Senior Product Security Engineer (Applications)

Astranis
San Francisco
Workplace: HybridFull timeUSD 180,000 - 285,000 annuallyFunction: CybersecurityExperience: 5+ yearsSkills: ["Investigative","Analytical problem-solving","Attention to detail","Communication","Collaboration"]

Secure both application and embedded components that power advanced satellite systems. Lead threat modeling, architecture reviews, and design-level risk assessments, perform secure code reviews in Python and C/C++, and evaluate cryptography, authentication/authorization, and protocol security across the stack. Identify and prioritize software/firmware vulnerabilities and partner with developers on remediation. Contribute to secure boot, firmware update integrity, and device identity mechanisms, working closely across software, firmware, hardware, and systems teams.

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FursaFursa
Astranis
Astranis
1 day ago

Senior Product Security Engineer (Applications)

✓ Verified Job

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Source: Company careers pageValidated by: Fursa AI
Last checked: 10 hours agoStatus: Live

Job Summary

Secure both application and embedded components that power advanced satellite systems. Lead threat modeling, architecture reviews, and design-level risk assessments, perform secure code reviews in Python and C/C++, and evaluate cryptography, authentication/authorization, and protocol security across the stack. Identify and prioritize software/firmware vulnerabilities and partner with developers on remediation. Contribute to secure boot, firmware update integrity, and device identity mechanisms, working closely across software, firmware, hardware, and systems teams.
Location: San Francisco
Workplace: Hybrid
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Lead threat modeling, architecture reviews, and design-level risk assessments for application and embedded components.
  • •Conduct secure code reviews for critical modules in Python and C/C++, supporting secure coding practices across engineering teams.
  • •Evaluate cryptographic usage, authentication/authorization flows, and protocol security across the stack.
  • •Identify and prioritize vulnerabilities in software and firmware and partner with developers on remediation and mitigation strategies.
  • •Contribute security input on secure boot, firmware update integrity, and device identity mechanisms, partnering across software, firmware, hardware, and systems teams.

Pay and Benefits

Salary: USD 180,000 - 285,000 annually
Equity and Bonus:Equity
Perks:EquityHealth InsuranceDisability InsuranceLife Insurance401kPaid LeaveMeal Allowance

Key Requirements

  • •5+ years of experience in software engineering with a focus on security.
  • •Experience with secure architecture design and threat modeling for complex systems (web services and IoT/embedded devices).
  • •Software development and security expertise in Python and C/C++.
  • •Experience applying security best practices for web applications (OWASP Top 10) and embedded security concepts (secure boot, JTAG, UART).
  • •Strong communication skills to discuss security with both software and hardware engineers, collaborating in a multi-disciplinary team.
Experience:5+ years
Skills:InvestigativeAnalytical problem-solvingAttention to detailCommunicationCollaboration
Tech Stack:PythonCC++OWASP Top 10CryptographyAuthenticationAuthorizationSecure bootFirmware update integrityJTAGUARTWeb applicationsIoTEmbedded devices

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Astranis
Designs and manufactures small geostationary communications satellites to provide affordable broadband connectivity to underserved regions using proprietary microGEO satellite technology and integrated ground systems.
Industry: Space Technology
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2015
WebsiteLinkedIn