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

Fiserv

Sunnyvale, California, United States of America Posted October 27, 2026

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On-site Full-time Senior
Job Description

Become part of our team as a Sr. Security & Test Engineer, focusing on device OS security for Clover Point of Sale devices. Lead security validation strategies, manage PKI/HSM trust architectures, and ensure compliance with regulatory standards. Ideal for experienced professionals in software security, PKI, and embedded security.

Required Skills
POS systems compliance
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