Software Cybersecurity Engineer V/VI

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Software Cybersecurity Engineer V/VI in Others new

Zone 5 Technologies
Full time
Email

Others
11/11/2026
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USA (city not specified)

Responsibilities

Lead cybersecurity architecture and engineering for embedded flight software, mission-critical systems, and supporting applications.
Design and implement secure boot, cryptographic key management, software signing, secure storage, authentication, integrity verification, and protections against exploitation and unauthorized access.
Conduct threat modeling, attack-surface analysis, vulnerability assessments, cybersecurity risk evaluations, security architecture reviews, and penetration-testing coordination.
Define cybersecurity requirements, architectures, verification methods, technical acceptance criteria, security control evidence, and risk assessments.
Collaborate with Software, Systems, Hardware, GNC, and Platform Engineering teams to integrate security while meeting mission, real-time, performance, and safety requirements.
Establish secure software development practices and support automated security analysis in CI/CD pipelines.
Support customer technical reviews, cybersecurity assessments, and applicable DoD security requirements.
Provide technical mentorship on secure architecture, secure coding, and embedded cybersecurity practices.

Requirements

Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or equivalent technical experience.
8+ years of relevant experience in cybersecurity, embedded software engineering, systems security, or related disciplines.
Strong programming experience in C, C++, Python, or comparable systems programming languages.
Demonstrated experience securing embedded systems, real-time operating systems, or resource-constrained computing platforms.
Strong understanding of cryptography, secure boot, authentication, software integrity, and secure communications.
Experience with threat modeling, vulnerability analysis, security architecture reviews, and hardware/software security boundaries.
Ability to independently develop technical solutions and lead cybersecurity engineering activities across multidisciplinary teams.
Ability to obtain and maintain a U.S. security clearance.
Preferred qualifications include aerospace, defense, unmanned-systems, mission-critical embedded, ARM processor, VxWorks, embedded Linux, hardware-root-of-trust, trusted-execution-environment, secure-key-provisioning, secure-supply-chain, SBOM, software-signing, and automated-security-testing experience.
Preferred familiarity includes NIST SP 800-53, NIST SP 800-160, NIST SP 800-171, RMF, CMMC, MIL-STD-882, airworthiness and system-safety cybersecurity, GitHub Enterprise, GitHub Actions, Docker, Artifactory, and embedded development toolchains.
An active U.S. security clearance is preferred.

Benefits

Medical, dental, vision, life, and other benefit package options.
401(k) with company match.
Three weeks of paid time off annually.
40 hours of sick time.
12 annual company holidays.
Professional development and career advancement opportunities.

Salary: $176k - $250k/yr

Zone 5 Technologies

Zone 5 Technologies builds unmanned aircraft systems and enabling technologies—avionics, flight-control hardware/software, ground control stations, and mission-planning tools—for U.S. government and defense programs. A privately held DoD prime contractor founded in 2011 and headquartered in San L...

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