Lead Data Center Mechanical Commissioning Engineer

JLL; United States; Remote; USD 89,000 - 111,000; Full time

Job summary

JLL is seeking a Data Center Commissioning Engineer to lead mechanical commissioning for data center projects across Canada, with a focus on the Toronto metro area and occasional travel. This full‑time role offers growth within our North American data center commissioning practice.

You will develop test scripts, review designs, and coordinate commissioning activities for chillers, CRAHs, AHUs, and liquid cooling systems. Strong MS Project and documentation skills are essential.

Qualifications

• Minimum 5 years data center commissioning experience.
• Experience with greenfield projects ≥25MW.
• Knowledge of ASHRAE commissioning guidelines.
• Strong MS Project, PowerPoint, Word, and Excel skills.
• Ability to travel up to 30% across Canada.

Responsibilities

• Plan and execute full lifecycle commissioning (L0-L6) for data center projects.
• Develop, review, and approve mechanical commissioning test scripts and procedures following ASHRAE guidelines.
• Review designs, specifications, and submittals; produce SOOs and TAB plans.
• Commission chillers, cooling towers, CDUs, CRAHs, CRACs, RTUs, AHUs, and liquid cooling systems.
• Troubleshoot equipment issues; coordinate with contractors and vendors.
• Serve as primary commissioning contact for mechanical infrastructure and monitoring systems.
• Write SOPs and MOPs; assemble site manuals.
• Support proposals, team planning, budgeting, and client commissioning reports using BIM360, CxAlloy, and Facility Grid.
• Conduct network diagnostics, heat load tests, scenario tests, and system validation.

Skills

Data center commissioning

Project management

MS Project

Communications

Chillers & AHUs

Education

Engineering degree

Professional Engineer (P.Eng/PE)

Commissioning certification

Tools

BIM360

CxAlloy

Facility Grid

TAB tools

Job description

JLL is seeking a Data Center Commissioning Engineer to lead mechanical commissioning for data center projects across Canada, with a focus on the Toronto metro area and occasional travel. This full‑time role offers growth within our North American data center commissioning practice.

You will develop test scripts, review designs, and coordinate commissioning activities for chillers, CRAHs, AHUs, and liquid cooling systems. Strong MS Project and documentation skills are essential.