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CRITICAL SYSTEMS TECHNICIAN III, HVAC

Reliant Critical Infrastructure
Abilene, TX Full Time
POSTED ON 5/3/2026
AVAILABLE BEFORE 7/2/2026

Join a dedicated team in Abilene, TX as a Critical Systems Technician III, HVAC, where you will play a key role in maintaining and supporting mission-critical mechanical systems for data center operations. This position offers the opportunity to lead and mentor a team of technicians, ensuring the reliability and efficiency of essential HVAC systems. The ideal candidate will bring extensive hands-on experience, technical expertise, and a commitment to operational excellence in a fast-paced, high-stakes environment.

Responsibilities

  • Serve as the lead technician for all mission-critical mechanical services and maintenance under contract.
  • Monitor and ensure compliance with contractual commitments related to mechanical systems.
  • Provide guidance, leadership, and technical knowledge regarding the installation, service, maintenance, and operation of data center HVAC equipment.
  • Independently perform preventive maintenance, troubleshooting, routine, and emergency repairs on a wide range of HVAC equipment, including air and water-cooled chillers, centrifugal and screw package chillers, natural gas boilers, unit heaters, electric duct heaters, cooling towers, and various air distribution systems.
  • Work with pneumatic, DDC, and variable frequency drive controls, as well as building automation software.
  • Maintain, upgrade, and back up building automation systems as required.
  • Supervise and mentor lower-level technicians, supporting their technical development.
  • Participate in on-call rotations and respond to after-hours assignments as needed.
  • Perform additional duties as assigned by the supervisor.
  • Maintain regular and reliable attendance.

Qualifications

  • High school diploma or GED required.
  • Completion of a basic air conditioning theory class.
  • Minimum of 7 years of large commercial HVAC service experience required; 8 years preferred.
  • Proficiency in the use of HVAC diagnostic tools and instruments.
  • Experience with DDC, pneumatic, and variable frequency drive controls.
  • Proficient in Microsoft Office or related software.
  • Ability to pass any required client background checks or training.
  • EPA Universal Certification, VA Journeyman HVAC license, and OSHA Certification are considered a plus.
  • Valid drivers license required.
  • U.S. citizenship and ability to obtain security clearance preferred.
  • Ability to lift and carry up to 50 pounds and perform physical tasks as required by the role.

Offered compensation: $35/yr - $40/yr

Experience and License Requirements
  • Clean background/drug screen
  • Commercial HVAC
  • Driver's License
  • EPA Universal Certification
  • Industrial HVAC (optional)
  • OSHA Certification
  • US Citizen

Salary : $35 - $40

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