Financial Controller

Arqit is a global pioneer in post-quantum cryptography: we provide a proven defence against both current cyber dangers and impending quantum threats. Our global team describe Arqit as providing a positive, inclusive and high-performing working environment, where employees feel that managers care about the success and well-being of their teams, individuals feel valued as employees and teams achieve more than they thought possible, together.

We are scaling our Finance Operations Centre in Belfast, building a world-class team to support the Group’s continued growth. The finance team is pivotal to the business, ensuring financial information is timely, accurate, complete and compliant with relevant accounting and taxation principles. We have a team culture that gives you the opportunity to innovate, take ownership, and scale new heights in your career as the company grows.

We are looking for a highly motivated Financial Controller / Finance Manager  to lead our Belfast Finance Operations Centre. This is a senior hire with broad ownership of the Group’s financial close, reporting and compliance activities. You will be a key member of the finance leadership team, working closely with the CFO and Group Financial Controller. The role is based in our Belfast city centre office, with flexibility for hybrid working. Periodic travel to our London headquarters and other Group locations may be required.

What you’ll be doing

• Lead the monthly close process across three legal entities, ensuring accuracy and compliance with IFRS
• Prepare and review Board reporting packs and monthly management accounts
• Own SOX compliance oversight for the Belfast team, including control documentation and testing
• Coordinate the annual 20-F and quarterly 6-K SEC reporting cycle
• Prepare statutory accounts for all legal entities, ensuring tax compliance requirements are met and all tax filings are submitted on time
• Serve as primary liaison with external auditors and advisors
• Drive continuous improvement across financial processes, embracing automation and system efficiencies
• Partner with the Group Financial Controller on technical accounting matters and policy updates
• Support international expansion activities and ad hoc CFO-level projects

What we’re looking for

• Qualified accountant (ACA, ACCA, CIMA or equivalent) with relevant post-qualified experience
• Experience of IFRS reporting in a multi-entity, multi-currency environment
• Prior involvement in SEC reporting (20-F / 6-K) and/or SOX compliance
• Strong communication skills with the ability to present to senior stakeholders
• Accustomed to working in a fast-paced, high-growth environment

Please note, the ability to work in the UK without visa restrictions is ESSENTIAL.