or manufacturer certifications preferred.
• OSHA 10 certification required; OSHA 30 preferred.
• Valid driver's license.
• Experience with data center or critical environment cooling strongly preferred.

Success Factors and Company Values

• Professionalism: Sets the professional example for the crew on every site.
• Exceeding Expectations: Helps the people around them get better and pushes field quality higher.
• Mutual Respect: Coaches without talking down to people and keeps multi-tech jobs feeling collaborative.
• Integrity: Insists on honest documentation and straight talk about scope, from self and crew alike.
• Safety: Leads by example on safety and reinforces safe habits in junior techs.

Work Environment and Physical Demands

Field-based. Daily travel to customer sites across the service region. Work environments include mechanical rooms, electrical rooms, data centers, rooftops, and commercial facilities. Physical demands include lifting up to 50 pounds, climbing, working in confined spaces, and extended periods of standing. Participation in the on-call rotation, including occasional nights, weekends, and holidays, is required.