Full-Time
Cooling Distribution Unit
Cdu, & Mechanical Systems Specialist
Posted on 11/22/2025
CyrusOne
501-1,000 employees
Leases enterprise-class, carrier-neutral data centers
No salary listed
Allen, TX, USA
In Person
 Building Systems & HVAC (2) |
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- 7+ years of experience in the maintenance and operation of critical mechanical systems, with a focus on data centers or mission-critical facilities, including hands-on experience with CDU maintenance and repair
- Demonstrated expertise in troubleshooting and resolving complex mechanical issues in high-availability environments
- Strong understanding of energy management and efficiency practices for mechanical systems, with emphasis on CDU optimization in mission-critical environments
- Ability to lead projects, troubleshoot complex issues, and implement long-term solutions to mechanical challenges
- Familiarity with monitoring systems, predictive maintenance tools, building automation systems (BAS), and CDU diagnostic software
- Ability to work in a high-pressure, mission-critical environment, maintaining focus and effectiveness under stress
- Provide guidance and oversight of the operation and maintenance of all mechanical systems critical to the data center’s functioning and maintaining SLA ranges, including direct experience with Cooling Distribution Unit (CDU) maintenance, calibration, and performance optimization
- Provide guidance to ensure that all mechanical systems are running efficiently, minimizing downtime and ensuring that the systems meet environmental and operational standards
- Develop best practices and procedures for routine inspection, cleaning, troubleshooting, and preventive maintenance of CDUs to ensure consistent cooling distribution and system reliability
- Provide guidance and plans for managing and optimizing the cooling strategies for all data center infrastructure to maintain optimal temperature and humidity levels, ensuring uptime and system efficiency
- Oversee the monitoring of cooling infrastructure and performance, implementing improvements as necessary to meet capacity and environmental standards
- Act as the subject matter expert in diagnosing and resolving mechanical issues that may impact data center operations, including HVAC malfunctions, cooling failures, and air quality problems
- Assist in performing root cause analysis on any mechanical failures and the effort to correct and mitigate future issues
- Assist in the development and execution of a comprehensive preventive maintenance program for all mechanical systems, ensuring they are kept in optimal condition to avoid unplanned outages or failures
- Develop and implement predictive maintenance tools to monitor system health and schedule repairs or upgrades before failures occur
- Provide process and policy direction to ensure mechanical systems meet all regulatory, safety, and environmental standards, such as ASHRAE guidelines, local building codes, and OSHA safety requirements
- Conduct regular audits and inspections of mechanical equipment to ensure safety and compliance with all regulations and company policies
- Maintain detailed records of mechanical system performance, inspections, maintenance, repairs, and upgrades
- Offer technical expertise and guidance in troubleshooting, system design, and operation of mechanical systems to site personnel as needed
- Bachelor’s degree in Mechanical Engineering, Facilities Management, or a related field (preferred), Equivalent military, trade school, or extensive hands-on experience in lieu of degree will be considered
- EPA 608 Universal Certification a plus
CyrusOne owns and manages large-scale data center properties where businesses rent space to house their IT infrastructure. Through a model of colocation and cloud solutions, the company provides secure facilities equipped with power, cooling, and carrier-neutral connectivity that allows clients to choose their own network providers. CyrusOne distinguishes itself by using an optimized supply chain to build and deploy data centers faster than other providers, helping customers scale their operations quickly. The company's goal is to provide a reliable and flexible global platform that meets the high-density data storage and processing needs of large enterprises.
Company Size
501-1,000
Company Stage
IPO
Headquarters
Dallas, Texas
Founded
2000
Simplify's Take
What believers are saying
- Sangamon Illinois 634MW campus approved April 2026 generates $100M taxes.
- US Army selects CyrusOne for 1201-acre Utah data center operational 2029.
- Milan Italy MIL1 27MW groundbreaking March 2026 lives Q3 2027.
What critics are saying
- Sangamon residents block approvals via union manipulation leaks within 12 months.
- Aurora shutdown recurs disrupting CME trading eroding trust in 24 months.
- Texas Constellation 380MW reliance triggers pricing hikes in 18 months.
What makes CyrusOne unique
- CyrusOne delivers carrier-neutral colocation and AI-optimized Intelliscale data centers.
- Manufacturing-driven construction accelerates builds faster than competitors.
- Sustainability-linked financing secures $11.2B green debt for net-zero 2030.
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Growth & Insights and Company News
6 month growth
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↓ -1%CyrusOne gets go-ahead for data center in Sangamon, Illinois. Will offer up to 634MW of capacity at buildout April 09, 2026 CyrusOne has got the go-ahead to build a data center in Sangamon, Illinois. Sangamon County Board members voted on Tuesday to allow the construction of a $500m, 280-acre, four-building data center at the 13000 Block of Thayer Road, Waverly. - Sangamon County CyrusOne has stated that the campus will use up to 634MW of capacity at full buildout, use a closed-loop cooling technology, and generate a property tax revenue of around $100 million over a 20-year period. This is a victory for the data center developer, who applied for planning permission last October. A substantial number of local residents came out in opposition to the proposal, citing concerns about the data center's environmental impact, proximity to residential neighborhoods, and the procedural manner of the planning process. But CyrusOne officials were questioned as to whether they had requested local unions sign up early for the meeting's public comment session in order to try to take the opposition's spots in the order, according to the Illinois Times. This was because of a leaked email attributed to David Wells, the Business Manager and Financial Secretary of the International Brotherhood of Electrical Workers, who said that "the CyrusOne folks have asked us to sign up early for this to try and take the opposition's spots in the order. That being said, hopefully none of us will have to speak," reads the email. "Once again, please show up in force... We all need this project." CyrusOne, which is jointly owned by private equity firms KKR and Global Infrastructure Partners, operates more than 50 data centers across the US and Europe. It operates two other data centers in Illinois, located in Aurora and Lombard, the former of which experienced a shutdown last November that temporarily prevented traders from accessing services provided by CME Group, one of the world's largest derivatives exchanges. Sangamon County is located in central Illinois and includes the city of Springfield. Most of Illinois' data centers are clustered in and around Chicago. More in north america.
CyrusOne breaks ground on first Italian data center outside Milan. Company starts work on first of two buildings at former nuclear research site March 26, 2026 CyrusOne has broken ground on its first data center in Italy. The company this week announced it has officially broken ground on MIL1 in Milan. - CyrusOne The three-story facility will offer 27MW of IT capacity across 7,000 sqm (75,345 sq ft) of technical space. The company has previously said the first phase will be live by Q3 2027. "Milan is an increasingly important digital infrastructure market for Southern Europe, and this development marks a key milestone in our European growth strategy," said Andreas Paduch, managing director, Europe at CyrusOne. "With MIL1, we are establishing a strong platform in Milan to support our customers' long-term capacity and connectivity needs. This project is only possible through close collaboration with our partners, including the Municipality of Segrate and our wider delivery ecosystem, whose support and expertise are critical to bringing this development to fruition." CyrusOne announced plans for its debut Italian facility in Milan in December 2024, acquiring an 18.5-acre site in the Municipality of Segrate, East Milan. A second building, the 54MW MIL2, is also planned on the site. MIL1 is designed to recover and reuse waste heat, initially for use within ancillary spaces on site, with the potential to supply a district heating network if available. CyrusOne has gifted the Golfo Agricolo, a 700,000 parkland, to the Municipality of Segrate for community use. It is investing some €6 million ($6.94m) in local infrastructure improvements, including the redevelopment of Via delle Regioni into a "modern urban boulevard." "The start of construction on the CyrusOne data center marks a significant step in the development of Segrate and strengthens our city's role as a leading hub for innovation and digital infrastructure," said Paolo Micheli, Mayor of the Municipality of Segrate. "An investment of this magnitude enhances the area, as it finally allows for the regeneration of a vast, problematic industrial area that has been abandoned for decades, replacing it with a prestigious project with a lower environmental impact than previously considered alternatives." The campus is on the former CISE (Centro Informazioni Studi Esperienze) nuclear research site. CISE, founded in 1947, was an R&D center for nuclear power development. Italian energy firm Enel became CISE's majority shareholder in the 1960s. The Segrate site was decommissioned in 2003. CyrusOne acquired the site from Europea2000. KKR-owned CyrusOne has more than 50 data centers across the US and European markets. Across Europe, the company has data centers in operation or development across the major FLAPD markets of London, Dublin, Paris, Frankfurt, and Amsterdam, as well as Madrid. Get a weekly roundup of EMEA news, direct to your inbox. More in construction & site selection.
US Army taps Carlyle and CyrusOne to develop data centers on army-owned land. Will develop at sites in Utah and Texas March 26, 2026 The US Army has selected two companies to develop data centers at army bases in the US. Global investment firm Carlyle and data center operator CyrusOne will develop data centers at army-owned sites in Texas and Utah. Carlyle will develop a data center project on around 1,384 acres at Fort Bliss in Texas, while KKR and BlackRock-owned CyrusOne will develop 1,201 acres at the Dugway Proving Ground in Utah. According to the US Army, the companies were conditionally chosen through a "rigorous and competitive process" and will be responsible for the financing, building, operating, maintaining, and decommissioning of the data centers. There will be no upfront cost to taxpayers related to the projects. "AI is a strategic asset for the army," said Secretary of the Army Dan Driscoll. "It is a force multiplier, supports future transformation and requirements, keeps the army ahead of our adversaries, and generates resiliency across the force. These data centers are a critical resource to support that strategic imperative." "By partnering with the private sector to develop cutting-edge data centers on our installations, we are bolstering our national security, driving technological innovation, and building a more resilient and modern army," added David R. Fitzgerald, Deputy Undersecretary of the Army. "Our new data center initiatives made possible by enhanced use leasing, are a direct investment in army priorities." The projects are part of the White House's 2025 executive order on Accelerating Federal Permitting of Data Center Infrastructure, which enables military departments to lease out their non-excess property. According to the US Army, the deal is not yet final, and is in an exclusive negotiation period to finalize the leases and other terms. The current timelines for the site suggest that the Carlyle site could be operational in 2027, and the CyrusOne site in 2029. "We are pleased to have been selected to enter exclusive negotiations with the US Army on this initiative to advance next-generation digital infrastructure. With deep roots in Washington, DC, Carlyle brings experience at the intersection of government and industry, along with a strong track record investing in and building large-scale energy and digital infrastructure, said Ferris Hussein, partner, global infrastructure at Carlyle. Fort Bliss is located in El Paso, Texas. The army base spans some 4,400 sq km (1,699 square miles). Carlyle is an investment company, and counts Edge data center firm Armada and Nxtra by Airtel among its portfolio companies. Eric Schwartz, CEO of CyrusOne, said: "We are honored to be selected by the US Army to enter exclusive negotiations for the Dugway project. This represents a unique opportunity to support the army's modernization objectives through a long-term, commercially driven development. We look forward to working collaboratively with the army as this initiative progresses." CyrusOne operates numerous data centers across the US, including in Arizona, Illinois, Iowa, New York, North Carolina, Ohio, Texas, Virginia, and Washington. The Dugway Proving Ground would be the company's first in Utah. The base is located southwest of Salt Lake City, and spans some 6,796 sq km (2,634 square miles). The Accelerating Federal Permitting of Data Center Infrastructure executive order was issued in 2025 and requires data center projects to have at least $500 million in capital expenditure and offer more than 100MW in capacity. The US Air Force has also put forward locations for proposals. In October 2025, the Department of Energy (DOE) issued a Request for Proposal (RFP) calling for companies to build and manage a data center at the Savannah River Site, a former nuclear materials facility in South Carolina. Two days before that, the DOE issued another RFP for a data center to be built in the 33,508-acre Oak Ridge Reservation. More in construction & site selection.
CyrusOne, a global data center developer and operator, has upsized its Revolving Credit Facility and US Term Loan to approximately $8 billion in aggregate commitments whilst extending maturity dates on both facilities. The RCF increased by nearly $1 billion to approximately $3.8 billion, whilst the USTL grew by nearly $300 million to $4.2 billion. The refinancing follows a record bookings year in 2025 and strengthens CyrusOne's capital structure to support continued growth. Both loan facilities incorporate sustainability-linked pricing grids, reflecting the company's commitment to reducing greenhouse gas emissions. The RCF will fund general corporate purposes, whilst the USTL refinances existing facility-level debt. Goldman Sachs and Wells Fargo jointly led the transactions. CyrusOne operates over 60 data centers across the United States, Europe and Japan.
The US data centre construction market is projected to grow from $83.97 billion in 2025 to $154.49 billion by 2031, representing a CAGR of 10.70%, according to a new report. AI is driving the expansion, with AI workloads expected to triple hyperscale data centre capacity within five to six years. GPU adoption is increasing significantly as facilities are optimised for AI-based workloads due to their performance advantages in parallel computing and real-time inference. Advanced cooling solutions are becoming essential to support AI and machine learning infrastructure. Partnerships between data centre operators and technology vendors are accelerating, with Switch and Schneider Electric signing a $1.9 billion agreement in November 2025 for cooling systems, marking North America's largest data centre cooling contract. Growth is particularly strong in the Southeastern, Midwestern, Southwestern and Western US regions.