Industrial Refrigeration Commissioning Engineer

Johnson Controls, Inc.; Leeds; On-site; GBP 80,000 - GBP 100,000; Full time

Job summary

A global leader in industrial refrigeration is seeking a Commissioning Engineer in Leeds, UK, to manage the start-up and commissioning of industrial refrigeration systems. You'll ensure compliance with regulations and work closely with sales and design teams. Ideal candidates will have experience with ammonia/CO₂ systems, knowledge of screw compressors, and ability to interpret technical documentation. Competitive salary, company car, and various employee benefits are offered, promoting a good work-life balance.

Benefits

Competitive salary and overtime

Company car

Pension and life assurance

Employee Assistance Program

Referral scheme

Work-life balance culture

Qualifications

• Strong experience in commissioning systems in industrial settings.
• Knowledge of Pressure Systems Safety Regulations (PSSR) and BS EN378.

Responsibilities

• Responsible for the start-up and commissioning of refrigeration systems.
• Act as the primary technical contact for clients during commissioning activities.
• Support design and project teams throughout the commissioning process.

Skills

Commissioning ammonia and/or CO₂ plant experience

Understanding of screw compressors

Knowledge of natural refrigerants

Experience with PLC/HMI-based control systems

Ability to read P&IDs and wiring diagrams

Education

F-Gas and Ammonia handling certificate

CO₂ (R744) System Training

NVQ Level 2 or 3 in Refrigeration & Air Conditioning

Valid CSCS card

Job description

Johnson Controls Industrial Refrigeration (IREF) division delivers project solutions, maintenance, and service support for customers in manufacturing, cold storage, and R&D testing environments. We are the OEM for SABROE, Frick Compressors, and York products.

What You Will Do

As a Commissioning Engineer, you will be responsible for the start-up and commissioning of industrial refrigeration systems, ensuring compliance with defined system parameters, regulations, standards, and procedures. You will work closely with sales, design engineers, and project managers to ensure systems are delivered and commissioned within scope and budget. This includes plant, equipment, pipework, refrigeration charges, and associated controls.

How You Will Do It

• Act as the primary technical contact for clients during commissioning activities.
• Support design and project teams with final design, scope, and specifications.
• Interpret design documentation and installation requirements for refrigeration systems.
• Apply knowledge of BSEN 378 (2016), Pressure Equipment Directive, Pressure Safety Systems Regulations, and DSEAR.
• Attend onsite reviews, keep customers informed, and guide suppliers and contractors.
• Ensure successful commissioning and client handover.
• Travel across the UK & Ireland as required.

What We Look For

• Previous experience within a similar role/ Proven track record commissioning ammonia and/or CO₂ plant.
• Strong understanding of screw compressors, pumps, evaporators, condensers, and associated equipment.
• Strong knowledge of system types and refrigerants – particularly systems operating on natural refrigerants.
• Experience with PLC/HMI-based control systems and fault finding.
• Ability to read and interpret P&IDs, wiring diagrams, and commissioning plans.
• Comfortable working independently on large-scale industrial sites.

Qualifications

• Working knowledge of Pressure Systems Safety Regulations (PSSR) and BS EN378
• F-Gas and Ammonia handling certificate
• CO₂ (R744) System Training
• NVQ Level 2 or 3 or City & Guilds in Refrigeration & Air Conditioning
• Valid CSCS card

What We Offer

• Competitive salary and overtime with premium rates.
• Company car, pension, and life assurance.
• Employee Assistance Program and mental health support.
• Referral scheme and discounts on Johnson Controls products.
• Voluntary benefits: childcare vouchers, cycle-to-work, eye care, holiday purchase.
• A culture promoting work-life balance and professional development.