HVAC Mechanic

Dexterra•Offutt Air Force Base, NE

11h•Onsite

About The Position

The HVAC Mechanic operates, maintains, calibrates, troubleshoots, repairs, programs, and balances real property HVAC equipment and facility-related control systems at CMI’s customer site in Omaha, Nebraska. The role supports continuous, safe, efficient, and reliable operations at mission-critical facilities, including communications and server rooms, Computer Room Air Conditioning (CRAC) units, ductwork, controls, and water-treatment components. The mechanic performs predictive, preventive, corrective, and emergency maintenance; responds to priority work orders; supports root-cause analysis; and maintains HVAC control, water-treatment, asset, and maintenance records. The position also supports 24/7 mission-essential operations, including emergency response and after-hours callout, as directed. Work must comply with applicable manufacturer requirements, Unified Facilities Criteria, ASHRAE standards, OSHA, Air Force, and site safety requirements.

Requirements

High school diploma or equivalent.
Journeyman-level HVAC qualification, license, or demonstrated equivalent experience; maintain applicable federal, Nebraska, local, and industry-required trade credentials.
At least five years of related commercial or industrial HVAC operations and maintenance experience.
Current EPA Section 608 certification appropriate for the refrigerants and equipment serviced.
Demonstrated experience troubleshooting and maintaining refrigeration systems, air handlers, CRAC units, chillers, cooling towers, boilers, pumps, motors, duct systems, and associated hydronic or refrigerant piping.
Working knowledge of DDC, EMCS, BMS, and facility-related control systems, including calibration, programming, set points, schedules, backups, alarms, and trending.
Knowledge of HVAC water treatment, corrosion control, refrigerant management, system balancing, and applicable ASHRAE, manufacturer, and Unified Facilities Criteria requirements.
Ability to use electronic work-management systems and accurately document labor, materials, assets, inspection results, equipment condition, and cause-and-remedy details.
Ability to read and interpret blueprints, as-built drawings, control diagrams, engineering specifications, equipment nameplates, and manufacturer operation and maintenance manuals.
Knowledge of and ability to comply with lockout/tagout, confined-space, fall-protection, electrical/arc-flash, hazardous-material, refrigerant, and PPE requirements; additional site safety training may be required.
Must be a U.S. citizen and able to obtain and maintain required security clearance and Government credentials, including a minimum Secret clearance and, when duties require access, Top Secret/SCI eligibility.
Strong verbal and written communication, coordination, documentation, and customer-service skills.
Ability to respond to emergencies and work independently or with multidisciplinary teams.

Nice To Haves

Commercial or industrial HVAC experience in a mission-critical, secure, or continuously operating facility.
OEM-specific certification may be required for proprietary control systems.

Responsibilities

Operate, inspect, maintain, calibrate, troubleshoot, repair, program, and balance HVAC equipment and facility-related control systems.
Maintain primary HVAC systems serving communications and server rooms, CRAC units, associated ductwork, controls, and water-treatment components.
Perform predictive, preventive, corrective, and emergency maintenance; respond to priority work orders; mitigate equipment failures; and support root-cause analyses.
Inspect, clean, repair, insulate, and balance ductwork; fabricate and install duct sections and HVAC components using approved tools and equipment, as qualified.
Install, service, and replace HVAC and refrigeration components, piping, controls, and related electrical components within authorized trade scope.
Recover, charge, and handle refrigerants in compliance with EPA Section 608 requirements; test systems for pressure, vacuum, and leaks; and submit required refrigerant reports.
Winterize air-handling equipment as required and support semiannual testing of the Collective Protection System.
Maintain DDC, EMCS, and BMS functions, including schedules, set points, setbacks, backups, alarms, trending data, and control calibration.
Support HVAC water-treatment and corrosion-control activities, including inspections, sampling, chemical treatment, minor remediation, and monthly documentation.
Use NexGen IT/TRIRIGA or the Government-designated work management system to update work orders and document labor, materials, conditions, causes, remedies, deficiencies, and follow-on work.
Maintain equipment, calibration, maintenance, warranty, and condition records; assist with asset inventories, preventive-maintenance task lists, and lifecycle condition assessments.
Read and work from drawings, blueprints, engineering specifications, manuals, control diagrams, shop sketches, and work instructions.
Follow applicable safety requirements, including lockout/tagout, confined-space, fall-protection, refrigerant-safety, electrical/arc-flash, PPE, and hazardous-material procedures.
Coordinate planned outages and work affecting controlled or HEMP-protected areas; avoid disturbing protected components and promptly report potential damage or configuration concerns.
Maintain clean mechanical rooms, protect Government property, restore work areas, and provide professional customer service while coordinating with Government representatives and contractors.
Support 24/7 mission-essential operations, emergency response, after-hours callout, and continuity during holidays, base closures, emergencies, or Government shutdowns as directed.