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Codex Jobs in Virginia (NOW HIRING)

Nwis

Senior Cyber Engineer

Sterling, VA · On-site

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 ...

Nwis

Senior Principal Cyber RF Engineer

Sterling, VA · On-site

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 ...

Nwis

Principal Cyber Engineer

Sterling, VA · On-site

$99K - $206K/yr

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 ...

Nwis

Principal Cyber Engineer

Sterling, VA · On-site

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 ...

Nightwing

Principal Cyber Engineer

Sterling, VA · On-site

$99K - $206K/yr

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 ...

Nwis

Principal Cyber Software Engineer (iOS)

Sterling, VA · On-site

$99K - $206K/yr

CODEX Overview The Nightwing 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 ...

Nwis

Senior Cyber Software Engineer (iOS)

Sterling, VA · On-site

$77K - $163K/yr

CODEX Overview The Nightwing 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 ...

Nightwing

Principal Cyber Software Engineer (iOS)

Sterling, VA · On-site

$133K - $179K/yr

CODEX Overview The Nightwing 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 ...

Bespoke Technologies, Inc.

Database Developer

Reston, VA · On-site

... Codex Qualifications : Required : • Experience working with geospatial data types (rasters and vectors) • Experience with designing and building AI agents • Integrating mission data with LLMs ...

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Infographic showing various Codex job openings in Virginia as of August 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 70% In-person, and 30% Remote job distribution.

Principal Cyber Software Engineer (iOS)

Nightwing

Sterling, VA • On-site

$99K - $206K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 14 days ago

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.
CODEX Overview
The Nightwing 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 the missions succeed for the 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 Sterling, Virginia.
Security Clearance
Current TS/SCI clearance is required
Technical Requirements
  • Top Secret Clearance
  • At least 8 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 HexRays) & disassemblers (e.g. Ghidra)

Desired Experience
  • Experience developing in iOS kernel space
  • Experience with the ARM64/ARM32 Architecture or other similar platform
  • Experience with Core Foundation framework
  • Experience using virtualization technologies (e.g., Corellium)
  • Experience using Docker
  • 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
This position is not relocation eligible but a signing bonus may be an option for the sufficiently qualified candidate.
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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