Principal Geotechnical Design Engineer

About the role

Amentum is growing its UK Ground Engineering capability to support a wider portfolio of projects in the Defence, Nuclear, Energy, Environment and Government-Owned Critical Infrastructure sectors. It is looking for an experienced Principal or Technical Director Geotechnical Design Engineer to lead the delivery of complex projects. The role is hybrid, based in London, Gloucester, Bristol or Glasgow.

Key responsibilities

• Lead geotechnical design and technical delivery of major projects from concept through detailed design and construction support.
• Undertake and direct advanced numerical modelling analyses using PLAXIS 2D/3D, FLAC 2D/3D or similar software.
• Deliver geotechnical assessments and designs for foundations, retaining structures, excavations, earthworks and soil-structure interaction problems.
• Review and interpret ground investigation data to develop robust, cost-effective design solutions.
• Contribute to technical excellence, innovation and best practice within the Ground Engineering team.
• Develop client relationships and support business development activities.
• Collaborate with structural, civil, seismic, nuclear and environmental specialists.

Required profile

• Degree in Civil Engineering, Geotechnical Engineering, Engineering Geology or a related discipline, with a relevant MSc or equivalent.
• Chartered Engineer (CEng) or equivalent professional qualification.
• Significant experience in geotechnical design consultancy and project delivery.
• Strong understanding of soil mechanics, foundation engineering and geotechnical design principles.
• Desirable: experience in dynamic and seismic geotechnical engineering, and in the Defence and/or Nuclear sectors.

Required skills

• Numerical modelling with PLAXIS, FLAC/FLAC3D or equivalent geotechnical analysis software.
• Desirable: knowledge of performance-based design methodologies and familiarity with nuclear safety case requirements.

What we offer

• Free single medical cover and digital GP service for UK employees.
• Enhanced parental leave pay and free membership of employee assistance and parental programmes.
• Reimbursement towards professional development and memberships.
• Flexible, hybrid, part-time and flexible working arrangements.
• Career development opportunities.