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Senior Principal Cyber Engineer

Job in Sterling, Loudoun County, Virginia, 22170, USA
Listing for: Nightwing Group
Full Time position
Listed on 2026-01-13
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.
** Sr. Principal Cyber Engineer
** Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.
** 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. If you want to be part of a collaborative team that supports challenging, meaningful work that is vital to our national security, apply today!
** Principal Cyber Engineer
** Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve real-time cyber challenges, working on site with our end users in their spaces. Applicants will join a team of developers building high impact native applications for mobile devices, with continuous and meaningful feedback from users. Applicants are expected to integrate reverse engineering results into development products and expand their knowledge of the mobile platform to meet development objectives and customer requirements.

The place of performance for this work is at a Nightwing site in Sterling, Virginia.
** Technical Requirements
*** 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) & disassemblers (e.g. Ghidra)
* Experience developing against or working with large open-source projects (e.g. AOSP)
** Desired Experience
*** 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 platform
* 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
** Education Requirements
** Requires a degree in a technical discipline

This position is not relocation eligible, but…
Position Requirements
10+ Years work experience
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