City Facilities Management (US) LLC · 4 days ago
CO2 Commissioning Agent/Project Manager
Harrisburg, PA
Full-time
Hybrid
Senior Level
5+ years expCity Facilities Management (US) LLC is a leading integrated professional services firm. They are seeking a CO₂ Commissioning Agent/Project Manager to oversee the startup of CO₂ refrigeration systems and manage supermarket construction projects in the Mid-Atlantic region.
Facilities Services
Responsibilities
Support installation, startup, tuning, and optimization of CO₂ refrigeration systems (transcritical and cascade applications)
Troubleshoot complex issues involving compressors, gas coolers, subcoolers, oil systems, and controls
Verify refrigerant charge, oil management, and system stability
Develop and execute commissioning plans for refrigeration, HVAC, and EMS systems
Perform point-to-point and functional testing of EMS-controlled equipment
Commission HVACR equipment installed or relocated during construction/remodel projects
Validate control sequences and alarm parameters
Implement minor programming changes and wiring modifications
Troubleshoot Level 2 refrigeration and EMS issues
Provide startup assistance and support final acceptance activities
Perform minor mechanical adjustments and repairs during commissioning
Verify corrective actions and assist with CX2/CX3 closeout
Prepare interim and final commissioning reports detailing deficiencies and corrective actions
Ensure smooth system turnover to operations and maintenance teams
Lead planning, scheduling, and execution of supermarket construction and remodel projects
Coordinate refrigeration, HVAC, EMS, electrical, and mechanical scopes across multiple stakeholders
Serve as the primary technical liaison between engineering, contractors, vendors, and operations teams
Manage vendors and subcontractors through installation, startup, and closeout phases
Ensure work is performed in accordance with drawings, specifications, and commissioning requirements
Ensure the vendor is completing punch list and commissioning deficiency to CBES scope standards
Identify project risks related to refrigeration, HVAC, and controls systems and implement mitigation plans
Ensure compliance with applicable codes, safety standards, and refrigerant regulations
Oversee quality assurance through installation verification and commissioning readiness
Maintain project documentation including schedules, construction tracking, commissioning status, and closeout records
Provide regular project updates to internal and client stakeholders
Qualification
Required
5+ years in supermarket construction, refrigeration, commissioning, or facilities engineering
Hands-on experience with CO₂ refrigeration systems and large rack applications
Proficiency with supermarket refrigeration systems (CO₂, glycol, DX, cascade, transcritical)
Familiarity with control platforms such as Danfoss and/or Emerson
Strong understanding of HVAC systems, EMS/BAS architecture, and commissioning best practices
Experience managing construction projects, budgets, schedules, and vendors
Leadership and cross-functional coordination
Excellent written and verbal communication
High attention to detail and problem-solving ability
Ability to balance office-based management with hands-on field execution
Benefits
28 days of PTO
401(k) with immediate vesting and company match
Company
City Facilities Management (US) LLC
City Facilities Management (US) LLC is a leader in end-to-end integrated facilities management for some of the top retailers and grocers across the nation.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Sean Lockwood
CFO - North America
Marcy Mooney
Talent Acquisition Partner
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