Sub Agent – Civils / Infrastructure

Job Title: Sub Agent – Heavy Civils/Infrastructure – Heathrow Airport

Rate: £450-£475 per day (Inside IR35)

Contract Length: 6-9 months (strong likelihood of extension)

Location: Heathrow Airport, Airside & Landside

Job Description:

TRIbuild Solutions is recruiting an experienced Sub Agent on behalf of a Tier 1 contractor delivering heavy civils and infrastructure upgrade works at Heathrow Airport. This role spans both airside and landside operations, offering an initial 6-9 month contract with strong potential for extension.

The successful candidate will take responsibility for the management and delivery of works within their designated area, supporting the Project/Site Agent and ensuring safe, efficient, and compliant delivery across multiple subcontract packages.

Key Responsibilities:

  • Manage delivery of works across designated area, ensuring programme, cost, and quality targets are met
  • Oversee and manage multiple subcontractors, ensuring compliance with contract requirements and site standards
  • Support planning, sequencing, and resourcing of works
  • Liaise with client, design teams, and internal stakeholders
  • Monitor progress against programme and report on any deviations
  • Ensure strict adherence to health, safety, and environmental requirements in an operational airport environment

Requirements:

  • Proven experience as a Sub Agent on heavy civils/infrastructure projects
  • Demonstrable experience managing subcontractors is essential
  • Airside/airport project experience highly desirable
  • Relevant degree or equivalent industry qualification
  • Valid CSCS card
  • SMSTS certification
  • Airside pass/security clearance eligibility (or ability to obtain)

Contract Details:

  • Inside IR35
  • Umbrella PAYE arrangement
  • Immediate start available

For more information or to apply, please submit your CV via CV-Library or contact Leon at TRIbuild Solutions directly.

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At a glance

  • Job reference: BBBH9498_1785235386
  • Location: Feltham, London
  • Job type: Agency, Contract, Freelance, Full Time
  • Job sector: Other
  • Salary: £450 – £475 per day + – Inside IR35 via Umbrella PAYE
  • Published: July 28, 2026