Principal Geotechnical Engineer – London

What You’ll Own

You’ll be a Principal Geotechnical expert driving technical excellence on challenging development projects across the UK, Middle East, USA and Europe.

• Lead geotechnical design for earthworks, foundations, retaining structures, excavation support, and underpinning systems.
• Manage and interpret site investigations, ensuring robust engineering decisions from planning through delivery.
• Produce high-quality reports, specifications, and field documentation that inform project direction.
• Coordinate fieldwork and provide clear, confident guidance to project teams and stakeholders.
• Mentor junior engineers and help raise standards of technical practice across teams.

What Success Looks Like in 12–18 months.

• Managing projects from end to end.
• Ground-related design work completed on time with strong technical quality and minimal rework.
• Project teams rely on your judgement to solve complex subsurface challenges.
• Investigation programmes and technical reports become trusted tools for project delivery.
• You’re recognised as a go-to advisor by colleagues and external partners.

What We’re Looking For

• Strong geotechnical engineering experience, including design and field investigation oversight.
• Broad technical capability across soil and rock mechanics, deep foundations, and support systems.
• Excellent communication skills – an ability to present clear recommendations to multi-disciplinary teams, and a desire to manage projects.
• A pragmatic problem-solver with strong engineering judgement and a collaborative mindset.
• Experienced with numerical analysis, PLAXIS 2D and 3D.
• Willingness to travel internationally, and a desire to ‘go the extra mile’ for projects, clients and your team.
• Chartered and Master’s degree.

Why You’ll Want to Join the Team

This organisation offers a culture of technical excellence, practical experience, and responsiveness, where engineers are encouraged to grow, innovate, and collaborate across disciplines.

People choose to work here because:

• Multiple projects have won Engineering Excellence Awards and industry recognition for innovation and complexity.
• The firm has been named a Best Place to Work in regional rankings and top engineering firms lists.
• Structured professional development, mentoring programmes, and ongoing training support career growth.