Sr. Security & Test Engineer - Device OS (PKI & Firmware Security)

The Sr. Security & Test Engineer - Device OS role at Fiserv involves designing and executing security validation strategies for Clover Point of Sale devices, managing embedded PKI and HSM trust architectures, and ensuring compliance with regulatory standards. This position requires deep expertise in public key infrastructure, secure boot processes, and vulnerability management across Linux and Android environments. The engineer will collaborate with cross-functional teams to maintain end-to-end supply chain security and remediate security findings.