Senior / Principal Mechanical Engineer (Water) Working Location: UK (Hybrid) Key Responsibilities: - Deliver mechanical design outputs in line with safety and quality requirements - Produce calculations, drawings, and technical documentation - Lead coordination with CAD technicians and support their development - Manage interfaces with subcontract design teams (including M&E) - Prepare scopes and review third-party design outputs - Engage with suppliers, review tenders, and support equipment selection - Produce reports, specifications, and design investigations - Ensure compliance with relevant standards and engineering practices - Manage design changes and ensure accurate documentation - Support estimation and planning of design activities - Attend and present at technical and client meetings Requirements: - Experience in mechanical design within the UK water sector - Exposure to both clean water and wastewater projects (infrastructure and non-infrastructure) - Experience with hydraulic design and associated calculations - Knowledge of schemes such as UMON or similar upgrade programmes - Understanding of construction methods and engineering drawing practices - Chartered Engineer (or working towards) - Strong technical, communication, and problem-solving skills - Experience supporting or mentoring junior engineers or technicians - Degree, HND, or equivalent experience Contract Type: Permanent Why This Role Stands Out: - Step into a senior role with real design ownership - Work across clean and wastewater projects - Opportunity to support and guide junior team members - Exposure to full project lifecycle and supplier engagement - Strong pipeline of AMP programme work secured Benefits: - Comprehensive benefits package This is a great opportunity to take ownership of mechanical design delivery while playing a key role in a high-performing engineering team, contributing to impactful long-term water sector projects. If you are ready to step into a senior position and make a difference, apply now