Finance Key Customer Administrator

We're looking for a proactive, friendly Finance Key Customer Administrator to join our Exeter office (EX5 1AU) and play a key role in keeping our finance operations running seamlessly.
This is an excellent opportunity to become part of a workplace where teamwork, respect, and mutual support are central to everything we do. You'll join a collaborative environment where your ideas are valued, and your work truly makes a difference every day.
As a Finance Key Customer Administrator you will help to manage the administrative financial process for one of Trinity's key customers. This involves managing the upload of a high volume of sales invoices/credit notes to the customer's online portal.
This is a full time, permanent role working 8.30am to 5pm Monday to Friday. You will be office based at our Exeter office (EX5 1AU) which has on-site parking and is best accessed via car.
What you'll be doing:
Uploading of Sales invoices/credit notes to customer online portal
Be a point of contact for communications relating to the key customer.
Resolving invoice queries
Generating a weekly Microsoft Excel debt tracking report to monitor movements and update areas of focus for future workload.
Responding to customer requests for information and more specifically responses on committed costs
Issuing detailed monthly statements of accounts to the customer contract desk teams to review outstanding debt via email or online meeting forum

Ability to use Word and Excel databases effectively and accurately.
Ability to deal with high volumes of transactions accurately and ensure completeness of data.
A high level of customer service skill used when dealing with external contacts.
Good telephone manner and verbal communication
Able to plan effectively and organise own workload.
Able to deal with all staff tactfully and assertively.
Team working.

At Trinity Fire & Security, we're more than just experts in safety and security - we're a supportive team with a shared purpose: protecting what matters most to our customers.

A supportive, friendly team that values collaboration and clear communication.
Flexible working hours to help you balance work and life.
23 days' holiday, plus bank holidays (increasing with length of service).
Pension scheme and life assurance to support your future.
Access to our Employee Assistance Programme for your wellbeing.
Equal Opportunities in Practice
We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.
Security Vetting
It is an industry requirement that successful candidates undergo security vetting. Offers of employment are subject to satisfactory vetting and may be withdrawn if the required standards are not met.
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Trinity Fire & Security has been helping businesses to ensure the safety of their people, properties, and business operations for over 25 years.
Using our extensive knowledge of fire, life safety and security systems, we will design a tailored solution to meet each client's individual needs. We pride ourselves in offering a full customer aftercare service ranging from traditional maintenance through to ensuring full legislative compliance