Sr. Security & Test Engineer - Device OS (PKI & Firmware Security)
Core
Design, build, and execute security validation strategies for the Device OS powering Clover Point of Sale devices, ensuring compliance with cryptographic standards.
Role type
Senior IC security engineer (embedded PKI & firmware)
Builds
Secure boot infrastructure, mass manufacturing software, and platform software for Clover POS hardware
Domain
Fintech / Payments / Embedded Systems / Cryptography
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
PKI engineering, Certificate Authority lifecycle management, Hardware Security Modules (HSM), embedded cryptography, vulnerability management, secure CI/CD pipeline auditing, scripting (Python/PowerShell/Bash), Linux/Android security
Preferred skills
PCI-PTS/PCI-PIN compliance validation, penetration testing, Android test frameworks (UIAutomator/adb), supply chain security management
Technologies
Thales HSM, Jenkins, GitHub Actions, Terraform, Jira, BurpSuite, Metasploit, Wiz, AWS SSM
Responsibilities
Design and execute security testing strategies for Device OS; Manage and validate PKI infrastructure and HSMs; Interpret PCI-PTS/PCI-PIN specifications for compliance testing; Audit CI/CD pipelines and golden images; Troubleshoot embedded cryptography and secure bootloader issues
Seniority
Senior, hands-on IC
