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Senior Principal Cyber Mobile CNO Engineer with Security Clearance

NightwingSterling, VA🇺🇸United StatesPosted 22 Jul 2026

Why This Role Stands Out

Elevate your career as a Senior Principal Cyber Mobile CNO Engineer at Nightwing, where you'll tackle cutting-edge cyber challenges and contribute to vital national security missions with a highly competitive compensation package. This on-site leadership role is perfect for experienced professionals who thrive in a collaborative environment, driving innovation and developing advanced cyber capabilities to protect critical systems. Apply now to join a renowned company and make a significant impact in the world of cybersecurity.

Quick Overview

Salary
$122k - $253k/yr
Work Type
On Site
Schedule
Employee
Level
Leader

Job Description

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. Senior 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 customer site in Chantilly, Virginia. Technical Requirements * Current TS/SCI clearance with Full Scope Polygraph required
* Experience with team or task leadership and customer interaction
* Experience developing for Android or iOS mobile platform
* Experience with vulnerability assessment on Android or another mobile platform
* At least 5 years of experience with C/C++ on Unix/Linux platforms using Make/CMake build systems
* Familiarity with static decompilers (e.g HexRays) & disassemblers (e.g. Ghidra)
* Experience developing against or working with large open-source projects (e.g. AOSP) Desired Experience * Understanding of CNE techniques and methodologies on Android and Linux
* Experience with the ARM64/ARM32 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 a signing bonus may be an option for the sufficiently qualified candidate. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award. #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 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. Salary & Benefits
The salary associated with this position ($122,000-$253,000) is commensurate with the selected candidate's qualifications, years of relevant experience, and demonstrated level of expertise. Compensation will be determined based on these factors to ensure alignment with skills, responsibilities, and market standards. Nightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays, and additional insurances. 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.

Skills

Jira

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