Senior IT Engineer

About the role

Paystack is a fintech company providing a modern payments gateway across Africa. The Senior IT Engineer will own the integrated IT operations and infrastructure that support 300+ employees and 100+ outsourced agents across six offices, focusing on identity, endpoints, network, and access in a regulated fintech environment.

What you'll do

• Drive identity management, SAML/OIDC configurations, SCIM provisioning, and RBAC enforcement.
• Build and maintain lifecycle automation for joiners, movers, and leavers and automate access provisioning.
• Manage macOS fleet, device enrollment, EDR, DLP, and enforce certificate-backed device trust.
• Oversee multi-site networks, multi-WAN failover, VLANs, and centrally managed wireless/switching.
• Lead Zero Trust Network Access migration and enforce per-application authorization based on device posture.
• Treat IT environment as code using Terraform, Git pipelines, and Python/Bash for automation.

What they're looking for

• 5+ years in infrastructure or systems engineering with depth in at least two key areas: IAM, endpoint management, network engineering, or IaC.
• Hands-on experience with SAML 2.0, OIDC, SCIM, LDAP, and WebAuthn/FIDO2; strong automation mindset.
• Experience operating under external compliance frameworks and handling complex escalations across multiple domains.
• Strong technical writing skills for specs, procedures, and audit responses.
• Bonus: public cloud networking, certificate management, X.509/mTLS, and experience with osquery or CIS benchmarks.

For applicants in Nigeria

• The listing indicates Lagos, Nigeria as a location with hybrid work; remote work is not explicitly stated as fully remote.
• The listing does not specify time zone requirements beyond location; confirm during interview.
• Pay currency is not specified in the listing; confirm salary currency and range during interview.
• The listing does not state visa or specific work-authorization notes; confirm eligibility during interview.