◆ Engineering

What a geotechnical engineer
really does.

23 tasks, each one witnessed by the sources that watched the job — and behind every one, a prompt you can use tonight.

23evidenced tasks
367,840in the US (2025)
$100,840median pay / year
6systems it runs on
See the 23 tasks ↓Open in the atlasThe full career map →
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Supervise site investigations
Run the site investigation this week at Lot 7B, coordinating the drill…3 sources agree

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The work, task by task

23 tasks
Hands on the work14
Supervise site investigations+
Run the site investigation this week at Lot 7B, coordinating the drilling contractor, supervising standard penetration tests, logging soils to the project logs, photographing boreholes, and upload the completed field report to the project folder by Friday morning.
jdonetwiki3 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Prepare project bids+
Draft the bid for the North Ridge retaining wall by next Tuesday, include scope, borehole and lab testing allowances, programme with three-week mobilisation, and a clear price breakdown so procurement can compare it to Winch Contractors' tender.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Liaise with clients+
Call Emily at Halford Developments this afternoon, review the geotechnical findings for Trench C, explain implications for foundation depth and ground improvement, note her decisions on bearing capacity and provide a revised scope by Thursday.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Evaluate and select appropriate construction materials+
Assess the proposed fill and subbase materials for the access road, request gradation and CBR test results from the lab, compare to specification limits, and issue material acceptance or rejection with reasons by close of business Wednesday.
onetwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Design infrastructure blueprints+
Produce construction-ready blueprints for the new access road and retaining walls, showing soil bearing assumptions, foundation types, excavation limits and drainage details for tender issue next Wednesday.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Compute load and grade requirements, water flow rates, or material stress factors to determine design specifications.+
Calculate bearing capacities, slope stability factors, and required pavement structural sections for the new loading dock, including service water runoff rates and material specifications for the design submission in ten days.
onet
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Plan and design transportation or hydraulic systems or structures, using computer-assisted design or drawing tools.+
Plan the highway drainage and culvert layout across the site, produce longitudinal profiles, finalize design grades and create the plan drawings needed for the council approval package in three weeks.
onet
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Analyze survey reports, maps, drawings, blueprints, aerial photography, or other topographical or geologic data.+
Review the survey, geological map, aerial photos and previous investigation logs, then produce a geotechnical interpretive memo with critical sections and recommended further tests for the project manager by Monday.
onet
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Watch and assess4
Grow the practice3
Keep it safe2

What the work runs on

named inside the evidenced tasks
12 tasksMicrosoft Officeorganises schedules, compiles the field report and communications for submission
11 tasksMicrosoft Excelrecords and summarises SPT blow counts and soil logs in tabular formOpen its task library →
5 tasksESRI ArcGISmap existing site data, overlay boreholes and groundwater contours to assess feasibility
4 tasksAutodesk AutoCAD Civil 3Dcreate civil-grade plans, sections and alignments needed for tender-quality blueprints
1 taskAutodesk AutoCADdetail drafting and layout work for plan sheets if required
1 taskAdobe Acrobatproduce the final PDF, combine figures and apply secure file properties
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The same task, four heights

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ExecuteDo today's task, with fewer mistakesyou are here → ImproveMake it easy for the next person to acceptin the atlas → DecideWork out the right move when it is unclearin the atlas → BecomeLearn the pattern so it stops coming backin the atlas →

Can AI actually do this job?

the honest answer

It can

where it genuinely helps
  • Explain the theory behind the work
  • Draft, tidy and structure your writing
  • Rehearse a hard conversation before you have it
  • Build a study plan that fits your gaps

It cannot

where it stops, completely
  • Be in the room where a geotechnical engineer actually works
  • Carry the responsibility when the call is wrong — that weight stays yours
  • Notice what no one wrote down: the hesitation, the thing left unsaid
  • Live with the outcome

What the work pays

two countries, two different measures

United States

this exact occupation · BLS 2025
  • $100,840 a year — the middle: half earn more, half earn less
  • The lowest tenth earn near $68,240; the top tenth near $163,220
  • 367,840 people employed in this occupation

Where the evidence lives

open any of it yourself
O*NETThe US Department of Labor's own record of this job9 of these tasks Job descriptionsReal postings, in the wild14 of these tasks WikipediaHow the world describes this work9 of these tasks US Bureau of Labor StatisticsPay and employment, by occupation2025 figures UK NOS MPQDO38Carry out geotechnical inspectionnational standard UK NOS SEMPW414LSupervise the permanent way engineering work of a team on site Legacynational standard

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Questions people actually ask

You’ll split time between the field and the office. Morning site visits might include supervising borings or watching cone penetration tests, then checking that contractors follow safety standards.

Afternoon is drawing and numbers: reviewing AutoCAD Civil 3D plans, analyzing soil lab tests, updating Excel spreadsheets for load or settlement calculations, and writing short technical reports for the client.

Start with Microsoft Excel and Microsoft Office — clients expect clear spreadsheets and Word reports. Excel handles load, stress, and water flow calculations and simple plots.

Next pick up AutoCAD and AutoCAD Civil 3D for plans and drawing reviews, and ESRI ArcGIS if projects need mapping or terrain analysis. Adobe Acrobat is standard for marked-up drawings and PDFs.

Use AI to speed drafting text, summarize lengthy reports, or create checklists, but never let AI replace your engineering judgment. Always verify calculations yourself in Excel or your design software.

Keep client data private: don’t paste sensitive site maps or client names into public AI chat tools. Treat AI outputs as starting points, then cite actual lab tests, codes, and your calculations.

According to the U.S. Bureau of Labor Statistics (BLS), about 367,840 geotechnical and related engineers were employed; median annual wage was $100,840 in 2025.

BLS also lists the lowest tenth around $68,240 and the top tenth about $163,220. Local market, experience, and project types (transportation, remediation, large foundations) change those numbers.

Focus on math (calculus), physics, and basic geology. Take drafting or CAD classes if your school offers AutoCAD exposure. Learn Excel — practice spreadsheets, formulas, and simple charts.

Look for internships with local engineering firms where you can shadow site investigations, soil testing, or see AutoCAD Civil 3D drawings. Ask to watch lab tests so terms like ‘bearing capacity’ and ‘liquefaction’ make sense.

Geotechnical engineers focus on the ground: soil testing, foundation design, slope stability, and environmental cleanup methods. We produce the soil reports that tell structural engineers what foundations need.

Civil or structural engineers design the bridge, building, or pavement geometry and loads. You’ll coordinate with them, review their drawings in AutoCAD, and provide specifications for foundations and ground improvement.

Mastering soil and material testing interpretation is critical: know how to read lab results (grain size, Atterberg limits, unconfined compressive strength) and turn them into bearing capacity numbers.

Pair that with confident Excel modeling and clear technical report writing so you can compute loads, propose foundation types, prepare bids, and explain risks to clients in plain terms.