Sub Agent

Randstad Construction & Property; Chichester; On-site; GBP 74,000 - 83,000; Full time

Job summary

Randstad CPE is seeking a Sub Agent (Civils & Water Infrastructure) to lead on-site civil engineering activities at a water treatment works in Chichester, West Sussex. The role expects hands-on management of site engineers, foremen and subcontractors to deliver works safely, on time and to specification.

The position is a long-term AMP8 framework assignment with daily rates of £400–£450. Immediate start is preferred, with on-site responsibilities across deep excavations, RC structures and

Qualifications

• Water sector experience delivering heavy civils or infrastructure on UK facilities.
• Hands-on knowledge of deep drainage, RC structures, earthworks, and temporary works management.
• Degree, HND, or HNC in Civil Engineering or equivalent industry experience.
• Mandatory tickets: CSCS (Management), SMSTS & First Aid, EUSR National Water Hygiene.

Responsibilities

• Site Operational Management: oversee daily civil engineering delivery on site, directing site engineers, foremen, direct workforces and subcontractors.
• Production & lookaheads: develop 3–6 week lookahead schedules, manage resources and resolve bottlenecks.
• Technical interface & temporary works: coordinate queries and temporary works, interface between design and site teams.
• Quality Assurance: implement ITPs, monitor tolerances, log diaries, close out non-conformances.
• Health, Safety & Environment: approve RAMS, issue Permits, maintain zero-harm safety around live assets.

Skills

Water sector experience

Site on-site management

Civil engineering knowledge

Education

Civil Engineering degree or equivalent

Job description

Sub Agent (Civils & Water Infrastructure)

Location: Chichester, West Sussex

Contract Rate: £400 - £450 per day (LTD / IR35 Determination Pending)

Duration: Long-Term Contract (AMP8 Framework)

Start Date: Immediate / ASAP

Project Overview

We are seeking an experienced Sub Agent to join a principal contractor delivering a major capital upgrade across an active Water Treatment Works (WTW) facility in Chichester.

This long-term assignment forms part of the AMP8 infrastructure framework. Working alongside the Site Agent and Project Manager, you will take hands‑on operational management of core civil engineering packages-including deep excavations, reinforced concrete (RC) structures, pipeline diversions, and temporary works-ensuring works are executed safely, to specification, and strictly against project milestones.

Key Responsibilities

• Site Operational Management: Oversee daily civil engineering delivery on site, directing site engineers, general foremen, direct workforces, and specialist sub-contractors.


• Production & Lookaheads: Produce, manage, and drive 3-to-6 week lookahead schedules, monitoring resource allocations and resolving operational bottlenecks early.


• Technical Interface & Temporary Works: Coordinate technical queries (TQs), RFIs, and temporary works solutions, acting as the main interface between design leads and site execution teams.


• Quality Assurance (QA): Implement and monitor Inspection and Test Plans (ITPs), oversee structural tolerances, log site diaries, and close out non-conformances.


• Health, Safety & Environment: Review and approve Method Statements and Risk Assessments (RAMS), issue Permits to Dig/Work, and maintain zero-harm safety standards around live water processing assets.

Requirements & Qualifications

• Water Sector Background: Demonstrable experience as a Sub Agent or Senior Engineer delivering heavy civils or infrastructure packages on UK water facilities (WTW / WwTW).


• Core Technical Competencies: Practical knowledge of deep drainage, RC structures, earthworks, pipework systems, and temporary works management.


• Qualifications: Degree, HND, or HNC in Civil Engineering (or equivalent industry experience).


• Mandatory Tickets:

• Valid CSCS Card (Management / Black or Gold)


• SMSTS & First Aid at Work


• EUSR National Water Hygiene Card


• Desirable: Temporary Works Coordinator (TWC) or Confined Spaces certification.

Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.