Job Description

A new contract opportunity has become available for a senior-level Mechanical Project Design Engineer to join a progressive Water Treatment consultancy firm in the Midlands. This is an exciting time to join the business, and they can offer outside IR35 contracts, remote work, and competitive daily rates. As this opportunity is remote, we can be flexible in location, so long as applicants are situated in the UK and must have proof of right to work in the UK

Purpose of contract:

To lead the multidisciplinary design and delivery of wastewater treatment and infrastructure projects, taking responsibility for mechanical design and coordination across civil, electrical, and ICA disciplines. The role ensures robust, efficient, and compliant engineering solutions that meet client, regulatory, and sustainability requirements.

Key Responsibilities of The Lead Mechanical Design Engineer:

Lead the design and delivery of wastewater treatment projects from concept to detailed design and construction support.

Act as the technical authority for mechanical engineering while providing coordination oversight for civil, electrical, and ICA disciplines.

Ensure the design aligns with client specifications, statutory requirements, and industry best practices.

Manage and integrate the work of mechanical, civil, electrical, and ICA designers to ensure fully coordinated designs.

Chair design coordination meetings and design reviews, resolving technical interfaces across disciplines.

Provide guidance and leadership to discipline leads to maintain consistency, quality, and efficiency across the project.

Oversee the production of design deliverables, including P&IDs, general arrangements, calculations, specifications, and data sheets.

Support the Engineering Manager and Project Manager in programme, budget, and risk management.

Liaise with contractors and suppliers during design and construction phases to ensure technical integrity.Review and approve design outputs, ensuring compliance with WIMES, BS EN, WRAS, and Water Company specifications.

Essential Requirements:

Degree (BEng/MEng) in Mechanical Engineering or equivalent.

Chartered Engineer (CEng) status or working towards it (IMechE, IET, or ICE).

Extensive experience in the design and delivery of wastewater treatment or related water infrastructure projects.

Essential that you have recent experience in the Wastewater Industry

Strong working knowledge of UK water industry standards, including WIMES and WRAS.

Experience with 3D design, BIM coordination, and digital design platforms (AutoCAD, Revit, Navisworks).

Excellent stakeholder communication and leadership skills.Desirable:

Experience in Design & Build (D&B) project environments.

Knowledge of NEC contract principles and design risk management.

Familiarity with sustainability and carbon management frameworks