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Principal Cyber Engineer

Job in Sterling, Loudoun County, Virginia, 22170, USA
Listing for: Nightwing
Full Time position
Listed on 2026-09-23
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 99000 - 206000 USD Yearly USD 99000.00 206000.00 YEAR
Job Description & How to Apply Below
## Principal Cyber Engineer Apply:
Sterling, VA:
Full time:
Posted Today:
JR102083

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.

** Principal Cyber Engineer
** Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve crucial 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 customer site in Sterling, Virginia.
** 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 offers 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
** Technical Requirements
*** Top Secret Clearance
* At least 5 years of experience with C/C++ on Unix/Linux platforms
* Experience developing on iOS
* Experience with objective C
* Experience with core Unix features, including  + Named Pipes / Pipes  + pThreads  + Signal Handlers
* Familiarity with static decompilers (e.g Hex Rays) & disassemblers (e.g. Ghidra)
** Desired Experience
*** Experience developing in iOS kernel space
* Experience with the ARM
64/ARM
32 Architecture or other similar platform
* Experience with Core Foundation framework
* Experience using virtualization technologies (e.g., Corellium)
* Experience using Docker
* Experience with AI agent task delegation and output evaluation
* Familiarity with Atlassian products (Bitbucket, Bamboo, JIRA, etc.)
* Familiarity with version control software such as git
* Developing proof-of-concept exploit software
** Education Requirements
** Requires a degree in a technical discipline
** Security Clearance
** Current TS/SCI clearance is required

This position is not relocation eligible but a signing bonus may be an option for the sufficiently qualified candidate.#CODEX
* At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.
** Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.
** Nightwing is An Equal…
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