Senior CNO Developer​/Reverse Engineer

Job Summary

Our team covers the full life cycle from emulation, reverse engineering, vulnerability research, and CNO/CNE tool development for various operating systems. Our mission covers a wide range of targets, anything from major consumer electronics to proprietary one‑off systems. If it runs code, we have probably looked at it (or will soon). In addition, the position will provide deliverables for real‑world use in relatively short turn‑around times.

Projects will be undertaken in small teams with close coordination with customers to quickly enhance capabilities or resolve issues in existing tools for real‑world applications. Working as part of a team you will also need to be familiar with source management tools such as GIT and team coordination tools like the Atlassian suite of work products. All candidates must be US citizens and be able to obtain and maintain a government security clearance.

This position is an onsite role.

We seek a qualified engineer that can perform as a team member on activities involved with research, reverse engineering, development, testing, maintenance, and modification of complex classified and unclassified software applications.

• TS/SCI
• Typically requires a Bachelor’s Degree in science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 5 years of prior engineering experience or equivalent experience unless prohibited by local laws/regulations. Experience with C/C++ on Unix/Linux platforms using Make/CMake build systems.
• Experience with Python and practical knowledge of project execution.
• Ability to make enhancements to and develop software tools.
• Understanding of low‑level programming concepts.
• Experience with source management tools.
• Familiarity with stack frames, calling conventions, and memory management. Reverse engineering utilizing any of IDA/Ghidra/Binary Ninja.
• Utilizing full system emulation for research and analysis.
• Experience with assembly language (x86/64, ARM, PPC, Mips, etc.).

• Understanding of network protocols (TCP/IP stacks, wire‑level protocols, RF communications, BGP, routing protocols, or others).
• Linux or other OS reversing.
• Experience with Linux/Unix bootloaders (e.g., u‑boot, aboot).
• Experience developing and productizing N‑days.
• Fuzzer development.
• Experience with and knowledge of SELinux, cgroups, and other Linux permission models.
• Experience developing against or working with large open source projects.
• Experience with assembly language (x86/64, ARM, PPC, Mips, etc.).
• Capture the Flag (CTF) experience.

Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

In addition to competitive salaries, CODEX offers excellent benefits for you and your family: competitive medical, dental and vision plans, child, elderly and dependent‑care programs, mental health resources, tuition assistance, employee discount programs, 401k matching, flexible work schedules (depending on program), a peer recognition and reward system and performance‑based bonuses.

Onsite:
Employees who are working in onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

ERIP Eligibility – This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award.

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 or veteran status, age or any other federally protected class.