CyrusOne is a global enterprise data center collocation provider, dedicated to increasing the availability and efficiency of our customers’ mission-critical business applications and safeguarding their data in our highly secure data centers. Under the direction of the Sr Facility Manager, this role works as a team member in an Operations & Maintenance organization that provides a variety of O&M services within a 24/7/365 environment. Provides duties with constant awareness of the need to preserve the reliability of the critical load. Also provides operational support for building systems of other facilities as assigned. Responsible for carrying out maintenance and operations by performing the following duties personally or as a team member in a Data Center Operations & Maintenance environment.
The Critical Environments Operator IV (CEO IV) serves as a senior-level technical expert responsible for supporting and maintaining mission-critical data center infrastructure, including power, cooling, and life-safety systems. This role is focused on ensuring continuous uptime through proactive maintenance, real-time system monitoring, and rapid response to equipment alarms, always prioritizing the protection of the critical load.
At this level, the operator leads complex operations such as critical switching, system modifications, and incident response, while ensuring strict adherence to Standard Operating Procedures (SOPs), Method of Procedures (MOPs), Emergency Operating Procedures (EOPs), and safety standards. The CEO IV also plays a key role in coordinating vendors, overseeing maintenance activities, and driving accountability through the Computerized Maintenance Management System (CMMS).
In addition to technical responsibilities, this role acts as a mentor to junior operators, helping guide day-to-day operations, improve processes, and elevate team performance. The ideal candidate brings strong troubleshooting skills, deep knowledge of electrical and mechanical systems, and the ability to operate effectively in a fast-paced, mission-critical data center environment.
What You Will Do:
What We Are Looking For:
Required
• Journeyman level skills in electrical, mechanical, HVAC/R disciplines (education or equivalent experience)
• 3–5+ years of experience in Tier II, III, or IV data centers or equivalent mission-critical / building engineering environments
• Experience with Work Order Control procedures and Computerized Maintenance Management Systems (CMMS)
• Experience with subcontractor/vendor coordination and oversight
• Ability to manage KPIs and support capacity planning and reporting
• Strong troubleshooting ability with building systems using control interfaces (BMS/EPMS)
• Ability to respond to alarms and stabilize systems in a critical environment
• Proficiency with Microsoft Word and Excel
Preferred
Work Environment
Monday–Friday standard business hours, on-call support may be required during critical events.
Why Join Us?:
Hourly Rate: $48 - $59
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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.

CyrusOne is a leading global data center developer and operator, delivering sophisticated digital infrastructure solutions worldwide. Headquartered in Dallas, Texas, the company operates over 55 data centers across the United States, Europe, and Japan. Specializing in comprehensive solutions for hyperscale and Fortune 1000 companies, CyrusOne enables customers to align with their unique business and sustainability goals, catering to the complex needs of AI-driven applications and services workloads.
CyrusOne’s data centers offer unparalleled flexibility, enabling customers to modernize, simplify, and rapidly respond to changing demands. CyrusOne delivers tailored build-to-suit, colocation, and interconnection solutions that meet the evolving digital needs of its customers.
For additional information about our services and locations, please visit cyrusone.com.