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Salary
$99k – $206k per year
Location
In office (Sterling)
Seniority
Principal · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Sep 2, 2026. Nightwing scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Nightwing is a US national security contractor headquartered in Dulles, Virginia, that provides cyber operations, technical collection, mission technology, secure communications and cyber defense services to US intelligence and defense agencies. Formed from the former cybersecurity, intelligence and services business of RTX, it carries out reverse engineering, vulnerability research, cyber tool development, managed detection and response and secure network operations. Its openings are mainly for vulnerability researchers and reverse engineers, CNO developers, cyber test engineers, space engineers and software testers, many onsite in Sterling, Annapolis Junction and Arlington.

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

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 CI 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 3 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 ($99,000-$206,000) 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.

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