Cyber (CNO) Software Developer

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.

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.