Principal Cyber Engineer

Nightwing; Sterling, Northern (VA, KY); Hybrid; USD 99,000 - 206,000; Full time

Benefits offered by this job

Medical insurance

401k plan

PTO and holidays

Job summary

Nightwing’s CODEX division seeks a Principal Cyber Engineer to join on-site in Sterling, VA. You will develop native mobile applications, integrate reverse engineering results, and support cryptic cyber challenges for national-security missions.

The role requires Top Secret/SCI clearance, 5+ years in C/C++ Unix/Linux, iOS development, and familiarity with debuggers and virtualization tools. Join a mission-focused team delivering advanced cyber capabilities.

Qualifications

• Requires Top Secret/SCI clearance.
• At least 5 years of C/C++ on Unix/Linux.
• Experience developing on iOS and Objective-C.

Responsibilities

• Develop native applications for mobile devices.
• Incorporate reverse engineering results into development products.
• Collaborate with a team to meet customer requirements and missions.

Skills

C/C++ on Unix/Linux

iOS development

Objective-C

pThreads

signal handlers

static decompilers (Hex-Rays)

disassemblers (Ghidra)

Education

Degree in a technical discipline

Tools

Corellium

Docker

Git

Bitbucket

JIRA

Bamboo

Job description

## Principal Cyber EngineerApply: Sterling, VA: Full time: Posted Today: JR102083Nightwing 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 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* 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 requiredThis 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 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.