Senior Mechanical Engineer

Job Overview

Office-based with occasional site visits; hybrid working available

We are seeking a Mechanical Design Engineer to deliver high-quality mechanical engineering design for water-sector projects across the UK. The role covers a range of technically challenging schemes including sewage treatment works upgrades, pumped storm storage, new-build pumping stations, and wastewater treatment assets. You will support the team across outline, detailed, and construction phases, ensuring deliverables meet safety, quality, integration, and technical requirements.

Key Responsibilities

• Produce mechanical design calculations, drawings, and associated deliverables
• Ensure outputs satisfy safety, quality, and integration requirements
• Direct, support, and develop CAD technicians
• Prepare scopes for and review deliverables from subcontract M&E design teams
• Liaise with suppliers and manufacturers; prepare specifications and review tenders
• Prepare design investigations, reports, and technical documentation
• Ensure compliance with technical, professional, and organisational standards
• Implement and record design changes in line with project requirements
• Estimate hours required for design packages and support programme planning
• Attend meetings, design reviews, and presentations, representing the mechanical discipline professionally

Required Qualifications & Experience

• Minimum 10 years’ mechanical design experience in the UK water industry
• Graduate, HND, or significant experience from technician level
• Good IT proficiency and familiarity with design tools
• Registered with a professional body and working toward chartership
• Strong communication, organisation, and planning skills

Preferred Qualifications & Experience

• Chartered Engineer
• Experience in hydraulic design and UMON schemes
• Experience with clean and wastewater, infrastructure, and non-infra designs
• Knowledge of construction methods, materials, and engineering drawing practices

Key Skills

• Strong technical capability
• Problem solving and analytical skills
• Results-focused and organised
• Excellent communication and collaboration
• Commitment to self-development and mentoring others

Why Consider This Role

• Work on technically challenging mechanical design projects across the UK water sector
• Join a collaborative and supportive multidisciplinary engineering team
• Opportunity to develop skills and influence delivery across outline, detailed, and construction phases
• Exposure to a variety of clean water, wastewater, pumping, and treatment projects

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