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# Cyber (CNO) Software Developer

- **Company:** Percival Engineering
- **Location:** Columbia, MD, United States
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Microsoft Windows, Adobe InDesign, Assembly Language, C Sharp (Programming Language), Unix, C++ (Programming Language), Computer Programming, Custom Software, IPv4, Python (Programming Language), Network Protocols, Ruby, Reverse Engineering, Software Engineering, Software Systems, Multithreading, Computer Network Operations, Information Technology, Cybercrime, Vulnerability Analysis, Programming Languages
- **Published:** October 11, 2026
- **Apply:** https://www.juju.com/job/1_BreezyHR64776-e9efea275c8f

## About the Role

Required Skills & Qualifications: + Deep knowledge of operating system internals and development environments + C/C++ programming and Python development skills + Experience with IPv4 Protocol and Networking + BS degree in Computer Science or related field or 4 years of technical work experience + Minimum one (1) year experience programming in Assembly, C, C#, C++ Desired Skills & Qualifications: + 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 Application Process: + All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin

## Description

Ready to dive into and learn the latest cyber strategies and techniques?
Are you all about tackling the toughest puzzles?
Ready to bring your A-game?
Well, buckle up and join us at Percival - where we're all about putting people first and having a blast while we're at it.
Based in Columbia, Maryland, our squad is on a big mission: developing top-notch talent and technical solutions to safeguard our nation's most critical assets.
From digging deep into vulnerabilities and cracking codes to developing cutting-edge software, our team does it all.
If you are a Cyber (CNO) Software Developer with a passion for innovation and a knack for thinking outside the box, we want you on our team.
Let's tackle those cyber threats together - and have a blast while we're at it!
Job Type: + All Levels, Full Time + Non-Remote - Columbia, MD Clearance & Citizenship Requirements: + TS/SCI with polygraph is required + Due to these clearance requirements, US citizenship is also required Responsibilities Include: + Provide software development in support of custom software design and development of cyber capability tools and techniques + Draft documentation, participate in design, code, and software rediness reviews + Write portable code that is compatible with multiple operating systems and architectures (Windows and/or Unix).
Should be comfortable writing single and/or multi-threaded applications and inter process communication interfaces. + Create new novel solutions and/or integrate new features and maintain existing software solutions supporting computer network operations.
Responsible for the entire lifecycle of solutions including design, development, testing, and customer support. + Work independently and with small teams, track and report status directly to customer. + Write or learn a high-level programming language like Python or Ruby.