Senior Principal Cyber Mobile CNO Engineer

Nightwing Intelligence Solutions, LLC; Sterling (VA); On-site; USD 122,000 - 253,000; Full time

Benefits offered by this job

Medical insurance

Vision insurance

Dental insurance

401(k)

Paid time off

Holidays

Signing bonus

Employee referral program

Job summary

The Principal Cyber Engineer will work on site with end users to tackle real-time cyber challenges and translate reverse engineering results into native Android and iOS applications. You will collaborate with developers to deliver high-impact mobile solutions that meet customer requirements and security objectives.

Location: Customer site in Chantilly, Virginia. Requires TS/SCI with Full Scope Polygraph, leadership experience, and deep C/C++ skills on Unix/Linux, plus familiarity with Hex-Rays,

Qualifications

• Requires TS/SCI with Full Scope Polygraph.
• 5+ years of C/C++ on Unix/Linux.
• Mobile development for Android or iOS.
• Experience with vulnerability assessment on mobile platforms.
• Familiarity with reverse engineering tools (Hex-Rays, Ghidra).
• Experience with large open-source projects (e.g., AOSP).

Responsibilities

• Tackle real-time cyber challenges at customer sites.
• Translate reverse engineering results into native Android and iOS applications.
• Collaborate with development teams to deliver high-impact mobile solutions that meet objectives and security requirements.

Skills

C/C++

Unix/Linux

Android

iOS

Reverse engineering

Team leadership

Customer interaction

Mobile development

Ghidra

Hex-Rays

AOSP

Git

Bitbucket/JIRA

Education

Technical degree

Tools

Ghidra

Hex-Rays

AOSP

Git

Bitbucket

JIRA

CMake

Job description

Principal Cyber Engineer – Cyber Offense and Defense Experts (CODEX)

Nightwing’s CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission‑focused industry experts to overcome advanced technical challenges. The division focuses on vulnerability research, reverse engineering, device emulation, system engineering, and data analytics.

Job Overview

The Principal Cyber Engineer will work on site with end users, solving real‑time cyber challenges and integrating reverse engineering results into native mobile applications for Android and iOS. This position requires collaboration with developers to build high‑impact mobile applications, providing continuous and meaningful feedback to meet development objectives and customer requirements.

Location: 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 platforms
• 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) and disassemblers (e.g., Ghidra)
• Experience developing against or working with large open‑source projects (e.g., AOSP)
• Desired: Understanding of CNE techniques and methodologies on Android and Linux
• Desired: Experience with the ARM64/ARM32 Architecture or similar
• Desired: Familiarity with Atlassian products (Bitbucket, Bamboo, JIRA, etc.) and version control software such as git
• Desired: Reverse engineering ARM binaries and developing proof‑of‑concept exploit software

Education Requirements

• Requires a degree in a technical discipline

Salary & Benefits

The salary for this position ranges from $122,000–$253,000 and is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise.

Nightwing offers medical, vision and dental insurance coverage, a 401k plan, PTO, holidays, and additional insurances. This position is not relocation eligible; however, a signing bonus may be an option for the sufficiently qualified candidate. This requisition is eligible for an employee referral award.

EEO Statement

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.