Powered by Water, Driven by Purpose

South West Water keeps the South West flowing with safe, reliable drinking water and wastewater services across some of the UK’s most stunning landscapes.

We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals? As well as lowering our carbon footprint, we’re working with partners to plant 300,000 trees, restore peatlands and supporting farmers and landowners to improve water quality and wildlife.

Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.

Ready to make a splash? Join our team today.

Transactional Services Assistant

Role Purpose
We are seeking a detail-oriented and motivated individual to join our Transactional Services team. This role is focused on delivering a high-quality service to the business, with key responsibilities including the scanning and processing of high volumes of supplier invoices, matching invoices against purchase orders and goods receipts, responding to supplier queries via telephone and email, completing supplier statement reconciliations, raising sales ledger invoices across all group companies, and supporting effective debt collection processes.

Key Responsibilities / Deliverables

• Process invoices through various workflows, ensuring exceptions are resolved and invoices progress to payment

• Scan and validate invoices using KOFAX into the invoice storage system

• Reconcile supplier statements using available systems, both proactively and reactively

• Prepare payment runs, ensuring all payments are validated and comply with strict audit requirements

• Load wholesale invoices in line with schedules provided by finance

• Collaborate with Transactional Services Supervisors to analyse reporting outputs, identify trends, risks, and opportunities for improvement

• Reconcile and allocate incoming cash daily, posting to the sales ledger and resolving discrepancies

• Perform monthly reconciliations of cash and sales ledger invoicing, including income streams such as Developer Services and Searches

• Support cash flow optimisation through effective credit control and debt collection, following agreed escalation processes

Skills & Experience Required

• Previous experience in Purchase Ledger and/or Sales Ledger

• Ability to work flexibly and perform well under pressure

• Practical knowledge of Microsoft Office applications

• Strong numeracy skills

• Good verbal communication skills

• Professional and courteous telephone manner

• Practical knowledge of Microsoft Office applications

Qualifications
Desirable:

• Relevant finance or accounting qualification (or working towards one)

About you
The successful candidate will be:

• Motivated to learn new skills and develop professionally

• Highly detail-oriented with a strong focus on accuracy

• A clear and effective written communicator

• A collaborative team player

Ready to make a difference? Join us as our Transactional Services Assistant and help create a workplace where people thrive.

We believe in rewarding our people for their hard work and dedication. As our Transactional Services Assistant, you'll enjoy:

• Competitive Salary – Based on experience and skills

• Annual Bonus Scheme – Recognising company performance

• Pension Scheme – Helping you plan for your future

• Flexible Working Options – We value work-life balance and offer flexible hours and hybrid working where possible

• Healthcare Benefits – Access to employee assistance programs

• Employee Discounts – On various products and services

• Generous Annual Leave – Take time to recharge with our holiday entitlement

Closing Date: Friday 1st May 2026

We may close this vacancy early if we receive a high volume of applications. We encourage you to apply as soon as possible.

Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.

Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.

Our core values, which are essential to our success, are:

Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.

Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.

Be the Future - Embrace change. Drive Progress. Own the challenge.