Lead Design Engineer Salary: Circa £70,000 + Car Allowance Permanent, Full time, 37.5 hours per week Base Location: Osprey House, Huntingdon (Hybrid working) At Alpheus, we deliver innovative water and wastewater treatment solutions for industrial clients. Our engineering projects are critical to their environmental sustainability and operational excellence, and we’re looking for a highly skilled Lead Design Engineer to drive the design and development of complex treatment systems. In this role, you’ll take full ownership of engineering design packages—from concept and feasibility through to detailed design and commissioning. You’ll work closely with Project Managers, Process Engineers, Commercial and Operational teams to ensure successful delivery of capital projects, while also supporting technical proposals and tender submissions. Your expertise will help us create efficient, cost-effective, compliant and winning solutions that meet client requirements and industry standards. Key Responsibilities Lead development and delivery of all design aspects for capital engineering projects (water & wastewater treatment schemes up to £5M+). Produce feasibility and design deliverables across all project stages: tendering, feasibility, concept design, detailed design, and implementation. Prepare: Feasibility and concept design reports. Process design (calculations, PFDs, P&IDs, control philosophy, equipment specs) leading to commercial Process Guarantees. Plant layouts (plans, sections, general arrangements). Civil and MEICA design requirements and specifications. Conduct high-level appraisal and optioneering at tender/feasibility stage to create innovative, efficient solutions. Develop design briefs, specifications, and scopes for specialist technologies, equipment suppliers, and installation works. Review and validate third-party design submissions (process partners, suppliers, subcontractors) for compliance and optimization. Take ownership of all designs ensuring: Robustness, cost-effectiveness, and compliance with client requirements, standards, and CDM regulations. Process Guarantee considerations and design liability recommendations. Develop commissioning plans with project managers/engineers. Execute and participate in commissioning activities, ensuring plant functionality and resolving issues. Develop technical proposals and tenders within deadlines, including: Supply chain engagement, cost buildup, commercial considerations, and technical solution development. Represent company at tender evaluations and customer meetings Promote proposal benefits and features and collaborate with customer engineering teams to build credibility and strong relationships. Stay ahead of industry developments and integrate innovative technologies into design solutions. Champion health, safety, and wellbeing throughout all project phases. Requirements Master’s degree in Process, Chemical, or Mechanical Engineering. Expert knowledge and extensive experience in designing complex water and wastewater treatment systems. Chartered status. Qualified to IOSH standard in Process Safety design, application and management Qualified to CDM Regulations (as Designer) Strong understanding of civil and MEICA engineering disciplines. Proven track record of delivering design packages for major projects. Skilled in process design, including PFDs, P&IDs, and equipment selection. Good Autocad knowledge and experience. Excellent communication, organisational, and stakeholder engagement skills. Full UK driving licence and flexibility to travel. What’s in it for you? Personal private health care 26 days leave rising with service + Bank Holidays, with the option to swap Christmas and Easter holidays for those celebrated by your religion Life Cover at 8x your salary Personal Accident cover – up to 5x your salary Flexible working Car Allowance Competitive pension scheme – Anglian Water double-matches your contributions up to 6% Bonus scheme Flexible benefits to support your wellbeing and lifestyle. Why Alpheus? We’re part of the Anglian Water Group, delivering sustainable water solutions that make a real difference. If you’re passionate about engineering excellence and want to help shape the future of water treatment, we’d love to hear from you. We are committed to reflect the diversity of the communities we serve in both our workforce and our supply chain partners to help us to understand and meet the needs of our customers. We are passionate and dedicated to the learning and development of our people, making sure they have the right skills and knowledge to be successful and to help achieve their potential. We want to give everyone equal access to our recruitment process. If you have a disability or long-term condition, including neurodiversity and mental health conditions, we’ll support you throughout your application, and make any adjustments to make sure your disability or long-term condition is not a barrier to recruitment. If you need any support, please get reach out to our team resourcing@anglianwater.co.uk’ To apply, you’ll need your up-to-date CV, we also recommend uploading a cover letter – tell us what has made you apply and what skills you can bring to the position. We will be in touch after your application has been reviewed, following the closing date. 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