Service Technician IV

Rogers Mechanical Contractors • Lake Mary, FL

3d

About The Position

The Mission Critical Technician IV is an expert-level HVAC technician responsible for executing advanced diagnostic, service, and maintenance work on highly complex commercial and mission-critical systems. This role requires deep technical knowledge, consistent quality of work, and strict adherence to safety, efficiency, and operational standards. While not a leadership position, Technician IV is expected to operate independently and serve as a highly skilled field resource on challenging job sites.

Requirements

• Strong understanding of HVAC theory, refrigerant cycles, heat pumps, electrical components, and air distribution systems.
• Familiarity with critical cooling infrastructure (e.g., chilled water systems, hot aisle/cold aisle containment).
• Competency in leak detection, evacuation, recovery, charging, and performance testing.
• Proficient in working with centrifugal pumps, BAS systems, and system controls.
• Ability to work independently in high-pressure environments and consistently deliver quality results.
• Excellent attention to detail, time management, and problem-solving skills.
• High School Diploma required, technical school preferred.
• Minimum of 8–10 years of commercial HVAC experience, with at least 3 years in mission-critical settings preferred.
• OSHA 10 required; OSHA 30 preferred.
• EPA Universal Certification required.
• Valid Driver’s License and clean driving record.
• Lift up to 75 lbs and work in a standing position for extended periods.
• Bend, kneel, crawl, and work in tight or overhead spaces.
• Work at heights using ladders or lifts.
• Comfortable working in varied indoor/outdoor conditions.
• Use of full PPE when required, including gloves, respirators, and hearing protection.

Responsibilities

• Perform advanced troubleshooting, repairs, and diagnostics on mission-critical HVAC systems, including chillers, CRAC units, boilers, VFDs, split systems, and BAS interfaces.
• Execute complex service and maintenance procedures with minimal supervision, often in live and sensitive environments such as data centers.
• Interpret mechanical drawings, wiring diagrams, and submittals to ensure accurate installation and repair of systems.
• Accurately document work performed, parts used, and recommendations for future service in digital work order systems.
• Maintain compliance with all safety protocols, PPE usage, and company standards for workmanship and jobsite conduct.
• Coordinate with internal teams and occasionally interface with customers to communicate job status and technical findings.
• Support startup and commissioning efforts for new systems when assigned.
• Ensure tool and equipment care and adherence to all field protocols.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED
• Number of Employees: 101-250 employees