Principal Cyber Mobile CNO Engineer

Salary: $99,000 - 206,000 per year Requirements: Current TS/SCI clearance with Full Scope polygraph Experience with team or task leadership and customer interaction Experience developing for Android or iOS mobile platforms Experience assessing vulnerabilities on Android or another mobile platform At least 3 years of experience with C/C++ on Unix/Linux platforms using Make/CMake build systems Familiarity with static decompilers such as Hex-Rays and disassemblers such as Ghidra Experience developing against or working with large open-source projects such as AOSP Technical discipline degree Desired: Understanding of CNE techniques and methodologies on Android and Linux Desired: Experience with ARM64/ARM32 architecture or a similar platform Desired: Familiarity with Atlassian products such as Bitbucket, Bamboo, and JIRA Desired: Familiarity with version control software such as Git Desired: Experience reverse engineering ARM binaries Desired: Experience developing proof-of-concept exploit software Responsibilities: Solve real-time cyber challenges while working on site with end users Develop high-impact native applications for mobile devices, incorporating ongoing user feedback Integrate reverse-engineering results into development products Expand knowledge of mobile platforms to meet development objectives and customer requirements Technologies: ARM Android Atlassian Bamboo BitBucket Git Hardware Support JIRA Linux Mobile Security Unix iOS More: We are partnering with hackajob to connect exceptional professionals with Nightwing. Nightwing provides advanced cyber, data operations, systems integration, and intelligence mission support to customers in intelligence, defense, civil, and commercial markets. Our CODEX division brings together mission-focused experts across vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, systems engineering, and data analytics. We offer mentorship, training, and a broad technical portfolio, along with a collaborative team environment focused on challenging work supporting national security. The Principal Cyber Engineer role is based at a customer site in Chantilly, Virginia, and is not relocation eligible; a signing bonus may be available for a sufficiently qualified candidate. The salary range is $99,000–$206,000, based on qualifications, relevant experience, and expertise. Benefits include medical, vision, and dental coverage, a 401(k), paid time off, holidays, and additional insurance. The requisition may qualify for an employee referral award, subject to eligibility requirements. We are an equal opportunity employer and provide consideration without regard to protected status. last updated 41 week of 2026