Data Center HVAC Start-Up Commissioning Technician

Overview: WHY COOLSYS?At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America’s Greatest Workplaces! As a large company serving diverse customers, we invest in our team with: Competitive Compensation: from $55-65/HR depending on experienceOngoing 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! General Statement of DutiesThe 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. Responsibilities: Startup & Support Commissioning & Functional Testing• Perform journey-level HVAC work in, Start-up and repair of chillers, heat pumps, air handlers, cooling towers, hydronic systems, VFD, VRF systems and control systems.• Scope of work also includes, but is not limited to leading a team, assigning work to semi-skilled workers, inspecting work of semi-skilled workers, assisting other skilled HVAC mechanics, working in varying weather, work conditions, and working 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 is performed in varying weather and working at varying heights requiring the use of ladders and under established and enforced 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. Illustrative examples of Work• 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 (ERV’s) and associated gas pack.• 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.• Attendance to training sessions on new technology as it becomes available Customer & Project Interface• Serve as on-site technical representative during commissioning.• Participate in project meetings and readiness reviews; coordinate test sequencing with project stakeholders.• Provide technical guidance to contractors and clients.• Support warranty validation and owner training. Qualifications: Desirable Education and Experience• Graduation from high school or equivalent.• 4-7+ years commercial/light-commercial HVAC experience supplemented by course work in a related trade, or an equivalent combination of education and experience. Special Requirement• Possession of a valid driver’s license.• Travel, including overnight stays during project assignments, is required.• Ability to pass pre-employment screening.• Hold a valid CFC certification.• OSHA 30 Knowledge, Skills, and Abilities• Work without direct supervision.• Deal diplomatically and effectively with customers.• Work within standards of accuracy and make decisions based on measurable criteria; and comprehend technical data.• Be physically capable of working easily and skillfully with hands, lift and carry objects, see well (either naturally or with correction,) climb and maintain balance on ladders and scaffolds, and stand, stoop, kneel, or crouch.• Have knowledge of current BOCA Code and OSHA safety regulations.• Have the ability to coordinate and perform multiple activities in a timely manner.• Have the ability to maintain a sense of urgency, but remain calm, when handling emergencies.• Thorough knowledge of the principles and techniques of the HVAC trade.• Thorough knowledge of methods, tools, parts, and equipment used in HVAC trade.• Thorough knowledge of occupational hazards and safety precautions in work area.• Thorough knowledge of diagnostic troubleshooting of HVAC equipment.• General knowledge of diagnostic troubleshooting of direct digital controls.• Ability to understand and accurately follow oral and written instructions.• Ability to read and interpret service manuals and schematics drawings.• Ability to maintain accurately routine records.• Ability to exercise the physical strength and agility necessary to perform job tasks, with a minimum of 50 lbs. lifting and carrying capacity and occasional 75 lb. lifting capacity.• Ability to establish and maintain effective working relationships with co-workers, sales engineers, and customers.• Ability to work overtime at short notice, evenings, weekends and holidays. Join Us: Today, there are 27 different companies that make up the CoolSys family of brands. Our valued employees are at the heart of our continued growth and success. We invite you to be part of that growth!  Connect with us on Facebook and X.   CoolSys is an EEO/AA Employer.  All qualified individuals - Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics are encouraged to apply.    Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions. CoolSys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance. 

Created: 2026-03-05