Data Center HVAC Start-Up Commissioning Lead​/Supervisor in Houston

Overview

Job Description

WHY COOLSYS?

At Cool Sys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees.
No wonder Newsweek named Cool Sys one of America’s Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:

• Competitive Compensation: from $50/HR+ depending on experience
• Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
• Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match.
• Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing.
• Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.

Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!

The Data Center HVAC Startup & Commissioning Technician is responsible for the startup, functional testing, commissioning, and turnover of mission-critical cooling systems in data center environments. This role ensures all mechanical cooling systems operate safely, reliably, and in compliance with design intent, manufacturer requirements. The technician works closely with project managers, controls teams, TAB contractors, and clients to deliver fully validated cooling infrastructure.

• Perform journey-level HVAC work in startup and repair of chillers, heat pumps, air handlers, cooling towers, hydronic systems, VFD, VRF systems and control systems.
• Lead a team, assign work to semi-skilled workers, inspect work, assist other skilled HVAC mechanics, and work in varying weather, work conditions, and at varying heights.
• Perform factory-authorized startup of air-cooled and water-cooled HVAC equipment.
• Verify installation meets manufacturer specifications and project drawings.
• Inspect piping, electrical, controls, and airflow prior to energization.
• Assist contractors with punch list items related to mechanical systems.
• Document pre-functional checklists (PFCs).
• Execute Level 3–5 commissioning for mission-critical cooling systems.
• Perform functional performance testing (FPT) on CRAH/CRAC units, air-cooled chillers, cooling towers, pumps and hydronic systems, economizers and control sequences.
• Validate redundancy strategies (N, N+1, N+2).
• Verify sequences of operation with BAS/EPMS teams.
• Support Integrated Systems Testing (IST).
• Work in varying weather and at varying heights, requiring the use of ladders and adherence to safety conditions.

• Documentation & Reporting:
  Complete detailed startup reports and commissioning logs; maintain deficiency and issues tracking lists; produce client-ready turnover packages; provide redline markups for as-built documentation; support MOPs, SOPs, and EOP development.

• Train semi-skilled workers in procedures and methods, use of tools, recognition of parts and other skills.
• Repair controls, control circuits, evaporators, condensers, air handlers, chillers, pumps, circulation pumps, supply lines, air compressors, steam/other regulating valves and sensors, energy recovery ventilators (ERVs) and associated gas packs.
• Supervise, participate, and inventory parts, supplies and tools on service truck.
• Clean cooling towers, replace filters, lubricate equipment, inspect and replace parts and components.
• Pick up parts and supplies from vendors, keeping accurate receipts and records on every purchase.
• Operate computerized scheduling and troubleshooting heating and cooling control system.
• Operate a variety of hand and power tools.
• Strict adherence to OSHA safety standards at all times.
• Adherence to attendance policies and participate in training sessions on new technology as it becomes available.

• Serve as on-site technical representative during commissioning.
• Participate in project meetings and readiness reviews; coordinate test sequencing with project stakeholders.
• Provide technical…