Plumber / HIU Engineer

Criterion Capital is seeking a skilled and reliable Plumber / HIU Engineer to support our portfolio of residential PRS buildings across Central London. This is a fantastic opportunity to join a growing in-house maintenance team that plays a vital role in keeping our homes safe, functional, and comfortable for our residents.

You will be responsible for planned and reactive plumbing works, with a strong focus on HIU (Heat Interface Unit) systems, across our residential sites. From routine maintenance to emergency call-outs, you'll ensure systems are operating efficiently and residents receive excellent service.

• Carry out maintenance, servicing, and repairs on plumbing systems, including HIUs

• Diagnose and resolve faults promptly across residential apartments and communal areas

• Conduct inspections and testing in line with regulations and safety standards

• Work alongside the wider engineering and maintenance team to deliver a high-quality service

• Maintain accurate records of work completed and materials used

• Support with general building services and occasional weekend cover, if required

• NVQ Level 2/3 in Plumbing or equivalent

• Demonstrated experience working with HIU systems in residential or commercial environments

• Good understanding of hot water and heating systems in multi-unit buildings

• Excellent problem-solving skills and ability to work independently

• Strong customer service focus and professional communication

• Full UK driving licence is a plus but not essential