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Security Software Engineer (Starshield)

SpaceX

$130,000 - $175,000
Sep 15, 2025
Hawthorne, CA, US
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SpaceX is developing Starshield, a specialized version of its Starlink technology for national security efforts, focusing on earth observation, communications, and hosted payloads. The Security Software Engineer will be responsible for ensuring the security of this new product line, which involves building highly reliable in-space mesh networks, designing secure systems, and developing next-generation communication and sensing software.

Requirements

  • Experience with one or more software development languages (i.e. Python, C++, Golang)
  • Experience designing and implementing security solutions for operating systems, distributed systems, or other enterprise/large-scale infrastructure
  • Experience contributing security improvements to complex systems
  • Experience working with special purpose security hardware such as trusted platform modules (TPMs) and hardware security modules (HSMs)
  • Fundamental understanding of network protocols; including the TCP/IP stack as well as UDP based protocols
  • Experienced in navigating large, complex, interactive systems

Responsibilities

  • Design and build security infrastructure for Starshield, including cryptographic services and other security-critical services
  • Develop security features for Starshield systems, including our router, dish, gateways, and satellites
  • Design security into factory processes and provide network services in support of this
  • Maintain existing production systems and improve security posture via both direct implementation and recommendations to other teams
  • Build prototypes and help identify, design, and test security improvements

Other

  • Bachelor's degree in computer science or another STEM discipline; OR 2+ years of professional experience in security software development in lieu of a degree
  • Flexibility, communicating clearly, and establishing and maintaining productive working relationships with other engineering teams
  • Excellent communication skills, both written and verbal
  • Ability to work both independently and in a team
  • Demonstrated ability to deal with ambiguity and to learn new technologies quickly
  • Advanced degree in a technical or engineering discipline
  • Active Top Secret, Top Secret SCI, or DOE Level Q clearance
  • Must be willing to work extended hours and weekends as needed
  • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.