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Cooling Distribution Unit (CDU) & Mechanical Systems Specialist

CyrusOne

CyrusOne

Operations
Allen, TX, USA
Posted on Sep 3, 2025
We are seeking an experienced Data Center Critical Mechanical specialist to lead mechanical systems management in our data center facilities. This role is pivotal in ensuring the continuous, efficient, and safe operation of all mechanical systems, including Cooling Distribution Units (CDUs), air-cooled chillers, Pumps, VFDs, Cooling Towers, Packaged Roof Top Units (RTUs), air handling units (AHUs), and fan walls. The ideal candidate will demonstrate deep expertise in mechanical systems—particularly with CDU maintenance and operation—advanced troubleshooting skills, and a strong understanding of how to optimize the performance of critical mechanical infrastructure.

Responsibilities:

  • Provide guidance and oversight of the operation and maintenance of all mechanical systems critical to the data center’s functioning and maintaining SLA ranges, including direct experience with Cooling Distribution Unit (CDU) maintenance, calibration, and performance optimization.
  • Provide guidance to ensure that all mechanical systems are running efficiently, minimizing downtime and ensuring that the systems meet environmental and operational standards.
  • Develop best practices and procedures for routine inspection, cleaning, troubleshooting, and preventive maintenance of CDUs to ensure consistent cooling distribution and system reliability.
  • Provide guidance and plans for managing and optimizing the cooling strategies for all data center infrastructure to maintain optimal temperature and humidity levels, ensuring uptime and system efficiency.
  • Oversee the monitoring of cooling infrastructure and performance, implementing improvements as necessary to meet capacity and environmental standards.
  • Act as the subject matter expert in diagnosing and resolving mechanical issues that may impact data center operations, including HVAC malfunctions, cooling failures, and air quality problems.
  • Assist in performing root cause analysis on any mechanical failures and the effort to correct and mitigate future issues.
  • Assist in the development and execution of a comprehensive preventive maintenance program for all mechanical systems, ensuring they are kept in optimal condition to avoid unplanned outages or failures.
  • Develop and implement predictive maintenance tools to monitor system health and schedule repairs or upgrades before failures occur.
  • Provide process and policy direction to ensure mechanical systems meet all regulatory, safety, and environmental standards, such as ASHRAE guidelines, local building codes, and OSHA safety requirements.
  • Conduct regular audits and inspections of mechanical equipment to ensure safety and compliance with all regulations and company policies.
  • Maintain detailed records of mechanical system performance, inspections, maintenance, repairs, and upgrades.
  • Offer technical expertise and guidance in troubleshooting, system design, and operation of mechanical systems to site personnel as needed.

Qualifications:

  • 7+ years of experience in the maintenance and operation of critical mechanical systems, with a focus on data centers or mission-critical facilities, including hands-on experience with CDU maintenance and repair.
  • Demonstrated expertise in troubleshooting and resolving complex mechanical issues in high-availability environments.
  • Strong understanding of energy management and efficiency practices for mechanical systems, with emphasis on CDU optimization in mission-critical environments.
  • Ability to lead projects, troubleshoot complex issues, and implement long-term solutions to mechanical challenges.
  • Familiarity with monitoring systems, predictive maintenance tools, building automation systems (BAS), and CDU diagnostic software.
  • Ability to work in a high-pressure, mission-critical environment, maintaining focus and effectiveness under stress.

Education / Certifications:

  • Bachelor’s degree in Mechanical Engineering, Facilities Management, or a related field (preferred), Equivalent military, trade school, or extensive hands-on experience in lieu of degree will be considered.
  • EPA 608 Universal Certification a plus.

Work Environment:

  • Day Shift: 6AM - 6PM,
  • 2 week rotation: Mon, Tues, Sat, Sun / Wed, Thurs, Fri

CyrusOne is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.

CyrusOne provides reasonable accommodation for qualified individuals with disabilities in accordance with the Americans with Disabilities Act (ADA) and any other state or local laws. We will respond to requests for reasonable accommodations to assist you in applying for positions at CyrusOne, or to submit a resume.