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