Senior Security Software Engineer - Starlink Infra & Crypto

SpaceX; Hawthorne (CA); On-site; USD 170,000 - 265,000; Full time

Benefits offered by this job

Stock options

Medical, vision, dental

401(k) plan

Paid vacation

Paid holidays

Parental leave

Job summary

SpaceX is seeking a Sr. Software Security Engineer for Starlink to design and build security infrastructure across satellites and ground systems.

You will work on cryptographic services, secure boot, and OS security, collaborating with multiple engineering teams to outsmart adversaries and protect a global broadband network. This role requires strong Python/C++/Go skills and a track record of shipping secure software, with extended-hours availability as needed.

Qualifications

• Bachelor’s degree or equivalent in CS or STEM with 5+ years of security software development experience.
• Proficiency in Python, C++, or Go.
• Experience designing security for OS, distributed systems or large-scale infra.

Responsibilities

• Design and build security infrastructure for Starlink, including cryptographic services and other security-critical services
• Develop security features for Starlink 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 implementation and cross-team recommendations
• Build prototypes and help identify, design, and test security improvements
• Further our mission of providing secure and reliable Internet to underserved communities

Skills

Software engineering

Applied cryptography

Network security

Operating system security

Secure/Authenticated boot

Incident response

Vulnerability research

Education

Bachelor's degree in computer science or STEM

7+ years of security software development experience in lieu of a degree

Tools

Trusted Platform Modules (TPMs)

Hardware Security Modules (HSMs)

Job description

SpaceX is seeking a Sr. Software Security Engineer for Starlink to design and build security infrastructure across satellites and ground systems.

You will work on cryptographic services, secure boot, and OS security, collaborating with multiple engineering teams to outsmart adversaries and protect a global broadband network. This role requires strong Python/C++/Go skills and a track record of shipping secure software, with extended-hours availability as needed.