Mobile CNO Developer

Job Type: Full-time

Location: Sterling, VA , Hybrid (WFH and in office)

Clearance Requirements: Must be a U.S. citizen. TS clearance required

Years of Experience: 8+ years

Working with 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 in a unique position 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. Kyrus offers industry-leading benefits, including

• 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

Why You Matter

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.

As a Mobile Application Reverse Engineer, we need you to

• 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

Who You Are

To you, every new app is a puzzle to be explored. You are an accomplished professional with

• A bachelor’s degree in computer science, computer engineering, cyber security, or other technical degree or equivalent work experience


• Experience with industry standard reverse engineering tools such as jadx, Frida, Objection, apktool, and Hopper or Ghidra


• An 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

For more information, please reach out to our Human Strategist Amy Maxwell at [email protected]

At SIXGEN, we embrace people of all backgrounds. We are an equal opportunity employer.