Senior Chiller Service Engineer

Senior Chiller Service Engineer (Manufacturer – £55,000 to £60,000 + Benefits) - OTE £70K+ Location: UK (Nationwide Travel) Employer: Leading Chiller Manufacturer Salary: £55,000–£60,000 + Overtime + Vehicle + Factory Training (Europe) + Door to Door Paid Travel  = OTE £70K+ About the Role We are a specialist chiller manufacturer seeking an experienced Senior Chiller Service Engineer to join our nationwide technical and commissioning team. This is a high‑level technical role requiring deep knowledge of large tonnage chillers, advanced compressor technologies, and strong electrical diagnostic capability. You will represent the manufacturer directly, attending customer sites across the UK (and occasionally Europe) to carry out: Major breakdown diagnosis Advanced electrical & refrigeration fault‑finding Compressor work (screw, scroll, Turbocore) Commissioning & performance validation Warranty support and technical investigations This position is suited to a confident engineer who can walk into a plantroom independently and take ownership of complex chiller issues. Key Responsibilities Chiller Service & Breakdown Response Diagnose and repair faults on screw, scroll and Turbocore chillers. Attend major breakdowns independently and restore plant operation safely. Carry out full refrigeration diagnostics including superheat, subcooling, oil management and system pressures. Perform compressor replacements, inverter/VSD troubleshooting, and control system resets. Commissioning & Performance Validation Complete full commissioning procedures including: Nitrogen pressure testing Deep vacuum procedures Refrigerant charging Flow, ΔT, and load validation Sensor, control and safety verification Produce commissioning and performance reports to manufacturer standards. Electrical & Controls Work Fault‑find electrical systems including contactors, sensors, inverters, VFDs/VSDs and control boards. Diagnose BMS communication issues and interface faults. Read wiring diagrams and follow sequence‑of‑operation documentation. Customer & Manufacturer Representation Act as the technical face of the manufacturer on site. Provide clear and professional communication with clients, consultants and end‑users. Support warranty investigations and produce detailed technical reports. Maintain exceptional standards of presentation, documentation and compliance. Essential Experience & Technical Requirements Chiller Experience Experience with air‑cooled and water‑cooled chillers above 100 kW. Hands‑on work with screw chillers, scroll chillers, and ideally centrifugal systems. Experience working with leading OEMs such as: Trane, Carrier, York, Daikin, Airedale, Blue Box. Compressor Knowledge Screw compressor rebuilds, slide valve issues, capacity control diagnostics. Scroll replacements and fault diagnosis. Preferably experience with Turbocore magnetic bearing compressors. Electrical Competence Strong ability to diagnose: VSD/VFD faults Sensor failures Control logic issues Board/PCB faults Ability to work safely on 3‑phase systems. Refrigeration Technical Depth Refrigeration cycle understanding beyond installation-level knowledge. Experienced in diagnosing oil return issues, floodback, non-condensables, high pressure trips etc. Competent in R410A, R134a, R32, hydrocarbon refrigerants preferred. Controls & BMS Understanding of BMS input/output signals, setpoints, alarms and control integration. Experience identifying BMS-related performance or communication issues. Certifications F-Gas Category 1 (essential) NVQ Level 3 Refrigeration & Air Conditioning (or equivalent) City & Guilds 2079 17th/18th Edition (highly desirable) Work Environment Comfortable working independently on large critical plantrooms (hospitals, data centres, commercial buildings). Willingness to travel nationwide and attend occasional European factory training. Ability to participate in standby rota. What We Offer £55,000–£60,000 basic salary - OTE £70K+ Door to Door travel paid Fully expensed manufacturer vehicle Specialist tools and equipment Mobile, laptop and uniform Full European factory training 20 days holiday + bank holidays Progression into commissioning, warranty, or technical support roles Ideal Candidate Summary We are looking for someone who can: Diagnose a 400 kW screw chiller alone Strip and rebuild compressors Troubleshoot VSDs and control systems Commission chillers to factory standard Work across multi-brand chillers Represent the manufacturer professionally Travel nationwide & Europe when required If you have significant chiller experience, strong electrical depth, and confidence working on large tonnage plant, we want to hear from you. ‘INDLON’ INDLON We act as an Employment Agency/Business with regards to this vacancy. As an Equal Opportunities employer we welcome applications regardless of race, gender, nationality, ethnic origin, sexual orientation, religion, marital status, disability or age. All applicants are considered on the basis of their merits and abilities for the job