Mott MacDonald Bentley - MMB

Mechanical Engineer – Project Leader (68927BR)

Mott Macdonald Bentley Construction (MMBC) is the design and build unit of global engineering consultancy Mott Macdonald. We need a Mechanical Engineer Project Leader to support us deliver work for the UK’s largest water company, Thames Water

Location	South East – Reading	Discipline	MEICA
Contract type	Permanent	Job reference	68927BR
Work pattern	Full time	Recruiter	Lauren Hutchinson
Sector	Water	Interested?	APPLY HERE

We believe the best engineering projects are delivered by engineers, so we combine the traditional Project Manager and Mechanical Engineer roles into a single, Project Leader role.

You will:

Lead the design of water and wastewater infrastructure and non-infrastructure projects through the outline and detailed design, construction, commissioning, and handover.
Be responsible for the mechanical design of your project including, but not limited to, P&IDs, valve schedules, pump calculations, defining safe access and lifting arrangements, above ground pipework layouts.
Build positive relationships with the Thames Water Technical Assurance team and promote a “one-team” approach.
Support and mentor less experienced members of the team.
Occasionally visit sites across the Thames Valley Region (costs incurred are recoverable).

Candidate Specification

IMechE accredited degree in Mechanical Engineering.
Chartered member of the IMechE or ability to demonstrate progress made toward membership.
Outline and detailed design experience of water or wastewater projects.
Knowledge of the Designer or Principal Designer duties under CDM 2015.

What we will give you:

An agile working arrangement that provides you flexibility whilst ensuring effective project delivery.
Opportunities to develop your practical application of mechanical engineering, commercial acumen, management skills and health, safety, and sustainability leadership.
A secure multi-million programme of work and the opportunity to see your designs built.

What we can offer you:

Competitive salary and 7% pension match.
Annual bonus based on company performance.
petitive annual leave and the option to purchase additional leave.
Paid professional institution annual fee.
Life insurance.
Enhanced parental leave.
Flexible benefits scheme to suit you, including cycle to work & interest-free season ticket loans.

Apply Now

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Digley IRE Valve Tower Metalwork Replacement (2017)

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DCWW Coastal Investigations Programme (2017)

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Flamborough Head Sewage Pumping Station (2017)

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Masonry Reservoir Spillway Refurbishment (2017)

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Northumbrian Water Wastewater Minor Works Programme (2017)

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Poolend & Highgate pH Correction & Plumbosolvency (2017)

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Severn Trent DG2 Small Pumps Project (2017)

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Springs Impounding Reservoir (2017)

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Wallgrange Solvents and pH Improvements (2017)

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United Utilities CIP2 & P1 Trials (2017)

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Jackson’s Edge Service Reservoir (SR) is a water supply scheme that will provide increased security to the network through the provision of a new 18Ml capacity, twin compartment SR on the site of the existing 103 year old SR. The £7.5m project has adopted a Design for Manufacture and Assembly (DfMA) approach, saving approximately £2m […]

Llandinam Resilience Scheme (2016)

The £2.9m Llandinam Resilience Scheme required the design and construction of a 20,000m3/day treatment plant which can be brought online reliably within 6 hours of detecting a significant failure of the existing treatment stream. The successful completion of the scheme by design and build contractor Mott MacDonald Bentley (MMB) on behalf of Severn Trent Water, […]

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BIM Technician (67409BR)

Apply Now

Sectors: Civil Engineering, Mechanical Engineering, Process Engineering

Categories: Design

Locations: North East

Apply by: 31 Dec 2025

Contract: Freelance

Location	North East \| Durham	Discipline	Design
Contract type	Permanent	Job reference	67409BR
Work pattern	Full-time	Recruiter	Lauren Hutchinson
Sector	Water \| Wastewater	Interested?	APPLY HERE

Do you want to:

Become a key member of a multi-disciplinary project team enabling you to develop professionally and personally?
Be part of a unique and dynamic Design-and-Construct environment?
Have the opportunity to drive digital initiatives alongside delivering engineering outputs?
Utilise existing, and support the development of standard content to allow more time to focus on project specific challenges?
Have the flexibility of working from home, office and site?

As a member of Mott MacDonald, you will be able to draw on the experience and support of a prestigious corporate employer with over 16,000 staff world-wide.

We have a strong focus on personal development, ensuring you have the right tools, support and training to meet you career aspiration. You’ll work in a relaxed environment, working in a collaborative team who strive together to deliver project outcomes

Candidate Specification

Must have experience using Autodesk Revit.
Ability to communicate on technical issues.
A minimum of 3-5 years’ experience in a similar role.

What we can offer:

At Mott MacDonald Bentley you will be offered a competitive salary which is commensurate based on your experience. Our core benefits include:

Agile working policy.
Competitive annual leave and the option to purchase additional annual leave.
Pension matched up to 7%.
Life assurance.
Enhanced parental leave.
Annual professional institution subscription costs.
Flexible benefits to suit you, including cycle to work scheme and interest free season ticket loans.

We understand not everyone will meet all the requirements, so if you are excited about the role please get in touch anyway; potential and transferrable skills can be just as important. Your attitude and motivation are as important as your technical skills!

Apply Now