Senior Platform Security Engineer

About the role

Paystack provides a modern payments gateway used by businesses across Africa. This role owns the platform security foundation for Paystack’s cloud environment, including architecture, account structure, and organisation-wide controls across the multi-account AWS setup.

What you'll do

• Own and evolve the AWS multi-account architecture and organisation-wide security controls
• Design scalable identity and access management systems with self-service access for engineering teams
• Establish secure-by-default cloud standards and automated controls
• Collaborate with DevOps and engineering to embed security in infrastructure decisions
• Strengthen security across secrets, networks, containers, and the infrastructure supply chain
• Translate regulatory requirements into practical infrastructure controls and audit evidence

What they're looking for

• Hands-on experience securing AWS environments at scale with multi-account architectures
• Ability to design secure access-control systems that scale with a growing company
• Proficiency in building security infrastructure, automation, and tooling
• Broad knowledge across IAM, secrets, networks, containers, infrastructure, and software supply chains
• Understanding of web security end to end and linking application risks to cloud failure modes
• Experience operating in regulated environments with automated security controls and audit evidence

For applicants in Nigeria

• Location: Lagos in addition to other listed locations; hybrid work is indicated
• The listing states eligibility for in_nigeria; verify timezone expectations and local employment terms during interview
• The listing mentions a hybrid working environment but does not specify pay currency or country-specific terms beyond Nigeria eligibility