AECOM
Senior / Principal Hydraulic Modeller
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Senior/Principal Hydraulic Modeller – Water Resources, Bristol
Welcome to AECOM. Change the World with Us.
At AECOM, we’re delivering a better world by solving complex infrastructure challenges. Whether it’s improving transportation, ensuring energy supply, providing clean water, or designing sustainable infrastructure, our team of 50,000+ professionals—including planners, engineers, and scientists—work globally to create positive impact for communities everywhere.
Our Mission
AECOM is the world’s trusted infrastructure consulting firm. With accelerating investments worldwide, we empower our clients and communities to thrive. Join our dynamic UK & Ireland Water Resources team—part of a global network of 600+ water experts—and unlock opportunities to collaborate, innovate, and grow alongside some of the industry’s leading professionals.
About the Role
We’re looking for a Senior/Principal Hydraulic Modeller to lead and expand our Bristol team. As part of AECOM’s UK hub for hydraulic modelling, you’ll drive forward our flood risk and water resource projects while mentoring the next generation of water professionals.
Job Title: Senior/Principal Hydraulic Modeller (Permanent)
Location: AECOM Bristol Office – Hybrid Working Department: Water Resources, UK & Ireland (DCS Group) Industry: Environmental, Sustainable Design and Planning
Unique Opportunities
- Lead high-impact, nationwide hydraulic modelling projects, addressing critical challenges like fluvial, surface water, and tidal flooding, supported by 1D-2D modelling, Flood Risk Assessements (FRAs), and Sustainable Drainage Systems (SuDS).
- Work alongside top-tier engineers and consultants on major infrastructure projects.
- Play a pivotal role in advancing technical expertise, contributing to best practices in hydraulic modelling through mentorship.
- Leverage technology at AECOM’s forefront to ensure sustainable deliveries.
- Enjoy an inclusive, forward-thinking culture with tailored benefits, career restructuring, and opportunities for professional growth.
Areas of Impact:
- Climate resilience through flood risk and water planning.
- Infrastructure resilience by developing robust, cost-effective, and sustainable models across the UK.
- Enhancing both private and public service projects via high-quality modelling.
Key Responsibilities
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As Senior/Principal Hydraulic Modeller, you will:
Technical Leadership & Project Delivery
- Lead 1D-2D hydraulic modelling commissions to assess fluvial, surface water, and tidal flooding (e.g., using FloodModeler Pro, InfoWorks and TUFLOW).
- Conduct Flood Risk Assessments, hydrological assessments, flood defence design, and postulated water management for residential/industrial developments.
- Lead and oversee strategic flood risk assessments and environmental impact statements, ensuring regulatory compliance in public and private sectors.
- Quality assurance of all technical outputs, ensuring maximum accuracy and industry alignment.
- Develop and support best practices in flood risk modelling through, mentorship for junior team members to guide future professionals.
Client & Stakeholder Engagement
- Proactively manage client relationships within the private/public sectors, clapping sector regulators, to ensure projects remain aligned with expectations and deadlines.
- Collaborate with others to improve flexibility and accuracy in technical deliverables.
- Be the principal technical contact on complex/strategic contracts.
Business Growth & Development
- Assist in preparing internal/external proposals ('tenders') and at competitive bidding stages.
- Contribute to AECOM’s business development strategy as required.
Every result is built on a foundation of passion for sustainable water systems and collective problem-solving.
Ideal Candidate Profile
Core Competencies
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Education: Degree (2:1 or higher) in Engineering (civil, hydraulic), Geography, Environmental Science, or a related discipline (MSC/PhD would be advantageous).
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Practical Experience: Extensive hands-on experience in:
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1D/2D hydraulic modelling (e.g., FloodModeler Pro, InfoWorks, TUFLOW, Mike Flow).
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GIS software use (QGIS, ArcGIS, MapInfo).
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Techniques for hydrological flood modelling, statistical analysis of water networks, and adaptation policy measures with regulators.
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Experience leading professional hydraulic models, including:
- FRAs and water defence designs of varying degrees.
- Accurate tendering, reporting and time/budget management.
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Passionate about technical mentorship and inclusive workplace growth.
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Commercial & Business skills that enable project stability under shifting requirements.
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Desirable Skills
- Project management (Agile and planned H& ugh safety profiles). skills.
- Chartership status or ICE/CIWEM affiliate candidate status.
What We Offer
Environmental Commitment
AECOM stands with partners who design sustainable systems for tomorrow. It’s not just what you do, it’s how you rethink infrastructure for it to work better.
Benefits & Perks
- A flexible hybrid/agile working model accessible to careers in and beyond Bristol, blending well-being and productivity.
- Expertise network to cross-pollinate ideas globally.
- Career evolution through structured incentives (e.g., AECOM University, professional certifications, stretch assignments).
- Care & well-being support designed by and for all backgrounds.
Commitments
- An Inclusive Culture that celebrates difference.
- Free world-class on-site gyms and wellness practices.
- Parental policies supporting child-care partnerships.
AECOM’s Vision
Where you belong
AECOM is dedicated to delivering a better, green world—with value at its core. Our equitable approach, diverse ideals, and outstanding professional reputation all contribute to building the future generation respects.
Join us—be part of the team advancing projects that make the world better.
Company Commitments
- Disability Confident: AECOM recognises talent merits evident past melded with potential precーティ.** This position is eligible to welcome Holingside Congestation Fit role in the Disability Confident scheme, aiding those with disability-related barriers.
- Pro-Bono/Volunteering: Financial backing for sustainability and community-driven activities.
- Environmentally & Socially Ethical Business Practice: Availing rectifications to National Carbon Standards (NCS) and supporting the UN Global Compact.
Apply Now
We’d be thrilled to hear your story if you align with our empowerment principles! Search and share your credentials through our AECOM Careers website and be part of building sustainable success.
Introducing Change. Your skills matter. AECOM offers you the stage and the support to shine.
State/Province: Bristol, City of Business Line: Water Hybrid Working Model
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