Principal Flood Risk Assessor
CV-LibraryHemel Hempstead, HertfordshirepermanentPosted: 19 September 2026
Apply NowPrincipal Hydrologist
Location: Hemel Hempstead
A fantastic opportunity has arisen for an experienced Principal Hydrologist to join a leading environmental and engineering consultancy delivering hydrology, flood risk and land development services across the UK. This is an excellent position for someone who enjoys technical leadership, client engagement and contributing to the successful delivery of major development and infrastructure projects.
The Opportunity
Based in Hemel Hempstead, with hybrid working available, you will lead the preparation of Flood Risk Assessments, drainage assessments, EIA contributions and hydrological modelling studies. You will act as a key point of contact for clients and stakeholders, while supporting and mentoring junior colleagues across a wide range of challenging and rewarding projects. This is a technically varied role offering a clear route for progression within a respected and supportive team.
Key Responsibilities
Lead the delivery of Flood Risk Assessments, hydrology reports and EIA documentation.
Prepare and review technical tenders, calculations, model files and supporting reports.
Coordinate project delivery, ensuring high standards and timely completion.
Liaise with LLFAs, the Environment Agency and other regulatory bodies.
Use hydrological modelling tools including FEH, WINFAP, Flood Modeller and HEC-RAS.
Support drainage assessments and outline design work.
Assist with project programmes, communication and internal coordination activities.
Mentor junior hydrologists and engineers, offering technical checking and guidance.
Keep up to date with design standards, legislation and best practice.
Contribute to business development and client relationship activities where appropriate.
About You
Chartered member of a relevant professional institution.
Strong background in hydrology, flood risk assessment and hydraulic modelling.
Skilled in FEH, WINFAP, Flood Modeller, HEC-RAS and similar software.
Proficient in AutoCAD, WinDES and standard MS Office applications.
Strong organisational skills with the ability to prioritise and manage multiple workstreams.
Confident communicator, able to work collaboratively and independently.
Why This Role?
You will join a forward-thinking consultancy known for delivering high-quality hydrological and land development work. The team promotes flexible working, professional development and a positive, inclusive culture. With a strong pipeline of varied and impactful projects, this role offers a great platform to develop your technical, managerial and client-facing skills while contributing to significant UK schemes.
Penguin Recruitment is operating as a Recruitment Agency for this position. For more information, contact Andy Hopkins, our Civil Engineering specialist with over 30 years' recruitment experience
Location: Hemel Hempstead
A fantastic opportunity has arisen for an experienced Principal Hydrologist to join a leading environmental and engineering consultancy delivering hydrology, flood risk and land development services across the UK. This is an excellent position for someone who enjoys technical leadership, client engagement and contributing to the successful delivery of major development and infrastructure projects.
The Opportunity
Based in Hemel Hempstead, with hybrid working available, you will lead the preparation of Flood Risk Assessments, drainage assessments, EIA contributions and hydrological modelling studies. You will act as a key point of contact for clients and stakeholders, while supporting and mentoring junior colleagues across a wide range of challenging and rewarding projects. This is a technically varied role offering a clear route for progression within a respected and supportive team.
Key Responsibilities
Lead the delivery of Flood Risk Assessments, hydrology reports and EIA documentation.
Prepare and review technical tenders, calculations, model files and supporting reports.
Coordinate project delivery, ensuring high standards and timely completion.
Liaise with LLFAs, the Environment Agency and other regulatory bodies.
Use hydrological modelling tools including FEH, WINFAP, Flood Modeller and HEC-RAS.
Support drainage assessments and outline design work.
Assist with project programmes, communication and internal coordination activities.
Mentor junior hydrologists and engineers, offering technical checking and guidance.
Keep up to date with design standards, legislation and best practice.
Contribute to business development and client relationship activities where appropriate.
About You
Chartered member of a relevant professional institution.
Strong background in hydrology, flood risk assessment and hydraulic modelling.
Skilled in FEH, WINFAP, Flood Modeller, HEC-RAS and similar software.
Proficient in AutoCAD, WinDES and standard MS Office applications.
Strong organisational skills with the ability to prioritise and manage multiple workstreams.
Confident communicator, able to work collaboratively and independently.
Why This Role?
You will join a forward-thinking consultancy known for delivering high-quality hydrological and land development work. The team promotes flexible working, professional development and a positive, inclusive culture. With a strong pipeline of varied and impactful projects, this role offers a great platform to develop your technical, managerial and client-facing skills while contributing to significant UK schemes.
Penguin Recruitment is operating as a Recruitment Agency for this position. For more information, contact Andy Hopkins, our Civil Engineering specialist with over 30 years' recruitment experience