Sub Agent

Job Title: Sub Agent - Major Infrastructure / Ground Investigation

Location: Inveraray

Assignment Duration: Contract (Late September Start)

About the Role We are seeking an experienced Sub Agent / Ground Investigation Specialist with over 25 years of UK infrastructure experience to lead and coordinate multi-front site operations.

In this role, you will oversee complex Ground Investigation (GI) activities, manage on-site logistics, drive contractor and subcontractor delivery, and enforce strict CDM 2015 compliance and Health & Safety standards across major infrastructure projects.

Key Responsibilities • Site Operations & Management: Act as Site Agent / Client Representative, managing daily site logistics, subcontractor activities, and multi-front GI teams.

• Safety & Compliance: Enforce safe systems of work, prepare and verify RAMS, issue Permits to Dig, deliver inductions/toolbox talks, and uphold CDM 2015 standards.


• Technical Supervision: Oversee rotary drilling, cable percussion, CPT rigs, dynamic sampling, packer testing, and trial pitting.


• QA/QC & Reporting: Ensure all logging (BS5930), sampling, testing, and factual reporting meet client specifications and technical assurance guidelines.


• Stakeholder Liaison: Coordinate closely with Principal Contractors, Principal Designers, clients, and landowners to maintain project schedules and delivery targets.

Key Qualifications & Certifications Certifications Required:

• SMSTS


• CSCS Manager Card


• First Aid at Work (3-Day)


• CAT & Genny


• Highway Passport


• Asbestos Awareness

Education: Degree in Engineering Geology, Geophysics, or Civil/Geotechnical Engineering.

• Experience:

Proven track record in a Sub Agent, Site Agent, or Senior GI Lead role on UK mega-projects (e.g., HS2, Lower Thames Crossing, East West Rail, A66, Heathrow Expansion).

• Comprehensive expertise in soil/rock logging, rig management, and environmental/geotechnical site investigations.

Commercial Details • Pay Rate: £500 per day (Inside IR35 via Umbrella)

• Start Date: Late September


• Right to Work: Full UK Right to Work required

How to Apply If you have the major infrastructure experience and technical background required for this position, please submit your CV for immediate consideration. Interviews are taking place at short notice.

Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

This listing is from Reed. View original listing ↗