Senior Mobile Security Reverse Engineer

SixGen, Inc.; Alexandria (VA); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401K

Professional development reimbursement

Flexible work policies

Flexible PTO

Job summary

SIXGEN in Sterling, VA is seeking a Mobile Application Reverse Engineer to join our cybersecurity research team supporting federal programs. You will analyze Android and iOS apps, reverse engineer custom protocols, assess security controls, and identify vulnerabilities in complex mobile software.

The ideal candidate has 8+ years of experience, strong knowledge of tools such as jadx, Frida, Objection, apktool, Hopper, and Ghidra, plus solid reporting and collaboration skills.

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, Cybersecurity, or a related technical discipline (or equivalent experience).
• Experience performing Android and/or iOS reverse engineering and mobile application security assessments.
• Experience with reverse engineering tools such as jadx, Frida, Objection, apktool, Hopper, Ghidra, or similar platforms.
• Understanding of Android and iOS operating systems, application architecture, and security controls.
• Experience with rooting, jailbreaking, device emulation, or mobile testing environments.
• Familiarity with Android Debug Bridge (ADB), Xcode, and mobile debugging techniques.
• Knowledge of TCP/IP networking, packet analysis, and network security concepts.
• Understanding of modern cryptographic principles and secure communications.
• Strong analytical, problem-solving, and technical communication skills.

Responsibilities

• Perform static and dynamic analysis of Android and iOS mobile applications.
• Reverse engineer mobile applications and custom communication protocols.
• Analyze application behavior, security controls, and implementation details.
• Assess mobile applications for vulnerabilities and security weaknesses.
• Utilize industry-standard reverse engineering tools and techniques to analyze mobile software.
• Investigate artifacts, device storage, and forensic evidence left behind by mobile applications.
• Analyze network communications and packet captures to understand behavior and risks.
• Develop custom tools, scripts, and automation to support analysis and research.

Skills

Android/iOS reverse engineering

Mobile security research

Analytical problem-solving

Technical communication

Education

Bachelor’s degree in Computer Science/Engineering/Cybersecurity

Tools

jadx

Frida

Objection

apktool

Hopper

Ghidra

Job description

SIXGEN in Sterling, VA is seeking a Mobile Application Reverse Engineer to join our cybersecurity research team supporting federal programs. You will analyze Android and iOS apps, reverse engineer custom protocols, assess security controls, and identify vulnerabilities in complex mobile software.

The ideal candidate has 8+ years of experience, strong knowledge of tools such as jadx, Frida, Objection, apktool, Hopper, and Ghidra, plus solid reporting and collaboration skills.