Principal Flood Risk Assessor

Penguin Recruitment; Kings Langley; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading environmental consultancy in the United Kingdom is seeking an experienced Principal Hydrologist to lead the delivery of hydrology and flood risk assessments. This role involves technical leadership, client engagement, and contributing to major development projects. The ideal candidate will have a strong background in hydrology and hydraulic modelling, as well as mentoring experience. Flexible working and professional development opportunities are offered.

Qualifications

• Strong background in hydrology, flood risk assessment, and hydraulic modelling.
• Confident communicator, able to work collaboratively and independently.
• Strong organisational skills with the ability to manage multiple workstreams.

Responsibilities

• Lead the delivery of Flood Risk Assessments and hydrology reports.
• Prepare and review technical tenders and calculations.
• Mentor junior hydrologists and engineers.

Skills

Hydrology

Flood Risk Assessment

Hydraulic Modelling

Communication

Project Management

Education

Chartered member of a relevant professional institution

Tools

FEH

WINFAP

Flood Modeller

HEC-RAS

AutoCAD

WinDES

MS Office

Job description

Principal 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.

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.