Project Administrator

Costing Assistant

Location: Feltham, Greater London

Rate: £250 – £300 per day (Inside IR35)

Contract: 12-Month Temporary Contract

Hours: 45 Hours per Week

We are currently seeking an experienced Costing Assistant to support a busy project delivery team based in Feltham.

This role is responsible for ensuring that all site-related costs are accurately captured, recorded, and allocated within company systems. Working closely with Site Managers, Project Managers, Quantity Surveyors, and Commercial Teams, you will play a key role in maintaining accurate project cost information and supporting the smooth operation of project controls processes.

Key Responsibilities

• Maintain accurate and up-to-date records of all site costs.
• Chase, receive, and process allocation sheets from Site Managers and Project Managers.
• Allocate labour, vehicles, plant, materials, and subcontractor costs against the correct project numbers.
• Receive and manage delivery notes and site tickets, ensuring costs are correctly allocated against purchase orders and project codes.
• Process cost information within CPA, Oracle, and other project management systems.
• Prepare weekly timecards and payroll information for weekly-paid personnel.
• Ensure allocation sheets, delivery notes, and other project documentation are uploaded and maintained within SharePoint.
• Liaise with Quantity Surveyors and site teams to resolve cost queries and discrepancies.
• Support commercial teams by ensuring project cost records remain accurate and complete.
• Assist in maintaining auditable records and supporting project reporting requirements.

Essential Requirements

• Previous experience as a Costing Assistant, Commercial Administrator, Cost Administrator, Project Cost Coordinator, or in a similar role.
• Experience working within construction, engineering, infrastructure, utilities, rail, aviation, highways, water, energy, or telecommunications projects.
• Strong attention to detail and accuracy when handling cost information.
• Good understanding of labour, plant, material, and subcontractor cost allocation processes.
• Proficiency in Microsoft Excel and Microsoft Office.
• Experience using Oracle, CPA, SAP, COINS, or similar costing/project management systems.
• Experience using SharePoint or similar document management systems.
• Excellent communication and organisational skills.
• Ability to manage multiple priorities and work to deadlines.

Desirable

• Experience supporting Quantity Surveyors or commercial teams.
• Previous experience on major infrastructure or construction projects.
• Knowledge of project cost management processes and project controls.
• Experience working within a fast-paced site environment.

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