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Job Description

Mott MacDonald

Position location: Reading, London, Brighton, Cambridge, Bristol.
Recruiter contact: Hayley Alexander

We’re a global engineering, management, and development consultancy.
Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming our clients’ businesses, our communities and employee opportunities.

A fundamental part of this is respecting each person’s differences and striving to meet their needs.

We are proud to be a one of Glassdoor’s top employers to work for in the UK, as well as being recognised as a Top Inclusive Company in the UK.

Our values: Progress, Respect, Integrity, Drive, Excellence.

About the business unit

The Water Consultancy Division is Mott MacDonald’s centre of excellence for responding to water and wastewater challenges, offering fantastic opportunities to get involved in diverse and technically challenging work. The work we do is at the forefront of ensuring safe water supplies for future generations and protecting our environment. Our multi-disciplinary teams provide a variety of services throughout the full project life cycle, from advisory services and feasibility studies, through outline and detailed design, to construction support and site supervision.

Ready for your next challenge? We're a company that actively fuels the creativity of our people. We create the right foundations to bring brain and soul together and we understand that careers take many forms. We've had enormous success in the AMP8 frameworks, and we know that variety is key to job satisfaction. We use our success to help our people learn through new challenges. So take the next step in your career, with a company focused on supporting the development of our people through defined technical career pathways and supporting creativity with global and local mentors. You have the skills, now use them at Mott MacDonald, a company that values a different perspective. If water's the new gold - shift your career and help address our planet's needs.

Overview of role

We have an exciting opportunity for a Principal Wastewater Network Modeller to join our national team. You will be a driven individual experienced in wastewater modelling, and have the desire to evolve within Mott MacDonald, whilst playing a key role in mentoring and leadership of others. You will be able to operate in a management capacity and proactively lead projects in delivering successful outcomes. As a Principal Modeller, you would be responsible for technical leadership, taking on management responsibilities and influencing modelling strategy both within Mott MacDonald and with specific clients.

Typical duties would include:

  • Leading flood alleviation, environmental studies and Unsatisfactory Intermittent Discharge (UID)/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 leading and reviewing the completion of these deliverables by less experienced staff
  • Project management, including managing resources, budgets and programmes and coordinating with other disciplines
  • Supervising and developing staff and providing guidance to support their professional development
  • Working in close partnership with clients and Joint Venture partners, representing the company in technical and consortia meetings
  • Driving continuous improvement in project delivery
  • Involvement in bidding opportunities contributing to technical and commercial submissions.
  • Line Management of colleagues

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 Criteria:

  • Demonstrable experience in the UK water industry, preferably with multiple Clients. Proven experience of model build, verification, solution development and CSO / water quality analysis
  • 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 enter into 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 and Chartered with a relevant professional institution (i.e. ICE or CIWEM)

Desirable Criteria:

  • 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
  • Experience in spreadsheet data analysis


We are actively recruiting a diverse workforce that is reflective of the communities we serve. We recognise that differences in ability, skills and experience are a strength and encourage applications from people of all backgrounds.

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.

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.

Agile working

Happy to talk Flexible Working and how we can support your responsibilities beyond the workplace.

We offer some fantastic benefits including:

Health and wellbeing

  • Private medical insurance for all UK colleagues.
  • Health cash plan to support you with every day 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.

Apply now, or for more information about our application process, click here. #LI-HA1

Company benefits

Open to part-time employees
Adoption leave – 26 weeks full pay
Open to part time work for some roles
Buddy scheme
Flexible working week
Enhanced sick pay
Dental coverage
Compassionate leave
Health assessment
Eye Care Support – Eyecare vouchers
Private GP service – Private Medical care for all UK staff
Theme park discounts
Religious celebration leave
Buy or sell annual leave
Accrued annual leave
Caregiver Leave
Enhanced maternity leave – 26 weeks
Enhanced paternity leave – 2 weeks
Shared parental leave – We match up to 24 weeks full pay
Pregnancy loss leave
Tax-free childcare
In office yoga classes
Cycle to work scheme
Faith rooms
Salary sacrifice
Life assurance
Annual pay rises
Life insurance
Annual bonus
Income protection
Employee discounts
Professional subscriptions – We pay for your primary professional annual subscription
Lunch and learns
Employee assistance programme
L&D budget
Teambuilding days
Travel loan
Enhanced pension match/contribution

We need to ask employees of Mott MacDonald what it's like to work there before we assign the company FlexScore®.

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Working at Mott MacDonald

Company employees

18,000 worldwide

Gender diversity (male:female)

65:35

Office locations

UK Wide; London, Croydon, Birmingham, Derby, Altrincham, Manchester, Whitehaven, Newcastle, Middlesbrough, Durham, Bristol, Southampton, Reading, Cambridge, Peterborough, Brighton, Norwich, Glasgow, Edinburgh, Aberdeen, Inverness, Cardiff, Newport, Exeter, Leicester, Leeds, Skipton, York

Hiring Countries

Ireland

United Kingdom

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