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# Critical Mechanical Systems Specialist

- **Company:** CyrusOne, LLC.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computerized Maintenance Management Systems, Data Center Infrastructure Management (CIM), Reliability Engineering, Performance Testing
- **Published:** October 26, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=dc4bd52e921e49e5

## About the Role

* 7+ years in mission-critical facilities, with depth in chilled-water plants, CRAH/CRAC, heat rejection, and control systems/BMS.

 * Working fluency with ASHRAE TC9.9 guidance, codes/standards for hydronics and ventilation, and commissioning methodologies.

 * Hands-on experience with submittal reviews, sequence of operations, functional performance 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.

Education/Certifications

 * Bachelor's in Mechanical Engineering (or equivalent practical experience).

 * Preferred PMP, AHRAE certifications, or PE.

Work Conditions

 * Supports 24×7 operations; occasional on call rotation and night/weekend work.

 * Ability to work in mechanical/electrical rooms around energized systems (following LOTO and NFPA 70E).

 * Travel to supported sites (~ 50 %).

## Description

* 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 that are executed at operational datacenters.

 * Conduct operational procedure validation during post turnover pre customer load deployment phase.

 * Support the development of a robust process to standardize mechanical turnover documentation, ensure storage in the designated repository, and verify operator training and readiness.

 * Site inspections / audits: Conduct site physicals and infrastructure assessments focused on mechanical reliability, efficiency, and risk; maintain and drive closure of mitigation plans.

 * Design-to- operations bridge: Document field changes, communicate operational impacts to the gaining team, and ensure readiness gaps are closed prior to hand-off.

 * Cross-functional coordination: Work with Design & Construction, Commissioning, Site Operations, and Reliability Engineering to align standards and continuously improve readiness playbooks.

 * Provides continual evaluation of processes and procedures, responsible for suggesting methods to improve operation and efficiency of DC design and equipment.