Senior CNO Developer (C/C++)

Location: Sterling, Virginia, United States

Salary: $150,000–$225,000 USD annually

Company

National security and technology organization delivering mission expertise and solutions for complex defense and cybersecurity challenges.

What you will do

• Participate in the full software development lifecycle, including design, implementation, testing, deployment, and support.
• Develop and deploy mission-critical systems in small engineering teams.
• Reverse-engineer network application protocols and build tools for complex data and network analysis.
• Develop applications ranging from standalone scripts to complex multithreaded client/server architectures.
• Prioritize work, communicate clearly, and deliver high-quality solutions with a strong customer focus.

Requirements

• Active TS/SCI clearance with the ability to obtain a polygraph.
• Bachelor’s degree or foreign equivalent in Computer Science or a related field.
• Experience writing and debugging multithreaded applications.
• Strong understanding of the TCP/IP stack and Internet application network protocols.

Nice to have

• Experience with Linux, operating-system internals, kernel/user-space interactions, CPU architectures, linkers, loaders, and memory management.
• Expertise in C, C++, and Assembly, with the ability to work in other programming languages.
• Binary reverse engineering experience with IDA Pro, radare, or similar tools.
• Vulnerability research, embedded development, machine learning, or exploitation of newly deployed technologies.

Culture & Benefits

• Comprehensive medical, dental, and vision coverage.
• Health Savings Account with company contribution.
• Paid time off, paid holidays, and paid parental leave.
• 401(k) with company match.
• Training and development opportunities, award programs, and company-sponsored events.
• Focus on work-life balance and professional growth.