Finance Assistant (12 Months Fixed Term Contract) - Bristol, UK (Hybrid) - Jan 2027

A platform you can believe in: Immersive One is the leading cyber resilience solution across the globe.

Drive operational excellence and define the foundation we build on alongside a team of the brightest minds in cybersecurity! At Immersive, we're uniquely positioned to future-proof organizations against any cyber challenge.

Immersive is the cyber proving ground for the AI enterprise. Through Immersive One, organizations can test whether people, AI-enabled workflows, cyber security teams, agents, and leaders can perform securely under realistic pressure, then turn that performance into evidence they can use to improve, benchmark, and report readiness.

Trusted by 30%+ of the Fortune 100 and ranked #1 in the Forrester Wave 2026, Immersive helps organizations prove AI can be adopted safely, teams can develop and defend at AI speed, leaders can lead through crisis, and AI agents can be validated before they are trusted in live workflows.

Immersive was founded in 2017, from a cargo container in Bristol, UK we've grown to over 300 employees globally, announced funding of more than $180 million and been voted a Best place to work on multiple occasions!

https://www.immersivelabs.com/why-immersive-labs

https://www.immersivelabs.com/company/our-story

Finance Assistant - 12 Months Fixed Term Contract - Hybrid Working

In this role you will ensure the smooth day to day running of the Finance Departments transactional activities. Taking responsibility to accurately maintain receivable and payables ledgers, maintain and reconcile bank accounts, undertake necessary business administration while also work on ad-hoc accounts and payroll administration tasks as required by the Financial Controller.

We're looking for you to be organised, with high attention to detail and take pride in the work you do. You will be AAT qualified or currently studying the AAT qualification.

This role will be hybrid, you will be required to be in the Bristol office at least once per week on a Thursday.

We intend for this role to start at the beginning of January 2027.

Your main responsibilities (we're scaling fast, so these may change as we grow):

• Purchase Ledger - maintaining the processing supplier invoices accurately and timely while ensuring all costs are recognised correctly.




• Transactional book-keeping of records within our accounting system.




• Processing and reconciling multi-currency banking transactions.




• Administration and reconciliation of all company credit cards and related business expenditure.




• Expenses - processing expense claims, checking claims and ensuring all receipts are provided, ensuring expenses claims are received and processed timely.




• Finance processes and procedures - ensuring all processes and procedures are performed timely and accurately and to contribute to the development of processes.




• Supporting the team with reconciliations at month end (Purchase and Sales ledger reconciliations, Bank reconciliations)

• Ideally you will be part or fully AAT qualified




• Previous experience in a Finance Assistant role is a must - with a willingness to learn and develop. This opportunity would most suit someone that is 2-3 roles into their career or more




• Experience with Excel, Ledger management, receivable and payables administration and an accounting system would be an advantage.




• Great interpersonal skills to liaise with people within the business, outside of finance, as well as external stakeholders.




• Thrive in a growing environment with demanding and challenging tasks that may change on a regular basis.




• Have a can-do attitude, highly-motivated to learn and be willing to be flexible in what you do.




• Be a team player, proactively contribute and help to solve problems.

Immersive's growth has been fuelled by our values that underpin everything we do, here's how they relate to this role:

• Driven - We push the boundaries of innovation, acting swiftly to achieve ambitious outcomes. Our drive embodies a culture of ambition, where challenges are stepping stones to excellence.




• Inclusive - Our strength lies in diversity, fostering a culture where every individual contributes to our collective strength. We champion open dialogue and empathy, ensuring a collaborative, inclusive workplace.




• Customer Centric - We seek to develop deep relationships with our customers to help them achieve their business outcomes. We exceed our customers and partners' expectations by crafting products, services and experiences that surprise, delight and ensure they feel valued and supported every day.




• One Team - We are a talented global team working together to achieve our vision. Central to our ethos, resilience means adapting and thriving in adversity. It guides our innovation,

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