Site Agent - Wastewater / Civils (LTD - OUTSIDE IR35)

Randstad Construction and Property; Guildford; On-site; GBP 65,000 - 96,000; Full time

Job summary

Randstad CPE is seeking an experienced Site Agent to lead major civil engineering packages on a long-term water framework in Reigate. You will report to the Project Manager, coordinating site teams, programming, and commercial reporting on multi-disciplinary works.

The role requires Tier 1 civil experience, SMSTS/TWC qualifications, and a valid UK driving licence. Contract role with 12–18 months duration, paid LTD subject to IR35 assessment.

Qualifications

• Direct experience in Tier 1 civil engineering as Site Agent or Sub Agent.
• Relevant safety certifications and a valid UK driving licence.
• Degree in Civil Engineering or Construction Management.

Responsibilities

• Package delivery and autonomy: manage large civil packages from inception to handover.
• Coordinate with parallel disciplines and trades to avoid interface delays.
• Plan on-site works and produce 4-week lookahead programmes; feed data into Primavera P6.
• Maintain commercial awareness and track variations; raise EWNs under contract.
• Review drawings, raise RFIs/TQs, and develop Safe Systems of Work (RAMS/ITPs/permits).
• Act as Temporary Works Coordinator (TWC) on-site and ensure HSEQ compliance.

Skills

Site management

Contract management

Multi-disciplinary coordination

IT & planning tools

Education

Civil Engineering degree

Tools

Primavera P6

Job description

Location: Reigate, Surrey (UK)

IR35 Status: Outside IR35 (Pending satisfactory QDOS Assessment)

Duration: 12 Months+ (Long-term framework assignment)

Sector: Tier 1 Civil Engineering (Water / Wastewater Infrastructure)

About the Role

We are seeking an experienced, contract Site Agent to lead the successful execution of major civil engineering packages on a long-term Water framework in Reigate. Reporting directly to the Project Manager, you will operate as the primary technical and operational lead for your section of works, managing site teams, programming, and commercial reporting. You will bring proven experience managing multi-disciplinary civil works with complex interfaces

This is a contract role with minimum 12-18month duration - Paid LTD upon successful IR35 assessment

Key Responsibilities

• Package Delivery & Autonomy: Manage and deliver large-scale civil infrastructure packages from inception to handover, supporting and reporting directly to the Project Manager.
• Multidisciplinary Interfacing: Coordinate civil works with parallel engineering disciplines and specialist trades. Manage physical and logistical crossovers, ensuring structures are delivered in sequence for seamless system integration without interface delays.
• Planning & Programming: Plan on-site works, produce and update detailed 4-week lookahead programs, and actively feed progress data into the master Primavera P6 delivery program.
• Commercial Administration: Maintain strong commercial awareness; proactively identify project delays, track variations, and draft/raise Early Warning Notices (EWNs) under the contract.
• Technical Compliance: Review project drawings and specifications, raise Requests for Information (RFIs) and Technical Queries (TQs), and compose/review robust Safe Systems of Work (SSOW), including RAMS, ITPs, and permits.
• Temporary Works Coordinator (TWC): Act as the technical authority on-site for temporary works, utilizing your deep knowledge of requirements to coordinate closely with site teams and fulfill TWC duties.
• HSEQ Enforcement: Enforce absolute compliance with all HSEQ requirements specific to major civils delivery, including live services, lifting operations (LOLER/PUWER), excavations, and environmental constraints.
• Culture & Stakeholder Management: Maintain a professional, collaborative work culture with all subcontractors, clients, asset owners, and delivery stakeholders.

Experience & Technical Skillset

• Tier 1 experience: Direct, previous experience working in a contract management capacity (Sub Agent / Site Agent) within a Tier 1 civil engineering environment is essential.
• Clear Career Progression: A demonstrable history of technical progression moving from Engineer to Sub Agent, and into a Site Agent role.
• AMP Framework & Sector Experience: Prior experience delivering clean water, wastewater, or heavy civil infrastructure assets under the AMP (Asset Management Period) Framework is highly desirable. Candidates from Highways / Rail background will also be considered
• IT & Systems Literacy: Fully proficient with modern digital site management tools, electronic compliance platforms, and programming software.

Qualifications & Certifications

• SMSTS (Site Management Safety Training Scheme).
• Temporary Works Coordinator (TWC) qualification (essential).
• CSCS Card applicable to a management role (Black Manager Card preferred).
• Degree / HND / HNC in Civil Engineering or Construction Management.
• Valid EUSR Water Hygiene Card (highly desirable).
• Full, valid UK Driving License (essential).

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