Software Engineer- Cybersecurity and Cryptography
Xona Space Systems7 months ago
Burlingame, CA, USASenior
Base Salary
$193k - $218k/yr
Responsibilities
- Design and implement production-ready cryptographic modules for key management, identity and access management, and secure communication protocols.
- Apply defensive programming to mitigate buffer overflows, integer underflows, race conditions, and adversarial inputs.
- Develop secure data-at-rest solutions for persistent-memory architectures and protect cryptographic material in non-volatile RAM.
- Lead development of high-availability ground station software managing the satellite constellation’s security lifecycle.
- Integrate Hardware Security Modules and Trusted Platform Modules for secure key storage and signing operations.
Requirements
- 5+ years of software engineering experience focused heavily on security-sensitive applications.
- Mastery of C/C++ and defensive, memory-safe coding practices, plus proficiency in Python for security tooling.
- Direct experience programming for persistent memory or non-volatile storage, including memory-mapped files and data consistency models.
- Deep understanding of symmetric and asymmetric encryption, digital signatures, hashing, and Public Key Infrastructure.
- Hands-on experience with AWS security, Kubernetes security, and automated SAST/DAST security scanning.
- Preferred qualifications include satellite ground-segment or aerospace communications experience, post-quantum cryptography knowledge, hardware security and side-channel mitigation experience, and Zero Trust architecture experience in hybrid-cloud environments.
Tech Stack
Categories
About Xona Space Systems
Xona Space Systems builds a low Earth orbit positioning, navigation, and timing (PNT) satellite constellation, branded Pulsar, to deliver centimeter-level accuracy and secure timing to devices and infrastructure worldwide. The company provides PNT signals and integrations for sectors such as autonomous systems, defense, and industrial IoT. Privately held and headquartered in Burlingame, California, it targets GPS compatibility and notes U.S. export-control eligibility requirements for many roles.