Senior Platform Security Engineer

About the Senior Platform Security Engineer role

Every engineering team at Paystack builds on a shared cloud platform. If that platform is not secure, nothing built on top of it is secure. This role owns that foundation – not as an oversight function or as a policy team but as the engineering layer that makes the platform trustworthy by design.

The decisions made here are not team-level decisions. You will own Paystack’s AWS organisation end-to-end: its architecture, its account structure, and the organisation-wide controls that govern how every team operates within it. The guardrails you set, the permission model you design, and the security primitives you build are what all engineering teams depend on to do their own work effectively. You are upstream of all of them, and what you build has direct consequences for Paystack’s customers, merchants, and regulatory standing across multiple markets.

You will inherit a functioning platform and take full ownership of it – improving what exists, completing what was started, and defining what comes next. This is not a role where someone hands you a roadmap. You will identify what needs to be solved before it is articulated, set the technical direction for how platform security works at Paystack, and make architectural decisions with company-wide reach. You will also build the Platform Security function – shaping what it looks like, how it operates, and who it eventually comprises.