Critical Environments Operator (Level 1-4)
- Location
- Houston, TX
- Work mode
- On-site
- Employment type
- Full-time
About the job
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 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:
- Level I:
• Level II:
- Level II:
• Level III:
- Level III:
• Level IV:
- Level IV:
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 CyrusOne?
- 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.
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.
From CyrusOne Management Services LLC's careers page (Workday), checked 29 Oct 2026.
How to apply
- Select Apply on cyrusone.wd1.myworkdayjobs.com. It opens CyrusOne Management Services LLC's own application form in a new tab, run on Workday.
- Fill in the form and upload your résumé there. Jobiwork never sees your application.
- CyrusOne Management Services LLC will reply to you directly. No real employer asks you for money to apply.
Posted 2 Oct 2026 · checked 29 Oct 2026 · Report this job