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Posted 29 July, 2026

Principal Geotechnical Engineer

Penguin Recruitment
City of London, ENG, GB Full Time

Job Description

Principal Geotechnical Engineer Location: Central London Salary: £45,000 - £65,000 An exciting opportunity has become available for a Principal Geotechnical Engineer to join a growing and highly technical engineering consultancy based in Central London. This role offers the chance to take a leading role within the geotechnical team, delivering innovative design solutions across a diverse portfolio of complex projects. The successful candidate will have strong technical expertise in geotechnical design and a proven ability to lead projects, mentor junior engineers and contribute to the continued growth and development of the team. The Role As a Principal Geotechnical Engineer, you will be responsible for managing and delivering a range of geotechnical design projects across the built environment and infrastructure sectors. You will work closely with clients, multidisciplinary teams and internal engineers to provide high-quality, practical engineering solutions. Key responsibilities include: Leading geotechnical design projects from concept through to delivery Providing technical input across foundation design, retaining structures, earthworks and ground improvement schemes Undertaking and reviewing geotechnical calculations, assessments and reports Managing client relationships and supporting business development activities Mentoring and supporting junior and graduate engineers Reviewing technical work to ensure quality and compliance with industry standards Collaborating with structural, civil and other engineering disciplines Contributing to innovative engineering solutions for complex ground conditions Supporting the continued growth and development of the geotechnical team Requirements Degree in Civil Engineering, Geotechnical Engineering, Engineering Geology or a related discipline Significant experience within geotechnical consultancy Strong background in geotechnical design and analysis Experience with foundation design, retaining walls, slope stability and ground improvement Ability to manage projects and communicate effectively with clients Experience mentoring or supporting junior engineers Chartered status with a relevant professional body (or working towards chartership) Excellent technical report writing and communication skills Benefits Competitive salary package Opportunity to play a key role in a growing technical team Exposure to challenging and varied geotechnical projects Strong career progression opportunities Support towards professional development and chartership Collaborative and forward-thinking working environment Central London office location with excellent transport linksThis is a fantastic opportunity for a Principal Geotechnical Engineer looking for a role where they can have a genuine impact, work on technically challenging projects and help shape the future direction of a growing engineering consultancy