## Job Introduction**Sewerage Adoption Engineer (Wastewater Design Engineer) – Office based or Remote**Join a leading utilities company that champions innovation and service excellence. At Icosa Water, part of Last Mile Asset Management, we take pride in delivering high-quality solutions across the multi-utility sector. Our Wastewater team is growing, and we’re excited to welcome a talented Sewerage Adoption Engineer (Wastewater Design Engineer) to play a key role in supporting our future development.As a Sewerage Adoption Engineer (Wastewater Design Engineer), you’ll oversee the adoption of new sewerage systems, sewer diversions, and pre-planning enquiries, providing technical assessments at every stage of the process. Acting as the main point of contact for developer applications, you’ll take ownership of a geographical portfolio, ensuring company assets are protected and adoption processes run smoothly.Here at Last Mile, we pride ourselves in providing a great range of benefits including a fantastic amount of annual leave, including a Christmas shut down.* 25 days holiday, increasing after 2 years by 1 day each year up to 30 days, plus 9 public holidays* Holiday buy scheme* Discretionary bonus* EV and ULEV salary sacrifice scheme (subject to minimum length of service)* Cycle to work salary sacrifice scheme* Up to 7% employer pension contribution* Life assurance (x4 annual basic salary)* Refer a friend incentive* Wagestream* Employee assistance programme* Car allowance* Hybrid or remote working\** Flexible start and finish times for eligible roles\** Private medical insurance\** Company sick pay\**\*Some of our benefits are only applicable when you have successfully completed your probation period\****Your responsibilities as a Sewerage Adoption Engineer (Wastewater Design Engineer):*** Carry out technical appraisals of sewerage network designs, including sustainable drainage systems (SuDS), pumping stations, and rising mains, ensuring compliance with S104 and industry standards.* Provide technical support and guidance to developers, consultants, internal teams, and business development colleagues on design adoptability and sewerage infrastructure.* Contribute to continuous improvement by helping to review and develop internal technical systems, processes, and design controls.* Support adoption and commissioning by advising testing teams, tracking performance metrics, and producing relevant performance and compliance reports.* Develop resources and tools, such as guidance documents, S104 checklists, and input for GIS mapping systems and design variation processes.**Experience / Knowledge:*** Experience of being a Designer or Design Engineer* Strong experience of sewerage design in a developer, consultancy or water company role* Detailed knowledge and understanding Ofwat’s Code for Adoption and in particular the Design and Construction Guidance for foul and surface water sewers* Good knowledge of utilities marketplace and water company adoption policies and procedures**Qualifications*** Engineering Degree or equivalent experience* Chartered Engineer Status preferable**Apply now!*****We aim to keep candidates informed throughout the process and encourage you to apply promptly as we may close the vacancy early if sufficient applications are received.*** Last Mile is one of the largest last-mile multi-utility businesses in the UK. We understand construction and we know utilities. We take responsibility for the ‘last mile’ of infrastructure that connects developments to wider distribution networks. Our strong history in gas and electricity connections, deep knowledge of the industry and secure investor backing means we can provide a comprehensive multi-utility solution that includes clean (ground source) heat networks, electricity, water and wastewater. Working through our operating companies (in South of England and Wales), (in Scotland, North Wales and the North of England) and our asset adoption business , we offer a ‘one-stop shop’ for new utility connections. We’re proud to be both a certified business and a Living Wage Employer, reflecting our commitment to supporting and valuing our people.For further enquiries, contact recruitment@lastmile-group.com or visit our website at *At Last Mile, we are proud to be an equal opportunities employer. We consider all applications solely on the basis of skills and experience and actively encourage candidates from all backgrounds to apply.*The following content contains a map of the job location - Cardiff, United Kingdom.| OpenStreetMap contributors* **Salary** Up to £56,000 DOE* **Frequency** Annual* **Job Reference** B0101.1* **Contract Type** Permanent - Full Time* **Closing Date** 19 October, 2025* **Job Category** Design* **Company** Cardiff* **Location** Cardiff, United Kingdom* **Posted on** 19 September, 2025 #J-18808-Ljbffr