Engineering Sub Agent, Civil Engineering

Project Overview

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.

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.

• 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

• 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

• 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

• 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

• 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

• 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

• 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