Principal Wastewater Network Modeller

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description

Our Water Management team is seeking a Principal Wastewater Modeller. In this position, you will lead the development of wastewater models, manage key project aspects, and work closely with clients to build and expand Arcadis’s project portfolio through strategic client interactions. Collaboration, proactive problem-solving, and creative thinking are central to our team’s approach, and will be a fundamental part of your role.

Our Water team is at the forefront of tackling some of the UK’s most technically demanding projects and AMP8 programmes. Renowned for our expertise, we work in close partnership with leading water companies and contractors to deliver innovative solutions. Our projects focus on addressing flooding challenges, reducing storm overflow pollution, and improving network resilience, all while ensuring compliance with UK regulatory requirements, such as WINEP, and adhering to industry best practices.

This position is perfect for a motivated and independent professional looking to further their career while mentoring and nurturing the development of others. The role involves taking a leadership position in client engagement and management, particularly with water utilities, ensuring technical deliverables align with client expectations and fostering opportunities for continued collaboration and growth.

Role accountabilities

• Deliver a range of wastewater infrastructure and non-infrastructure modelling projects, effectively managing tasks of various scales.
• Conduct technical reviews of wastewater models, oversee model build and verification of sewer networks, oversee survey specifications and management, develop strategic solutions to mitigate flooding and reduce CSO spills
• Provide support to designers at concept outline and detailed design stages
• Review and enhance technical reports and presentations to uphold high-quality standards.
• Resolve technical modelling challenges on projects and contribute to advancing the team's technical expertise
• Ensure project components, including reports, drawings, specifications, and studies, comply with relevant standards and project requirements
• Collaborate closely with clients, providing clear explanations and ensuring they understand model outputs and processes.
• Support and guide junior team members, fostering a collaborative and supportive work environment.
• Assist with preparation of bids including narratives, cost estimates and programmes.
• Coordinate project elements, managing resource allocation, quality assurance, subcontractor interactions, and client feedback.
• Work alongside specialists from other engineering and environmental disciplines to ensure project integrity.
• Liaise effectively with the Project Director or Manager and the client to support project progress.
• Foster a collaborative work environment by actively supporting the professional development of both yourself and your team, guiding junior members to reach their full potential.

Qualifications & Experience

• Advanced expertise in hydraulic modelling for a range of wastewater infrastructure and non-infrastructure projects
• Skilled in team and stakeholder coordination and management
• Proficient in InfoWorks ICM
• HADES knowledge would be advantageous
• Competent in using relevant GIS software packages
• Chartered member of a relevant professional institution (e.g., ICE or CIWEM)
• Proven experience in model quality assurance procedures
• Strong report-writing skills
• Advanced abilities in spreadsheet-based data analysis
• Coding experience desirable

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.

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