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Senior Wastewater Modeller
Senior Wastewater Hydraulic Modeller | AECOM
Company Description
"Shape the future of water with AECOM—lead advanced wastewater modelling that drives sustainable infrastructure and lasting environmental impact." Work with Us. Change the World.
At AECOM, we deliver a better world through infrastructure consulting. From improving transportation and power grids to ensuring access to clean water and sustainable development, our global team of 50,000+ professionals—including planners, designers, engineers, and scientists—addresses the world’s most complex challenges. At our best, we shape legacies and transform lives.
We’re seeking a bold, detail-oriented professional to join our dynamic Water Team as a Senior Wastewater Hydraulic Modeller, with opportunities to work in UK or Ireland offices under a flexible hybrid model.
About the Role
Imagine leading cutting-edge wastewater modelling to transform the UK’s water infrastructure, from flood alleviation and pollution reduction to Blue-Green infrastructure and nature-based solutions. AECOM’s team of 700 UK & Ireland Water experts deliver world-class project work—from Understanding Business Cases to hydraulic modelling, drainage strategies, and environmental regulations. You’ll collaborate with industry leaders like Severn Trent, Anglian Water, Northern Ireland Water, and the Environment Agency to set industry standards and solve some of the world’s most pressing water challenges.
As a Senior Wastewater Hydraulic Modeller, you’ll drive technical innovation, mentorship, and strategic problem-solving, always bridging modelling expertise with real-world impact.
Key Responsibilities
Technical Delivery
- Build and verify hydraulic sewer models and integrated modelling frameworks for flood risk assessments and urban water management.
- Develop catchment-scale strategic solutions to address flooding and pollution risks, from scoping to final design.
- Advise on technical innovation, including new modelling tools and methodologies to solve client challenges.
- Prepare technical reports, presentations, and tender documents to clearly communicate results.
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Leadership & Collaboration
- Mentor junior team members and foster a collaborative culture by sharing expertise.
- Quality-ensure models, calculations, and reports to maintain standards across projects.
- Engage with public & private sector stakeholders, contextualising technical insights for decision-making.
Ideal Candidate Profile
Qualifications & Experience
- Degree in Civil Engineering, GIS, Geography, or Water/Energy-related fields (or equivalent practical experience).
- Fluency in 1+ modelling platforms: Preferably Innovyze ICM or InfoWorks ICM for sewer/water systems.
- ArcGIS or MapInfo experience for geospatial data analysis.
- Minimum 5–7 years of post-qualification experience in water consultancy, preferably with innovative modelling techniques.
Claiming Mindset
- Self-starter with a commitment to excellence and a passion for continuous learning.
- Ability to collaborate in fast-paced, deadline-driven environments.
- Comfortable juggling autonomous work alongside team collaboration.
- Candidate ally to valour diversity—in all its forms.
What We Offer
AECOM’s benefits are tailored to meet you where you are—from screen-to-screen hybrid flexibility to deep investment in your growth:
Culture & Opportunities
- Join a trusted global team fighting for sustainability, innovation, and equity in water infrastructure.
- Participate in cross-functional projects that move from concept to delivery, shaping the UK-first practices.
- Cross-industry leadership exposure through technical networks, AECOM University, and peer mentorship.
Flexibility & Wellbeing
- 30-hour hybrid policy: Choose when/where you work—at AECOM offices, client sites, or remotely.
- Personalised benefits, including parental leave, voluntary private healthcare, and discretionary bonus.
- Wellbeing programs (mental health support, fitness classes) and volunteer opportunities.
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Growth Aspirations
- Career development plans baked into your role—advance through technical masterclasses, chartered accreditation subsidies, or leadership programs.
- Passion projects pilot space for hands-on prototyping with dedicated time.
Why This Role Drives Me?
"AECOM’s Water Sector empowers us to literally reshape communities. Whether improving resiliency against climate change or championing sustainable reuse systems, your contributions directly raise living standards—and that’s transformational."
The Values We Prioritise
✔ Impact over ego: Your ideas must align with real-world challenges. ✔ Collaboration: Build trust-based teams with one another and clients. ✔ Innovation without boundaries: Feel entitled to attempt bold water-oriented artistic solutions. ✔ Respect & Equity: Belong to someone who celebrates diverse solutions.
Next Steps
This isn’t just a job—it’s your field to prove modern solutions. If our purpose resonates:
🔹 Apply for Senior Wastewater Hydraulic Modeller – ReqID: [J10146839] 🔹 ** eröffnet Fachgespräche** via LinkedIn (#AECOMUKWASTEWATERMODELLER)
Exclusive Support Available
- Neurodiversity/London/Regional Achievement reviews? Par mit ReasonableAdjustments@aecom.com to request tailored accommodations.
- Disabled Confident employer: Meet basic criteria applicants with disabilities/long-term conditions may move forward via Disability AccommodationsUKI@aecom.com.
Confidentiality guaranteed: aEEO guidelines required under UK law.
AECOM, “the world’s trusted infrastructure consultancy”.
🔹 Go global from the ground up: aecom.com | @AECOM #DeliveringAMoreBeautifulWorld
📌 Location: UK/Ireland offices 📌 Work arrangement: Flexible hybrid with modular site visits 📌 Impact: Redefining sustainable water future—yours to start.
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