Principal Geotechnical Engineer – Ground Engineering Lead

Amentum; East Hagbourne; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Amentum seeks Engineering Geologists and Geotechnical Engineers at the Principal level to lead technical delivery across Defence, Nuclear, Environment and critical infrastructure projects in the UK. You will manage ground investigations, desk studies and reports, guiding teams and engaging with clients to shape scopes and solutions.

The role combines office and site work across the UK, with opportunities to act as Project Manager or discipline lead on complex assignments.

Qualifications

• Degree in Engineering Geology or Geotechnical Engineering or equivalent.
• Chartership with a relevant professional body (CEng or CGeol) preferred or progressing toward chartership.
• Practical experience in ground engineering, GI activities, and interpretation of field/lab data.

Responsibilities

• Lead and deliver geotechnical and engineering geological desk studies and ground models.
• Plan and deliver land and overwater ground investigations with clear specs and schedules.
• Conduct field mapping, walkovers, and interpretation of soil/rock data for design.
• Develop ground models and assess geotechnical hazards and uncertainties.
• Provide technical delivery of reports and design for Eurocode 7 applications.
• Mentor junior colleagues and engage with clients to define scopes and deliverables.

Skills

Engineering Geology

Geotechnical Engineering

Ground Investigation

Site-based GI activities

Education

Degree in Engineering Geology or Geotechnical Engineering

Tools

ICE Yellow Book

Job description

Amentum seeks Engineering Geologists and Geotechnical Engineers at the Principal level to lead technical delivery across Defence, Nuclear, Environment and critical infrastructure projects in the UK. You will manage ground investigations, desk studies and reports, guiding teams and engaging with clients to shape scopes and solutions.

The role combines office and site work across the UK, with opportunities to act as Project Manager or discipline lead on complex assignments.