Skip to main content
Tallo logoTallo logo

Critical Environments Operator IV

Job

CyrusOne

Wood Dale, IL (In Person)

$111,280 Salary, Full-Time

Posted 1 week ago (Updated 1 day ago) • Actively hiring

Expires 6/25/2026

Apply for this opportunity

This job application is on an outside website. Be sure to review the job posting there to verify it's the same.

Review key factors to help you decide if the role fits your goals.
Pay Growth
?
out of 5
Not enough data
Not enough info to score pay or growth
Job Security
?
out of 5
Not enough data
Calculating job security score...
Total Score
78
out of 100
Average of individual scores

Were these scores useful?

Skill Insights

Compare your current skills to what this opportunity needs—we'll show you what you already have and what could strengthen your application.

Job Description

CyrusOne is a global enterprise data center collocation provider, dedicated to increasing the availability and efficiency of our customers' mission-critical business applications and safeguarding their data in our highly secure data centers. Under the direction of the Sr Facility Manager, this role works as a team member in an Operations & Maintenance organization that provides a variety of O&M services within a 24/7/365 environment. Provides duties with constant awareness of the need to preserve the reliability of the critical load. Also provides operational support for building systems of other facilities as assigned. Responsible for carrying out maintenance and operations by performing the following duties personally or as a team member in a Data Center Operations & Maintenance environment. The Critical Environments Operator IV (CEO IV) serves as a senior-level technical expert responsible for supporting and maintaining mission-critical data center infrastructure, including power, cooling, and life-safety systems. This role is focused on ensuring continuous uptime through proactive maintenance, real-time system monitoring, and rapid response to equipment alarms, always prioritizing the protection of the critical load. At this level, the operator leads complex operations such as critical switching, system modifications, and incident response, while ensuring strict adherence to Standard Operating Procedures (SOPs), Method of Procedures (MOPs), Emergency Operating Procedures (EOPs), and safety standards. The CEO IV also plays a key role in coordinating vendors, overseeing maintenance activities, and driving accountability through the Computerized Maintenance Management System (CMMS). In addition to technical responsibilities, this role acts as a mentor to junior operators, helping guide day-to-day operations, improve processes, and elevate team performance. The ideal candidate brings strong troubleshooting skills, deep knowledge of electrical and mechanical systems, and the ability to operate effectively in a fast-paced, mission-critical data center environment.
What You Will Do:
Lead and support day-to-day data center operations while ensuring the reliability and protection of the critical load Respond to building system alarms, troubleshoot issues, and stabilize systems prior to OEM/vendor escalation Perform and oversee critical switching, lockout/tagout (LOTO), and safe work procedures to support maintenance and project work Utilize and mentor others on CMMS to manage preventative maintenance, reactive work orders, and labor tracking Coordinate with contractors and vendors to safely execute maintenance activities and ensure quality workmanship Support site startup/commissioning efforts, including procedure review and operational readiness at a new data center site
What We Are Looking For:
Required
  • Journeyman level skills in electrical, mechanical, HVAC/R disciplines (education or equivalent experience)
  • 3-5+ years of experience in Tier II, III, or IV data centers or equivalent mission-critical / building engineering environments
  • Experience with Work Order Control procedures and Computerized Maintenance Management Systems (CMMS)
  • Experience with subcontractor/vendor coordination and oversight
  • Ability to manage KPIs and support capacity planning and reporting
  • Strong troubleshooting ability with building systems using control interfaces (BMS/EPMS)
  • Ability to respond to alarms and stabilize systems in a critical environment
  • Proficiency with Microsoft Word and Excel Preferred Preferred Knewoldge to use hand tools, test equipment, and be knowledgeable of maintenance shop practices, with experience at the Journeyman level for Electrical and Mechanical Equipment and systems
Knowledge of Visio, AutoCad Work Environment :
Work Schedule:
Monday-Friday standard business hours, on-call support may be required during critical events.
Environment:
Initially supporting a new site buildout (construction trailer phase), transitioning into full operational support as the facility becomes active Why Join Us?: Be part of the rapidly growing data center industry powering the world's digital infrastructure Collaborative environment focused on commitment, accountability, respect and excellence Comprehensive health, dental, and vision insurance plans, life and disability insurance, access to mental health resources and employee assistance program Competitive pay, performance bonus, 401(k) retirement plan with company match Generous paid time off and holidays
Hourly Rate:
$48 - $59 #li-onsite 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. Welcome to the CyrusOne Career Portal! A great opportunity awaits you so don't delay, apply today! CyrusOne may use artificial intelligence to assess how your application matches the job requirements. The final hiring decision is always made by our team. You may opt out of AI screening without affecting your candidacy. For additional details on opting out, or our AI Recruiting Policy click here . CyrusOne is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or an accommodation while seeking employment, please email agalvagni@cyrusone.
com or call:
806-589-0141. We will make a determination on your request for reasonable accommodation on a case-by-case basis. CyrusOne is proud to be recognized as a Top Work Place by USA Today. Celebrated for our company culture, CyrusOne stands out for its commitment to core values such as community, agility, respect, an enjoyable workplace, ethics, and exceptional service. This accolade reflects CyrusOne's dedication to creating an engaging, respectful, and growth-oriented environment, underpinned by integrity, which not only enhances customer satisfaction but also contributes to the company's overall success. CyrusOne is a leading global data center developer and operator specializing in delivering state-of-the-art digital infrastructure solutions. With more than 50 high-performance mission-critical facilities worldwide, the Company ensures the continued operation of digital infrastructure for nearly 1,000 customers, including approximately 200 Fortune 1000 companies. CyrusOne's leading global platform of hybrid-cloud and multi-cloud deployments offers customers colocation, hyperscale, and build-to-suit environments, which help enhance the strategic connections of their essential data infrastructures and support the achievement of sustainability goals. CyrusOne data centers offer world-class flexibility, enabling clients to modernize, simplify, and rapidly respond to changing demands. Combining exceptional financial strength, a broad global footprint, and continued investment in key digital gateway markets, CyrusOne provides the world's largest companies with long-term stability and strategic advantage at scale. For more information, please visit cyrusone.com (https://protect-us.mimecast.com/s/yRv0Cv2rY1irrOmMUQ2LCm?domain=cyrusone.com/) . 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. The law requires CyrusOne to post a notice describing the Federal laws prohibiting job discrimination. For information regarding your legal rights and protections, please click on the following link: Know Your Rights (http://40201568.fs1.hubspotusercontent-na1.net/hubfs/40201568/Website%20Documents%202025/EEOC_KnowYourRights.pdf) CyrusOne will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay. Please see the Pay Transparency Nondiscrimination Provision (http://40201568.fs1.hubspotusercontent-na1.net/hubfs/40201568/Website%20Documents%202025/PayTransparencyPoster.pdf) for more information. As a Federal Contractor, CyrusOne is required to participate in the E-Verify Program to confirm eligibility to work in the United States. For information please click on the following link: E-Verify. (http://40201568.fs1.hubspotusercontent-na1.net/hubfs/40201568/Website%20Documents%202025/EVerifyParticipationPoster.pdf)