Critical Environments Operator (Level 1-4) - NIGHT SHIFT

About the Role

We are building a pipeline of talented Critical Environments Operators across all experience levels — from associates just starting their careers in data center operations to seasoned lead technicians ready to mentor others and drive operational excellence.

As a Critical Environments Operator (Night Shift) at CyrusOne, you will be part of a 24/7/365 Operations & Maintenance team responsible for keeping mission-critical data center infrastructure running at peak reliability through overnight hours. You will operate, monitor, and maintain electrical, mechanical, and HVAC/R systems while upholding the highest standards of safety, workmanship, and customer service.

This position supports night shift coverage, with shift schedules (8- or 10-hour shifts) varying by site on a rotating basis. A night shift differential is included in compensation for this role.

Whether you are early in your career or bringing years of hands-on experience, there is a place for you here — and a clear path forward.

As a Critical Environments Operator at CyrusOne, you will be part of a 24/7/365 Operations & Maintenance team responsible for keeping mission-critical data center infrastructure running at peak reliability. You will operate, monitor, and maintain electrical, mechanical, and HVAC/R systems while upholding the highest standards of safety, workmanship, and customer service.

Whether you are early in your career or bringing years of hands-on experience, there is a place for you here — and a clear path forward.

What You Will Do

• Monitor and operate data center mechanical, electrical, and HVAC/R systems to ensure continuous uptime and reliability

• Respond to building system alarms, prioritizing critical load protection, equipment preservation, and root cause analysis

• Execute Preventive Maintenance work orders and follow SOPs, MOPs, EOPs, and MMRs as appropriate

• Use a Computerized Maintenance Management System (CMMS) to track work orders, labor hours, and PMs

• Coordinate with contractors and vendors; enforce Lockout/Tagout and other safety protocols

• Perform equipment and system operational modifications, including critical switching and safe working area setup

• Maintain awareness of and compliance with all company, government, and client policies, procedures, and EHS requirements

• At senior levels: provide mentorship to junior operators, lead critical switching events, and participate in capacity planning and reporting
   

Levels & Experience

This is an evergreen posting that supports hiring across four levels. The right level for you will be determined based on your experience and qualifications during the interview process.

• Level I:
  No prior data center experience required. Ideal for candidates eager to learn data center O&M, with 0–2 years in operations, maintenance, or customer service roles. Strong safety mindset and willingness to learn are the most important qualities.

• Level II:
  3–5 years of experience in Tier 2, 3, or 4 data centers or a technical facility maintenance role. Entry-level skills in electrical, mechanical, or HVAC/R disciplines — whether through a degree, trade program, or hands-on work experience. Familiarity with CMMS and work order processes a plus.

• Level III:
  5–7 years of data center or building engineering experience. Journeyman-level skills in electrical, mechanical, or HVAC/R. Ability to operate independently, troubleshoot systems, stabilize operations during incidents, and guide less experienced team members.

• Level IV:
  7+ years of relevant experience with demonstrated expertise at the journeyman or master level. Active HVAC certification or Journeyman/Master Electrician license preferred. Proven ability to lead operational activities, manage vendor relationships, and support team development.

What We Are Looking For

• Strong commitment to safety — always

• Ability to work overnight shifts on a rotating schedule, with shift lengths varying by site (8 or 10 hours)

• Clear verbal and written communication skills

• Solid problem-solving and decision-making ability

• Proficiency with personal computers, including Microsoft Word and Excel

• Ability to manage multiple priorities in a fast-paced, high-stakes environment

• Willingness to work a flexible schedule, including on-call rotation and extended hours during emergencies

• Team-first mindset — promotes collaboration and shared success

• Desire to provide the highest levels of service to internal and external customers
   

Work Environment