JLL · 1 day ago
Commissioning Engineer
St Louis, MO
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expJLL is seeking a Commissioning Engineer to provide reliable, efficient support to our Commissioning & Building Analytics (CBA) team. The role involves executing commissioning processes, managing projects, and ensuring compliance with various standards to optimize building performance.
Real EstateCommercial
Responsibilities
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
Qualification
Required
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
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
Company
JLL
We’re a leading professional services firm that specializes in real estate and investment management.
10001+ employees
H1B Sponsorship
JLL has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (70)
2024 (47)
2023 (60)
2022 (68)
2021 (39)
2020 (43)
Funding
Current Stage
Public CompanyTotal Funding
$1.59BKey Investors
JP Morgan Chase,Sculptor
2025-11-03Post Ipo Debt· $565.35M
2023-11-08Post Ipo Debt· $400M
2019-05-29Post Ipo Debt· $46.5M
Leadership Team
Christian Ulbrich
Global Chief Executive Officer
Jones Lang LaSalle
Global CEO, Capital Markets and Member
Recent News
2026-02-05
2026-01-07
Company data provided by crunchbase