Head of Security

Head of Security

Company: Aptitude Software

Reports to: Chief Product and Technology Officer (CPTO)

Location: London, hybrid. The security team is split across the UK and Poland.

Type: Permanent, full time

Direct reports: Four at appointment, with scope to grow the team incrementally through 2027

Aptitude Software builds finance and accounting software for large, regulated organisations: banks, insurers, telecoms operators and other enterprises that run their financial record-keeping on our platforms. Our flagship product, Fynapse, is a cloud-native accounting platform running on Kubernetes across AWS and Azure. Alongside it we run an established portfolio of accounting, revenue recognition, lease accounting and insurance calculation products, deployed both as SaaS and on-premise at customer sites, and a subscription billing and payments business that handles payment card data.

Our customers are among the most security-conscious buyers in the market. They audit us, question us, hold us to their own patching and remediation expectations, and increasingly ask how we support their obligations under operational resilience regulation such as DORA. Security is a co