Senior HVAC / Mechanical Systems Technician (CRRC)

Core Government Services Corporation; Kearneysville (WV); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Insurance

Flex Spending Account options

Disability insurance coverage options

401(k) Traditional and Roth

Paid federal holidays

PTO

Financial advisory services

Access to 2,000+ education courses

Job summary

Core Government Services is seeking an experienced Senior HVAC/Mechanical Systems Technician to maintain and optimize thermal management and mechanical systems supporting the VA CRRC in Martinsburg, WV.

The role focuses on preventive maintenance, emergency troubleshooting, and repairs of data center cooling infrastructure, including central chillers, CRAH/CRAC units, chilled water systems, and glycol loops.

Qualifications

• EPA Universal Section 608 Certification is required.
• Minimum five years of commercial or mission-critical HVAC experience.
• Experience troubleshooting centrifugal/screw chillers and CRAH/CRAC systems.
• Ability to read mechanical drawings, P&IDs and control wiring schematics.
• Current OSHA 10-Hour Safety Certification and NFPA 70E familiarity.
• U.S. Citizenship and ability to pass VA background check and obtain VA PIV badge.

Responsibilities

• Maintain, troubleshoot, and repair mission-critical HVAC systems to ensure stable temperature, humidity and airflow.
• Perform preventive maintenance and major overhauls on chillers, CRAH/CRAC units, pumps, VFDs and glycol loops.
• Monitor environmental parameters via BMS and verify sequences of operation.
• Replace filters, clean coils, adjust belts, lubricate bearings, check refrigerant leaks and sample oil/water.
• Diagnose complex failures and perform rapid repairs within contract timelines.
• Maintain refrigerant logs compliant with EPA 608 and enter detailed work orders and requisitions.
• Coordinate with factory service providers for specialized overhauls and warranty work.

Education

EPA Universal Section 608 Certification

OSHA 10-Hour Safety Certification

U.S. Citizenship clearance for VA background check

Tools

BMS/EcoStruxure

P&IDs and mechanical drawings

Job description

Core Government Services (CGS) company is seeking an experienced Senior HVAC / Mechanical Systems Technician to maintain and optimize the thermal management and mechanical systems supporting the VA Capital Region Readiness Center (CRRC) in Martinsburg, WV.

The Senior HVAC Technician will be responsible for preventive maintenance, emergency troubleshooting, overhaul, and repair of critical data center cooling systems, including central chillers, dry coolers, Computer Room Air Handler (CRAH) units, chilled water pumping systems, glycol loops, and rooftop air handling units.

Responsibilities:

• Maintain, troubleshoot, and repair mission-critical commercial HVAC systems, ensuring uninterrupted temperature, humidity, and airflow control across the data center floor and administrative spaces.
• Perform scheduled preventive maintenance inspections and major overhauls on chillers, dry coolers, CRAH/CRAC units, pumps, variable frequency drives (VFDs), valves, and glycol loops in accordance with OEM guidelines.
• Monitor and verify environmental operating parameters via the building management system (BMS/EcoStruxure) and execute sequence of operations reviews.
• Perform filter replacements, coil cleanings, belt adjustments, bearing lubrications, refrigerant leak checks, and oil/water quality sampling.
• Diagnose complex refrigeration, electrical control, and mechanical failures, executing rapid repairs within contract response timelines.
• Maintain accurate refrigerant recovery and usage logs in full compliance with EPA Section 608 regulations.
• Enter detailed work orders, equipment condition assessments, and material requisitions into the CMMS.
• Coordinate closely with factory-authorized service providers during specialized chiller overhauls and proprietary warranty work.

Required Education and Experience:

• EPA Universal Section 608 Certification.
• Minimum five (5) years of commercial or mission-critical HVAC experience supporting facilities comparable in size and complexity to the CRRC.
• Proven experience troubleshooting and maintaining centrifugal/screw chillers, chilled water piping circuits, and close-tolerance computer room air conditioning systems.
• Ability to read and interpret mechanical drawings, P&IDs, control wiring schematics, and manufacturer technical manuals.
• Current OSHA 10-Hour Safety Certification and familiarity with NFPA 70E safety practices.
• Must be a U.S. Citizen able to pass a VA background check (e-QIP / SF-85P) and receive a VA PIV badge.

Preferred Education and Experience:

• Journeyman or Master HVAC/Mechanical License.
• Factory training/certification on major chiller and CRAH platforms (e.g., Liebert/Vertiv, Trane, York, Carrier).
• Experience working with computerized Building Management Systems (Schneider EcoStruxure, Andover Continuum).
• Formal training in hydronic balancing and vibration analysis.

Working Conditions:

Inside Government 24/7/365 mission-critical data center and utility plant facilities in Martinsburg, WV.

Work Schedule:

Monday through Friday, 0800–1630, with 24/7 on-call escalation availability for emergencies and major maintenance evolutions.

Required Travel:

Minimal (<5%)

Job Type:

Full-Time, Non-Exempt (SCA-aligned / Prevailing Wage Determination applicable)

Contract Length:

5-Year Multi-Year BPA / Base Period + Option Years

Benefits and unique perks offered, but not limited to:

• Medical, Dental, and Vision Insurance options
• Flex Spending Account options
• Disability insurance coverage options
• 401(k) Traditional and Roth account options
• Company paid time off on (11) Federal Holidays
• Company paid time off (PTO)
• Premium financial advisory services
• Over 2,000 free education courses for our employees

Core Government Services is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to disability, protected veteran status, or any other status protected by applicable law.

All employees are required to agree to a background check.