Commissioning Engineer, Data Centers

Summary

JLL is a global provider of real estate, advisory, and technology services for clients. The company is seeking a data center commissioning professional to support commissioning projects across new construction, expansions, and facility upgrades, including equipment oversight, testing, troubleshooting, stakeholder coordination, and project documentation.

Responsibilities

• Applying commissioning processes and deliverables in accordance with ASHRAE commissioning requirements and guidelines across all project phases
• Leading electrical and mechanical equipment installation oversight, component startup inspections, pre-functional testing, and integrated systems validation
• Collaborating with cross-functional stakeholders including Owners, Contractors, Inspectors, AHJs, Engineers of Record, Vendors, and Manufacturers to ensure seamless commissioning execution
• Troubleshooting and diagnosing critical mechanical and electrical equipment issues, documenting findings, and coordinating resolution with contractors and vendors
• Managing multiple concurrent commissioning activities while maintaining clear and effective stakeholder communications throughout project lifecycles
• Developing and reviewing L1-L5 commissioning test scripts, standard operating procedures (SOPs), and Methods-of-Procedures (MOPs) for data center systems
• Conducting network diagnostic testing, heat load testing, scenario testing, and integrated systems testing to validate facility performance and operational readiness
• Performing commissioning-focused design drawing, specification, and submittal reviews to ensure alignment with project requirements
• Preparing detailed daily, weekly, and monthly client commissioning reports and compiling project documentation into comprehensive Systems Manuals

Skills

• Minimum 5-7 years of relevant engineering and/or field-testing experience (5 years for Mid-Level, 7 years for Senior Level positions)
• Minimum 3-5 years providing third-party commissioning services for data center construction projects (3 years for Mid-Level, 5 years for Senior Level)
• Documented experience as an Electrical, Mechanical, and/or Controls third-party Commissioning Engineer (or Cx Lead/PM) on data center projects with capacities of 25+MW
• Strong proficiency in MS Outlook, PowerPoint, Word, and Excel with excellent data management capabilities
• Ability to use testing meters and equipment including Power Quality Meters (PQM), thermography, NETA tests, ground tests, hi-pot, and megger
• Knowledge and hands-on experience testing Transformers, UPS systems, Generators, Switchgear, Chillers (air and water cooled), CRACs/CRAHs, liquid cooling systems (CDUs), and monitoring/control systems
• Proficiency in QA/QC and commissioning software applications such as BIM360, CxAlloy, Facility Grid, and related platforms
• Willingness to travel overnight up to 40% across the USA and Canada (typical durations not exceeding two weeks)
• Excellent written and verbal communication skills with strong project management and coordination abilities
• ABET accredited engineering or technology degree (equivalent industry experience acceptable)
• Commissioning Professional certification from a recognized industry authority
• Professional Engineer (PE) certification
• Project Management Professional (PMP) certification

Qualifications

Must Haves

• Minimum 5-7 years of relevant engineering and/or field-testing experience (5 years for Mid-Level, 7 years for Senior Level positions)
• Minimum 3-5 years providing third-party commissioning services for data center construction projects (3 years for Mid-Level, 5 years for Senior Level)
• Documented experience as an Electrical, Mechanical, and/or Controls third-party Commissioning Engineer (or Cx Lead/PM) on data center projects with capacities of 25+MW
• Strong proficiency in MS Outlook, PowerPoint, Word, and Excel with excellent data management capabilities
• Ability to use testing meters and equipment including Power Quality Meters (PQM), thermography, NETA tests, ground tests, hi-pot, and megger
• Knowledge and hands-on experience testing Transformers, UPS systems, Generators, Switchgear, Chillers (air and water cooled), CRACs/CRAHs, liquid cooling systems (CDUs), and monitoring/control systems
• Proficiency in QA/QC and commissioning software applications such as BIM360, CxAlloy, Facility Grid, and related platforms
• Willingness to travel overnight up to 40% across the USA and Canada (typical durations not exceeding two weeks)
• Excellent written and verbal communication skills with strong project management and coordination abilities

Nice to Haves

• ABET accredited engineering or technology degree (equivalent industry experience acceptable)
• Commissioning Professional certification from a recognized industry authority
• Professional Engineer (PE) certification
• Project Management Professional (PMP) certification

Benefits

• 401(k) plan with matching company contributions
• Comprehensive Medical, Dental & Vision Care
• Paid parental leave at 100% of salary
• Paid Time Off and Company Holidays
• Early access to earned wages through Daily Pay