Senior Mechanical Design Engineer – Water Industry Newport | Contract - 6 months rolling - Up to £350-£450 per day (potential more for the right candidate)

J3A Recruitment are excited to be partnered with a serious player in the UK water sector.

My client are an award-winning, family-run business that’s growing fast and delivering innovative engineering solutions across all 10 major UK water frameworks. This isn’t just a job — it’s a chance to get in early with a company that’s going places in AMP8 and beyond.

They’ve trusted us with this critical Senior Mechanical Design Engineer hire. So, if you’re a mechanical design pro with water/wastewater experience and want to be part of something genuinely exciting, this one’s for you.

The Role of the Senior Design Engineer

You’ll lead the design and delivery of complex mechanical systems within water and wastewater infrastructure projects. Think treatment plants, pumping stations, chemical dosing systems, and more.

You’ll work with a team of 40+ engineers on cutting-edge, sustainable solutions, while mentoring junior staff and influencing key technical decisions.

What You’ll Be Doing as the Senior Design Engineer

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Lead mechanical design for treatment systems, pumping stations & infrastructure

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Own projects from concept to construction

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Develop detailed mechanic...