Position Summary:
We are seeking a highly skilled Critical Environment Master HVAC Technician to join our growing Critical Facilities team. This position is responsible for maintaining, troubleshooting, repairing, and optimizing complex mechanical systems that support mission-critical facilities operating 24/7/365.
The ideal candidate is a subject matter expert in critical cooling infrastructure and possesses extensive experience maintaining HVAC systems in environments where uptime, reliability, and safety are paramount. This individual will play a key role in ensuring continuous operation of mechanical systems while adhering to strict maintenance procedures, safety protocols, and customer service standards.
Key Responsibilities
Perform preventive, predictive, and corrective maintenance on mission-critical HVAC and mechanical systems.
Diagnose and repair complex HVAC, refrigeration, and hydronic system issues with minimal downtime.
Support commissioning activities for new mechanical installations and retrofits.
Read and interpret mechanical drawings, P&IDs, sequence of operations, and control diagrams.
Conduct root cause analysis (RCA) following equipment failures and recommend long-term corrective actions.
Develop and execute Maintenance Operating Procedures (MOPs), Standard Operating Procedures (SOPs), and Emergency Operating Procedures (EOPs).
Monitor equipment performance using Building Management Systems and trend data.
Respond to emergency service calls while maintaining uptime requirements.
Coordinate with electrical, controls, engineering, and operations teams during maintenance activities.
Mentor junior technicians and provide technical leadership during complex repairs.
Ensure all work complies with OSHA, EPA, NFPA, ASHRAE, and company safety standards.
Maintain accurate maintenance records utilizing CMMS software.
Strictly adhere to customer and company safety and security protocols throughout the conduct of job responsibilities
Maintain and troubleshoot:
Chilled Water Systems
Air-Cooled Chillers
Water-Cooled Chillers
Cooling Towers
Fluid Coolers
CRAC Units
CRAH Units
In-Row Cooling Systems
Rear Door Heat Exchangers
DX (Direct Expansion) Systems
Pumps and Variable Frequency Drives (VFDs)
Heat Exchangers
Building Automation Systems (BAS/BMS)
Required Qualifications
High School Diploma or GED (Technical Degree preferred)
EPA Universal Refrigeration Certification
Minimum 10+ years of commercial or industrial HVAC experience Preferred
Minimum 3 years supporting mission-critical facilities or data centers
Strong electrical troubleshooting skills up to 480V (preferred)
Experience working with redundant N+1 and 2N cooling systems
Ability to read blueprints, schematics, and sequence of operations
Proficient with computerized maintenance management systems (CMMS)
Strong written and verbal communication skills
Strong sense of customer service and proactive communication
Advanced knowledge of:
Mechanical refrigeration cycles
Chilled water systems
Psychrometric Properties
Hydronic systems
HVAC controls
BAS/BMS platforms
Preferred Qualifications
Journeyman or Master HVAC Certification
HVAC Trade School Certification
Experience supporting Tier III or Tier IV Data Centers
Knowledge of ASHRAE Thermal Guidelines for Data Processing Environments
Familiarity with server liquid cooling technologies, including direct-to-chip and liquid immersion cooling, is considered a plus.
Experience with commissioning and retro-commissioning
OSHA 30 Certification
NFPA 70E Training
Experience working in live critical environments
Experience with:
Schneider Electric
Vertiv
Stulz
Liebert
Trane
Carrier
Daikin
Johnson Controls
Siemens
Honeywell Controls
Technical Skills
Advanced HVAC Diagnostics
Refrigeration Systems
Mechanical Controls
BAS/BMS Programming & Monitoring
VFD Troubleshooting
Pump Alignment
Cooling Tower Maintenance
Chiller Optimization
Hydronic Balancing
Root Cause Analysis
Predictive Maintenance Technologies
Infrared Thermography
Vibration Analysis
Energy Efficiency Optimization
Core Competencies
Safety First Mindset
Critical Thinking
Problem Solving
Customer Focus
Team Leadership
Strong Communication Skills
Attention to Detail
Time Management
Decision Making Under Pressure
Continuous Improvement
Professionalism
Physical Requirements
Ability to lift up to 75 pounds
Ability to climb ladders and work on rooftops
Ability to work in hot, cold, and confined spaces
Ability to stand and walk for extended periods
Ability to participate in an on-call rotation
Ability to travel up to 25%
Why Join Our Team?
Competitive Salary
Annual Performance Bonus
Company Vehicle (where applicable)
Medical, Dental, and Vision Insurance
401(k) with Company Match
Paid Time Off
Tuition Reimbursement
Ongoing Technical Training
Career Advancement Opportunities
Opportunity to work in some of the most advanced mission-critical facilities in the industry
Ideal Candidate Profile
The successful candidate is an experienced HVAC professional who thrives in high-performance environments where reliability is non-negotiable. They possess deep technical expertise in critical cooling infrastructure, excel under pressure, and are passionate about maintaining the systems that keep today's digital infrastructure running. They demonstrate leadership, sound judgment, and a commitment to operational excellence while mentoring others and continuously improving facility performance.