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Project Design Engineer

Remote / Online - Candidates ideally in
Newport, Newport County, NP10, Wales, UK
Listing for: Mott MacDonald
Remote/Work from Home position
Listed on 2026-08-30
Job specializations:
  • Engineering
    Civil Engineering, Environmental Engineer, Water Engineer
Salary/Wage Range or Industry Benchmark: 40000 - 70000 GBP Yearly GBP 40000.00 70000.00 YEAR
Job Description & How to Apply Below

Mott Mac Donald Bentley is a fully integrated design and build business combining the design expertise of Mott Mac Donald with the contracting experience of JN Bentley to deliver award winning projects.

We have secured a new framework with Dŵr Cymru Welsh Water that will last up to eight years, this will see MMB tackle projects across the DCC region covering both clean and wastewater treatment sites, as well as below ground assets, reservoirs and nature-based solutions. After securing our first framework with DCC at the beginning of AMP6, our presence in Wales has grown significantly, directly employing over 270 colleagues in the country across all roles, from frontline construction to design and management positions.

The Project Design Engineer role combines elements of both traditional Project Management and Design Engineering, managing projects through the outline and detailed design lifecycle, supported by our multi-disciplinary teams. Our unique work environment means you can thrive personally and professionally, accelerating your journey to chartership or developing your cross-discipline expertise. Please follow the link to our Mott Mac Donald Bentley You Tube to find out more about the role of a Project Leader
- Project Leader campaign
- You Tube

Do you want to:

Be part of a unique and dynamic Design-and-Build environment?

Project managethe design of water and wastewater projects?

Fast track your Chartership and attain a clear route for career progression?

Be a member of a multi-disciplinary project team, supporting both your, and the teams personal and professional development?

Have the flexibility of working from home, office and site?

Have the opportunity to see your designs brought to life?

What does a Project Design Engineer do day to day?

Working as part of a “project triangle” alongside a Site Manager and Quantity Surveyor to ensure that technical, constructability and commercial aspects of project delivery are considered throughout.

Leading the design of treatment or infrastructure projects from the initial outline to detailed design, through construction, commissioning, and handover

Coordinating the project team including civil, electrical, mechanical and process designers, BIM modelers and technical specialists and ensure designs are completed on programme, within budget, and to the quality defined by each framework and industry specifications

Undertake design in own discipline and mentor less experienced colleagues where appropriate

Building positive relationships with the clients’ project, operational and technical assurance teams and promote a "one-team" approach

What you’ll need:

Accredited Degree in Engineering
- Civil, Mechanical, Process and Electrical.

Incorporated Member of Engineering Institution.

Outline and detailed design experience of water or wastewater projects.

Knowledge of the Designer or Principal Designer duties under CDM 2015

What’s in it for you:

Financial wellbeing

MMB match employee pension contributions between 4.5% and 7%.

As an independently owned business we share the financial success of the business with all our colleagues including our annual bonus schemes.

Payment of annual professional institution subscription costs

Health and wellbeing

A minimum of 33 days holiday each year, inclusive of public holidays, with the ability to buy, sell or carry over annual leave through our flexible benefits programme.

Access to Life Assurance / Private Medical Insurance / Critical Illness Insurance and Health Screening options

We are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace.

Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.

Enhanced family and carers leave

Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave plus the option for shared parental leave.

Up to 2 paid additional days leave are provided for those with significant caring responsibilities

Learning and development

MMB are committed to empowering our people to grow professionally…

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