Commissioning II

CannonDesign • St. Louis, MO

3d

About The Position

The Commissioning II role is part of a multidisciplinary team delivering building systems commissioning from planning through turnover, with an emphasis on mechanical and HVAC systems, controls, and operational readiness. The position combines hands-on field work—including site walks, startup support, and functional performance testing—with documentation and client-facing communication. Under the guidance of senior commissioning professionals, the role supports new construction and renovation projects in sectors including education, healthcare, commercial, and science and technology. The position reports to the Lead Commissioning Engineer.

With appropriate supervision, the Commissioning II professional plans and executes commissioning activities for assigned projects. Work includes reviewing construction documents, supporting commissioning plans and schedules, conducting or supporting system tests and startup activities, coordinating with project teams and contractors, tracking deficiencies, maintaining project records, attending meetings, and visiting sites to observe construction and verify readiness for testing.

Requirements

• At least 4 years of experience in commissioning, HVAC system design, building automation design, or closely related field work.
• Associate's degree in engineering or a related field.
• Working knowledge of HVAC systems and terminology, including a basic understanding of controls/BAS sequences and field system operation.
• Ability to read and interpret construction documents, including plans, specifications, and control sequences, and translate them into test procedures and clear field documentation.
• Excellent verbal and written communication skills, teamwork and organizational skills, and the ability to manage multiple projects, priorities, and deadlines with attention to detail.
• Commitment to safety and quality; ability to follow site safety requirements and work effectively in active construction environments.
• Ability to travel to project sites and perform field work involving walking sites, climbing ladders and stairs, and accessing rooftops and mechanical spaces as required.
• Expected travel of 50%.

Nice To Haves

• Bachelor's or master's degree in engineering from an ABET-accredited program.
• Experience supporting functional testing, troubleshooting, and issue resolution in complex facilities such as healthcare facilities, laboratories, or central utility plants.
• Exposure to commissioning best practices and workflows, including issues log management, building systems verification, TAB coordination, and integrated systems testing.
• Experience with controls testing and data trending (DDC/BAS), including reading sequences of operation and verifying points, alarms, and trends.
• Proficiency with Microsoft Office (Word, Excel, Outlook) and common documentation platforms; familiarity with commissioning software platforms.

Responsibilities

• Review and interpret drawings, specifications, sequences of operation, equipment submittals, and technical reports; provide commissioning comments and field observations.
• Support development and implementation of commissioning plans, schedules, and project documentation, including checklists, test forms, meeting notes, and reports.
• Develop and/or execute functional performance tests for HVAC and mechanical systems, such as air handling units, rooftop units, VAV/VRF systems, hydronic distribution, chilled- and hot-water plants, exhaust systems, and smoke-control interfaces as applicable.
• Coordinate commissioning activities with project managers, design teams, contractors, TAB agencies, and controls vendors.
• Witness and/or support system startup, controls point-to-point verification, TAB verification, and integrated testing; document results and follow up on corrective actions.
• Maintain an accurate issues log, track deficiencies through closure, verify corrective actions, and support retesting as needed.
• Manage and maintain commissioning documentation and deliverables, including meeting notes, test records, training verification, and final commissioning reports.
• Participate in project meetings and provide updates on commissioning progress, schedule risks, and key open issues.
• Visit job sites to verify existing conditions, observe construction progress, and confirm installed work supports successful startup and testing.
• Perform other duties as assigned.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree