Job Description

Right across infrastructure, there's a requirement to not only maintain, but also renew and reimagine. Whatever stage you're at in your career, with us you'll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.

Where will you be working?

At M Group Water, we're at the forefront of delivering innovative design and build sustainable solutions within the water sector across the UK. With a growing portfolio of high-profile water contracts for AMP 8 & beyond, we're committed to driving technical excellence, sustainability, and cutting-edge engineering to transform the way water services are delivered to our stakeholders and the communities.

Want to be a part of it?

We're seeking passionate and talented design and engineering professionals (all levels) to join us across the UK. Whether you're an experienced expert or an ambitious newcomer, this is your chance to work on impactful projects that make a real difference to communities and the environment.

Why Designing with Us is Different:

Be part of a collaborative, forward-thinking team where your ideas matter. Work on diverse, challenging projects that showcase your skills and creativity. Benefit from continuous learning and development opportunities within a supportive environment. Play a key role in shaping sustainable water solutions for the future.

If you want to design with purpose, innovate with impact, and see the tangible results of your work, M Group

Water is where your career will thrive

Wastewater Hydraulic Modeller/Principal Modeller

Help us develop and deliver clean water network and wastewater catchment strategies and solutions using your hydraulic modelling expertise!



This involves constructing and maintaining wastewater models, conducting feasibility studies, and designing wastewater solutions. You'll analyse results, generate reports, and ensure quality and compliance with standards.

What will you be doing?

Create/manage hydraulic models using software such as InfoWorks, as well as ensuring solutions for wastewater networks meet the necessary specifications and standards set by our clients. Using your knowledge of the physical components of a wastewater system and the functionalities, to problem solve to meet sustainable solutions*
Working together with the team to identify the need for site surveys and flow data accuracy for model calibration and validation. Collaborate with the design engineers to review and select design solutions. The use of software like Excel and GIS to analyse model results and identify potential issues in the check and approve process. Modellers must be able to communicate their findings clearly to both technical and non-technical audiences. Ensure Models undertaken by the supply chain meet the required scope of work definition, along with the standards and specifications of either industry or our water clients.

If your water and wastewater skills need a refresh, worry not! We offer comprehensive on-the-job mentoring and support to elevate your expertise, empowering you to become a highly skilled design engineer ready to shape the future.

What's in it for you?

We offer a range of benefits designed to support your life in and out of work, some of which include;

Matched or contributory pension scheme Online GP service, 24 hours a day, 365 days a year Employee assistance programme My Rewards portal, access to 1000's of retail discounts Life assurance Cycle to work, salary finance and give as you earn schemes Enhanced maternity, paternity leave and adoption leave Reward and recognition scheme

In addition, this role offers;

Company car and fuel card with a range of EV and hybrid vehicles to choose from My Car Choice our salary sacrifice EV/ Hybrid car scheme Health Care Cash Plan, giving you the ability to claim back medical expenses for things like dental, eyecare and physiotherapy and much more! 25 days annual leave plus bank holidays Recommend a friend - get rewarded for introducing people to us!




It's an exceptional time to be a part of M Group.

Please note:

Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.





For certain roles, successful candidates will be subject to 3rd party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.





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