Mechanical Design Engineer - Up to £51K + Benefits 📍 Sheffield | 🌱 Low Carbon Energy Infrastructure A fast-growing UK low carbon energy company is looking to hire a Mechanical Design Engineer to support the design and delivery of district heating and energy infrastructure projects across the UK. This is a great opportunity for an early-career mechanical engineer to gain exposure to projects from feasibility through construction and into operation, working on real-world low carbon heat networks and energy centres. What you’ll be doing: • Supporting the design of hydronic systems and heat networks • Hydraulic & thermal modelling • Assisting with energy centre and plant room design • Producing drawings, calculations and specifications • Working closely with multi-disciplinary engineering teams • Supporting site activities during construction What we’re looking for: • Degree in Mechanical Building Services or Energy Engineering • 1–3 years’ relevant design experience • AutoCAD & Revit experience • Knowledge of UK regulations (CP1 / TS1 desirable) • Proactive, curious and collaborative mindset Why apply? • Work on meaningful low carbon infrastructure projects • End-to-end project exposure (not just desk-based design) • Join a high-growth, sustainability-focused business • Strong career development opportu...