Job Description Start here. Grow here. Are you ready to shape the future of water infrastructure? We’re looking for a Mechanical Engineer to join our growing Water Solutions team, with flexibility to be based in St Albans, Croydon, Basingstoke, Bristol, Cardiff, Exeter, or Plymouth. In this role, you’ll play a key part in delivering multi-billion-pound capital programmes across the UK water sector, contributing to projects ranging from small rural sites to complex, multi-million-pound infrastructure and non-infrastructure schemes in both water and wastewater. These long-term frameworks extend through AMP8 and AMP9, offering security, variety, and the opportunity to make a real impact in shaping sustainable water solutions. You will contribute to several major frameworks, including: Key Programmes You’ll Support: Southern Water – £3.7 billion Capital Delivery Programme: Strategic Delivery Partner (SDP) Frameworks: Supporting Tier 1 Contractors on: Lot 1: Non-infrastructure water projects Lot 2: Non-infrastructure wastewater projects Low Complexity Delivery Route & SDP Lot 3 Infrastructure Frameworks: Partnering exclusively with Tier 1 Contractors to deliver high-quality wastewater infrastructure projects. South West Water – Engineering Consultancy Services Framework: Lot 3 – Multi-Discipline Engineering Design Wessex Water – Capital Delivery Partner Framework: Lot 2 – Design Consultants With flexible working from our locations, you’ll collaborate across multi-disciplinary teams to deliver innovative and sustainable solutions. As part of AECOM, you’ll engage in impactful projects from inception through to delivery, enhancing the environment and supporting communities. Here's what you'll do: Preparing feasibility studies, outline design, detailed design and construction support. Producing design drawings, mechanical plant selection and specification. Liaising and collaborating with our water and other discipline teams including civil, electrical, process and mechanical engineers nationwide. Preparing design of mechanical installations typically including municipal water and wastewater pumping stations, screens, grit removal plant, penstocks, valves, odour control systems, pipework etc. Site visits to carry out site surveys and the support of liaisons with clients, contractors & suppliers. Producing plant layouts, technical specifications, Wimes datasheets, valve schedules, equipment schedules, lifting strategies and P&IDs Producing headloss calculations and pumping system analysis / pump selection If you're passionate about innovation and turning bold ideas into reality, AECOM welcomes you. Join our team, where we don't just construct infrastructure but also uplift communities and enhance lives. Why not give our AECOM Water page on LinkedIn a follow to stay updated on the impactful projects we're working on and see firsthand the difference we're making in the industry! Come grow with us. Become part of our dynamic Water business, which boasts around 700 experts across the UK & Ireland, including 170 specialists across our England & Wales Water Solutions team. Collaborate with top-tier civil, mechanical, electrical, and process engineers to deliver a variety of captivating projects, from small initiatives to large-scale ventures, all the way from concept to completion. Here, you’ll thrive in an inclusive and forward-thinking environment where your contributions are valued. Enjoy the Perks. At AECOM you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.