Android CNO Developer
Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 1, 2026.
Description
PLEX Solutions, A Part of Markon is looking for an Android CNO Developer to work in the Dulles, VA area. The Android CNO Developer will solve real-time cyber challenges. We are looking for individuals who enjoy working on a mission-focused team that works very closely with our end users.
Responsibilities
Duties include:
- Design custom software tools and techniques for the Android platform;
- Be responsible for end-to-end design and development of custom software;
- Diagnose and debug issues using both COTS and GOTS tools;
- Have a firm understanding of how networks work;
- Develop documentation pertinent to operating and supporting developed software and techniques;
- Mentor and lead junior-level developers to accomplish mission objectives;
- Solve real-time cyber challenges
Qualifications
- Active TS/SCI w/ Polygraph
- Minimum of 4 years of experience and a related BS Degree is required. (An additional 6 years of related experience may be substituted for a BS Degree)
- Development, testing and debugging Python and C
- Experience in UNIX applications using make files or comparable build environments, mission-applicable platforms.
- Programming CNO tools and techniques
- Network sockets programming and expert packet-level understanding of IP, TCP, and application-level protocols.
- Tracing code execution in a debugger (WinDbg/gdb/IDA Pro).
- Reverse engineering native binaries.
- Developing proof-of-concept exploit software
- Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures
- Understanding of security protection mechanisms (ASLR, DEP, NX), how to defeat them, and how to detect a defeat
- Working with version control software such as git, Gitlab, etc.
Preferred Qualifications:
- Experience with native-level mobile development
- Experience with vulnerability analysis
- Experience with assembly, preferably ARM
- Understanding of mobile security protection mechanisms, such as SELinux and application sandboxing
- Objective-C, Swift or C++ programming
- Ability to work independently and as part of a team in a fast-paced environment with ever-changing requirements.
- Experience with native-level mobile development.
- Experience with vulnerability analysis
- Experience with assembly, preferably ARM
- Understanding of mobile security protection mechanisms, such as SELinux and application sandboxing
- Objective-C, Swift or C++ programming
- Ability to work independently and as part of a team in a fast-paced environment with ever-changing requirements.
- BS Degree in Computer Science is also highly desired.
Salary Range
USD $130,000.00 - USD $250,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview
Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.
At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make - which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.
Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.
Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.