or apply directly on AST SpaceMobile's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 23 days AST SpaceMobile's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 1% of AST SpaceMobile's roles list one
- Ghost-job risk at AST SpaceMobile
- low 0 stale, 6 reposted of 231 open
- Hiring momentum
- 268 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 AST SpaceMobile's own greenhouse board since 2026-08-03. Full hiring picture for AST SpaceMobile.
About this role
The Principal Flight Software Engineer at AST SpaceMobile will lead the design and development of embedded Linux software for satellite flight systems, focusing on networking subsystems. Responsibilities include managing the architecture of networking capabilities, collaborating with various engineering teams, mentoring junior engineers, and overseeing technical projects from scoping to delivery. The role requires hands-on experience with embedded systems and a strong understanding of networking fundamentals.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 5/5
- role clarity
- 5/5
- 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 AST SpaceMobile as an employer.
What you need
- 8+ years of professional software engineering experience, with significant focus on embedded Linux
- Deep expertise in Linux kernel internals: network and platform driver development, device tree authoring, and kernel configuration and build
- Strong understanding of networking fundamentals: TCP/IP, UDP, routing, network interfaces, and socket programming
- Proficiency in C and C++ (C++17 standard library); Python for tooling and automation
- Experience with embedded Linux build systems such as Yocto or Buildroot
- Familiarity with cross-compilation toolchains and embedded debugging techniques (JTAG, SWD, GDB)
Nice to have
- Background in RF or radio-frequency systems integration
- Experience with network security in embedded contexts (TLS, secure boot, key management)
- Experience with CUDA
- Experience with high-reliability or fault-tolerant software design patterns
Worth weighing
- No salary listed
- The role involves both hands-on debugging and leadership responsibilities, which may require balancing technical work with management tasks.
- The job may evolve over time as business demands change, which could lead to shifting responsibilities.
Summarised from AST SpaceMobile's posting. Read the full original.
Listed by AST SpaceMobile on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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