Rail Sub Agent

Are you an experienced Sub Agent / Site Agent with a strong civil engineering background? Do you have experience managing site teams, subcontractors and delivery programmes on major infrastructure projects? Job Title:…

Inside IR35 Engineering
Pay rate £500 – £600/day
Contract type Contract
Posted 8 October 2026

Trusted. Transparent. Built for contractors. Thousands of UK contractors find their next contract on ContractorUK.

View all engineering jobs ›

About this contract

Are you an experienced Sub Agent / Site Agent with a strong civil engineering background?
Do you have experience managing site teams, subcontractors and delivery programmes on major infrastructure projects?
Job Title: Sub Agent
Location: West London - 5 Days Site Based
Rate: £500-£600/day Inside IR35 via Umbrella Provider
Contract: 12-Month Contract
Start Date: ASAP
We are looking for a Sub Agent to support the Construction Manager on HS2 overseeing the day-to-day delivery of civil engineering works.
Where you will add value:
·Manage site teams, subcontractors, labour, plant and materials
·Develop and monitor construction programmes
·Manage resources and coordinate delivery activities
·Monitor progress, productivity and programme performance
·Ensure RAMS, ITPs, QA and H&S requirements are followed
·Maintain site records and report progress, changes and issues
·Liaise with the Construction Manager, Engineering, QA and Commercial teams
To succeed in this role, you will need:
·Previous Sub Agent / Site Agent experience
·Strong civil engineering / major infrastructure background
·Experience managing site teams and subcontractors
·Good understanding of construction sequencing and programmes
·Relevant CSCS Card
·SMSTS or equivalent
·Experience in reinforced concrete, piling or utilities would be beneficial
·Major civil engineering and infrastructure exposure
If you're an experienced Sub Agent / Site Agent with a strong civil engineering background and are interested in a major HS2 opportunity, get in touch for a confidential discussion

Apply for this job

You'll complete your application on CV-Library, our jobs partner.

← More engineering jobs

Set up for this contract

ContractorUK partners
Markel Direct IR35 and contractor insurance

Most agencies and clients ask for professional indemnity and public liability before you start.

Get your quote →
Umbrella companies Inside IR35: you will be paid through an umbrella

Compare the umbrella companies listed on ContractorUK before you accept.

Compare umbrellas →

Get new Engineering contracts by email

One email when new matches appear. Unsubscribe with one click.

Prefer to be found? Upload your CV to CV-Library — free