Senior Principal Cyber Engineer Security Clearance

CODEX Overview

Nightwing's CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission‑focused industry experts who are well known for their ability to overcome the most advanced technical challenges. The team comprises engineers of multiple disciplines—including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Our engineers do more than just work with cutting‑edge technology;

they ensure missions succeed for our customers. CODEX offices span the nation and offer its engineers the ability to advance their careers through mentorship, training, and an expansive technical portfolio that covers every side of cyber.

As a Principal Cyber Engineer in the CODEX division, you will work on real‑time cyber challenges, building high‑impact native applications for mobile devices. You will collaborate closely with end users, integrating reverse‑engineering results into development products and expanding your knowledge of the mobile platform to meet both development objectives and customer requirements.

Nightwing site, Sterling, Virginia.

• Current TS/SCI clearance is required.
• Experience developing for Android or another mobile platform.
• At least 10 years of experience with C/C++ on Unix/Linux platforms using Make/CMake build systems.
• Familiarity with static decompilers (e.g., Hex Rays) and disassemblers (e.g., Ghidra).
• Experience developing against or working with large open‑source projects (e.g., AOSP).

• Team or task leadership experience.
• Understanding of CNE techniques and methodologies on Android and Linux.
• Experience with the ARM
  64/ARM
  32 architecture or other similar platforms.
• Familiarity with Atlassian products (Bitbucket, Bamboo, JIRA, etc.).
• Familiarity with version control software such as Git.
• Reverse engineering ARM binaries.
• Developing proof‑of‑concept exploit software.

• Requires a degree in a technical discipline.

This position is not relocation eligible, but a signing bonus may be an option for the sufficiently qualified candidate.

Nightwing is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, or any other federally protected class.