Mechanical Project Engineer - Wastewater wide

Mechanical Project Engineer - Wastewater (UK wide)

2 weeks ago Be among the first 25 applicants

Get AI-powered advice on this job and more exclusive features.

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

At the forefront of the biggest transformation and investment programme of the UK Water sector in decades, Jacobs along with our JV Partners and Customers, bring together exceptional talent and expertise to deliver complex turnkey solutions from concept, feasibility, and planning to design, construction management, commissioning and through life asset O&M management, creating once in a generation opportunities.

In these roles you won’t just witness this transformation — you’ll drive it, you will be an integral part of our UK team shaping the future of water industry by delivering high value complex innovative and sustainable solutions that protect resources and strengthen resilience. From feasibility and planning to advanced design, construction, and commissioning, you will play a critical role in projects such as pumping stations, treatment plants, and associated CAPEX assets, ensuring compliance with regulatory and safety standards.

With multiple roles available across all levels, as part of a UK wide team recognised for delivering world class solutions you will contribute to or lead engineering activities throughout their project lifecycle from concept and detailed design through to commissioning—collaborating with multi‑disciplinary teams, JV partners and clients to achieve outstanding results. Your remit will include;

• Deliver Mechanical Engineering Design Excellence – Design of water and wastewater systems, including pumping stations, treatment plants, conveyance systems, and associated infrastructure, from concept through completion
• Innovate & Add Value – Participate in value engineering, buildability, performance, reliability workshops, delivering sustainable and innovative design solutions for water infrastructure
• Equipment Selection – Specify mechanical equipment such as pumps, blowers, screens, valves, chemical dosing plant, and odour control systems
• Project Lifecycle Involvement – Develop feasibility studies, outline and detailed designs, and provide construction and commissioning support
• Technical Documentation – Produce design layouts, technical specifications, datasheets, and P&IDs for mechanical systems
• Compliance & Standards – Ensure designs meet UK water industry standards, health & safety, and environmental regulations
• Constructability & Commissioning – Embed practical and commissioning requirements into designs from the outset
• Solutions Delivery – Collaborate with multidisciplinary teams (civil, electrical, process engineers) to deliver integrated solutions
• Project Management Support – or lead design management, scheduling, risk management, change control, and financial forecasting
• Site Engagement – Conduct site surveys and investigations, liaising with clients, contractors, and suppliers to ensure practical and efficient solutions
• Team Collaboration – Foster a culture of knowledge sharing, innovation, mentoring and professional growth within the mechanical discipline

• Professional Membership – Working toward or holding chartered status (e.g., IMechE or equivalent), depending on experience
• Experience – Progressive experience in the delivery of detailed design and Design & Build solutions for water, wastewater, and bioresources projects
• Technical Knowledge – A sound understanding and knowledge of mechanical engineering principles, project lifecycle management, and mechanical equipment and systems used in water/wastewater treatment
• Regulatory Awareness – Familiar with UK water sector regulations, health & safety, and environmental standards
• Health & Safety – Robust understanding of current health, safety, and welfare legislation, promoting best practices at all levels
• Design Experience – With…