Critical Environments Operator (Level 1-4)

CyrusOne; Phoenix (AZ); Hybrid; USD 50,000 - 70,000; Full time

Benefits offered by this job

Career growth opportunities

Competitive compensation

Values-driven culture

Job summary

CyrusOne is seeking Critical Environments Operators in Phoenix, Arizona. Join a dedicated team ensuring the reliability of critical data center infrastructures. Responsibilities include monitoring and operating mechanical, electrical, and HVAC systems, with levels ranging from entry-level to master experience.

Ideal candidates will possess a strong safety mindset and effective communication skills. This role offers career growth and operates around the clock in a fast-paced environment.

Qualifications

• Safety mindset and willingness to learn.
• Entry-level skills in electrical, mechanical, or HVAC/R disciplines.
• Ability to operate and troubleshoot systems.

Responsibilities

• Monitor and operate data center systems for reliability.
• Respond to alarms prioritizing load protection.
• Execute preventive maintenance work orders.

Skills

Strong commitment to safety

Clear verbal and written communication skills

Solid problem-solving and decision-making

Proficiency with Microsoft Word and Excel

Ability to manage multiple priorities

Team-first mindset

Tools

Computerized Maintenance Management System (CMMS)

Job description

Overview

We are building a pipeline of talented Critical Environments Operators across all experience levels. 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 monitor, operate, and maintain electrical, mechanical, and HVAC/R systems while upholding the highest standards of safety, workmanship, and customer service.

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.
• Provide mentorship to junior operators, lead critical switching events, and participate in capacity planning and reporting (senior levels).

Levels & Experience

• Level I: No prior data center experience required. Ideal for candidates with 0–2 years in operations, maintenance, or customer service roles. Strong safety mindset and willingness to learn are most important.
• Level II: 3–5 years of experience in Tier2,3, or4 data centers or a technical facility maintenance role. Entry‑level skills in electrical, mechanical, or HVAC/R disciplines. 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. Operates independently, troubleshoots systems, stabilizes operations during incidents, and guides 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. Leads operational activities, manages vendor relationships, and supports team development.

What We Are Looking For

• Strong commitment to safety.
• 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 50lb, perform considerable walking, bending, and standing, and be available for 24/7/365 shift work including after‑hours emergency response.

Why CyrusOne?

• Career growth – defined progression from Associate through Lead Operator and beyond with ongoing investment in development.
• Cutting‑edge work – support AI, hyperscale, and cloud infrastructure for demanding customers.
• Global scale – operate across North America, EMEA, and APAC.
• Values‑driven culture grounded in CARE (Commitment, Accountability, Respect, Excellence).

Equal Opportunity & Background Check

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). All offers 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. CyrusOne participates in E‑Verify.