Commissioning Engineer, Building Systems

Commissioning Engineer – JLL

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 find a place where they belong. Whether you have 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.

What this job involves

JLL is seeking a Commissioning Engineer to provide reliable, efficient support to our Commissioning & Building Analytics (CBA) team. You'll work with diverse internal and external stakeholders while exercising independent judgment to manage multiple priorities in a fast-paced environment. The ideal candidate will be detail-oriented with strong organizational skills and a collaborative mindset, directly supporting JLL's commitment to delivering high-quality commissioning services that ensure optimal building performance.

What your day‑to‑day will look like

• Execute commissioning processes according to ASHRAE, CSA, and LEED requirements

• Conduct inspections and testing of mechanical, plumbing, electrical, fire protection, and control systems

• Manage commissioning projects through design, pre‑construction, construction, and post‑construction phases

• Develop comprehensive commissioning plans, specifications, and test scripts

• Perform field‑based activities including site visits and directing functional tests

• Review design drawings, specifications, and submittals for commissioning compliance

• Lead commissioning meetings and maintain detailed issue logs

Required Qualifications

• University technical degree (Engineering degree preferred)

• LEED AP certification

• Minimum 10 years of relevant mechanical engineering/field‑testing experience

• Minimum 5 years in building commissioning

• Experience with mechanical testing equipment and data analysis

• Knowledge of HVAC&R systems, building management systems, and fire protection

• Proficiency in MS Project, Word, and Excel

Preferred Qualifications

• Professional Engineer/PE or PMP designation

• CEM, CBCP, and/or CPMP designations

• Master Mechanic License

• Experience with electrical testing equipment

• Background in consultancy or owner organization

• Facility Management experience

• Operating engineer experience in data centers or mission-critical facilities

Location

On‑site – Berkeley, MO, Dallas, TX, El Segundo, CA, Los Angeles, CA, North Charleston, SC, Seal Beach, CA

Salary / Compensation

Estimated compensation for this position: 115,000.00 – 135,000.00 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.

Benefits

Personalized benefits that support personal well‑being and growth:

• 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

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:

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.

Equal Opportunity Statement

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.

For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.

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