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# Cyber (CNO) Software Developer

- **Company:** Percival Engineering
- **Location:** Columbia, MD, United States (Remote available)
- **Salary:** $100,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Microsoft Windows, Adobe InDesign, Assembly Language, C Sharp (Programming Language), C++ (Programming Language), Custom Software, IPv4, Python (Programming Language), Network Protocols, Reverse Engineering, Software Engineering, Multithreading, Computer Network Operations, Information Technology, Vulnerability Analysis, Programming Languages
- **Published:** October 27, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9259605/cyber-cno-software-developer

## About the Role

BS degree in Computer Science or related field or 4 years of technical work experience

 - Minimum (1) year experience programming in Assembly, C, C#, C++
 - Deep knowledge of operating system internals and development environments
 - Experience with IPv4 Protocol and Networking

Desired Skills & Qualifications:

 - Python programming skills.
 - Preferred skills include experience in static and dynamic reverse engineering, vulnerability research, binary analysis of executables, exposure to kernel programming, exposure with assembly languages, and/or ability to analyze and signature network protocols.

## Description

Percival is seeking Computer Network Operations (CNO) Software Developers skilled in Assembly, C/C++, and Python programming to build advanced cyber capabilities supporting national security missions. If you're passionate about solving complex technical problems, this is your opportunity to make an impact., Design, develop, test, and maintain custom software tools and capabilities supporting Computer Network Operations (CNO).

 - Develop portable, efficient software for Windows and Unix/Linux environments, including single-threaded and multithreaded applications.
 - Draft documentation, participate in design, code, and software rediness reviews
 - Support the complete software development lifecycle, including design, implementation, testing, deployment, and maintenance.
 - Collaborate with small technical teams, work independently, and communicate project status directly to customers.
 - Develop software using C/C++, Python, and other applicable programming languages.