Critical Environments Operator; Level 1-4

Position: Critical Environments Operator (Level 1-4)
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 at Cyrus One, 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

* 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

This role operates in a fast-paced, physically active data center environment. Candidates must be able to lift up to 50 pounds, perform considerable walking, bending, and standing, and be available for 24/7/365 shift work including after-hours emergency response.

Why Cyrus One?

* Career growth - a defined progression from Associate through Lead Operator and beyond, with ongoing investment in your development

* Cutting-edge work - support AI, hyperscale, and cloud infrastructure for some of the world's most demanding customers

* Global scale - be part of a team operating across North America, EMEA, and APAC

* Award-winning culture - 2026 Top Workplaces USA National Award winner, recognized for our people-first environment

* Values-driven - everything we do is grounded in CARE:
Commitment, Accountability, Respect, and Excellence

As part of our commitment to a safe and secure work environment, all offers of employment for this role are contingent upon successful completion of a background check and pre-employment drug screening. Due to the nature of the work performed in our facilities, applicants must be a United States citizen. Cyrus One participates in E-Verify.

Cyrus One 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,…