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Staff Product Security Engineer

Vast

$150,000 - $242,800
Dec 18, 2025
Long Beach, CA, US
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Vast is looking to contribute to a future where billions of people are living and thriving in space by building artificial gravity space stations, and is seeking a Senior Product Security Engineer to support the development of systems for the design and build of artificial-gravity human-rated space stations.

Requirements

  • Strong understanding of security architecture, system requirements development, and implementation concepts for complex systems.
  • Hands-on experience with threat modeling, risk assessment, and security testing methodologies.
  • Familiarity with cryptographic methods, access controls, and secure communications protocols.
  • Understanding of compliance requirements and certifications like NIST 800-53.
  • Understanding of the SPARTA framework.
  • Familiarity operating in AWS.
  • Prior experience developing, implementing, and validating a security features for a space system.

Responsibilities

  • Developing top-level system requirements, and flowing down requirements and implementation concepts to subsystem.
  • Define security development and test efforts implementation of security controls of components for the ground, link, and vehicle segments.
  • Support developing plans and estimates, task execution, project tracking, reporting, and risk identification and mitigation plans.
  • Interact with other functions to coordinate requirements, solutions, trades, costs, implementation, system impacts, and effectiveness.
  • Support compliance efforts as it relates to NIST 800-53.

Other

  • Ability to travel up to 10% of the time.
  • Willingness to work overtime, or weekends to support critical mission milestones.
  • 5+ years of hands-on experience.
  • Strong ability to interact with cross-functional teams to align security requirements, trade-offs, and system impacts.
  • U.S. export control compliance status, must be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing.