Lead Design Engineer

Overview

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.

• 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.

• 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.

• 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.

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.

Closing Date: 27/02/2026