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Principal / associate wastewater network modeller

Cardiff
Mott Macdonald
Principal
Posted: 4 September
Offer description

Overview

Principal / Associate Wastewater Network Modeller role within Mott MacDonald’s Water Utilities Division. You will lead and shape wastewater network modelling projects, provide technical leadership, and mentor others while developing your career within a collaborative, employee‑owned environment. Location options include Edinburgh, Reading, Manchester, Newcastle, Bristol, Cardiff, Brighton, and London (UK).


Responsibilities

* Leading flood alleviation, environmental studies and Combined Sewer Overflows (CSO) projects
* Leading model build, model maintenance, and verification projects
* Leading the development of survey specifications
* Writing reports and preparing presentation materials and checking the completion of these deliverables by less experienced staff
* Supervising and developing staff and providing guidance to support their professional development
* Working in close partnership with clients representing the company in meetings, workshops and business development opportunities
* Driving continuous improvement in project delivery
* Involvement in bidding opportunities contributing to technical and commercial submissions
* Project management activities, including managing resources, budgets and programmes, and coordinating with other disciplines (where level allows)
* Line management of colleagues (where level allows)

Mott MacDonald offers a highly innovative and collaborative environment within which to further develop your career. We can offer development in technical, management or client-facing directions. You will have control of your own career path and great prospects for career progression as the business continues to grow.


Candidate specification

Essential

* Proven experience of model build, verification and solution development
* Experience in managing projects, leading teams and development of people
* Expertise in use of InfoWorks ICM, as well as GIS packages
* Good collaboration and communication skills, able to hold technical discussions in a logical and coherent fashion in both oral presentations and written reports, to colleagues, non-technical staff and clients
* Able to check and review work of others to provide quality assurance and drive continuous improvement in work delivered to the client
* Relevant degree qualified or vocational qualification. Chartered with a relevant professional institution (i.e. ICE or CIWEM) or have equivalent experience

Desirable

* Demonstrable experience in the UK water industry
* Any programming skills in FME or languages such as VBA, Ruby scripts or Python would be advantageous but not essential
* Experience in collaboration across multidisciplinary teams
* Project Management experience or skills
* Line Management experience or skills


UK Immigration

Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.


Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well‑being, flexibility, and trust.


Equality, diversity, and inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.


Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@ mottmac.com and we will talk to you about how we can support you.


We Offer Some Fantastic Benefits Including


Health and wellbeing

* Private medical insurance for all UK colleagues.
* Health cash plan to support you with everyday health costs and treatments.
* Access to Peppy, providing free support from menopause experts for all UK colleagues.
* A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.
* Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.


Financial wellbeing

* We match employee pension contributions between 4.5% and 7%.
* Life assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary.
* Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury.
* Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
* As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.


Lifestyle

* A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
* Holiday entitlement increased to a minimum of 35 days after 5 years’ service.
* Variety of employee saving schemes and discounts from high-street retailers.


Enhanced family and carers leave

* Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
* Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.
* Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.


Learning and development

* Primary annual professional institution subscription.
* A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options.


Networks, communities, and social outcomes

* Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
* Make a difference within our communities through our social outcomes.


Recruiter Contact

Aoife Cullen


Job Ref

9608


Seniority level

* Mid-Senior level


Job function

* Design, Art/Creative, and Information Technology


Industries

* Civil Engineering
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