Data Center Mechanical Systems Commissioning Engineer

CyrusOne, Inc.; Kentucky; On-site; USD 120,000 - 160,000; Full time

Job summary

CyrusOne is seeking an experienced professional to oversee commissioning for infrastructure projects at operational data centers. You will validate mechanical systems, document changes, and ensure readiness before hand-off to operations.

This role requires hands-on testing, rigorous documentation, and collaboration across Design & Construction, Site Operations, and Reliability Engineering. The ideal candidate has 7+ years in mission-critical facilities, deep knowledge of chilled-water plants,

Qualifications

• 7+ years in mission-critical facilities with depth in chilled-water plants, CRAH/CRAC, heat rejection, and control systems/BMS.
• Fluent with ASHRAE TC9.9 guidance, hydronics codes/standards, and commissioning methodologies.
• Hands-on with submittal reviews, sequence of operations, functional testing, and punch-list closeout.
• Strong documentation discipline and stakeholder communication; proven ability to drive multi-site mechanical programs.
• Strong analytical skills.
• Experience and knowledge of testing and commissioning methodologies.
• Experience with CMMS, DCIM/BMS integrations, and incident/RCA processes.

Responsibilities

• Commissioning oversight: Validate mechanical system performance and control sequences; track and close defects/punch-list items discovered pre-commissioning and during commissioning.
• Develop and conduct commissioning for infrastructure projects at operational datacenters.
• Conduct operational procedure validation during post turnover pre customer load deployment phase.
• Support development of a robust process to standardize mechanical turnover documentation and verify operator training and readiness.
• Site inspections/audits: Conduct site physicals and infrastructure assessments focused on mechanical reliability, efficiency, and risk; close mitigation plans.
• Design-to-operations bridge: Document field changes, communicate operational impacts to the gaining team, and close readiness gaps before hand-off.
• Cross-functional coordination: Work with Design & Construction, Commissioning, Site Operations, and Reliability Engineering to align standards and improve readiness playbooks.
• Continual evaluation of processes and procedures; suggest improvements to DC design and equipment efficiency.

Skills

Mission-critical facilities

ASHRAE TC9.9

Documentation discipline

Multi-site programs

Testing & commissioning

CMMS & DCIM

Education

Bachelor's in Mechanical Engineering

PMP

PE

AHRAE certifications

Tools

CMMS

DCIM/BMS integrations

RCA tools

Job description

CyrusOne is seeking an experienced professional to oversee commissioning for infrastructure projects at operational data centers. You will validate mechanical systems, document changes, and ensure readiness before hand-off to operations.

This role requires hands-on testing, rigorous documentation, and collaboration across Design & Construction, Site Operations, and Reliability Engineering. The ideal candidate has 7+ years in mission-critical facilities, deep knowledge of chilled-water plants,