CNO Developer-Senior

Netsage

Annapolis Junction, Maryland, United States (Annapolis Junction) permanent

Posted: April 7, 2026

Quick Summary

We are seeking a highly motivated and experienced CNO Developer-Senior to join our team in Annapolis Junction, MD. The ideal candidate will have a strong background in C++ programming and a passion for developing secure and scalable software solutions. Key skills required include expertise in C++ programming languages, experience with Agile development methodologies, and strong problem-solving abilities.

Job Description

NetSage's mission is to help our customers achieve their missions by providing superior cyber services. We seek talented professionals who are interested in doing meaningful, mission-focused work for the U.S. Federal Government. We are a growing Company that puts our employees first and offers excellent pay and world-class benefits. We do not hire contract by contract; instead, we offer multiple job options and career progression for our employees. We realize that our website and job descriptions may be a little vague and that's on purpose because of the customers we support. Please connect with us using our Contact Us page if you have any questions about any of our job-openings.

We are seeking a Senior CNO Developer to help solve some of our Customer’s most challenging problems. In this role, you will work closely with mission stakeholders to capture requirements and support the development of new and existing capabilities. The ideal candidate for this position will have demonstrable experience working on CNO missions and have a strong proficiency in C programming and reverse engineering. Please consider applying if you meet the following qualifications.

Required Qualifications:

• TS/SCI with polygraph security clearance.

• A Bachelor of Science (B.S.) degree in computer science or a related STEM discipline and ten (10) years of experience or a Master of Science (M.S.) degree and eight (8) years of experience is required.

• At least ten (10) years of experience programming in C (Assembly, C++, and Python are a plus).

• At least ten (10) years of experience performing reverse engineering on diverse architectures.

• In-depth understanding of network protocols and Secure Sockets Layer (SSL) security protocol.

• Experience with network device appliances.

• Experience working in a real-time Operating System (OS) environment.

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