Principal Flood Modeller jobs in Cardiff – Browse 16 openings on RoboApply Jobs

Principal Flood Modeller jobs in Cardiff

Open roles matching “Principal Flood Modeller” with location signals for Cardiff. 16 active listings on RoboApply Jobs.

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AECOM logo
Full-time|On-site|Cardiff

Begin your journey. Flourish with us.“Are you eager to collaborate with a team of flood risk experts and influence the future of the Water Sector?”Our Water division is seeking a dedicated Senior Flood Modeller to become an integral part of our vibrant and expanding Water Business Line. This role offers the opportunity to contribute to high-profile and impac…

Mar 5, 2026
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AECOM logo
Full-time|On-site|Cardiff

Begin your journey with us. Cultivate your career here. “Are you prepared to be part of a dedicated team of flood risk specialists, influencing the future of the Water Industry?” We are seeking a Principal or Associate to enhance our expanding Water team. In this senior technical position, you will lead teams in delivering impactful real-time flood forecasting projects while contributing to the growth of our services in collaboration with the Environment Agency and other stakeholders.Your primary focus will be on flood forecasting, with opportunities to engage in hydrology and non-real-time modelling projects as well.Your responsibilities will include:Creating and evaluating Flood Forecasting Inception Stage Reports, including assessing existing models and hydrometric data quality.Developing, calibrating, and validating flood forecasting models (e.g., PDM, Flood Modeller).Conducting non-real-time modelling and hydrological analysis utilizing tools such as Flood Modeller, ICM, HEC-RAS, MIKE 11, and FEH hydrological methods.Producing and reviewing comprehensive technical reports, documenting model creation and associated uncertainties.Leading and contributing to proposals for key clients.Mentoring and supporting team members in their professional growth.Building strong relationships with clients and colleagues across various disciplines.Staying informed about relevant legislation and guidelines affecting our services.Utilizing AECOM’s project management systems to ensure timely and budget-compliant delivery of high-quality outputs.Join our dynamic Water business, which consists of around 700 experts across the UK and Ireland. Collaborate with leading engineers and consultants on a diverse array of exciting projects, ranging from small initiatives to large-scale ventures, from concept to completion.If you are passionate about innovation and bringing visionary ideas to life, we want to hear from you! Connect with our AECOM Water page on LinkedIn to stay informed about the impactful projects we’re working on and witness the difference we’re making in the industry!Join us and grow together.

Mar 17, 2026
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AECOM logo
Full-time|On-site|Cardiff

Kickstart your journey. Flourish with us.“Are you eager to become part of a team of flood risk experts and contribute to the evolution of the Water Sector?”Our Water division is actively seeking a dedicated Coastal Modeller to join our vibrant and expanding Water Business Line. This is your opportunity to engage in prominent, impactful projects throughout the UK and beyond, while being situated at the core of one of the UK’s most ambitious and interconnected engineering hubs in the north.In this role, you will be instrumental in developing resilient, sustainable solutions for communities, infrastructure, and the environment. Each day brings new challenges, presenting you with ample chances to innovate, collaborate, and grow within a team that thrives on diversity.Your responsibilities will include:Conducting modelling studies for various projects, from feasibility assessments to detailed design phases.Collaborating with interdisciplinary teams to ensure successful delivery of modelling studies.Assisting in the development, configuration, and application of numerical models.Supporting senior team members in project execution, including data analysis and reporting.Ensuring tasks are completed within established budgets, timelines, and quality benchmarks.Contributing to the creation of technical reports and project documentation.Engage with internal teams and, when necessary, assist in communication with clients and stakeholders. Continue to enhance your technical expertise within the coastal modelling sector. If you are passionate about innovation and translating bold concepts into reality, AECOM invites you to join us. Here, we not only build infrastructure but also elevate communities and improve lives. Follow our AECOM Water page on LinkedIn to stay informed about the impactful projects we’re undertaking and witness the difference we’re making in the industry!Grow with us.Become a part of our dynamic Water division, which comprises approximately 600 experts across the UK & Ireland. Work alongside leading engineers and consultants to deliver a diverse array of projects, from small initiatives to large-scale endeavors, guiding them from conception to realization.At AECOM, you will thrive in an inclusive and forward-thinking environment where your contributions are recognized. Enjoy an array of core and personalized benefits tailored to support your future and well-being, fitting your lifestyle. Benefit from career development opportunities, access to technical practice networks, AECOM University, volunteer days, and our flexible hybrid working model to help maintain a work-life balance that suits you. We appreciate that everyone’s circumstances vary, so we welcome discussions regarding part-time or flexible working arrangements.

Mar 17, 2026
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AECOM logo
Full-time|On-site|Cardiff

Join AECOM as a Principal Water Quality Scientist/Modeller in Cardiff, where you will play a pivotal role in advancing water quality initiatives. As a leader in this field, you will utilize your expertise to analyze, model, and propose innovative solutions to complex water quality challenges. This position offers a unique opportunity to collaborate with multidisciplinary teams, contributing to sustainable water management projects that positively impact communities.

Apr 9, 2026
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AECOM logo
Full-time|Hybrid|Cardiff

Embark on your journey with us and thrive.“Are you prepared to join a team of wastewater modellers and contribute to the transformation of the Water Industry?”Become an integral part of our innovative and multidisciplinary Water Team as a Senior Wastewater Hydraulic Modeller. This role offers the flexibility of being based in any of our UK or Ireland offices while embracing our adaptable hybrid working model.As a pivotal contributor, you will play a crucial role in executing significant water projects across the UK and internationally. We facilitate the development of crucial flood mitigation strategies, pollution control measures, and infrastructure initiatives, providing you with diverse experiences that will be essential for your ongoing professional development. Our modelling team is fully integrated with broader project teams, ensuring collaboration with experts from various disciplines to devise comprehensive solutions.As a recognized leader in Blue-Green infrastructure and nature-based solutions, we partner with a variety of public and private sector clients including Severn Trent, Anglian Water, Northern Ireland Water, the Environment Agency, LLFAs, and other infrastructure providers. Our offerings encompass Flood Risk Assessments, Drainage Strategies, Outline Business Cases, hydraulic models, and detailed designs. We establish industry benchmarks by providing advice and developing guidelines that set best practices, positioning AECOM at the forefront of the water sector. This role presents a remarkable opportunity to collaborate with a talented and diverse team dedicated to innovation, cooperation, and efficiency.Your Responsibilities:Model Development: Construct hydraulic models, verify sewer networks, facilitate integrated model development, and support project planning including flow survey verification and the creation of catchment-scale strategic solutions for flood and pollution risks.Technical Innovation: Drive the implementation of new technologies, solve complex problems for our clients, and develop project scopes and tender responses.Effective Communication: Prepare and present technical reports and documentation to convey modelling results clearly, utilizing strong communication skills.Team Leadership: Mentor and assist team members in their professional growth while nurturing positive client relationships.Quality Assurance: Review hydraulic models, calculations, and technical reports to ensure high-quality delivery and compliance with modelling standards.If you are passionate about driving innovation and turning ambitious ideas into reality, AECOM welcomes you to our team where we not only construct infrastructure but also uplift communities.

Mar 2, 2026
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Monzo Bank Ltd logo
Full-time|Remote|Cardiff, London or Remote (UK)

Join Monzo as a Fincrime and Fraud Model Validator and play a critical role in safeguarding our customers and the organization from financial crime. In this role, you will validate models used to detect and prevent fraud and ensure that our systems operate efficiently and effectively. Collaborate with our data scientists and engineers to enhance our fraud detection capabilities and contribute to creating a secure banking environment.

Apr 30, 2026
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AECOM logo
Full-time|On-site|Cardiff

Role overview The Principal Mechanical Engineer at AECOM’s Cardiff office plays a key role in managing mechanical engineering projects across a range of sectors. This position involves providing technical leadership, directing project delivery, and making sure all work aligns with both industry standards and client requirements. Main responsibilities Lead mechanical engineering projects from initial concept to final completion Support and mentor a team of engineers, with a focus on developing junior staff Encourage collaboration with professionals from other disciplines to meet project objectives Drive ongoing improvements in engineering practices and project results

Apr 27, 2026
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AECOM logo
Full-time|Hybrid|Cardiff

Kickstart your career and elevate your professional journey with us!“Are you prepared to join a dedicated team of hydrologists and influence the future of the Water Industry?”Become a pivotal member of our innovative and interdisciplinary Water Team as a Principal Hydrologist. This role allows you to work from one of our UK or Ireland offices while benefiting from our flexible hybrid working model.As a Principal Hydrologist, your expertise will be instrumental in delivering significant water projects both domestically and internationally. You will spearhead hydrological assessments that guide flood risk management, major infrastructure planning, water resource strategies, and environmental permitting.This senior position entails a blend of technical proficiency, client interaction, project management, and team leadership within an expanding water division.Your responsibilities will include:Leading hydrological assessments to facilitate flood risk evaluations, infrastructure design, catchment strategies, and environmental impact assessments.Providing technical guidance on rainfall-runoff modeling, river flow estimation, climate change considerations, and catchment analysis.Supervising and reviewing hydrological modeling results to ensure quality, precision, and adherence to UK regulatory guidelines.Serving as the technical lead on significant frameworks and multidisciplinary projects spanning the transport, energy, water, and development sectors.Advising clients on flood risk policies, drainage strategies, abstraction licensing, and environmental permitting needs.Mentoring and developing junior hydrologists, promoting technical excellence and knowledge exchange.Supporting business development initiatives, including bid preparation and client relationship management.If you are driven by innovation and eager to transform bold ideas into reality, AECOM invites you to join our team. We are committed to not just constructing infrastructure but also uplifting communities and enhancing lives. Follow our AECOM Water page on LinkedIn to stay informed about the impactful projects we are executing and witness the difference we are making in the industry!Embrace growth with us.Become an integral part of our vibrant Water division, which comprises approximately 600 experts across the UK and Ireland. Collaborate with leading engineers and consultants to deliver a wide range of engaging projects, from small initiatives to substantial undertakings, from inception to completion.At AECOM, you will thrive in an inclusive and progressive environment where your contributions are appreciated. Enjoy a variety of core and personalized benefits tailored to support your future and well-being, suited to your lifestyle. Take advantage of career development opportunities, technical practice networks, AECOM University, volunteer days, and our flexible hybrid working model to ensure a work-life balance that fits your needs.

Mar 3, 2026
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AECOM logo
Full-time|On-site|Cardiff

We are seeking a talented and experienced Principal Structural Engineer specializing in water engineering to join our dynamic team in Cardiff. In this role, you will lead the design and implementation of innovative structural solutions for water infrastructure projects. You will collaborate with multidisciplinary teams to ensure the highest standards of safety and sustainability are met.

Jan 14, 2026
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Monzo Bank Ltd logo
Full-time|Remote|Cardiff, London or Remote (UK)

Monzo Bank Ltd is seeking a Principal Backend Engineer to drive the design and development of scalable systems for its banking platform. This role plays a key part in shaping the technical direction of Monzo’s backend, ensuring that solutions are reliable and meet high standards of quality. Key responsibilities Lead the design and implementation of backend systems that power Monzo’s platform Establish and uphold coding and architectural standards across engineering teams Mentor engineers and support their growth in delivering maintainable solutions Champion best practices in software development and system design Technical leadership The Principal Backend Engineer will provide guidance to teams, influencing both immediate projects and long-term engineering strategy. Setting high standards and promoting effective practices are central to this position. Location This role is open to candidates based in Cardiff, London, or working remotely within the UK.

Apr 27, 2026
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AECOM logo
Full-time|On-site|Cardiff

Join our dynamic team at AECOM as a Principal Town Planner in Cardiff. In this pivotal role, you will lead planning projects, providing expert guidance on land use and urban development. Collaborate with various stakeholders, including government agencies and community groups, to ensure sustainable and innovative planning solutions. Your expertise will be crucial in shaping the future of urban environments, making a positive impact on communities.

Jan 8, 2026
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AECOM logo
Full-time|Hybrid|Cardiff

Begin your journey. Advance your career.Are you enthusiastic about Marine Ecology and eager to make a significant impact?Join our vibrant Nature team as a Principal Marine Ecologist based in one of our offices throughout the UK and Ireland, including Basingstoke, Manchester, Glasgow, Bristol, Leeds, Birmingham, Cambridge, and Dublin. Our flexible hybrid working model allows you to balance your professional and personal life effectively. In this role, you will leverage your skills, knowledge, and expertise to contribute to both national and international projects. Our portfolio encompasses a wide array of sectors, such as high-profile power and infrastructure initiatives (including floating offshore wind), national and international interconnectors, habitat restoration efforts, flood defense projects, and coastal development schemes (e.g., marinas, jetties, slipways, and port developments).You will collaborate with a dedicated team of marine and aquatic ecologists and marine EIA specialists to enhance the growth and development of our marine ecology team while expanding our portfolio of prestigious marine projects. As a client-facing professional, you will assume responsibility for technical project delivery and business development, reporting directly to the Marine Ecology Lead.Your key responsibilities will include:Acting as a Subject Matter Expert: Provide expert marine ecological and marine consenting guidance, both internally and externally. Direct contributions to various workstreams and deliverables across a diverse range of projects, including participation in the comprehensive EIA or DCO development cycle of major initiatives. Deliver marine ecology impact assessments, including ES chapters, HRA, MCZ, WFD, and support for all necessary license and permitting applications for marine projects.Ensuring Quality: Maintain a keen attention to detail to guarantee that our deliverables meet the highest quality standards and adhere to our rigorous quality management protocols. Possess exceptional writing and communication skills, capable of tailoring complex scientific information for diverse audiences.Collaboration: Work within a multidisciplinary team to enhance the environmental outcomes of our projects, collaborating with specialists in underwater acoustics, coastal processes, water science, and marine archaeology, as well as EIA colleagues.Driving Growth and Business Development: Contribute to the marine ecology team's business development efforts by creating technical and fee proposals, as well as broader marketing strategies. Confidently present to internal and external stakeholders and facilitate client interactions.Project Management: Exhibit effective project management skills to oversee project delivery.

Feb 24, 2026
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AECOM logo
Full-time|On-site|Cardiff

AECOM is seeking a Principal Mechanical Engineer specializing in the water sector to join our dynamic team in Cardiff. In this pivotal role, you will leverage your extensive expertise in mechanical engineering to design and oversee projects that enhance water infrastructure and contribute to sustainable practices. You will collaborate with multidisciplinary teams to deliver innovative solutions while ensuring compliance with industry standards.

Mar 30, 2026
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Ramboll logo
Full-time|On-site|Cardiff

Join our dynamic team at Ramboll as a Senior or Principal Civil Engineer specializing in Infrastructure. In this pivotal role, you will leverage your extensive experience to shape the future of urban infrastructure projects. You will collaborate with multidisciplinary teams to deliver innovative engineering solutions that meet the highest standards of quality and sustainability.

May 1, 2026
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AECOM logo
Full-time|On-site|Cardiff

Join AECOM as a Principal EIA Consultant in Cardiff, where you will lead impactful projects focused on environmental assessments. Leverage your expertise to guide clients in navigating complex regulatory environments and ensure sustainable development practices. Collaborate with a dynamic team of professionals dedicated to environmental stewardship.

May 1, 2026
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Turner Townsend logo
Full-time|On-site|Cardiff

Join Turner Townsend as a Security Cleared Senior Business Analyst and take your career to the next level. We are seeking an experienced consultant to lead key projects in Cardiff, with a focus on delivering innovative solutions in the infrastructure sector. Your expertise will drive strategic planning, project management, and stakeholder engagement, ensuring that our clients achieve their objectives effectively.

Mar 31, 2026

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