Job Description

Calibrate are looking for a highly skilled Senior Service Engineer.
We are seeking a qualified and experienced Senior Service Engineer with strong mechanical and electrical competence and proven experience in commercial Ground Source Heat Pumps (GSHP) and Combined Heat and Power (CHP) systems. This role combines hands-on technical work with team leadership, project supervision, and mentoring responsibilities. The Senior Service Engineer will act as a technical lead within the service team, supporting the Service Delivery Manager and ensuring work is delivered safely, efficiently, and to the highest standards.
The position is field-based, with travel to customer sites the majority of the time. A convenient base could be central or southern Scotland, North East England, or the Midlands, as clients are distributed across these regions.
Responsibilities:

• Installation & Commissioning: Lead and participate in the installation, commissioning, and setup of GSHP and CHP systems according to company and industry standards.
• Maintenance & Servicing: Perform and oversee planned and reactive maintenance of GSHP and CHP units, typically ranging from 100kW to 1MW capacity.
• Fault Diagnosis: Troubleshoot and resolve complex electrical and mechanical issues, supporting junior engineers with advanced diagnostics.
• Supervision & Leadership: Supervise site teams, coordinate subcontractors, and ensure works are completed on schedule, within budget, and to required quality standards.
• Mentoring & Training: Support the development of service engineers and apprentices by providing technical guidance, mentoring, and on-the-job training.
• Project Coordination: Work closely with the Operations and Project Management teams to plan works, review drawings, and ensure all handover documentation is completed accurately.
• Customer Support: Act as a senior technical contact for clients, providing clear advice and ensuring excellent customer service and communication.
• Documentation & Reporting: Complete service reports, maintain accurate records, and ensure all compliance, safety, and quality requirements are met.
• Health & Safety: Lead by example in promoting a strong safety culture, adhering to all procedures and ensuring safe working practices at all times.

Qualifications and Experience:

• Mechanical and Electrical qualifications relevant to HVAC, GSHP, or CHP systems at commercial/industrial scale.
• Proven experience installing, servicing, and maintaining GSHP and CHP systems, with capability to supervise others.
• Strong diagnostic and fault-finding skills in both mechanical and electrical systems.
• Demonstrable experience leading and supervising site installation teams and managing subcontractors.
• Excellent communication and interpersonal skills with both clients and colleagues.
• Full UK driving license and flexibility to travel approximately 80% of the time.
• SMSTS or SSSTS certification (or willingness to obtain).

#Engineering #RSKfamily #recruitment
Full attached
RSK will not accept unsolicited CVs from agencies other than RSK PSL or Secondary agencies.
We are a leading provider of commercial heating, chilling and electricity generating systems. We design, install and maintain intelligent, low-cost, hands-off heating and chilling systems for high-energy use industries, ensuring maximum energy and cost savings for businesses. Calibrate is very much focused on helping commercial businesses meet the UK government's goal to reach net zero carbon emissions by 2050 for a more sustainable future.
Our team is based near Bamburgh, Northumberland, and operates in the agriculture, chemical processing, food and drink, tourism and leisure, manufacturing, industry and education sectors. We are recognised as innovators, having developed over many years, particular expertise in transforming production efficiencies of large agri-businesses and manufacturing industries.
Our multi-award-winning business counts multiple pioneering and commercial business leaders among its clients, including West Ancroft Farm, Duncote Farm in Shropshire and Kennetsideheads Farm. In the tourism and leisure industry, Calibrate has installed systems at Hall Garth Hotel in Darlington, The Spa at Underscar in Cumbria and Newbiggin Maritime Centre in Northumberland. In the manufacturing sector Foster Bakery in Barnsley and JD Wilkie materials manufacturer in Kirriemuir.
Calibrate Energy Engineering is part of the RSK Group, a leading integrated environmental, engineering, and technical services business providing dynamic, multidisciplinary services to a wide range of sectors. RSK was founded in 1989 and has grown considerably since then.
At RSK, we operate as a group of businesses that work together seamlessly, aiming for growth through diversification. Our strategy helps us build a strong and resilient business, capable of weathering external challenges, while also providing greater value to our clients and more opportunities for our employees.
Since the beginning, our philosophy has remained the same: employ, develop and reward talented individuals. People are crucial to our company, and we recognise that our success hinges on our colleagues' growth. We're committed to preserving RSK's people-first culture, promoting innovation, and fostering a supportive and caring environment for collaboration. At RSK, we want you to be part of our successes and help you reach your career aspirations. We take pride in offering employees fulfilling and challenging careers by promoting ongoing growth and empowering individuals to excel.
We are committed to fostering an inclusive workplace that welcomes individuals from all backgrounds, experiences, and perspectives. We firmly believe that embracing and celebrating the diversity in our workforce makes us a stronger and more innovative company.
By providing workplace adjustments, we make it easier for people to confidently explore and pursue our career opportunities and recognise that flexibility is key to fostering a dynamic and thriving workplace. Many of our office-based positions benefit from a flexible working arrangement, allowing our team members to achieve a balance between professional and personal commitments.
We actively encourage applications from candidates of all genders, races, ethnicities, ages, neurotypes, religions or beliefs, sexual orientations, and those with disabilities.
If you're passionate about making a difference, join us as we work together to build a brighter, more equitable, and sustainable future for all. Do you have what it takes?

Skills Required