Role overview Harniss Building Services Solutions are a successful building services consultant and contractor that undertake design, installation and commissioning of building services with a specialism in the private healthcare sector. We are experienced in low-carbon engineering solutions and renewable technologies, delivering innovative and sustainable designs that support the industry''s transition towards net-zero carbon objectives. This is an exciting opportunity for a highly skilled Senior Mechanical Design Engineer to join our dynamic team. You will play a key role in designing and delivering innovative, sustainable and efficient mechanical systems for a range of projects. You will also provide technical expertise, support junior team members, and contribute to the successful delivery of complex projects across the healthcare and commercial sectors. The role offers the chance to work on cutting-edge low-carbon and renewable energy solutions, contributing to the industry''s shift towards more sustainable building practices. Responsibilities Produce detailed mechanical designs, including schematics, ventilation, heating and cooling, domestic services and public health services. Undertake calculations in accordance with British Standards and industry best practice. Ensure all designs fully align with employer requirements, British Standards, Building Regulations, HTM guidance (where applicable), and relevant industry standards. Support the Design/Engineering team to ..... full job details .....