We are supporting the delivery of HS2 in the Aylesbury area and are seeking an experienced Multidisciplinary Sub Agent to work on a permanent basis. The role sits within a major civils package and involves coordination and delivery across multiple disciplines in a highly regulated, safety‑critical environment.
Role Purpose
The Sub Agent will be responsible for managing defined sections of works, ensuring safe, programmed, and quality‑driven delivery across a range of civil engineering activities. The role requires strong coordination between construction, commercial, design, and temporary works teams, as well as effective interface management with HS2 Ltd and stakeholders.
Key Responsibilities
Delivery & Construction Management
Manage day‑to‑day delivery of multidisciplinary civils works including:
Earthworks
Drainage (surface and foul)
Heavy structures / concrete works
Utilities and services diversions
Ensure works are delivered in line with programme, budget, and HS2 standards
Coordinate subcontractors and direct delivery teams on site
Plan and sequence works in collaboration with the Project Manager and Section Engineers
Safety, Quality & Compliance
Promote and maintain a strong, proactive health & safety culture
Ensure compliance with HS2 Assurance, quality plans, ITPs, and project procedures
Review and implement RAMS, permits, and safe systems of work
Support audits, inspections, and HS2 technical assurance processes
Commercial & Programme Control
Assist with short‑term and look‑ahead planning
Contribute to cost control, change management, and subcontractor performance
Support valuation, compensation events, and early warning processes
Identify and manage risks and opportunities within the section
Design & Temporary Works Interface
Work closely with design teams to resolve constructability issues
Coordinate and manage temporary works in line with temporary works procedures
Ensure timely approvals and implementation of permanent and temporary designs
Stakeholder & Client Interface
Act as a key site‑based point of contact with HS2, the client, and supply chain partners
Support stakeholder coordination where construction interfaces with third‑party assets
Skills & Experience Required
Essential
Proven experience as a Sub Agent or Senior Section Engineer on major UK infrastructure projects
Strong multidisciplinary civils background (earthworks, drainage, structures, utilities)
Experience working within regulated environments such as HS2, highways, rail, or major frameworks
Good understanding of NEC forms of contract
Ability to manage multiple work fronts and interfaces simultaneously
Strong leadership, communication, and organisational skills
Desirable
Previous HS2 project experience
Experience working in assurance‑led or client‑heavy environments
HNC / Degree in Civil Engineering or equivalent
SMSTS, CSCS (Black or Gold), Temporary Works Supervisor/Coordinator
Salary description
£55000.00 - £55000.00 per year