HVAC Service Technician III-IV, Mission Critical Services

Aircond Corporation•Richmond, VA

7d•Onsite

About The Position

The HVAC Service Technician Class III-IV, Mission Critical Services is a fully independent and highly skilled service professional responsible for maintaining, troubleshooting, and repairing mission critical HVAC systems within data center environments. This role requires advanced knowledge of commercial and industrial HVAC systems, electrical controls, refrigeration systems, and critical cooling infrastructure. Technicians are expected to independently diagnose complex equipment issues, respond to emergency situations, and ensure optimal uptime and performance of sensitive computing environments. This position works with minimal supervision and serves as a trusted technical resource for complex service, maintenance, and repair activities involving data center HVAC infrastructure.

Requirements

High School Diploma, GED required.
EPA Section 608 Universal Certification required.
A minimum of 4 years of commercial HVAC service experience required.
Excellent troubleshooting and problem solving skills.
Strong customer service, communication, and organizational skills.
Ability to maintain positive working relationships with customers, contractors, and internal stakeholders.
Ability to travel and work overtime as required.

Nice To Haves

Technical or Trade School graduate preferred.
Journeyman HVAC License or equivalent demonstrated experience preferred.
Experience working with mission critical, data center, healthcare, pharmaceutical, industrial, or similarly critical environments strongly preferred.
Data Center or Mission Critical Facility certifications preferred.

Responsibilities

Perform preventative and predictive maintenance on mission critical HVAC systems, including chillers, CRAH units, CRAC units, pumps, cooling equipment, air handling systems, and associated controls.
Inspect equipment, monitor system performance, verify operating conditions, and identify potential reliability concerns before failures occur.
Replace worn or malfunctioning components, including motors, fans, sensors, VFDs, valves, control boards, and other mechanical or electrical components.
Perform startup, commissioning support, testing, and operational verification of HVAC equipment and systems.
Diagnose complex HVAC system malfunctions using advanced troubleshooting techniques, system performance analysis, control sequences, and diagnostic tools.
Perform electrical troubleshooting on motors, control circuits, VFDs, sensors, relays, contactors, and HVAC control systems.
Analyze system pressures, temperatures, airflow patterns, electrical measurements, and operating data to identify root causes of equipment failures.
Respond quickly to system alarms and critical equipment failures to minimize operational disruption and downtime.
Perform complex repairs on HVAC, refrigeration, and control systems while maintaining data center operational requirements.
Maintain and troubleshoot critical cooling infrastructure supporting data center operations.
Work with redundant cooling systems and understand the operational requirements associated with maintaining uninterrupted environmental conditions.
Support operation and maintenance of chilled water systems, pumping systems, CRAC/CRAH equipment, precision cooling equipment, and associated mechanical systems.
Ensure all work activities are performed in accordance with site operating procedures and critical environment requirements.
Utilize Building Automation Systems (BAS), Building Management Systems (BMS), and related monitoring platforms to evaluate system performance and identify potential issues.
Analyze trend data, operating parameters, alarm history, and equipment performance metrics to optimize reliability and efficiency.
Document findings, repairs, maintenance activities, and recommendations in service reports and work management systems.
Identify opportunities for operational improvements, energy efficiency, and system reliability enhancements.
Adhere to all safety procedures related to refrigerants, rotating equipment, lockout/tagout, and work on energized electrical systems.
Follow all customer, company, and regulatory requirements related to mission critical facilities and HVAC operations.
Maintain accurate service documentation and compliance records.
Participate in emergency response activities and on-call rotation as required.
Execute other related duties as needed or assigned to support evolving business priorities.