Principal Cyber Software Engineer (Mobile)

markon· Information Technology
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📍 Chantilly, VA, USFULL TIME💰 USD 170K–190K/yr

About this role

Description

Markon is hiring a Principal Cyber Software Engineer for our Virginia client out of Chantilly, VA. The ideal professional will have extensive experience supporting, developing, presenting, and defending highly-secure mobile application systems and play a critcial role in shaping the direction and success of the mission.

Responsibilities

  • Design, development, and deliver high-quality mobile software on the Android platform.
  • Defend the architecture in rigorous reviews.
  • Effectively communicate ideas to customer leadership.
  • Understand and articulate complex data integration efforts to technical and non-technical professionals.
  • Mentor and lead more junior members of the team with applicable SDLC methodologies.
  • Ensure high fidelity coding in multiple common and uncommon software languages.
  • Maintain knowledge of up-to-date development methodologies, risks, and technologies.

Qualifications

Required:

  • A minimum of an active Secret security clearance to be considered.
    • Willingness to aquire a TS/SCI with a Full Scope (Lifestyle) Polygraph and stay on contract throughout the full investigation and adjudication.
    • Candidates with a secret level of clearance must meet all required and most desired qualifications.
  • Minimum education and experience are 8 years’ experience is required:
    • 8 years' experience with Bachelor’s in Science.
    • 6 years’ experience with Masters in Science.
    • 4 years’ experience with PhD.
  • Proficient in C, Rust, Java, Kotlin, C++, C#, or Python.
  • Experience developing software on Agile teams.
  • Experience developing applications for mobile platforms.
  • Knowledge of cybersecurity fundamentals.
  • Knowledge of software development life cycle.
  • Experience writing software design documentation.

 

Desired:

 

  • Active Top Secret / SCI security clearance with a Full Scope (lifestyle) poly.
  • Experience leading software development teams.
  • Deep knowledge of cryptography best practices.
  • Deep knowledge of Android/Linux system internals.
  • Experience with Android/Linux kernel development 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.

Salary Range

USD $170,000.00 - USD $190,000.00 /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

Frequently Asked Questions

What is the salary for the Principal Cyber Software Engineer (Mobile) role at markon?
The listed salary for this Principal Cyber Software Engineer (Mobile) position at markon is USD 170K–190K/yr. This is an FULL TIME role.
Where is the Principal Cyber Software Engineer (Mobile) position at markon located?
This Principal Cyber Software Engineer (Mobile) role at markon is based in Chantilly, VA, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Principal Cyber Software Engineer (Mobile) role at markon full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Principal Cyber Software Engineer (Mobile) role in the Information Technology department at markon.
Which team or department does the Principal Cyber Software Engineer (Mobile) at markon belong to?
This Principal Cyber Software Engineer (Mobile) position is part of the Information Technology department at markon. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Principal Cyber Software Engineer (Mobile) position at markon?
Click the "Apply Now" button on this page. You will be redirected to markon's official application portal hosted on icims where you can submit your application directly.
When was the Principal Cyber Software Engineer (Mobile) job at markon posted?
This Principal Cyber Software Engineer (Mobile) position at markon was posted on Dec 17, 2025. Apply as soon as possible — early applications are often reviewed first.
Principal Cyber Software Engineer (Mobile)
markon · 💰 USD 170K–190K/yr
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