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.

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