Maintenance Mechanic II - HVAC, BAS & Critical Systems

University Corporation for Atmospheric Research (UCAR); Boulder (CO); Hybrid; USD 73,000 - 91,000; Full time

Benefits offered by this job

Medical, Dental, Vision, and Short &/s

Retirement plan

Time Off Plans

20 days PTO

10 paid holidays

12 weeks parental leave

FAMLI Leave

Tuition Assistance Program

PSLF eligible employer

Job summary

UCAR is seeking a Maintenance Mechanic II to install, maintain, troubleshoot, and operate commercial HVAC, refrigeration, plumbing, and boiler systems across multiple UCAR facilities. The role requires independent problem solving, BAS proficiency, and the ability to guide junior staff.

You will participate in after-hours on-call rotations, contribute to safety and documentation, and support small projects while ensuring critical facility operations remain uninterrupted.

Qualifications

• High school diploma or equivalent required.
• Completion of HVAC/mechanical tech program, apprenticeship, or equivalent.
• 6+ years of progressive mechanical maintenance experience in commercial facilities.
• Experience with critical facility HVAC systems and infrastructure.
• Demonstrated ability to troubleshoot, maintain, and repair HVAC and mechanical systems.
• Experience with boilers, hydronic systems, pumps, and related controls.
• Experience using BAS for monitoring and troubleshooting.
• Valid Colorado Driver's License and driving record per UCAR requirements.
• EPA Section 608 certification appropriate for assigned refrigeration work.

Responsibilities

• Install, maintain, troubleshoot, repair, and operate commercial HVAC, refrigeration, plumbing, hydraulic, steam, and boiler systems.
• Diagnose equipment failures using troubleshooting methods, data, and field measurements.
• Maintain air handling units, RTUs, pumps, motors, valves, heat exchangers, coils, and refrigeration equipment.
• Perform preventive and predictive maintenance per schedules and manufacturer guidance.
• Monitor BAS alarms, trends, setpoints, and parameters to diagnose issues.
• Coordinate with Controls, Electrical, Engineering, and contractors for complex problems.
• Support refrigeration service in line with EPA requirements and UCAR procedures.
• Participate in on-call rotations and after-hours emergencies.

Skills

HVAC systems

BAS knowledge

Boilers & Hydronic

Troubleshooting

EPA 608

Colorado DL

Refrigeration

Pumps & Valves

Safety procedures

Education

High school diploma or equivalent

HVAC trade school or apprenticeship

EPA 608 certification

Tools

BAS platforms

Siemens Desigo CC

CMMS

Job description

UCAR is seeking a Maintenance Mechanic II to install, maintain, troubleshoot, and operate commercial HVAC, refrigeration, plumbing, and boiler systems across multiple UCAR facilities. The role requires independent problem solving, BAS proficiency, and the ability to guide junior staff.

You will participate in after-hours on-call rotations, contribute to safety and documentation, and support small projects while ensuring critical facility operations remain uninterrupted.