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 Mechanical Design Engineer to join our dynamic team. Working closely with our senior and intermediate engineers, you will contribute to the design and delivery of innovative, sustainable and efficient mechanical systems on a range of projects. You will receive ongoing mentoring and training to develop your technical knowledge and design skills, while gaining hands-on experience across the healthcare and commercial sectors. The role offers the chance to work on cutting-edge low-carbon and renewable energy solutions and to build a long-term career in building services design. Responsibilities Produce detailed mechanical designs, including schematics, heating, ventilation and air conditioning (HVAC), domestic hot and cold water, public health and medical gas systems, taking ownership of the mechanical design on assigned projects. Undertake calculations, including heat loss/gain, pipe and duct sizing and plant selection, in accordance with CIBSE guidance and industry best practice, seeking input from ..... full job details .....