Critical Environments Operator Level 4 (Houston)

Sharp Decisions; Houston (TX); On-site; USD 55,000 - 75,000; Full time

Job summary

CyrusOne is seeking a Critical Environments Operator in Houston, TX to join a 24/7/365 Operations & Maintenance team. You will monitor electrical, mechanical, and HVAC/R systems, respond to alarms, and execute PMs while upholding safety and service standards.

This role offers opportunities across four levels with potential mentorship and capacity-planning involvement; on-call rotation and extended hours may apply in emergencies.

Qualifications

• This Level IV posting requires 7+ years of relevant experience with journeyman or master level expertise.
• Active HVAC certification or Journeyman/Master Electrician license preferred.
• Proven ability to lead operational activities and mentor junior operators.

Responsibilities

• Monitor and operate data center mechanical, electrical, and HVAC/R systems to ensure uptime and reliability.
• Respond to building system alarms, prioritizing critical load protection and root-cause analysis.
• Execute Preventive Maintenance work orders and follow SOPs, MOPs, EOPs, and MMRs as appropriate.
• Use a CMMS to track work orders, labor hours, and PMs.
• Coordinate with contractors and vendors; enforce Lockout/Tagout and safety protocols.
• Perform equipment and system operational modifications, including switching and safe area setup.
• Maintain awareness of and compliance with all company, government, and client policies and EHS requirements.
• At senior levels: mentor junior operators, lead critical switching events, and participate in capacity planning and reporting.

Skills

Safety-first

Verbal and written communication

Problem solving

Multitasking

Team-oriented

Customer service orientation

Education

HVAC certification

Journeyman/Master Electrician license

Tools

Microsoft Word

Microsoft Excel

Job description

Critical Environments Operator – Houston, TX (FT Opportunity)

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 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.