Principal Geotechnical Engineer – Underground Structures

Principal Geotechnical Engineer – Underground Structures Join to apply for the Principal Geotechnical Engineer – Underground Structures role at WSP in the UK & Ireland. Job Description At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. A Little More About Your Role We are seeking an experienced Principal Geotechnical Engineer with a proven track record in the design and delivery of underground tunnels and shafts in both soft ground and hard rock conditions. You will join a diverse team of engineers, scientists, and modellers, contributing to landmark projects across the UK, Ireland, and internationally. Our team values diversity of experience and collaborative working, and we offer an integration period to help you familiarise yourself with colleagues and projects. The Role Lead geotechnical design for underground structures including tunnels, shafts, and associated works from concept through detailed design and construction phases. Apply advanced soil and rock mechanics principles to develop safe, efficient, and innovative solutions for underground projects. Ensure compliance with relevant design standards and guidance (e.g., Eurocode 7, BS codes, ITA guidelines, and applicable local regulations). Undertake and review geotechnical analyses such as stability assessments, ground‑structure interaction modelling, and support system design. Oversee ground investigation planning, interpretation of geotechnical data, and development of geotechnical baseline reports. Manage technical delivery of multi‑disciplinary projects, coordinating inputs from structural, civil, and environmental teams. Provide expert advice on excavation methods, ground improvement techniques, and temporary/permanent support systems. Conduct site inspections, supervise construction activities, and provide technical input during tunnelling and shaft sinking operations. Mentor junior engineers and contribute to internal training programmes and knowledge‑sharing initiatives. Support business development through proposal preparation, client engagement, and participation in industry conferences. Promote health, safety, and equality in all aspects of work, adhering to company policies and values. What We Will Be Looking For Degree qualified in Civil Engineering, Geotechnical Engineering, or Engineering Geology (postgraduate qualification desirable). Extensive experience in geotechnical design for underground tunnels and shafts in soft ground and/or hard rock. Strong understanding of ground behaviour, soil and rock mechanics, and geotechnical risk management. Familiarity with tunnelling methods (e.g., TBM, NATM, SCL) and shaft sinking techniques. Proficiency in geotechnical analysis software (e.g., PLAXIS, FLAC, GeoStudio) and interpretation of ground investigation data. Demonstrated ability to manage complex projects and lead multi‑disciplinary teams. Excellent communication skills and willingness to travel within the UK and internationally. Application Note If you don’t meet all that we are looking for please still consider applying. Not everyone will meet all the requirements, but you might have skills we didn’t know we need. About Us We are one of the world’s leading engineering and professional services firms. Our 72,800 passionate people are united by the common purpose of creating positive, long‑lasting impacts on the communities we serve through a culture of innovation, integrity, and inclusion. With over 9,000 professionals across the UK and Ireland, we are dedicated to our local communities and propelled by international brainpower. Benefits Work‑life balance: hybrid working policy offering flexibility to work from home two days a week, and collaboration in modern offices across the UK. Inclusivity & belonging: we welcome applicants with varied backgrounds and experiences. Health & wellbeing: support through our Thrive programme, Virtual GP service, reasonable workplace adjustments, Gymflex scheme, and comprehensive menopause support package. Flex your time: “WSP My Hour” allows one hour each day for personal activities with flexible time‑adjustment. Additional benefits include part‑time and flexible working arrangements, purchase of additional leave, and use of bank holiday entitlement. Professional Development We invest in your growth through training, mentoring, and chartership opportunities. EEO Statement Here at WSP we positively encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity. As a Disability Confident leader, we will interview all disabled applicants who meet the essential criteria; please let us know if you require any workplace adjustments in support of your application. #J-18808-Ljbffr