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We’re recruiting for a technically skilled Technical Support Engineer to join a growing aftersales and service support function based in Portsmouth.  This is an excellent opportunity for someone with an electro-mechanical background and experience supporting heat pumps systems who enjoys fault finding, technical problem solving and supporting engineers, installers, and customers.  You will play a key role in delivering high-quality technical support, ensuring equipment performance, supporting commissioning activities and contributing to ongoing product and service improvements.

As Technical Support Engineer, you’ll provide remote technical assistance to customers and field service engineers, supporting installation, commissioning, servicing, and fault resolution across a range of heat pumps as well as heating, cooling and air handling equipment. You will also support warranty investigations, product testing, and technical training delivery.

Main Duties

Provide telephone and email technical support to customers and service engineers
Diagnose faults and support troubleshooting of heating, cooling, and air handling systems
Test and fault-find returned warranty items
Configure and set parameters on spare parts prior to dispatch
Support commissioning activities and communicate technical requirements to engineers
Produce technical documentation and training materials
Deliver product and aftersales training to customers and partners
Assist with quality and compliance activities (ISO 9001:2015)
Attend site visits when required to support technical investigations

Skills & Knowledge

Electro-mechanical technical background (HNC/HND or equivalent preferred)
Experience supporting heat pumps, HVAC, or air handling systems
Strong fault-finding and diagnostic skills
Ability to read wiring diagrams, schematics, and technical manuals
Competent testing electrical components and equipment
Confident communicator — phone, email, and technical reporting
Self-motivated with a proactive approach to learning and product knowledge
Full UK driving licence

Salary & Benefits

£45-50K salary depending on experience
Company pension
25 days holiday + bank holidays
Training and development support
Stable, supportive engineering environment
Opportunity to work with advanced heating and cooling technologies