Engineer Geologist

An engineering geologist works out what the ground is made of and how it will behave when something is built on, in or through it. They investigate soil and rock conditions on sites for buildings, roads, railways, tunnels, dams, pipelines and landfills, assess hazards like landslides, sinkholes and unstable slopes, and turn that into advice for civil engineers, developers and contractors. Most work for geotechnical and engineering consultancies, ground investigation contractors, or the engineering divisions of large infrastructure firms.

Starting salary: £25k–£32k
Live graduate jobs: 11 open now
Main way in: The most common route is a geology, engineering geology, earth…
They usually ask for: A degree in geology, earth sciences, engineering geology…

Approximate graduate salary

Graduate starting salaries are typically somewhere around £25,000–£32,000, varying considerably by employer type and location - consultancies in London and on major infrastructure programmes tend to pay at the higher end, smaller regional firms and ground investigation contractors lower. Site-based roles often add allowances for overnight stays, travel and overtime, which can make a meaningful difference to actual take-home pay. Treat these as rough approximations only.

What you'd actually do

Supervising ground investigation on site - standing over a drilling rig or trial pit as boreholes are sunk, logging the soil and rock that comes up (describing colour, strength, grain size, fracturing) to the relevant British Standard, and deciding where samples and in-situ tests should be taken.
Writing up borehole logs and factual reports, then building a ground model: a picture of what the layers beneath a site look like and where groundwater sits.
Reading historical maps, geological memoirs, aerial photos and old site records in a desk study, to work out what was previously on a site and what contamination or made ground might be lurking.
Doing geotechnical calculations and analysis - bearing capacity for foundations, slope stability, settlement, earthworks cut-and-fill - usually using specialist software alongside spreadsheets.

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Writing interpretative reports that tell the designer what foundation type to use, how deep to go, what to do about soft ground, and what risks remain.
Coordinating with the lab on soil testing schedules, and chasing results so the report can be finished to deadline.
Attending site meetings and calls with civil and structural engineers, contractors, environmental consultants and sometimes the client, explaining ground risk in terms a non-geologist will act on.

How graduates get in

The most common route is a geology, engineering geology, earth sciences or geoscience degree straight into a graduate position at an engineering or geotechnical consultancy, or with a ground investigation contractor. Contractors often hire more graduates and put them on site quickly.
A civil engineering degree with a strong geotechnical element also works, and some employers prefer it for the design-heavy roles - though you may need to build up geological logging skills on the job.
A specialist MSc in Engineering Geology, Geotechnical Engineering, Hydrogeology or Soil Mechanics is very common and, at some consultancies, effectively expected for a general geology graduate. It is not universally required, especially for site-based contractor roles.
Starting as a site technician or site engineer with a ground investigation contractor and moving into a geologist role is a realistic route, particularly for graduates without an MSc.

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Summer placements, industrial years and field mapping experience count for a lot. Independent mapping projects and field camps on a geology degree are directly relevant evidence.
Degree apprenticeships and sponsored routes exist in the wider civil engineering sector but are less common specifically for engineering geology than for civil engineering.

What employers ask for

A degree in geology, earth sciences, engineering geology, geophysics or civil engineering. The subject genuinely matters here - this is not a role open to any discipline. Most employers want at least a 2:1, though a 2:2 with a relevant MSc or good site experience is often accepted, especially by contractors.
An accredited degree helps if you want chartership later. The Geological Society accredits degrees for Chartered Geologist (CGeol), and some civil-leaning courses are accredited by engineering institutions for Chartered Engineer (CEng) - check before you commit to a course if chartership matters to you.
A full UK driving licence is close to essential for site-based roles, because you will be driving to remote or temporary sites with equipment.
Site safety cards - commonly CSCS, and sometimes further safety training for rail, highways or confined spaces - are usually required. Employers normally pay for and arrange these once you start.

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Willingness to work outdoors in poor weather and to stay away from home. Many graduate roles involve significant travel and periods living in hotels near a site.
Professional exams are not a condition of entry, but you are expected to work towards chartered status (CGeol with the Geological Society, or CEng, often through the Institution of Civil Engineers) over several years.

Skills that matter

Soil and rock description to British Standard

A borehole log is a legal and contractual record that others design from; describing a clay as the wrong strength or missing a layer of made ground can lead to expensive design errors.

Technical report writing

The deliverable is almost always a report, and it has to be clear enough for a civil engineer with no geology background to act on without ambiguity.

Geotechnical calculation and software use

Slope stability, settlement and foundation analysis are done in specialist packages, and you need enough judgement to know when a plausible-looking output is nonsense.

Spatial and 3D thinking

You are building a mental picture of layers, faults and groundwater from a handful of vertical boreholes and interpolating between them, which is largely a visualisation skill.

Site safety awareness and confidence around plant

You will supervise drilling rigs and excavators, often as the only technical person present, and are expected to stop work when something is unsafe.

Managing uncertainty and risk judgement

You never have complete information about the ground, so the job is about saying clearly what is known, what is assumed and what the residual risk is.

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 engineering geologist - heavily site-based, logging, supervising investigations, drafting factual reports under supervision. Typically the first couple of years, though this varies by employer.
Engineering geologist - running smaller investigations yourself, writing interpretative reports, doing design calculations, and starting to be the point of contact for clients on modest jobs.
Chartered status (CGeol or CEng) is the usual milestone, commonly reached somewhere around four to six years in, depending on the breadth of your experience and how well your employer supports the process. Timelines vary widely.
Senior or principal engineering geologist - leading projects, signing off reports, managing junior staff, pricing and winning work, and taking technical responsibility for ground risk on large schemes.
From there, paths diverge: technical specialism (tunnelling, dams, slope engineering, ground contamination), team or office management within a consultancy, moving client-side to an infrastructure owner or developer, or into expert witness and ground risk advisory work. Some move laterally into geotechnical engineering, hydrogeology or contaminated land.

What people get wrong

“It is mostly fieldwork - you will spend your career outdoors with a hand lens and a hammer.”

Site time is heaviest in the first few years and then drops sharply. Senior engineering geologists spend most of their time on analysis, report writing, project management and client work. If outdoor work is the main appeal, be clear-eyed that it tends to fade with seniority.

“It is the same as being a geologist in oil, gas or mining.”

The geology is applied very differently. Here you care about how the ground performs as a material - strength, permeability, stability, settlement - rather than about finding resources. The working culture is civil engineering and construction, with its deadlines, contracts and safety regime.

“You need a geology degree and nothing else will do.”

Civil engineers with geotechnical training compete for many of the same roles, and the best engineering geologists tend to be fluent in both. Equally, a pure geology graduate often needs an MSc or on-the-job training to pick up the soil mechanics side.

“The work is technical and self-contained, so communication barely matters.”

A large part of the value is persuading engineers, contractors and clients to take ground risk seriously when it is invisible and the programme is tight. A technically correct report that nobody acts on has failed.

Where this varies

The split between contractors and consultants matters a lot. Ground investigation contractors do the physical drilling and testing, so their graduates are on site constantly, learn logging fast and travel heavily. Engineering consultancies do more desk study, interpretation and design, with less site time but more analysis and client contact - though graduates there still expect substantial site work early on. Large multidisciplinary consultancies tend to offer structured graduate schemes with formal chartership support and rotations; smaller specialist firms give broader responsibility sooner but less structure. Sector also shapes the work: rail and highways involve strict safety accreditation and a lot of night and weekend possessions, while contaminated land and development work overlaps more with environmental consultancy. Regionally, work follows geology and infrastructure spend - tunnelling and major schemes concentrate around London and the major conurbations, while slope and coastal stability work clusters in upland and coastal areas, and Scotland, Wales and Northern Ireland have their own planning and regulatory frameworks.

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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.