Senior/Principle Mechanical Design Engineer – Water Projects (AMP8 Framework)
Location: Roles across the midlands (hybrid working)
Rate: GBP60 p/h – Outside IR35/LTD Company (all in)
Duration: 12Months+/Ongoing
Industry: Water/Wastewater treatment (Must have 10+ years experience in this field)
Positions: 2–3
Overview
We are seeking Senior & Principle Mechanical Design Engineer’s with strong experience in the water/wastewater sector to support high–profile projects as part of the AMP8 investment programme. This role is embedded within a multidisciplinary engineering team and focuses on delivering design and technical assurance for water and wastewater treatment schemes across multiple Water/wastewater authorities.
This is a fantastic opportunity to contribute to long–term, sustainable water infrastructure improvements through technically rewarding project work in a flexible and collaborative setting.
Key Responsibilities
- Deliver mechanical design solutions for complex water and wastewater treatment infrastructure.
- Provide engineering input across all design stages – including concept, feasibility, optioneering, and preliminary design.
- Carry out condition assessments, asset surveys, and root cause analysis for plant and equipment failures.
- Detailed design and mechanical calculations for multiple processes attached to Water/Wastewater treatment facilities
- Contribute to whole–life cost analysis, project briefs, and technical reports.
- Work collaboratively with multidisciplinary teams to resolve mechanical challenges on operational assets.
- Ensure all solutions are technically robust, compliant with regulations, and aligned with best practices in the water industry.
- Support project delivery and commissioning phases through technical review and assurance.
Requirements
- Degree–qualified in Mechanical Engineering
- Chartered status or working towards chartership with a relevant professional institution (e.g., IMechE) preferred.
- 10 + years’ Water/Wastewater experience.
- Experience delivering mechanical design work in the Water/Wastewater industry.
- Familiarity with AMP7 or AMP8 frameworks
- Strong communication skills and a proactive, solution–oriented approach to engineering delivery.
Desirable Background
Candidates who have previously worked on frameworks for UK water utilities such as:
- Thames Water
- Wessex Water
- Welsh Water
- Northern Ireland Water
- Anglian Water
- Severn Trent
- United Utilities
- Southern Water
- South West Water
- Northumbrian Water
will be at a distinct advantage.
If you’re an experienced mechanical engineer looking to apply your expertise to vital UK water infrastructure projects, we’d love to hear from you.
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