A growing engineering and construction services firm specializing in the retrofit and renovation of public sector facilities is seeking an experienced Building Commissioning Engineer to support projects throughout Illinois, Wisconsin, and Indiana.
This role is responsible for leading and executing commissioning activities on building systems for renovation, retrofit, and energy performance projects across municipal, K-12, higher education, healthcare, and other public facilities. The Commissioning Engineer will ensure that mechanical, electrical, plumbing, and building automation systems are designed, installed, tested, and operating according to project requirements and owner expectations.
The ideal candidate will have 7+ years of commissioning, controls, or building systems experience, strong technical knowledge of building systems, and recognized commissioning certifications
Lead and manage building commissioning activities from design through project closeout.
Review design documents, specifications, and submittals to verify alignment with Owner Project Requirements (OPR) and Basis of Design (BOD).
Develop commissioning plans, pre-functional checklists, and functional performance tests
Coordinate commissioning schedules with project managers, contractors, and facility stakeholders.
Perform and document functional performance testing of building systems.
Commissioning activities will typically include:
HVAC systems (air handling units, boilers, chillers, heat pumps, VRF systems)
Building Automation Systems (BAS) / Controls
Electrical distribution systems
Lighting controls
Domestic hot water systems
Energy efficiency systems and retrofits
Conduct site visits and system inspections during installation and start-up phases.
Identify deficiencies and coordinate resolution with contractors and project teams.
Verify system sequences of operation and control integration.
Witness equipment startup and system performance testing.
Prepare commissioning reports, issue logs, and test documentation
Maintain commissioning documentation throughout project lifecycle.
Assist with training and turnover documentation for facility staff.
Provide technical input on energy performance and system optimization
Interface with engineers, contractors, and public sector facility owners.
Support internal project teams including project managers, engineers, and energy specialists.
Participate in project meetings and provide commissioning status updates.
7+ years of experience in building commissioning, HVAC engineering, building controls, or related field.
Strong technical knowledge of mechanical and electrical building systems
Experience commissioning retrofit and renovation projects
Ability to perform functional testing and troubleshoot building systems
Experience reviewing construction documents and technical specifications
Strong written and verbal communication skills.
Ability to travel to project sites across Illinois, Wisconsin, and Indiana
One or more of the following certifications is strongly preferred:
Certified Commissioning Professional (CCP) – Building Commissioning Association
CxA – Certified Commissioning Authority – AABC Commissioning Group
BCxP – Building Commissioning Professional – ASHRAE
LEED AP
Professional Engineer (PE) – preferred but not required
Experience commissioning public sector facilities, including:
K-12 schools
Universities
Municipal buildings
Healthcare facilities
Experience with energy retrofit or performance contracting projects
Familiarity with ASHRAE commissioning guidelines and industry standards.
Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Architectural Engineering, or related field preferred.
Equivalent technical experience will be considered.
Based in Hoffman Estates, IL with regional travel to project sites throughout the Midwest.
Combination of office work, remote coordination, and field site visits
Collaborative team environment focused on improving building performance and energy efficiency for public sector clients.
Work on impactful projects improving public infrastructure and energy performance
Exposure to complex building systems and high-value retrofit projects
Opportunity to grow within a firm focused on technical excellence and sustainable building performance

Nenni and Associates is an executive search and consulting firm specializing in sales, operations and executive level positions in the energy and infrastructure industries.
We are here to help candidates make transitions throughout their careers that promotes opportunity, growth, financial stability, and an overall better lifestyle.
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Nenni and Associates has been serving our clients for over fifteen years. Founded by Michael Nenni, our consultants have earned the role of trusted advisors to leaders of the energy and infrastructure industries. We offer key insights into business opportunities, provide solutions that leverages strengths, and propel organizations along the path to growth and increased performance.
The Nenni and Associates team are strategic partners in multiple facets of the energy and infrastructure services sector. We strive to continuously support our clients with their hiring needs and overall organization health. We are here to serve our clients as the market changes, and be “in the moment” with market intel as we look to the future together.
Visit our website at www.nenniandassoc.com to inquire about how our expertise can assist your organization!
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