Commissioning Engineer, Data Centers

JLL-Skae is seeking a passionate and experienced data center commissioning professional to join our expanding commissioning team. This role centers on supporting the rapid growth of our data center commissioning services primarily in the Atlanta metro area, with travel to projects throughout the US and Canada. You’ll work on a diverse portfolio spanning new construction, greenfield projects, operational facility expansions, and existing facility upgrades. This full-time career position with a Fortune 200 company offers exceptional opportunities for professional growth and advancement.

Your day-to-day tasks will include:

• Applying commissioning processes and deliverables in accordance with ASHRAE commissioning requirements and guidelines across all project phases
• Leading electrical and mechanical equipment installation oversight, component startup inspections, pre-functional testing, and integrated systems validation
• Collaborating with cross-functional stakeholders including Owners, Contractors, Inspectors, AHJs, Engineers of Record, Vendors, and Manufacturers to ensure seamless commissioning execution
• Troubleshooting and diagnosing critical mechanical and electrical equipment issues, documenting findings, and coordinating resolution with contractors and vendors
• Managing multiple concurrent commissioning activities while maintaining clear and effective stakeholder communications throughout project lifecycles
• Developing and reviewing L1-L5 commissioning test scripts, standard operating procedures (SOPs), and Methods-of-Procedures (MOPs) for data center systems
• Conducting network diagnostic testing, heat load testing, scenario testing, and integrated systems testing to validate facility performance and operational readiness
• Performing commissioning-focused design drawing, specification, and submittal reviews to ensure alignment with project requirements
• Preparing detailed daily, weekly, and monthly client commissioning reports and compiling project documentation into comprehensive Systems Manuals, For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.

Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process - including the online application and/or overall selection process - you may email us at HRSCLeaves@jll.com. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.

Pursuant to the Arizona Civil Rights Act, criminal convictions are not an absolute bar to employment.

Pursuant to Illinois Law, applicants are not obligated to disclose sealed or expunged records of conviction or arrest.

Pursuant to Columbia, SC ordinance, this position is subject to a background check for any convictions directly related to its duties and responsibilities. Only job-related convictions will be considered and will not automatically disqualify the candidate.

California Residents only

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Pursuant to the Los Angeles Fair Chance Initiative for Hiring Ordinance, JLL will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

• Minimum 5-7 years of relevant engineering and/or field-testing experience (5 years for Mid-Level, 7 years for Senior Level positions)
• Minimum 3-5 years providing third-party commissioning services for data center construction projects (3 years for Mid-Level, 5 years for Senior Level)
• Documented experience as an Electrical, Mechanical, and/or Controls third-party Commissioning Engineer (or Cx Lead/PM) on data center projects with capacities of 25+MW
• Strong proficiency in MS Outlook, PowerPoint, Word, and Excel with excellent data management capabilities
• Ability to use testing meters and equipment including Power Quality Meters (PQM), thermography, NETA tests, ground tests, hi-pot, and megger
• Knowledge and hands-on experience testing Transformers, UPS systems, Generators, Switchgear, Chillers (air and water cooled), CRACs/CRAHs, liquid cooling systems (CDUs), and monitoring/control systems
• Proficiency in QA/QC and commissioning software applications such as BIM360, CxAlloy, Facility Grid, and related platforms
• Willingness to travel overnight up to 40% across the USA and Canada (typical durations not exceeding two weeks)
• Excellent written and verbal communication skills with strong project management and coordination abilities

Preferred:

• ABET accredited engineering or technology degree (equivalent industry experience acceptable)
• Commissioning Professional certification from a recognized industry authority
• Professional Engineer (PE) certification
• Project Management Professional (PMP) certification

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

150,000.00 - 200,000.00 parental leave, paid time off, 401(k) United States, Tennessee, Nashville Sep 06, 2026, 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., 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

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., Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely.