Principal Flood Risk Assessor in HP1

Energy Jobline ZR; Hemel Hempstead; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading environmental consultancy is seeking an experienced Principal Hydrologist based in Hemel Hempstead. The role involves leading flood risk assessments and hydrological studies, offering mentorship to junior staff, and liaising with clients and regulatory bodies. Ideal candidates will have a strong background in hydrology and hydraulic modelling, and be a chartered member of a relevant institution. This position promotes flexible working and offers opportunities for professional growth.

Benefits

Flexible working

Professional development

Positive, inclusive culture

Qualifications

• Chartered member of a relevant professional institution.
• Strong background in hydrology, flood risk assessment and hydraulic modelling.
• Experience in mentoring junior hydrologists and engineers.

Responsibilities

• Lead the delivery of Flood Risk Assessments and hydrology reports.
• Prepare and review technical tenders and calculations.
• Coordinate project delivery ensuring timely completion.
• Liaise with regulatory bodies like LLFAs and the Environment Agency.
• Support drainage assessments and outline design work.

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

Job description

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.

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.

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.

Contact

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.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.