Senior/ Principal Mechanical Engineer – Water Sector Contract - outside of scope of IR35 Location: Manchester (Hybrid - 2 days per week on site) Duration: 12 months+

We are supporting a leading consultancy delivering increased volumes of mechanical design work within the UK water sector, driven by the demands of AMP8 frameworks. This is a long-term contract opportunity for experienced engineers to play a central role in delivering high-impact projects for multiple end clients across clean and wastewater infrastructure.

The Role

As a Principal Mechanical Engineer, you will:

Lead the delivery of mechanical design services across a portfolio of water sector projects

Ensure compliance with relevant industry codes, standards, and CDM regulations

Deliver high-quality, auditable documentation and technical records

Support Project Discipline Engineers and Engineering Managers with scoped design packages

Liaise across disciplines, supply chain, and partners to enable successful project outcomes

Assist with team selection and oversight through SQEP processes

Monitor progress, ensure technical assurance, and support risk and quality management

What You’ll Bring

Proven experience in mechanical design for water and wastewater infrastructure

In-depth knowledge of AMP programme delivery and UK water sector requirements

Strong understanding of CDM, QA procedures, and compliance processes

Ability to manage...