Sr CO2 Refrigeration Service Technician - PA/NJ

RD&S is expanding our commercial and industrial CO2 refrigeration division, and we are seeking a highly experienced, field-proven Senior CO2 Refrigeration Service Technician to help build one of the strongest CO2 service teams in the region. We are looking for a highly specialized CO2 technician who can support customers professionally in the field, lead service work and field operations, and travel throughout the region as needed.

Key Responsibilities:

• Diagnose and repair complex CO2 refrigeration system issues 
• Troubleshoot: 
  • Transcritical CO2 systems 
  • Parallel rack systems 
  • Gas coolers 
  • Electronic expansion valves 
  • Refrigeration controls 
  • Mechanical and electrical system issues 
• Perform planned maintenance, emergency service, and customer support activities 
• Generate accurate service documentation and reporting 
• Serve as a senior technical representative to customers 
• Maintain strong communication throughout service and project execution 
• Provide technical recommendations and long-term service solutions 
• Support and mentor junior technicians when needed 
• Ensure projects and service work are completed safely, professionally, and efficiently  
• Support CO2 construction, startup, and commissioning activities as required 
• Assist project teams with system startup, controls verification, and operational testing 
• Coordinate with project managers, controls teams, and contractors during startup activities 

• Extensive hands-on experience with commercial and/or industrial CO2 refrigeration systems 
• Proven experience with: 
  • CO2 transcritical systems 
  • Advanced troubleshooting 
  • Refrigeration controls integration 
  • Parallel rack systems 
  • Mechanical and electrical diagnostics 
• Ability to work independently with minimal supervision 
• Strong customer communication and professionalism in field environments
• Strong written communication skills and experience preparing detailed field service and startup reports 
• Willingness to travel extensively based on customer and project demands 
• Commitment to safety, technical excellence, and high-quality workmanship 
• Startup and commissioning experience is strongly valued
• EPA Certification required 
• Valid Driver’s License required 
• OSHA certification preferred 

 Benefits:

• Eligible for healthcare benefits on Day 1 of employment:
  • Medical, dental, vision, and prescription drug coverage
  • Flexible Spending Account (FSA), Dependent Care Spending Account (DCSA)
  • Health Savings Account (HSA)
  • Company-paid Life Insurance; Supplemental Employee, Spouse, and Dependent Life
  • Accident Hospital Indemnity
• Company-paid Short and Long-term Disability Insurance
• Pet Insurance
• Employer matched 401(k) saving plan (with Roth option)
• Weekly paycheck
• Generous paid holiday schedule (11 days per year)
• Paid time off (vacation + sick time)
• Learning & Development programs
• Employee Referral Bonus Program
• Tuition Reimbursement

EOE – Disability/Veterans