Sub Agent - Civils (HS2 / Major Infrastructure)
Northampton Region
Freelance Contract (Inside IR35)
£550-£580 per day
Immediate Start
The Role
We are seeking an experienced Sub Agent to join a major infrastructure project in the Northampton region, supporting delivery on a high-profile civil engineering scheme.
Working as part of a Tier 1 contractor team, you will take responsibility for the planning, coordination, and delivery of key work packages, ensuring works are delivered safely, on programme, and to specification.
Key Responsibilities
- Manage day-to-day site operations across allocated sections of work
- Oversee subcontractors delivering civils packages (earthworks, drainage, structures, or highways)
- Ensure compliance with health, safety & environmental standards
- Drive programme performance and short-term planning (lookaheads)
- Review and implement method statements and risk assessments (RAMS)
- Coordinate with engineering teams to resolve technical issues
- Monitor progress, quality, and productivity on site
- Support cost control, forecasting, and reporting to senior management
- Maintain accurate site records, including diaries and progress reports
- Liaise with stakeholders including client reps, designers, and supply chain
Requirements
- Proven experience as a Sub Agent or Senior Engineer on major civils / infrastructure projects
- Strong background in earthworks, drainage, highways or structural works
- Experience managing subcontractors and site teams
- Excellent knowledge of CDM regulations and health & safety practices
- Ability to read and interpret technical drawings and specifications
- Strong communication and leadership skills
- SMSTS, CSCS (Black or Gold), and First Aid (preferred)
Desirable
- Experience working on HS2 or other major UK infrastructure projects
- Familiarity with Tier 1 contractor processes and reporting systems
- Knowledge of NEC contracts
What's on Offer
- Competitive day rate: £550-£580 Inside IR35
- Long-term pipeline of work
- Opportunity to work on one of the UK's largest infrastructure programmes
- Immediate start available