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Sr. Security Software Engineer (Starlink) - job 1 of 5

SpaceX is building Starlink, the world’s largest satellite broadband system, and is seeking a Senior Security Software Engineer to influence security across routers, user terminals, gateways, and satellites. The role focuses on designing and implementing cryptographic services and other security-critical infrastructure, maintaining production systems, prototyping security improvements, and partnering with cross-functional teams to improve Starlink's security posture.

Skills

  • Proven software engineering experience in security-focused projects
  • Applied cryptography knowledge and secure protocol design
  • Operating system and firmware security expertise
  • Network security fundamentals including TCP/IP and UDP-based protocols
  • Experience with security hardware such as TPMs and HSMs
  • Ability to work across abstraction levels from high-level design to low-level implementation

Responsibilities

  • Design and build security infrastructure and cryptographic services for Starlink
  • Develop security features for routers, dishes, gateways, and satellites
  • Integrate security into factory processes and network services
  • Maintain and improve production security systems through implementation and recommendations
  • Prototype, test, and validate security improvements and mitigations
  • Support incident response, adversary detection, and vulnerability research as needed

Education

  • Bachelor's degree in computer science or STEM and 5+ years security software development experience, OR 7+ years experience without a degree
  • Advanced technical degree preferred (MS/PhD) but not required

Benefits

  • Base salary plus potential long-term incentives (stock, options, long-term cash awards)
  • Eligibility for discretionary bonuses and Employee Stock Purchase Plan
  • Comprehensive medical, vision, and dental coverage
  • 401(k) retirement plan access
  • Short- and long-term disability insurance and life insurance
  • Paid parental leave, paid vacation (approx. 3 weeks), 10+ paid holidays, and sick leave
  • Various employee discounts and perks
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

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$168000K
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SpaceX, founded by Elon Musk, is an aerospace manufacturer and space transport services company aiming to revolutionize space technology, with the ultimate goal of enabling human life on Mars.

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Mission Driven
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FUNDING
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SALARY RANGE
$168,000/yr - $230,000/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
August 30, 2025
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