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Senior Product Security Engineer (Applications)

Astranis · San Francisco, United States

External listingfull-time27 days ago

About The Role

Join our team as a Senior Product Security Engineer, where you will play a crucial role in securing our software and embedded components. In this hybrid role, you will focus primarily on product/application security while also contributing to embedded security reviews. You will lead threat modeling, architecture reviews, and design-level risk assessments, conduct secure code reviews, evaluate cryptographic usage, and identify and prioritize vulnerabilities. You will also participate in security assessments of embedded devices and provide security input on high-level aspects of secure boot, firmware update integrity, and device identity mechanisms.

  • Lead threat modeling, architecture reviews, and design-level risk assessments for both application and embedded system components.
  • Conduct secure code reviews for critical modules in Python and C/C++, supporting secure coding practices across all engineering teams.
  • Identify and prioritize vulnerabilities in software and firmware; partner with developers on remediation and mitigation strategies.
  • Strong knowledge of security best practices, applied cryptography, and security frameworks
  • Experience with secure architecture design and threat modeling for complex systems (including both web services and IoT/embedded devices)
  • Software development and security expertise in both high-level languages (e.g., Python) and low-level languages (e.g., C, C++)
  • Proven ability in auditing code for security flaws across different technology stacks
  • Ability to work collaboratively within a multi-disciplinary team environment
  • 5+ years of experience in software engineering with a focus on security
  • Strong communication skills, with the ability to discuss security with both software and hardware engineers
  • Experience with security best practices for web applications (OWASP Top 10) and familiarity with embedded security concepts (e.g., secure boot, JTAG, UART)
  • Strong investigative, analytical problem-solving skills and attention to detail

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