What You Will Do

As a Chiller Remote Service Lead, you will play a key role in delivering advanced virtual refrigeration and chiller services across the UK. You will build strong customer relationships by deeply understanding our HVAC service model and each customer’s specific operational needs. Working closely with an international team of Solution Engineers, you will support preventive, proactive and predictive maintenance strategies while helping shape the future of digital services, including artificial intelligence and machine learning–enabled diagnostics. The role involves regular customer interaction, remote analysis and on-site engagement when required.

What We Offer

• Competitive salary
• 25 days annual leave plus bank holidays
• Pension scheme
• Private healthcare and Life insurance
• Employee Assistance Programme
• Employee referral scheme
• Employee discounts
• Cycle to Work scheme
• Discounts on Johnson Controls products
• Ongoing training and career development opportunities
• Supportive, collaborative and safety-driven culture

How You Will Do It

• Review the Connected Equipment Portal, analyse performance data and produce reports and recommendations for customers and internal teams
• Diagnose complex refrigeration and chiller systems remotely and on site
• Deliver virtual, advanced and innovative refrigeration services
• Carry out preventive, proactive and predictive maintenance activities, including detailed troubleshooting
• Provide feedback on chiller serviceability and Connected Equipment Portal functionality
• Collaborate with field service teams and support the connection and commissioning of refrigeration systems
• Develop area-specific playbooks for virtual service delivery
• Advise customers using system data and site assessments, proposing upgrades, retrofits and improvements
• Support sales teams with technical recommendations
• Communicate clearly with internal and external stakeholders to ensure high customer satisfaction
• Coordinate with local support centres when issues arise
• Plan and deliver training on virtual chiller diagnostics and digital tools
• Contribute to the OpenBlue platform roadmap and continuous improvement initiatives

What We Are Looking For

Required

• Strong technical knowledge of HVAC chillers and chiller systems, building automation and energy management systems
• Minimum 5 years’ experience maintaining, diagnosing and troubleshooting HVAC chillers, including large-tonnage chillers and Variable Speed Drive (VSD) technology
• Recent, hands-on experience diagnosing and troubleshooting complex chiller systems
• Ability to use BMS and system data to analyse performance, diagnose faults and identify root causes remotely
• Ability to resolve complex technical issues and engage confidently with customers
• Good IT skills and confidence using digital platforms and apps
• Willingness to travel within the UK

Beneficial

• Knowledge of industrial refrigeration
• Experience maintaining, diagnosing and troubleshooting industrial refrigeration systems
• Experience with remote or virtual diagnostics
• Knowledge of vibration, oil, refrigerant or motor current analysis
• Exposure to AI- or data-driven maintenance solutions
• Training or mentoring experience

About Us

Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.

For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate custom