Finance Assistant

Costain Group PLC

. Support the Finance Manager with financial administration and controls .

Posted 10/27/2026part-timeRemote • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong financial administration capabilities, including maintaining accurate financial records, processing invoices, and managing purchase orders. Proficient in using accounting software and financial management systems while exhibiting effective communication and problem-solving skills.

Highest-signal resume keywords

Financial AdministrationInvoice ProcessingAccounting Software ExperienceFinancial Record MaintenanceProblem-Solving Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Financial Record MaintenanceInvoice ProcessingMonth-End AccrualsCost Journal InputReconciliation of Cash ReceiptsPurchase Order Management

Soft Skills

Clear Communication SkillsTeam PlayerPositive AttitudeAbility to Work Under PressureIntegrity

Tools & Technologies

EnterpriseOne (E1)MS WordMS ExcelFinance Management Systems

Certifications & Qualifications

GCSEsA-LevelsBTech Qualifications

Industry Keywords

Financial AdministrationAccountingSales InvoicesCost RecordingSupplier Invoices

About the role

Key responsibilities & impact

Support the Finance Manager with financial administration and controls
Maintain accurate financial records in line with department and company procedures
Raise sales invoices from certified Applications for Payment and maintain invoicing records
Reconcile cash receipts against sales invoices and investigate discrepancies
Maintain the OPW register and process supplier invoices promptly
Process month-end accruals and goods receipts for OPW using approved timesheet information
Input cost journals according to procedures with appropriate approval and communication
Assist the Finance Manager with month-end processes and accurate cost recording
Manage purchase orders, monitoring and uplifting values as necessary
Carry out other reasonable duties commensurate with the role

Requirements

What you’ll need

At least 9 GCSE's
Relevant A-Levels or BTech qualifications
Ability to work well under pressure, solving problems in a calm and rational manner and always acting with integrity
Clear written and oral communication skills
Good team player with a positive ‘can do’ attitude
Keen to learn and be challenged
Experience of using EnterpriseOne (E1) or other accountancy software (desirable)
Previous experience in an accounting or accounts assistant position (desirable)
Computer competence (MS Word, Excel, document and finance management systems) (desirable)

Benefits

Comp & perks

Remote work with the option to work from a main office (such as St Marys Axe, London)
Negotiable working days and hours
Part-time schedule over 4 days
Disability Confident employer interview consideration for applicants who disclose a disability and meet the minimum criteria