or apply directly on SpaceX's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 14 days SpaceX's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 52% of SpaceX's roles list one
- Ghost-job risk at SpaceX
- high 1459 stale, 43 reposted of 2,362 open
- Hiring momentum
- 3062 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from SpaceX's own greenhouse board since 2026-08-03. Full hiring picture for SpaceX.
About this role
As a Principal Security Software Engineer at SpaceX, you will design and build security infrastructure for the Starlink system, develop security features for various components, and maintain and improve the security posture of existing systems. You will collaborate with other engineering teams to ensure the security of software across product lines, utilizing your expertise in software engineering and security design.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of SpaceX as an employer.
What you need
- Bachelor's degree in computer science or another STEM discipline and 8+ years of professional experience in security software development; OR 10+ years of professional experience in security software development in lieu of a degree
- 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
Nice to have
- 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
- Excellent communication skills, both written and verbal
Worth weighing
- Must be willing to work extended hours and weekends as needed
- No salary listed
- Role involves significant collaboration with other engineering teams, which may require strong interpersonal skills
Summarised from SpaceX's posting. Read the full original.
Listed by SpaceX on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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