Role OverviewWe are seeking a Mechanical Commissioning Specialist (Dry Mechanical) to support commissioning, startup, testing, and turnover activities on a hyperscale data center facility. This role will focus on the verification, testing, and functional performance of critical dry mechanical and HVAC systems supporting cleanroom and manufacturing operations.
The ideal candidate will have hands-on commissioning experience within data center, semiconductor, advanced manufacturing, pharmaceutical, or mission-critical environments and possess a strong understanding of mechanical system startup, integrated testing, and turnover processes.
Key Responsibilities - Execute commissioning activities for dry mechanical systems, HVAC equipment, air handling systems, exhaust systems, cleanroom support infrastructure, and associated controls.
- Perform pre-functional and functional performance testing to verify systems operate in accordance with design intent.
- Coordinate startup activities with contractors, vendors, controls teams, and client stakeholders.
- Support integrated systems testing (IST) and turnover readiness activities.
- Document commissioning results, deficiencies, corrective actions, and retesting activities.
- Review commissioning procedures, startup plans, and test scripts to ensure project compliance.
- Support development and completion of turnover packages, system documentation, and O&M deliverables.
- Conduct field inspections and verification activities to confirm installations meet project specifications and quality requirements.
- Identify installation deficiencies and support resolution efforts prior to startup and testing.
- Verify equipment readiness, system completion, and documentation status before commissioning activities begin.
- Maintain accurate commissioning records and support client reporting requirements.
Requirements
Requirements - 5+ years of experience in commissioning, startup, field engineering, or mechanical systems support within data center, semiconductor, advanced manufacturing, pharmaceutical, or mission-critical facilities.
- Strong understanding of HVAC systems, air handling equipment, cleanroom environments, exhaust systems, and mechanical controls.
- Experience supporting functional testing, startup, turnover, and integrated systems testing activities.
- Ability to read and interpret mechanical drawings, P&IDs, sequences of operation, and MEP construction documents.
- Strong troubleshooting, documentation, and communication skills.
- Ability to work effectively in fast-paced construction and commissioning environments.
Preferred Qualifications - Data center commissioning experience.
- Experience supporting large capital projects or manufacturing facilities.
- Familiarity with commissioning documentation platforms and quality management systems.
- Previous experience working alongside QA/QC, construction, and owner representative teams.
Why Join Us OnQCx is a project management and engineering consulting firm that partners with top-tier clients on some of the most complex mission-critical projects worldwide. While we operate on a large scale, we maintain a family-run, tight-knit culture with a proactive focus on rolling our people onto new opportunities when projects wrap.
- Competitive pay and benefits package.
- Opportunity to work on a mission-critical project with long-term career potential.
- Be part of a tight-knit, high-performing team delivering world-class facilities for leading technology clients.
Notice to all Employment, Staffing & Recruiting Agencies and Recruiters: We please ask that you do not directly email, call or visit our hiring managers. OnQ does not accept unsolicited resumes and should any be received from a third party they will not be considered, unless a signed agreement is in place. If you would like to discuss becoming a preferred staffing vendor to OnQ please contact our talent acquisition team who will advise you on the process.
