Senior Security Software Engineer – Cryptography & Networks

SpaceX; Washington (District of Columbia); On-site; USD 170,000 - 265,000; Full time

Benefits offered by this job

Stock options

401(k) retirement plan

Medical/vision/dental coverage

Paid time off

Job summary

SpaceX in Washington, DC is seeking a Sr. Security Software Engineer to design and build security infrastructure for Starshield, including cryptographic services and security-critical components across satellites and gateways.

This role emphasizes shipping reliable software, securing OS and network layers, and collaborating with multiple engineering teams; a TS clearance is preferred and extended hours may be required.

Qualifications

• Bachelor's degree or equivalent with 5+ years in security software development, or 7+ years without a degree.
• Experience with one or more programming languages (Python, C++, Golang).
• Security solutions design for OS, distributed systems, or large-scale infra.

Responsibilities

• Design and build security infrastructure for Starshield, including cryptographic services and other security-critical services.
• Develop security features for Starshield systems, including 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 direct implementation and cross-team guidance.
• Build prototypes and help identify, design, and test security improvements.

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 in security software development in lieu of degree

Tools

TPMs

HSMs

Job description

SpaceX in Washington, DC is seeking a Sr. Security Software Engineer to design and build security infrastructure for Starshield, including cryptographic services and security-critical components across satellites and gateways.

This role emphasizes shipping reliable software, securing OS and network layers, and collaborating with multiple engineering teams; a TS clearance is preferred and extended hours may be required.