Principal Wastewater Network Modellers

Arcadis; Birmingham; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading engineering and consultancy firm in Birmingham is seeking a Principal Wastewater Network Modeller to lead wastewater model development and manage key projects. The role involves mentoring junior staff, engaging with clients, and ensuring compliance with UK standards. Ideal candidates will have advanced hydraulic modelling expertise and proficiency in InfoWorks ICM. Join a team committed to sustainable design and innovative solutions.

Qualifications

• Advanced expertise in hydraulic modelling for wastewater projects.
• Skilled in team and stakeholder management.
• Proven experience in model quality assurance procedures.
• Coding experience desirable.

Responsibilities

• Lead the development of wastewater models and manage project aspects.
• Conduct technical reviews of wastewater models.
• Provide support at concept design stages.
• Review technical reports and presentations.
• Resolve technical challenges on projects.

Skills

Hydraulic modelling expertise

Team coordination

Proficient in InfoWorks ICM

GIS software competence

Strong report-writing skills

Spreadsheet data analysis

Education

Chartered member of a relevant professional institution

Tools

InfoWorks ICM

HADES

Job description

Principal Wastewater Network Modeller

Arcadis Birmingham, England, United Kingdom

Arcadis is the world’s leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people across 70 countries, dedicated to improving quality of life.

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.

Our Water team tackles the most technically demanding projects in the UK, working with leading water companies and contractors to deliver innovative solutions. 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.

This position is ideal for a motivated and independent professional who enjoys mentoring and nurturing the development of others. The role involves leading client engagement and management, ensuring technical deliverables align with client expectations and fostering opportunities for continued collaboration.

Role accountabilities

• Deliver a range of wastewater infrastructure and non‑infrastructure modelling projects and manage tasks of various scales.
• Conduct technical reviews of wastewater models, oversee model build and verification of sewer networks, oversee survey specifications and management, and 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 (reports, drawings, specifications, studies) comply with relevant standards and 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 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 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 yourself and your team.

Qualifications & Experience

• Advanced expertise in hydraulic modelling for wastewater infrastructure and non‑infrastructure projects.
• Skilled in team and stakeholder coordination and management.
• Proficient in InfoWorks ICM; HADES knowledge would be advantageous.
• Competence 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 believe everyone’s contribution matters. Arcadis pioneers a skills‑based approach, empowering you to harness your unique experience and expertise to carve your career path and maximize the impact. You’ll do meaningful work, helping deliver sustainable solutions for a more prosperous planet.

We are committed to equality, diversity, inclusion and belonging. We hold ourselves accountable for our actions and work closely with our people across six ED&I workstreams: Age, Disability, Faith, Gender, LGBT+ and Race.