Purchase Ledger & Office Administrator

Integrated Water Services (Mechanical and Electrical) IWS M&E; Wallingford; On-site; GBP 24,000 - 29,000; Full time

Job summary

A leading water services provider in Wallingford is looking for a Purchase Ledger & Office Administrator. The role involves processing supplier invoices, managing office administration, and ensuring efficient financial operations. With competitive salary and comprehensive benefits, this position offers a fantastic opportunity for professional development and work-life balance.

Benefits

Enhanced Maternity, Adoption, and Paternity Leave

Life Assurance and Pension Scheme

Employee Assistance Programme

Cycle to Work Scheme

Ongoing career development opportunities

Qualifications

• Proven experience in a Purchase Ledger or similar finance administration role.
• Competent user of Microsoft Excel and Word.
• Understanding of basic accounting principles and reconciliation practices.

Responsibilities

• Process supplier invoices accurately and timely.
• Raise purchase orders for required materials and services.
• Prepare and process supplier payments.

Skills

Purchase Ledger experience

Microsoft Excel

Written and verbal communication skills

Organisational skills

Collaborative approach

Education

GCSEs (or equivalent) in English and Maths

Finance or accounting qualification desirable (AAT Level 2/3)

Tools

Sage

Xero

Job description

Job Advert

Job Title: Purchase Ledger & Office Administrator

Location: Wallingford

Salary: Up to £29,000

This is a fantastic opportunity to contribute to one of the water industry's most critical challenges while developing your expertise across data, network operations, and strategic resolution planning. G Stow is part of the South Staffordshire Group – a 3,000-strong organisation behind South Staffs Water, Cambridge Water, and several leading utility support businesses – offering long-term development and career progression.

The role requires you to provide an efficient, accurate, and timely Purchase Ledger service while supporting general office administration to ensure smooth and effective day-to-day operations across the business.

The Role

• Process Supplier Invoices – Accurately code, match, and process all supplier invoices in line with company procedures.
• Purchase Orders – Raise purchase orders for materials, goods, and services as required by the business.
• Payments – Prepare and process supplier payments, ensuring accuracy and compliance with agreed terms.
• Reconciliations – Regularly reconcile supplier statements and resolve discrepancies in a timely manner.
• Month‑End Support – Assist with accruals, reconciliations, and reporting to support month‑end and year‑end processes.
• Supplier Management – Maintain accurate supplier records and foster positive working relationships with vendors.
• Office Administration – Manage incoming calls, emails, post, and visitor enquiries to support daily office operations.
• Procurement & Supplies – Order and manage office supplies, stationery, and kitchen provisions, ensuring stock levels are maintained.
• Travel & Accommodation – Coordinate travel arrangements and accommodation bookings for staff as required.
• Compliance & Continuous Improvement – Ensure all financial processes adhere to company policies and contribute to efficiency improvements across finance and administration functions.

What you’ll need

• Proven experience in a Purchase Ledger, Accounts Payable, or similar finance administration role.
• Competent user of Microsoft Excel and Word; familiarity with accounting systems (e.g., Sage, Xero, or similar).
• Understanding of basic accounting principles, invoice processing, and reconciliation practices.
• High level of accuracy in data entry and record keeping.
• Strong written and verbal communication skills with the ability to liaise professionally with suppliers and colleagues.
• Excellent organisational skills, with the ability to prioritise multiple tasks and meet deadlines.
• Collaborative approach with a willingness to support colleagues across departments.
• Discreet and trustworthy in handling financial and personal information.
• Professional, proactive, and approachable with a positive, solution‑focused mindset.
• GCSEs (or equivalent) in English and Maths essential; finance or accounting qualification desirable (e.g., AAT Level 2/3).

What you’ll get in return

• Family‑Friendly Leave – Enhanced Maternity, Adoption, Paternity & Shared Parental Leave, Fertility Support, and up to 5 paid Carer’s Days.
• Financial & Life Assurance – Life Assurance cover (role dependant) and a Company Pension Scheme with salary sacrifice options.
• Health & Wellbeing – Employee Assistance Programme (8 counselling sessions) and 24/7 Virtual GP access for you and your dependents.
• Lifestyle & Perks – Cycle to Work Scheme and My Premier Benefits discounts, cashback, and vouchers.
• Professional Development – Hands‑on training and ongoing career development opportunities.
• Inclusion & Belonging – Active People Networks – Disability & Neurodiversity, Unity+, Women’s Network, and more.
• Performance & Recognition – Annual salary review, Reward & Recognition Scheme, and Long Service Awards.
• Flexibility & Opportunities – Overtime available and flexible shifts / hybrid working (role dependant).