Job Title: HIU Technician Location: Exeter (with travel to Reading, Bath, and Southampton) Salary: Competitive, with opportunities for progression Driving License Required: Yes (due to travel requirements) We are looking for a skilled HIU Technician to join our growing team in the Exeter, Reading, Bath, and Southampton regions. This exciting opportunity offers a balance of hands-on work and managing resources across a variety of District Heating Networks (DHN) and communal heating schemes, ensuring the efficient operation of HIU-related installations and maintenance activities. Main Responsibilities: Carry out HIU installation, maintenance, and servicing Address breakdowns, upgrades, and commissioning Perform general plumbing and heating (HVAC) work Follow correct working processes and capture accurate visit details Ensure compliance with Health & Safety regulations, including PPE requirements Key Skills & Requirements: NVQ Level 2/3 (or equivalent) in plumbing, heating, or mechanical engineering Significant experience in general plumbing, heating, and mechanical systems Basic electrical knowledge (advantageous) Previous experience with HIUs and District Heating Networks is a plus Full UK Driving License Gas safety registration (advantageous but not essential) Excellent communication skills and ability to work with customers IT literate and confident using computers Further Details: In this role, you'll maintain, troubleshoot, and replace HIUs, similar to domestic gas boilers. You'll work on a variety of heating technologies, including Heat Pumps, AMR, and Metering, across approximately 40 DHN sites and growing. You'll have the chance to develop your expertise in District Heating and Heat Pump Technology while progressing to other areas within the business. Why Join Us? Opportunities for career progression in District Heating, HIUs, and heating technology Access to internal training to support your development A growing market offering job stability and the chance to work with cutting-edge technologies A hands-on, rewarding role with variety and autonomyThis is a fantastic opportunity to become part of a rapidly expanding industry, where you can continuously develop your skills and contribute to improving the operational and commercial performance of heating systems. If you're passionate about delivering high-quality service and looking to progress in a rewarding and growing industry, we want to hear from you Apply now to join a dynamic team and build your career in District Heating Networks. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants