Liquid Cooling Technician

Job Title

Liquid Cooling Technician

Job Description Summary

The Liquid Cooling Technician supports the operation, maintenance, and reliability of liquid cooling systems in mission-critical data centers. This role performs preventive, predictive, and corrective maintenance on coolant distribution units, rear-door heat exchangers, immersion cooling systems, and related rack-level infrastructure. The technician helps maintain system integrity, thermal performance, and uptime through disciplined execution, accurate documentation, and timely escalation of abnormal conditions. Working with the Liquid Cooling Lead, Operations, and Reliability Engineering teams, this position supports safe, reliable cooling for high-density compute environments.

Job Description

• Perform PM, PdM, and corrective maintenance on liquid cooling equipment, including CDUs, pumps, valves, piping, RDHx, immersion systems, and rack-level components.
• Inspect systems for flow rate, differential pressure, supply and return temperatures, and operating balance against established standards.
• Support isolation, draining, flushing, and refilling of coolant loops while preventing air intrusion and contamination.
• Assist with system startup, shutdown, sequencing, and stabilization activities.
• Identify and escalate leaks, flow restrictions, pressure anomalies, and thermal performance issues in accordance with site procedures.
• Support coolant quality checks, including sample coordination, contamination monitoring, and reporting of abnormal conditions.
• Perform approved valve operations and loop reconfigurations without disrupting active cooling loads.
• Follow SOPs, MOPs, and EOPs to ensure maintenance work is completed within defined risk controls.
• Record maintenance work, inspections, and observations in the CMMS with accurate and complete asset information.
• Conduct system rounds to assess physical condition, vibration, connections, seals, hoses, and insulation integrity.
• Verify post-maintenance performance by confirming stable temperatures, balanced flow, and appropriate pressure conditions.
• Assist vendors during maintenance, commissioning, and upgrades while ensuring compliance with site standards.
• Support commissioning and recommissioning by verifying flow, temperature performance, and system operation.
• Maintain cleanliness and contamination control standards during hose handling, connection work, and fluid exposure activities.
• Inspect fittings, couplings, quick connects, and sealing interfaces to prevent leaks and mechanical failures.
• Monitor liquid cooling alarms and perform initial diagnostics and response actions.
• Support emergency response for leaks, pressure loss, and cooling degradation events.
• Identify early signs of system degradation and communicate findings to the Lead and Reliability teams.
• Maintain readiness of tools, PPE, and spare parts required for liquid cooling maintenance.
• Provide field feedback to support continuous improvement, maintainability, and failure trend analysis.

Requirements

• 2–5 years of experience with mechanical, hydronic, cooling, or related infrastructure systems.
• Experience with liquid cooling, piping, or critical facility systems preferred.
• Working knowledge of flow, pressure, temperature, and heat transfer fundamentals.
• Ability to follow SOPs, MOPs, and EOPs in a critical environment.
• CMMS experience preferred.
• Strong troubleshooting, inspection, and documentation skills.
• Ability to support 24/7 operations, shift schedules, and emergency response as needed.
• Demonstrated commitment to safety, quality, and contamination control practices.

Additional Information

Cushman & Wakefield offers eligible employees a comprehensive benefits package that may include health, vision, and dental insurance; flexible spending and health savings accounts; retirement savings plans; life and disability insurance; and paid or unpaid time away from work. Eligible employees may also receive competitive pay based on factors such as location, hire date, hours worked, job type, business line, and applicable collective bargaining agreements.

Final compensation will be determined by factors including collective bargaining coverage, work location, market rates, and the candidate’s experience and qualifications.

C&W Services is an Equal Opportunity Employer, including protected veterans and individuals with disabilities. Discrimination of any kind will not be tolerated.

In compliance with the Americans with Disabilities Act Amendments Act (ADAAA), applicants who need an accommodation to apply may call 1-888-365-5406 or email Accommodations@cushwake.com. Please include the job title and location when contacting us.

OTHER DUTIES
This job description is not designed to cover or contain a comprehensive list of activities, duties or responsibilities that are required of the employee. Other duties, responsibilities and activities may change or be assigned at any time with or without notice.
 

Cushman & Wakefield also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health, vision, and dental insurance, flexible spending accounts, health savings accounts, retirement savings plans, life, and disability insurance programs, and paid and unpaid time away from work. In addition to a comprehensive benefits package, Cushman and Wakefield provide eligible employees with competitive pay, which may vary depending on eligibility factors such as geographic location, date of hire, total hours worked, job type, business line, and applicability of collective bargaining agreements.
The compensation that will be offered to the successful candidate will depend on factors such as whether the position is covered by a collective bargaining agreement, the geographic area in which the work will be performed, market pay rates in that area, and the candidate’s experience and qualifications.
The company will not pay less than minimum wage for this role.
The compensation for the position is: $41.42 - $48.727884Cushman & Wakefield is an Equal Opportunity employer to all protected groups, including protected veterans and individuals with disabilities. Discrimination of any type will not be tolerated.

In compliance with the Americans with Disabilities Act Amendments Act (ADAAA), if you have a disability and would like to request an accommodation in order to apply for a position at Cushman & Wakefield, please call the ADA line at 1-888-365-5406 or email Accommodations@cushwake.com. Please refer to the job title and job location when you contact us.

INCO: “Cushman & Wakefield”