Mobile Application Reverse Engineer

Job Details

• Job Type: Full-time
• Location: Sterling, VA (Hybrid – work from home and in office)
• Clearance Requirements: Must be a U.S. citizen. TS clearance required
• Years of Experience: 8+ years

About SIXGEN

SIXGEN is committed to solving our customer's hardest problems with eagerness, effectiveness, and efficiency. We reject the status quo and constantly look for new ways to push the boundaries in our field. As an engineer at SIXGEN, you'll work at the intersection of software development, binary and network protocol reverse engineering, and large‑scale data analysis.

SIXGEN recognizes that a company is nothing without well‑cared‑for employees. We cultivate an encouraging and innovative workplace environment and give employees flexibility to work on their terms.

At SIXGEN, you'll provide meaningful support to our federal customers. You will use your knowledge of Android or iOS reverse engineering, static and dynamic analysis of Android or iOS apps, and analysis of forensic artifacts left on mobile devices to assess the security of Android and iOS mobile apps. Your commitment to our customer's missions, curiosity, and attention to detail will make you a valuable addition to the SIXGEN team.

Responsibilities

• Perform static and dynamic reverse engineering of Android and iOS mobile applications and the custom protocols they implement.
• Be familiar with rooting and jailbreaking techniques, as well as emulation of Android devices.
• Capture, triage, and analyze network packet captures.
• Overcome difficult problems through collaboration with teammates and brainstorming novel approaches.
• Examine on‑disk artifacts that apps leave behind.
• Identify opportunities for streamlined processes or automation through development of custom tools in Python or C.
• Write clear and precise technical reports to document findings.
• Contribute across projects and disciplines; we are a small company and expect that you will grow into adjacent technical areas as you further your career.

Requirements

• A bachelor's degree in computer science, computer engineering, cyber security, or other technical field, or equivalent work experience.
• Experience with industry‑standard reverse engineering tools such as jadx, Frida, Objection, apktool, and Hopper or Ghidra.
• Understanding of Android compilation obfuscation techniques such as ProGuard.
• Familiarity with Android Debug Bridge (ADB) and debugging iOS with Xcode.
• Knowledge of standard TCP/IP protocols; experience with Wireshark or comparable tools; past experience using mitmproxy or performing network traffic man‑in‑the‑middle is desired.
• Knowledge of industry‑standard cryptographic primitives.
• Experience developing software with Python and/or C is desirable.
• Prior Android or iOS application development experience is desirable.
• A drive to understand the obfuscated, leverage new technology to move the mission forward, and seize the opportunity to mentor junior engineers.

Benefits

• Employer‑funded health, dental, vision, and life insurance.
• Flexible Leave Policy.
• Flexible hours and opportunities to work from home.
• 4% 401(k) contribution, vested immediately.
• Reimbursements for training events, gym memberships, cell phone and internet bills, and lunches with coworkers.

For more information, please reach out to our Human Strategist Amy Maxwell at amy.maxwell@sixgen.io.

SIXGEN embraces people of all backgrounds and is an equal opportunity employer