Senior Mechanical Engineer (design) Location: St Asaph, North Wales Contract Type: Limited Company – Outside IR35 Contract Duration: 12 Months Rate: £50–£55.00 per hour (Ltd) Working Hours: 40 hours per week Working Pattern: Hybrid Sector: Water & Wastewater The Opportunity We are seeking an experienced Mechanical Engineer to join an engineering team delivering a portfolio of clean water and wastewater infrastructure projects across the UK. This is a 12-month contract opportunity, operating Outside IR35, offering £50–£55 per hour through a Limited Company. The successful contractor will provide mechanical engineering expertise across the project lifecycle, from concept and detailed design through to construction, commissioning and handover. The role would suit an experienced Mechanical Engineer with a strong background in the UK water and wastewater sector, particularly those with experience delivering treatment works, pumping stations and associated mechanical infrastructure. Key Responsibilities Deliver mechanical engineering designs for water and wastewater infrastructure projects. Produce and review technical specifications, calculations, drawings, schedules and engineering reports. Develop mechanical equipment specifications covering pumps, pipework, valves, pressure systems, tanks, screens and treatment process equipment. Work collaboratively with multidisciplinary teams including civil, process, electrical and ICA engineers. Support design reviews, constructability assessments and value engineering exercises. Ensure designs meet client requirements, relevant legislation, industry regulations and applicable engineering standards. Provide technical support through procurement, installation, commissioning and project handover. Review supplier quotations, technical submissions, equipment data and vendor documentation. Attend site visits and provide engineering support where required. Contribute to the successful delivery of projects against programme, technical and quality requirements.Requirements Essential Degree qualified in Mechanical Engineering or equivalent. Proven experience delivering mechanical engineering projects within the UK water and wastewater industry. Strong knowledge of water and wastewater treatment processes and associated mechanical equipment. Experience producing engineering calculations, specifications and technical documentation. Familiarity with CDM Regulations and relevant UK engineering standards. Strong communication and stakeholder management skills. Ability to work effectively within multidisciplinary project teams. Previous experience working in a contractor or consultancy environment.Desirable Experience working on AMP programmes. Chartered Engineer status or working towards professional registration. Experience working with United Utilities, Yorkshire Water, Severn Trent Water or other UK water utility frameworks. Knowledge of BIM and multidisciplinary design environments. Experience supporting projects through construction and commissioning.Key Skills & Experience Mechanical design and engineering analysis. Pumping station and treatment plant equipment design. Mechanical equipment selection and specification. Technical calculations and report writing. Design review and technical assurance. Problem solving and engineering troubleshooting. Supplier and vendor document review. Stakeholder management. Multidisciplinary design coordination. Construction and commissioning support.Get in touch now If you're seeking a new opportunity and think you have the skills and experience we are looking for, then apply now or contact Stuart Cooper via Linkedin Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply. We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate. Millbank operates as both an Employment Agency and an Employment Business
Senior Mechanical Engineer in Saint Asaph employer: Millbank Holdings
Millbank Holdings Ltd is an exceptional employer, recognised as one of the UK's Best Big Companies to Work For, offering a dynamic work environment where no two days are the same. With a strong commitment to employee growth and a collaborative culture, you will have the opportunity to enhance your skills while working on diverse site services equipment in a supportive and inclusive atmosphere. The company prioritises safety and continuous improvement, ensuring that you can thrive in your role as a Site Services Engineer.
