Semperis

Semperis is a cyber security software company focused on protecting and recovering identity systems, particularly Microsoft Active Directory and related cloud identity services. In many organisations, identity is the control plane for access to applications, data, and infrastructure. When it is misconfigured, compromised, or taken offline, the impact can be widespread and hard to contain. Semperis builds tools that help security and IT teams spot risky changes and exposures, respond to attacks that target identity, and restore critical directory services quickly and safely after an incident.

The company’s customers are typically medium to large organisations that rely heavily on Microsoft identity infrastructure, including enterprises and public sector bodies with complex environments and strict uptime requirements. These teams often have to balance day to day operational needs with security hardening, audits, and incident readiness. Semperis’ products sit close to the systems administrators and security professionals depend on, which means the work is usually tied to real operational pressure, high stakes recovery scenarios, and the practical realities of running identity at scale.

Within the SaaS ecosystem, Semperis operates in the identity security and cyber resilience space, intersecting with areas like threat detection, identity governance, and disaster recovery. Its focus on Active Directory and hybrid identity puts it in a specialised part of the market where deep platform knowledge matters and where customers expect products to integrate cleanly with Microsoft tooling and enterprise security workflows. If you are interested in security that is tightly coupled to core infrastructure, rather than purely application level security, this is the kind of company where that focus is central.

People who tend to thrive at Semperis are likely to include software engineers building security products, cloud and platform engineers working on reliability and scale, and security specialists with hands on knowledge of Windows, Active Directory, Azure AD, and incident response. There is also space for product, customer success, and solutions roles that can translate between technical customer problems and product capabilities, especially in environments where trust, clarity, and precision matter. Given the nature of the domain, an appreciation for secure engineering practices, careful testing, and clear documentation is likely to be valued.

For job seekers, Semperis may appeal if you want to work on problems that are directly connected to how organisations stay secure and recover from attacks, with a clear mission around resilience and identity protection. The work is likely to be customer informed and scenario driven, because identity outages and compromises have immediate consequences. If you enjoy tackling complex technical challenges, collaborating across engineering and security, and building software that needs to be dependable under pressure, Semperis is the kind of environment where that mindset should fit well.