Site Geotechnical Engineer

Site Geotechnical Engineer – Ground Investigation

Role Overview HB Tunnelling is seeking an experienced Site Geotechnical Engineer to plan, organise and supervise ground investigation and survey works for shaft, tunnelling and trenchless construction projects throughout the UK.The successful candidate will coordinate with clients, specialist contractors, HBT’s estimating, design and project teams, and other site stakeholders to make sure investigations are properly scoped, authorised and completed to the required standards.

Typical work may include supervising cable percussion and rotary boreholes, trial pits and trial holes, cone penetration testing (CPT), groundwater monitoring, sampling, in-situ testing, geophysical surveys, utility surveys and topographical surveys. The role will involve regular UK travel and visits to active sites.

The successful candidate will help define investigation requirements, organise site works, confirm permits and access arrangements are in place, monitor progress and quality, and ensure that field records and samples are correctly collected and managed. They will provide timely updates to clients and project teams, identify unexpected ground conditions or safety issues, and coordinate appropriate follow-up actions.

This is a practical, site-focused role. It requires a strong understanding of ground investigation methods and the ability to manage contractors and solve problems on site. The role will also support the interpretation of investigation results and provide reliable information to inform tender assessments, design and construction planning.

• Key Responsibilities

• Organise site investigations, including boreholes, rotary drilling, trial pits and trial holes, CPT, in-situ testing, groundwater monitoring and other relevant methods.
• Coordinate investigation programmes, site access, contractor availability, equipment, traffic management and other logistics.
• Liaise with clients, landowners, utility providers, designers, site teams and specialist investigation contractors.
• Confirm that required permits, permissions, service information, access arrangements and site inductions are in place before works start.
• Coordinate survey requirements, which may include topographical, utility-detection, setting-out or other project-specific surveys.

• Attend site to supervise and monitor ground investigation and survey works.
• Monitor contractor performance, progress, workmanship and compliance with site safety.
• Coordinate daily activities with the client’s representatives, investigation contractors and HBT project teams.
• Identify unsafe conditions, unexpected ground conditions, buried services or departures from the agreed method, and take appropriate action.
• Maintain clear records of site attendance, progress, instructions, delays, changes and any incidents or near misses.

• Supervise or undertake geotechnical logging of soils and rock, as appropriate to experience and project requirements.
• Check that borehole, trial pit, trial hole and CPT records are complete, clear and consistent with the investigation specification.
• Monitor sample collection, identification, storage and transfer for laboratory testing.
• Record groundwater strikes, water levels, drilling progress, obstructions, core recovery, drilling difficulties and other relevant observations.
• Ensure field data, photographs, coordinates and records are properly captured and submitted Review factual information supplied by investigation contractors and identify omissions, inconsistencies or issues requiring clarification.
• Coordinate laboratory testing requirements and track samples through to receipt of…