As a Principal Cyber Software Engineer (Mobile) at Markon, a perennial Washington Post Top Workplace, you will shape the direction of highly-secure mobile application systems. You will lead the design, development, and defense of these systems, playing a critical role in mission success within an environment that celebrates new ideas and prioritizes team member well-being.
What You'll Do
- Design, develop, and deliver high-quality mobile software on the Android platform.
- Defend system architecture in rigorous design reviews.
- Effectively communicate ideas and technical details to customer leadership.
- Articulate complex data integration efforts to both technical and non-technical audiences.
- Mentor and lead more junior team members in applicable software development life cycle (SDLC) methodologies.
- Ensure high-fidelity coding in multiple common and uncommon software languages.
- Maintain knowledge of up-to-date development methodologies, risks, and technologies.
What We're Looking For
- An active Secret security clearance with willingness to acquire a TS/SCI with Full Scope Polygraph.
- 8 years of relevant experience with a Bachelor’s degree, 6 years with a Master’s, or 4 years with a PhD.
- Proficiency in one or more of: C, Rust, Java, Kotlin, C++, C#, or Python.
- Experience developing software on Agile teams.
- Experience developing applications for mobile platforms.
- Knowledge of cybersecurity fundamentals and the software development life cycle.
- Experience writing software design documentation.
Nice to Have
- An active Top Secret / SCI clearance with a Full Scope polygraph.
- Experience leading software development teams.
- Deep knowledge of cryptography best practices.
- Deep knowledge of Android/Linux system internals.
- Experience with Android/Linux kernel or driver development.
- Experience reverse engineering with Ghidra or IDAPro.
- Experience designing embedded software systems.
- Experience developing Flutter applications.
- Experience managing Linux virtual machines.
- Experience working with Microsoft Azure DevOps.
Technical Stack
- Languages: C, Rust, Java, Kotlin, C++, C#, Python
- Platforms: Android, Linux
- Tools: Ghidra, IDAPro, Flutter, Microsoft Azure DevOps
Benefits & Compensation
- Salary range: $170,000 - $190,000 per year.
- Medical, Dental, and Vision coverage.
- Life Insurance, Short-Term and Long-Term Disability.
- 401(k) with company match.
- Flexible Spending Accounts and Employee Assistance Program (EAP).
- Training and Tuition Assistance.
- Paid Time Off and company Holidays.
Work Mode
This position is onsite in Chantilly, VA.
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.


