Refrigeration Field Engineer/Commissioning Agent

City Building Engineering Services•Danbury, CT

About The Position

The Field Engineer / Commissioning Agent supports the start-up and commissioning of refrigeration, HVAC, and Energy Management System (EMS) infrastructure for supermarket new construction and remodel projects. The role focuses on executing commissioning activities, verifying system performance, and supporting final system acceptance at client sites. The position reports to the Manager of Field Engineering and works with engineering, construction, and client teams to ensure systems are installed, tested, and operating according to project requirements. The role includes site inspections, on-site commissioning and functional testing, commissioning HVACR equipment and refrigeration rack systems, evaluating and documenting existing systems, and preparing interim and final commissioning reports. It also verifies EMS and RHVAC controls, supports minor wiring and programming changes, helps troubleshoot and resolve technical issues, performs minor repairs and adjustments, and communicates commissioning status and risks to stakeholders. CBES describes itself as an integrated professional services firm supporting technical requirements and sustainable solutions for retail and related industries. It provides project design, engineering, construction, and commissioning services. The company offers 28 days of PTO, a 401(k) with immediate vesting and company match, training, and a Leadership Development framework.

Requirements

Minimum 3+ years of experience in supermarket construction, commissioning, engineering, or HVACR/controls maintenance.
Working knowledge of large refrigeration rack systems, including DX, Cascade, Micro DS, and Transcritical CO₂.
Experience operating and programming Danfoss and/or Emerson supermarket control systems.
Strong organizational, analytical, and troubleshooting skills.
Effective oral and written communication skills.
Valid Driver’s License.
Ability to read and interpret technical drawings, schematics, and specifications.
Strong attention to detail and documentation accuracy.
Customer-focused mindset with a professional field presence.
Ability to work independently while following established processes and direction.
Comfort working in machine rooms and field environments that may be loud, dusty, confined, or difficult to access.

Nice To Haves

AutoCAD experience.

Responsibilities

Conduct site visits during construction and remodel phases to inspect installation progress and verify adherence to project scope, design documents, and programming standards.
Execute on-site commissioning activities, including point-to-point testing and functional verification of EMS-controlled equipment.
Commission newly installed or relocated HVACR equipment for construction or remodel projects.
Provide start-up and commissioning support for refrigeration rack systems in coordination with contractors and manufacturers.
Evaluate and document existing RHVAC and EMS systems for integration into capital projects.
Prepare interim commissioning reports and final commissioning documentation, identifying exceptions, deficiencies, and out-of-spec conditions.
Support resolution tracking in collaboration with the Construction Project Manager and engineering teams.
Verify proper operation, communication, and programming of EMS and RHVAC control systems.
Implement minor control wiring modifications and programming adjustments as required for inspections and commissioning activities.
Support EMS programming updates as directed by engineering or field leadership.
Act as a technical resource for assigned Level 2 refrigeration and EMS-related issues.
Assist with troubleshooting and resolution of system issues remotely and on-site.
Perform minor repairs and system adjustments on HVACR and control components as needed.
Collaborate with Construction Project Managers, engineering teams, contractors, and vendors to support timely issue resolution.
Communicate commissioning status, risks, and outstanding items clearly and professionally to project stakeholders.