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 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. Senior Commissioning Engineer Position Overview JLL 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, MI Travel: Up to 50% across USA client sites Commitment: Minimum 40 hours/week Compensation: $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 Technical Expertise Expert knowledge of commissioning processes per ASHRAE, CSA, and LEED standards Working knowledge of MEP equipment/systems installation, startup, pre-functional testing, inspections, and acceptance testing Proficiency using electrical testing meters and equipment including Power Quality Meters, thermography, NETA tests, ground tests, hi-pot, megger Knowledge and experience testing utility transformers, UPS systems, generators, automated paralleling switchgear, ATSs, STSs, fuel oil systems, PDUs, EPMS, and electrical power generation/distribution systems Proficiency with calibrated testing equipment (flow hoods, anemometers, pitot tubes, IR cameras, various meters) Software & Systems Proficiency in QA/QC and commissioning software: BIM360, CxAlloy, Facility Grid Proficiency in MS Project, Word, and Excel Strong data management skills Professional Competencies Excellent written and verbal communication skills Demonstrated ability to coordinate multiple project schedules and deliver status reports Ability to analyze and report on contractor and third-party schedule updates Strong fee, time, productivity, conflict, and quality management capabilities Ability to develop, review, and evaluate training programs for installed equipment and systems Preferred Skills Certifications & Licenses CEM, CBCP, CPMP, and/or LEED designation Professional Engineer (PE) or PMP certification Additional Experience Experience in consultancy or owner organization Background as a Facility Manager Experience as an operating engineer in data centers or mission-critical facilities International project experience Language Skills Work fluency in Spanish and/or Portuguese Flexibility Willingness and ability to travel internationally when needed JLL is committed to developing and maintaining a diverse workforce. JLL strongly believes in equal opportunity extended to all individuals in all aspects of the employment relationship. This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship. Estimated compensation for this position: 117,000.00 – 143,000.00 USD per year This range is an estimate and actual compensation may differ. Final compensation packages are determined by various considerations including but not limited to candidate qualifications, location, market conditions, and internal considerations. Location: Remote –Arlington, VA, Boston, MA, Charlotte, NC, Chicago, IL, New York, NY, Philadelphia, PA, Tampa, FL, Washington, DC If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table! Personalized benefits that support personal well-being and growth: JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include: 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 At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing. 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Activate your Personal Job Alerts now and receive opportunities as soon as they are advertised. If you're a current JLL employee, please apply using the Internal Career Site At JLL, we give you the opportunity, knowledge and tools to own your success, because we value what makes each of us unique. We help our people thrive, grow meaningful careers and find a place where they belong. Together, we strive to be exceptional and shape a better world. For over 200 years, JLL (NYSE: JLL), a leading global commercial real estate and investment management company, has helped clients buy, build, occupy, manage and invest in a variety of commercial, industrial, hotel, residential and retail properties. A Fortune 500® company with operations in over 80 countries around the world, our employees bring the power of a global platform combined with local expertise. 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