Site Agent​/Site Manager

Site Agent | Lead ground investigation sites, manage teams and deliver UK infrastructure projects

Site Agent / Site Manager – Ground Investigation
Location: Doncaster
Contract: Permanent, Full Time
Sector: Ground Investigation / Geotechnical / Infrastructure
Experience: Minimum 5 years' relevant UK ground investigation experience

An excellent opportunity has arisen for an experienced Site Agent / Site Manager to join a leading ground investigation and infrastructure team based from the Doncaster office. This role is suited for a candidate with strong site management experience within ground investigation, civil engineering or infrastructure projects. The successful candidate does not need to be highly technical from a geologist perspective, but must be confident managing site operations, coordinating teams and ensuring works are delivered safely, efficiently and to programme.

The employer is a well-established provider of geotechnical, ground investigation, testing, inspection and infrastructure support services across the UK. The business supports major construction and civil engineering projects, helping clients manage ground risk, quality, safety and compliance throughout the project lifecycle. Its teams work across land‑based and over‑water projects, supporting site investigation, monitoring, testing and technical delivery for a wide range of infrastructure and development schemes.

As Site Agent / Site Manager, you will be responsible for managing and delivering ground investigation works on site. You will oversee daily operations, coordinate site teams and subcontractors, manage site documentation and ensure works are completed safely and in line with the agreed scope, programme and client requirements. The position will involve regular travel to project sites, with overnight stays required depending on project location.

• Manage the day‑to‑day running of ground investigation sites
• Coordinate site mobilisation, set‑up and demobilisation
• Supervise drilling teams, subcontractors, site staff and suppliers
• Ensure site works are delivered safely, efficiently and in line with programme
• Monitor progress against project requirements and report updates clearly
• Maintain accurate site records, daily diaries and project documentation
• Identify and resolve site issues quickly and professionally
• Escalate technical, commercial or programme concerns where required
• Support the successful delivery of both land‑based and over‑water projects

• Allocate daily tasks to site teams and subcontractors
• Ensure operatives are briefed on RAMS, site rules and client requirements
• Coordinate drilling crews, plant, equipment and materials
• Maintain clear communication between site teams and project managers
• Support and guide junior site staff where required
• Assist with supervision and training of site‑based personnel
• Promote a professional and organised working environment on site

• Take responsibility for maintaining strong health, safety and quality standards on site
• Ensure work is carried out in accordance with approved RAMS and company procedures
• Deliver site inductions, briefings and toolbox talks
• Monitor safe working practices across site activities
• Report hazards, incidents and near misses promptly
• Carry out site checks and support compliance with client requirements
• Ensure site documentation is completed accurately and on time
• Promote a positive safety culture across all site operations

• Oversee intrusive ground investigation works
• Support investigation methods such as cable percussion, rotary drilling, window sampling, trial pits and monitoring works
• Ensure works are completed in line with the project specification
• Coordinate sampling, logging support and laboratory requirements with technical staff
• Record site conditions, progress and any changes to planned works
• Liaise with project managers and technical teams regarding site findings
• Support factual reporting by ensuring accurate site information is captured

• Act as a key site contact for clients and project stakeholders
• Attend…