Flood Risk

Flood risk work means assessing how likely it is that land, buildings or infrastructure will flood - from rivers, the sea, rainfall, groundwater or failing drainage - and advising on what to do about it. Graduates in these roles typically work for engineering and environmental consultancies, the Environment Agency or equivalent bodies, local authorities, water companies or insurers, producing the technical reports and computer models that underpin planning decisions, flood defence schemes and drainage design. The clients are usually property developers, councils, government agencies or utilities who need to know whether a site can be built on safely and what flood mitigation it needs.

Starting salary: £25k–£32k
Live graduate jobs: 15 open now
Main way in: Graduate schemes at engineering and environmental…
They usually ask for: A numerate degree matters more than any single subject

Approximate graduate salary

Typically around £25,000–£32,000 to start, though this varies widely - consultancies in London and the South East tend to sit at the upper end, public sector and smaller regional firms often lower. An MSc or a placement year can nudge the starting figure up, and salaries usually rise noticeably once you're producing chargeable work independently and again on chartership.

What you'd actually do

Writing Flood Risk Assessments (FRAs) - the technical reports a developer must submit with a planning application to show a site is safe from flooding and won't make flooding worse elsewhere. Early on you'll draft the straightforward ones for small sites under supervision.
Pulling data together from flood maps, historic flood records, groundwater and rainfall datasets, topographic survey and LiDAR (laser-scanned ground levels), and checking it actually makes sense for the site in question.
Building and running hydraulic models - software that simulates how water moves through a river channel, across a floodplain or through a drainage network - and then interrogating the outputs to work out flood depths, velocities and extents for different storm scenarios.
Designing or sizing drainage features for new developments, particularly SuDS (Sustainable Drainage Systems - things like attenuation ponds, swales and permeable paving that slow water down rather than piping it straight away).

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Corresponding with the Environment Agency, Lead Local Flood Authorities (the council team responsible for surface water and ordinary watercourses) and water companies to agree assumptions, request data and respond to objections on planning applications.
Occasional site visits - walking a watercourse, checking culvert and outfall sizes, photographing existing drainage, noting evidence of past flooding.
Producing maps and figures in GIS (mapping software used to analyse spatial data) for reports, and checking others' drawings and calculations.

How graduates get in

Graduate schemes at engineering and environmental consultancies, usually advertised as graduate flood risk consultant, graduate hydrologist, water engineer or graduate engineer (water). This is the most common route and intakes are typically autumn, with applications opening the previous autumn or winter.
Direct entry into smaller consultancies and specialist flood risk firms, which recruit when they need someone rather than on a fixed graduate cycle. Worth applying speculatively - a lot of these roles are never heavily advertised.
The Environment Agency and Natural Resources Wales run graduate and apprenticeship-style schemes covering flood risk management, modelling and incident response. The Scottish Environment Protection Agency and Northern Ireland's Rivers Agency have broadly equivalent functions.
Local authority roles in drainage or Lead Local Flood Authority teams - these tend to be direct entry rather than graduate schemes, and are a good way in if you want planning and policy exposure rather than pure modelling.

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A taught MSc in hydrology, water engineering, flood risk management, environmental engineering or similar. Not compulsory, but common - and it's the usual route in if your first degree was geography, environmental science or similar rather than engineering.
Less common but real: moving across from a related role such as GIS analysis, civil engineering design, catastrophe modelling at an insurer, or environmental consultancy, picking up flood work on the job.

What employers ask for

A numerate degree matters more than any single subject. Civil or environmental engineering, geography (especially physical geography), geology, environmental science, hydrology, maths and physics all feed into this field. Pure humanities degrees are a difficult route in without a relevant MSc.
Most employers ask for a 2:1, though a 2:2 with a relevant MSc or strong placement experience is often accepted, particularly at smaller firms. This varies a lot.
Comfort with quantitative work - you will be handling rainfall statistics, return periods and flow calculations. Employers often probe this at interview even if they don't state a maths A-level requirement.
Some exposure to GIS and ideally to a hydraulic modelling package is a real advantage. Many graduates get this through a dissertation or MSc project rather than a job.

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A driving licence is frequently asked for because of site visits, especially in regionally based roles.
Chartership is the long-term expectation at most consultancies - usually Chartered Engineer (CEng) through the Institution of Civil Engineers, or Chartered Scientist / Chartered Environmentalist through CIWEM (the Chartered Institution of Water and Environmental Management). Which route you take depends on your degree and your employer.

Skills that matter

Hydraulic and hydrological modelling

Most of the technical value you add comes from building, running and sense-checking models of how water behaves in a catchment or drainage network.

GIS and spatial data handling

Almost every input and output is spatial - ground levels, flood extents, catchment boundaries - and you'll spend real time clipping, joining and mapping datasets.

Technical writing for a non-technical reader

A Flood Risk Assessment is read by planning officers and developers who are not hydrologists, so the argument has to be clear and the conclusions defensible.

Knowing the policy framework

Whether a development is acceptable depends on national planning policy and local plans as much as on the hydraulics, so you need to be able to point to the rule you are applying.

Scepticism about data

Published flood maps are often coarse or out of date, and a large part of the job is spotting when the standard dataset is wrong for a specific site and saying so.

Scripting or data automation (Python, R or similar)

Increasingly useful for processing large model outputs and rainfall datasets, and it distinguishes you quickly - though plenty of people in the field work without it.

Putting these on a CV? We counted which skills 12,914 live graduate adverts ask for, and what to do with the answer — part of our application advice.

Where it leads

Graduate or assistant consultant/engineer: working under supervision, drafting reports for simpler sites, doing data gathering, GIS work and model runs set up by others. Typically the first couple of years.
Consultant or engineer: owning smaller projects end to end, running your own models, handling correspondence with regulators directly, and starting to check junior colleagues' work. Many people submit for chartership around this stage - the Institution of Civil Engineers and CIWEM routes typically take several years post-graduation, and the exact timing varies a lot by individual and employer.
Senior consultant / senior engineer: technical lead on larger schemes, scoping and pricing work, managing budgets and a small team, and acting as the technical signatory on reports.
From there the paths diverge: principal or technical specialist (deep expertise in modelling, catchment strategy or coastal flooding), project or programme management on flood defence schemes, or moving into client-side roles at the Environment Agency, a water company, a local authority or a developer.
Some move sideways into adjacent fields - climate adaptation and resilience consulting, catastrophe modelling for insurers and reinsurers, water resources, or flood policy roles in government. Timelines across all of this vary widely depending on firm size and how quickly you get project responsibility.

What people get wrong

“It's mostly fieldwork - wading about in rivers and visiting flooded streets.”

The large majority of the job is desk-based: modelling, spreadsheets, GIS and report writing. Site visits happen but are a small fraction of the week, and in some roles are rare.

“You need a civil engineering degree.”

Geographers, environmental scientists and geologists are very well represented in flood risk, especially on the hydrology and modelling side. The engineering degree matters more if you want to end up designing physical defences and pursuing CEng.

“It's a niche environmental job with limited demand.”

Flood risk sits at the centre of the planning system - almost no significant development in England proceeds without some flood risk work - and climate adaptation has pushed it further into infrastructure, insurance and government policy.

“The flood maps tell you the answer, so the work is just looking things up.”

National flood maps are a screening tool, not a verdict. A great deal of the job is producing site-specific evidence that refines, challenges or supersedes them, and defending that evidence to a regulator.

Where this varies

The work looks quite different depending on where you sit. In a private consultancy you are working to fee budgets and deadlines on lots of developer-led Flood Risk Assessments and drainage strategies, with time recorded against jobs. At the Environment Agency or a Lead Local Flood Authority you are more often on the regulator's side - reviewing other people's assessments, maintaining flood maps and defences, and in some roles taking part in flood incident duty rotas, which can mean out-of-hours call-outs during storms. Water companies focus on sewer flooding and drainage capacity rather than rivers. Insurers and reinsurers use similar hydraulic data but for catastrophe modelling and pricing rather than planning. There are also national differences: planning policy, the responsible agencies and the terminology differ between England, Wales, Scotland and Northern Ireland, so experience doesn't always transfer one-for-one across borders. Finally, large consultancies tend to specialise you early into modelling or assessment work, while small firms expect you to do everything from the site visit to the final report.

See all 15 live Flood Risk jobsFrom employers' own careers sites, updated daily Tailor your CV for this roleFree with an account, 3 a month

General guidance about the role across the UK market, not about any specific employer. Entry routes and requirements vary — always check the individual job advert.