Job Description Start here. Grow here. Are you ready to shape the future of water infrastructure? We’re looking for a Principal Mechanical Engineer to join our growing Water Solutions team in Bristol, Cardiff, Exeter, or Plymouth. In this role, you’ll play a key part in delivering South West Water's and Wessex Water's £8 billion capital programmes. These projects span from small rural sites to multi-million-pound schemes and cover both water and wastewater (Infrastructure and Non-Infrastructure). The frameworks are long-term, extending through AMP8 and AMP9. You’ll contribute to two major frameworks as part of this investment: South West Water : Framework for Engineering Consultancy Services - Lot 3 - Multi-Discipline Engineering Design. Wessex Water : Capital Delivery Partner Framework Agreement - Lot 2 - Design Consultants. As part of a growing multi-disciplinary team with a long-standing presence in the region, you’ll be joining a group recognised for excellence, having won the IChemE Global Water Award 2023. You’ll have opportunities to develop your technical career not only through involvement in local projects but also by contributing to flagship initiatives across the UK&I and globally. With flexible working from our South West & Wales 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: Develop feasibility studies, outline and detailed designs, and provide construction support. Create design drawings, select mechanical plant, and prepare technical specifications. Collaborate with multidisciplinary teams, including civil, electrical, process, and mechanical engineers. Ensure high technical quality, contribute to bids, and maintain client relationships. Manage project budgets, schedules, and deliverables to meet agreed targets. Design mechanical installations for water and wastewater systems, including pumps, screens, valves, and odour control. Conduct site surveys and liaise with clients, contractors, and suppliers. Produce layouts, technical specifications, datasheets, and P&IDs for system designs. As well as providing innovative and industry leading MEICA solutions to Clients, the team also collaborates with a wide variety of disciplines from other offices in delivering projects, including a close working relationship with our Enterprise Capabilities centres in India, South Africa and Romania. AECOM’s digital strategy is driving the adoption of global digital solutions internally in our design process, to improve quality and consistency and streamline activities. You will help shape these digital offerings and use them on projects, including BIM, Projectwise, intelligent P&ID’s and AECOM’s own tools developed in-house, such as our pumping station generator. 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.