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JLL Logo JLL · IT - Administration

Data Center Commissioning – Mechanical Group Lead

United States, Atlanta, GA 175000.00 - 225000.00 USD / Year · Job Posted February 20, 2026
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Job Description

JLL-SKAE Data Center and Mission Critical Commissioning group is looking for a seasoned Commissioning Engineer / Project Manager to join our team.

Job Responsibility

  • Act as the technical team leader for our Mechanical and Controls commissioning disciplines
  • Support our growth in the data center and mission critical commissioning market segment
  • Include approximately 30-40% overnight travel in support of our portfolio of projects in US and Canada

Requirements

  • A minimum of 8 years of relevant experience in the startup and commissioning of data center mechanical cooling and controls and automation systems
  • Minimum of 3 years acting as a mechanical commissioning lead (ideally for data center projects in excess of 25MWs)
  • Strong fluency with the data center commissioning processes and deliverables covered in ASHRAE commissioning requirements and guidelines
  • Demonstrated expertise acting as the commissioning lead for data center mechanical equipment/systems installation inspections, startup, pre-functional, functional and integrated testing
  • Manage and perform Commissioning design drawing, specification and submittal reviews
  • Lead team members in the performance of, and where necessary, self-perform, the field commissioning activities
  • Demonstrated experience working and coordinating directly with data center project General Contractor (GC), sub-contractors, AHJs, Engineer of Record, and others
  • Liaise with team members, outside consultants and contractors to lead cross functional teams on data center or mission critical commissioning projects
  • Develop project specific Commissioning Plans and Commissioning Specifications
  • Manage both onsite and offsite commissioning activities
  • Help develop JLL project proposals in response to client RFPs
  • Identify required team makeup for the project(s)
  • Support management of project budgets and financials
  • Manage the development, review and approval of L0-L6 commissioning test scripts and procedures
  • Act as main point of contact to client for all aspects of commissioning related to the mechanical and controls and automations systems
  • Provide day-to-day directions to the mechanical commissioning group, including mentoring junior personnel
  • Act as JLL technical point of escalation throughout project duration for the mechanical and controls and automation equipment and systems
  • Schedule, lead and document on-site and offsite project commissioning meetings
  • Possess detailed understanding of how to develop and execute seasonal/performance tests for mechanical cooling systems
  • Write or manage development of detailed standard operating procedures (SOPs) and Methods-of-Procedures (MOPs)
  • Strong proficiency in use of QA/QC and Cx software applications such as Autodesk Construction Cloud, CxAlloy, Facility Grid, and other industry standard QA/QC and Cx platforms
  • Willingness to travel overnight up to 30-40% to client sites across the USA and Canada
  • Knowledge and experience in testing Air- and water-cooled chillers, CRACs, CRAHs, RTUs, AHUs, BMS and BAS platforms, and integrated control systems
  • Strong data management skills
  • Strong team leadership skills
  • Excellent written and verbal communication skills with a strong proficiency in MS Project, Word, PowerPoint, and Excel
  • Demonstrated ability to coordinate and organize multiple project schedule inputs/performance data into a master schedule platform and deliver project/program status reports
  • Demonstrated ability to analyze and report against contractor (and other third party) schedule updates
  • Candidates must be authorized to work in the United States without sponsorship

Nice to have

  • An ABET accredited engineering or technology degree
  • Commissioning Professional certification from a recognized industry authority
  • Prof Eng/PE and/or PMP designation
  • Experience working in a engineering consultancy or owner organization

What we offer

  • 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
  • Supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health
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