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JL

Mechanical Commissioning Engineer (Data Centers)

JLL
New York City, United Statesfull_timeVerifiedPosted 7 Oct 2025
💰 $175,000/yr($150,000/yr$175,000/yr)

About the role

JLL empowers you to shape a brighter way.  

Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people  and empowering them to  thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

Commissioning Engineer –

JLL is currently seeking a dynamic individual for the role of Commissioning Engineer to provide reliable, timely, efficient support to our Commissioning & Building Analytics (CBA) team.  The position entails working with a diverse group of internal and external Stakeholders at all levels of the organization, and the individual will require the independent judgement to plan, prioritize, and organize a diverse workload in a fast-paced environment.  This successful candidate will be detail oriented with strong organizational skills, and a team player attitude.

In particular, you will be responsible for carrying out the following duties specific to your position:

  • Have fluency with all commissioning processes and deliverables covered in ASHRAE, CSA, and LEED commissioning requirements
  • Expertise in Mechanical and Plumbing equipment/systems inspections, testing and associated commissioning activities with a strong understanding of electrical, fire protection, and control systems
  • Monitor, review, and execute all facets of Commissioning related projects by providing exceptional technical and field activities.  In addition, the candidate will be expected to demonstrate strong management and technical functions throughout the design, pre-construction, construction, and post-construction phases of projects.
  • Liaise with facilities management and engineering services team members, outside consultants and contractors to assist CBA in leading cross functional teams on various projects.
  • The candidate will protect JLL’s contractual position and ensure our work meets contracted requirements
  • Understanding and capability of how to develop strong Commissioning Plans and Commissioning Specifications
  • Manage or jointly manage commissioning projects developing commissioning activity schedules and sequence-of-work.
  • Carry out field-based commissioning activities, including:
    • Site visits
    • Develop Start-up and test forms; witness and approve contractor execution
    • Develop Functional Test scripts; manage, direct and witness execution
    • Develop Integrated Systems Test scripts, direct and witness execution
  • Perform Commissioning Design Drawing & Specification Reviews, as well as Submittal (shop drawing) reviews
  • Chair Commissioning Meetings
  • Have fluency/understanding with how to use calibrated testing equipment used in the commissioning process (flow hoods, anemometers, pitot tubes, IR cameras, Power Quality Meters, various meters, etc.)
  • Knowledge and experience in testing mechanical and HVAC&R systems including chilled water plants, AHUs/RTUs/DOAS units, boilers, thermal storage systems, building management & automation systems, fire protection systems, plumbing equipment and systems, and other commercial and industrial heating and cooling systems
  • Develop, track and resolve issues using an Issues Log
  • Understanding of how to develop and execute seasonal/performance tests
  • Ability to write detailed standard operating procedures (SOPs) and Methods-of-Procedures (MOPs)
  • Ability to develop and compile project documentation into site/project specific Systems Manuals
  • Ability to develop/review/evaluate training programs for installed equipment and systems
  • The candidate will support, front to back, all of the project documentation requirements.  The intent is to be accountable for the preparation, review, and issuance of same, and though these tasks may be delegated, there may/will be the need to personally prepare them to meet the required timelines
  • The candidate will perform, front to back, all of the field activity components.  This includes scheduling and coordinating JLL and project team members accordingly, ensuring our requirements are fulfilled by the contractor and relevant sub-trades, and maximizing efficiency/productivity of our staff.

Additional Expectations

  • Willingness to travel up to 50% to client sites across the USA om as-needed basis
  • Assist the team in meeting the demanding workload
  • Ability to manage mult

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Company

JLL

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