Principal Mechanical Engineer – Water & Wastewater Design

Avove; Birmingham; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Bonus scheme

Enhanced annual leave entitlement

Family-friendly policies

Company car/allowance

Job summary

Avove is seeking a Principal Mechanical Engineer to lead the delivery of mechanical design across water and wastewater projects. You will provide technical leadership to multi-disciplinary teams from feasibility through to detailed design, focusing on pumping stations, treatment works, and associated systems.

Based in the Severn Trent region, the role involves developing robust design packages, cost estimates and ensuring safety and regulatory compliance while travelling as required to project

Qualifications

• Proven ability to produce, check and approve detailed mechanical design outputs for complex process plant.
• Excellent working knowledge of wastewater and clean water treatment processes.
• Strong capability to develop practical, robust engineering solutions.
• Creative, forward-thinking approach to identify innovative solutions that add value.
• Willingness to travel as required, including overnight stays.
• Ability to manage design delivery from concept through to construction, including site support.
• Full driving licence is required.

Responsibilities

• Lead the development of high‑quality, innovative and cost‑effective design solutions in line with project briefs and client requirements.
• Deliver projects through feasibility, preliminary and detailed design stages, maintaining high technical standards.
• Provide technical leadership, including checking and approving designs, calculations, drawings, technical reports, contract documents and cost estimates.
• Liaise closely with clients, stakeholders and site construction teams to ensure clear communication and successful project delivery.
• Manage and mentor a multi‑disciplinary team of engineers and technicians, including performance reviews and professional development.
• Lead on bid preparation, contract development, project planning, programming, resource management and budget control.
• Ensure compliance with health, safety and environmental legislation, including CDM regulations, and adherence to the integrated management system.
• Stay informed of new technologies, industry developments and best practice to drive innovation and continuous improvement.

Skills

Mechanical design

Wastewater treatment

Water treatment

Project leadership

Multi-disciplinary teamwork

Cost estimation

Travel readiness

Job description

Avove is seeking a Principal Mechanical Engineer to lead the delivery of mechanical design across water and wastewater projects. You will provide technical leadership to multi-disciplinary teams from feasibility through to detailed design, focusing on pumping stations, treatment works, and associated systems.

Based in the Severn Trent region, the role involves developing robust design packages, cost estimates and ensuring safety and regulatory compliance while travelling as required to project