Critical Environment Operator Level (1-4)

CyrusOne • San Antonio, TX

7d • Onsite

About The Position

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 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.

Requirements

• 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
• Must be a United States citizen
• Successful completion of a background check and pre-employment drug screening

Nice To Haves

• Active HVAC certification or Journeyman/Master Electrician license preferred (for Level IV)
• Familiarity with CMMS and work order processes a plus (for Level II)

Responsibilities

• 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

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed