Finance Assistant

Costain Group PLC

Finance Assistant supporting several finance systems at a FTSE listed construction business. Involvement in TEFA setup and ongoing maintenance for business support functions.

Posted 4/25/2026full-timeMaidenhead • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ERPOracle

About the role

Key responsibilities & impact

Set-up all new Staff and Agency joining the business for E1 Timesheet Entry as and when required
On-going maintenance of TEFA personal records to ensure the data is accurate
Work with the relevant finance teams and business partners to set up any additional Job Step/Job Type and WPS as required
Process E1 Timesheets via SQ3 process ensuring smooth operation of weekly postings
Monitor control reporting to identify missing timesheets and follow up with the relevant party to resolve
Process E1Bill to ensure Off Payroll Worker data is updated in a timely manner
Close E1 Business for completed Contracts/Bids, on an ad-hoc basis
Production of monthly Agency Reconciliation statements and journals, resolving any queries arising to ensure balances are controlled
Assist in driving standard processes for TEFA through principles of simplification, standardisation
Maintain the TEFA data processes, controls, and documentation
Support ad-hoc projects relating to system developments where necessary
Deputise for the Finance Manager – Systems & Controls when required

Requirements

What you’ll need

At least 9 GCSE's
Relevant A-Levels or BTech qualifications
Experience working with Timesheet solutions systems desirable
Familiarity with Finance function day-to-day operations
Collaboration with stakeholders and working to their deadlines
Working with Oracle Enterprise One, or similar ERP system desirable
Experience of using EnterpriseOne (E1) or other accountancy software
Previous experience in an accounting or accounts assistant position
Computer competence (MS Word, Excel, document and finance management systems)

Benefits

Comp & perks

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Hard Skills & Tools

E1 Timesheet EntrySQ3 processE1Bill processingAgency ReconciliationFinance managementAccounting softwareData maintenanceStandardisationSimplification

Soft Skills

CollaborationProblem-solvingAttention to detailCommunicationTime management

Certifications

GCSEA-LevelsBTech