Senior Commissioning Engineer

JLL empowers you to shape a brighter way. Our people at JLL 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 peopleand empowering them tothrive, 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. Senior Commissioning Engineer Position OverviewJLL is seeking a Senior Commissioning Engineer to lead commissioning activities for large-scale critical facility construction projects. This role requires comprehensive expertise in MEP systems commissioning, quality assurance program execution, and technical leadership throughout all project phases from design through post-construction. Location:Home Based: Prefer Arlington, VA area, but open to qualified individuals in VA, WV, MA, NY, NJ, OH, NC, SC, PA, NH, FL, MITravel:Up to 50% across USA client sites (mostly Eastern Seaboard and Southeastern US)Commitment:Minimum 40 hours/weekCompensation: $117,000 - $143,000 What This Job Involves Commissioning Leadership & Technical Execution Lead and execute comprehensive commissioning activities across all project phases including design, pre-construction, construction, and post-construction. Demonstrate fluency with commissioning processes and deliverables per ASHRAE, CSA, and LEED requirements. Develop robust Commissioning Plans and Specifications while implementing electrical and EPMS QA/QC inspection programs for complex facility projects. Field Operations & Testing Conduct field-based commissioning activities including site visits, startup witnessing, functional testing, and integrated systems testing. Utilize calibrated testing equipment such as flow hoods, anemometers, pitot tubes, IR cameras, and Power Quality Meters. Develop startup and test forms, functional test scripts, and integrated systems test scripts while managing execution and witnessing activities. Documentation & Quality Management Manage end-to-end project documentation including preparation, review, and issuance of commissioning deliverables. Develop inspection checklists, test scripts, procedures, and project-specific documentation. Write detailed Standard Operating Procedures (SOPs) and Methods of Procedures (MOPs). Compile comprehensive site-specific Systems Manuals and maintain Issues Logs to track and resolve project challenges. Stakeholder Collaboration Work directly with General Contractors, MEP trades, inspectors, authorities having jurisdiction (AHJs), consultants, and contractors. Chair commissioning meetings and coordinate cross-functional teams. Schedule and coordinate JLL and project team members to maximize efficiency while ensuring contractor compliance with requirements. Project & Contract Management Protect JLL's contractual position and ensure all work meets contracted requirements. Perform commissioning design drawing, specification, and submittal reviews. Manage fee allocation, time and productivity, conflict resolution, and quality standards. Deliver project status reports and analyze contractor schedule updates. Required Skills Education & Experience Bachelor's degree in Engineering or equivalent (Engineering degree preferred) Minimum 10 years of relevant MEP engineering and/or field-testing experience Minimum 5 years providing building commissioning and/or construction QA/QC field services