Principal/ Associate Hydraulic Modeller - Bristol/ Cardiff

AtkinsRéalis; Cardiff; On-site; GBP 40,000 - 60,000; Full time

Job summary

AtkinsRéalis is seeking a Principal/Associate Hydraulic Modeller in Cardiff to lead vital projects in the water industry. The role involves overseeing hydraulic modelling frameworks, ensuring compliance with standards, and mentoring staff in a collaborative environment. This position emphasizes innovation, personal development, and contributions towards environmental solutions in water management.

Benefits

25 days leave plus bank holidays

Flexible and remote working options

Access to a training portfolio

Opportunities for professional development

Qualifications

• Understanding of UK Water Industry and regulatory issues.
• Proven track record in delivering technically excellent projects.
• Expertise in hydraulic modelling and solution development.

Responsibilities

• Lead Storm Overflows Discharge Reduction Plan and flood alleviation projects.
• Develop and deliver wastewater catchment strategies.
• Supervise and mentor junior staff.

Skills

Collaboration

Communication

Technical excellence

Project coordination

Education

Relevant degree or vocational qualification

Tools

InfoWorks ICM

ICM Exchange

MS 365 applications

PowerBI

SharePoint

FME

Optimatics

Ruby

Job description

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Principal/ Associate Hydraulic Modeller - Bristol/ Cardiff, Cardiff

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Client:

Location:

Cardiff, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

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Job Reference:

1996b4b096d8

Job Views:

18

Posted:

22.06.2025

Expiry Date:

06.08.2025

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Job Description:

Job Description

Work with AtkinsRéalis to make the world’s outlook brighter and healthier.

You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise, and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is valued and treated equally.

We're passionate about what we do, and we have a thriving team culture, simply put, this a great place to be. So, when it comes to your life outside of work, ask us about our flexible and remote working policies designed to help you get the most out of life.

Our collaborative and multi-disciplinary team is one of the largest in the UK, providing water and wastewater infrastructure services alongside drainage design, SuDS and surface water management. Our wide variety of clients span across the UK and internationally and include water companies, local authorities, highways / rail authorities, and developers.

It’s an exciting time to be working for our UK Water business with unprecedented investment in the water industry. Due to continued framework successes, we seek to recruit a Principal / Associate Hydraulic Modeller to join our Water and Wastewater Team in Bristol/ Cardiff to lead one of our hydraulic modelling frameworks, with a leading UK Water Company.

What we offer ?

We aren't just engineers, environmental professionals, or consultants. We're pioneers, constantly innovating and pushing boundaries to tackle some of the world's most pressing challenges – especially when it comes to water. From enhancing our beautiful rivers and urban landscapes to building sustainable cities in the harshest environments – our Networks & Drainage Solutions (N&DS) team is at the forefront.

Over the next 10 years, we plan to expand the practice rapidly to meet our clients' objectives. We're developing enhanced training courses to accelerate our staff resource capability. It means great futures for both new and experienced colleagues.

The opportunities in our practice to grow as an individual are immense. You'll receive mentorship from the outstanding leaders we have within the team.

From day one your personal development plan puts you in the driving seat of your career and you’ll be supported to go as far as you want to go.

Your purpose :

• Leading Storm Overflows Discharge Reduction Plan, flood alleviation and environmental solution development projects.
• Leading model build, model maintenance, and verification projects.
• Leading the development and delivery of wastewater catchment strategies and solutions.
• Responsible for the quality of outputs and compliance with standards & specifications.
• Driving continuous improvement in project delivery.
• Ability to manage and/or support project managers to manage, projects and programmes of works.
• Support in the development of tender responses and fee estimates.
• Supervising and developing staff and providing guidance to support their professional development.
• Contributing towards technical innovation and leading improvement workgroups.

What you can bring :

• Understanding of UK Water Industry and regulatory issues.
• Proven track record in coordinating and delivering technically excellent projects.
• Expertise using InfoWorks ICM and ICM Exchange.
• Expertise in hydraulic modelling, catchment planning and solution development.
• Ability to review work of others to provide quality assurance and drive continuous improvement in work delivered to the client.
• Excellent collaboration and communication skills.
• Expertise in MS 365 applications, and knowledge in areas such as PowerBI and SharePoint.
• Experience working with software such as FME, Optimatics, Ruby (or similar) would be advantageous.
• Chartered with a relevant professional institution (i.e. ICE or CIWEM) would be advantageous.

Why work for AtkinsRéalis:

We're ranked as one of LinkedIn's Top 25 Companies, where UK professionals want to work and stay once they join. We've also made the Times Top 50 employers for women.

Our Infrastructure team uses innovation, new approaches and the power of data to help our clients deliver end-to-end projects and programmes for essential future infrastructure. And as the work becomes ever more complex, our employees continue to challenge the status quo.

We're committed to engineering better for people and our planet, from our global Engineering Net-Zero programme to creating social value through EDAROTH community housing. We're proud of our active employee networks creating awareness and allyship for our under-represented groups. Not to mention programmes supporting communities outside AtkinsRéalis, including schools, charities, ex-forces and professionals returning after career breaks.

Read more about how you can thrive with us: Equality, diversity & inclusion in the UK & Europe (atkinsrealis.com)

Rewards and Benefits:

We offer a competitive salary that is regularly tested against other consultants with a default 25-days leave each year plus bank holidays and options to buy some or sell of that leave. Salary and benefits will be commensurate with experience and qualifications.

New name, new era. We are AtkinsRéalis. It will take some time for all our information to update – you can still refer to our fantastic benefits via the link below:

Training:

AtkinsRéalis is committed to developing its people both personally and professionally. Our colleagues have the advantage of access to a high ranging training portfolio and development activities designed to help make the best of individual’s abilities and talents. We also actively support staff in achieving corporate membership of relevant institutions.

Additional Information:

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.

We are committed to promoting a diverse and inclusive community - a place where we can all be ourselves, thrive and develop. To help embed inclusion for all, from day one, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee networks to support staff from different backgrounds. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.

#LI-INFRASTRUCTURE | #LI-U K

Worker Type

Employee

Job Description

Work with AtkinsRéalis to make the world’s outlook brighter and healthier.

You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise, and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is valued and treated equally.

We're passionate about what we do, and we have a thriving team culture, simply put, this a great place to be. So, when it comes to your life outside of work, ask us about our flexible and remote working policies designed to help you get the most out of life.

Our collaborative and multi-disciplinary team is one of the largest in the UK, providing water and wastewater infrastructure services alongside drainage design, SuDS and surface water management. Our wide variety of clients span across the UK and internationally and include water companies, local authorities, highways / rail authorities, and developers.

It’s an exciting time to be working for our UK Water business with unprecedented investment in the water industry. Due to continued framework successes, we seek to recruit a Principal / Associate Hydraulic Modeller to join our Water and Wastewater Team in Bristol/ Cardiff to lead one of our hydraulic modelling frameworks, with a leading UK Water Company.

What we offer ?

We aren't just engineers, environmental professionals, or consultants. We're pioneers, constantly innovating and pushing boundaries to tackle some of the world's most pressing challenges – especially when it comes to water. From enhancing our beautiful rivers and urban landscapes to building sustainable cities in the harshest environments – our Networks & Drainage Solutions (N&DS) team is at the forefront.

Over the next 10 years, we plan to expand the practice rapidly to meet our clients' objectives. We're developing enhanced training courses to accelerate our staff resource capability. It means great futures for both new and experienced colleagues.

The opportunities in our practice to grow as an individual are immense. You'll receive mentorship from the outstanding leaders we have within the team.

From day one your personal development plan puts you in the driving seat of your career and you’ll be supported to go as far as you want to go.

Your purpose :

Leading Storm Overflows Discharge Reduction Plan, flood alleviation and environmental solution development projects.

Leading model build, model maintenance, and verification projects.

Leading the development and delivery of wastewater catchment strategies and solutions.

Responsible for the quality of outputs and compliance with standards & specifications.

Driving continuous improvement in project delivery.

Ability to manage and/or support project managers to manage, projects and programmes of works.

Support in the development of tender responses and fee estimates.

Supervising and developing staff and providing guidance to support their professional development.

Contributing towards technical innovation and leading improvement workgroups.

What you can bring :

Understanding of UK Water Industry and regulatory issues.

Proven track record in coordinating and delivering technically excellent projects.

Expertise using InfoWorks ICM and ICM Exchange.

Expertise in hydraulic modelling, catchment planning and solution development.

Ability to review work of others to provide quality assurance and drive continuous improvement in work delivered to the client.

Excellent collaboration and communication skills.

Expertise in MS 365 applications, and knowledge in areas such as PowerBI and SharePoint.

Experience working with software such as FME, Optimatics, Ruby (or similar) would be advantageous.

Relevant degree or vocational qualification.

Chartered with a relevant professional institution (i.e. ICE or CIWEM) would be advantageous.

Why work for AtkinsRéalis:

We're ranked as one of LinkedIn's Top 25 Companies, where UK professionals want to work and stay once they join. We've also made the Times Top 50 employers for women.

Our Infrastructure team uses innovation, new approaches and the power of data to help our clients deliver end-to-end projects and programmes for essential future infrastructure. And as the work becomes ever more complex, our employees continue to challenge the status quo.

We're committed to engineering better for people and our planet, from our global Engineering Net-Zero programme to creating social value through EDAROTH community housing. We're proud of our active employee networks creating awareness and allyship for our under-represented groups. Not to mention programmes supporting communities outside AtkinsRéalis, including schools, charities, ex-forces and professionals returning after career breaks.

Read more about how you can thrive with us: Equality, diversity & inclusion in the UK & Europe (atkinsrealis.com)

Rewards and Benefits:

We offer a competitive salary that is regularly tested against other consultants with a default 25-days leave each year plus bank holidays and options to buy some or sell of that leave. Salary and benefits will be commensurate with experience and qualifications.

New name, new era. We are AtkinsRéalis. It will take some time for all our information to update – you can still refer to our fantastic benefits via the link below:

YourReward at AtkinsRéalis (atkinsrealis.com)

Training:

AtkinsRéalis is committed to developing its people both personally and professionally. Our colleagues have the advantage of access to a high ranging training portfolio and development activities designed to help make the best of individual’s abilities and talents. We also actively support staff in achieving corporate membership of relevant institutions.

Additional Information:

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.

We are committed to promoting a diverse and inclusive community - a place where we can all be ourselves, thrive and develop. To help embed inclusion for all, from day one, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee networks to support staff from different backgrounds. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.

#LI-INFRASTRUCTURE | #LI-U K

Worker Type

Employee

Job Type

Regular

At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.