At a Glance
- Tasks: Lead wastewater modelling projects and collaborate with clients to drive innovative solutions.
- Company: Join Arcadis, a global leader in sustainable design and engineering.
- Benefits: Empowering work environment, career growth, and the chance to make a real impact.
- Other info: Diverse and inclusive workplace focused on equality and innovation.
- Why this job: Shape the future of water management while mentoring the next generation of professionals.
- Qualifications: Advanced hydraulic modelling skills and experience in team coordination.
The predicted salary is between 56700 - 69300 £ per year.
Location: London, Greater London, United Kingdom | Birmingham, West Midlands, United Kingdom | Bristol, United Kingdom | Cambridge, East of England, United Kingdom | Cardiff, Wales, United Kingdom | Edinburgh, City of Edinburgh, United Kingdom | Exeter, Devon, United Kingdom | Glasgow, Lanarkshire, United Kingdom | Guildford, Surrey, United Kingdom | Leeds, West Yorkshire, United Kingdom | Manchester, Greater Manchester, United Kingdom | Plymouth, Devon, United Kingdom | Warrington, Cheshire, United Kingdom
Department: Water Engineering
Business Unit: AUK UK
Work Type: On-site
Date Posted: 2026-09-10
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.
Join Arcadis. Create a 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.
Principal Wastewater Network Modeller in Cambridge employer: Arcadis
Arcadis UK is an exceptional employer that fosters a collaborative and innovative work culture, where sustainability and resilience are at the forefront of our projects. Employees benefit from continuous professional development opportunities, a supportive environment, and the chance to work on impactful projects in the water and energy sectors. Located in the UK, we offer a dynamic workplace that values diversity and encourages creative solutions to complex engineering challenges.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Wastewater Network Modeller in Cambridge
✨Get Involved in Local Environmental Initiatives
Dive into your local environmental scenes, like community clean-up projects or eco-focused events. Not only will you meet like-minded people, but it's a surefire way to showcase your passion and skills in environmental engineering tech.
✨Join Industry-Specific Organisations
Check out organisations like the Institution of Environmental Engineers for networking opportunities and resources. They often host events and seminars that can help us connect with key players in the industry, including potential employers like Arcadis.
✨Show Off Your Projects and Passion
Create a portfolio that highlights any relevant projects, whether it's coursework, internships, or personal initiatives. Share this online, perhaps even on platforms like GitHub or your own website, to grab the attention of hiring managers looking for talent like us.
✨Utilise Environmental Job Boards
Take advantage of niche job boards dedicated to environmental careers. Sites like Green Jobs, Environmental Career and EcoJobs often feature openings from companies like Arcadis and can help us land that full-time gig.
We think you need these skills to ace Principal Wastewater Network Modeller in Cambridge
Some tips for your application 🫡
Show Off Your Technical Skills:When applying for a role in environmental engineering tech, make sure to highlight your technical skills like CAD software proficiency, data analysis, or modelling techniques. These are essential for the job and should stand out in your CV and cover letter, showing how you can contribute to projects at Arcadis.
Demonstrate Your Passion for Sustainability:In this field, showcasing your passion for sustainability and environmental protection can set you apart. Include any relevant projects, volunteer experience, or courses that underline your commitment to these causes. Arcadis will appreciate candidates who genuinely care about making a difference.
Tailor Your Application to the Role:Don't just send a generic CV and cover letter. Make sure to tailor your application to the specific role of Principal Wastewater Network Modeller at Arcadis. Highlight experiences that align directly with the job description and give concrete examples of your work to demonstrate that you’re the right fit for a full-time position.
Include Relevant Certifications:If you have certifications related to environmental engineering or technology, like LEED Accreditation or any relevant software certifications, make sure to mention them. These qualifications can boost your application and show that you’re serious about your professional development in this competitive field.
How to prepare for a job interview at Arcadis
✨Brush Up on Environmental Regulations
Make sure you’re well-versed in the latest environmental regulations and standards. In an environmental engineering tech role at Arcadis, you might be asked specific questions about compliance measures, so understanding these will definitely give you an edge.
✨Showcase Your Technical Skills
Prepare to demonstrate your proficiency with relevant tools and software, such as AutoCAD or GIS. You might be given a practical problem to solve during the interview, so it’s a great idea to brush up on these skills and perhaps even bring a portfolio of your projects to showcase your technical prowess.
✨Highlight Your Passion for Sustainability
In a full-time role, employers are looking for commitment and enthusiasm. Share your experiences, studies, or projects that reflect your passion for environmental sustainability. This will show Arcadis that you're not just qualified but genuinely invested in the field.
✨Prepare for Behavioural Questions
Be ready for behavioural questions that assess how you handle teamwork, conflict, and project management. Think of examples from your studies or practical experiences where you tackled challenges effectively, showcasing both your technical and interpersonal skills.
