CNO Software Engineer

Company: MANTECH
Location: Harmans
Posted on: March 22, 2026

Job Description:

MANTECH seeks a skilled and mission-focused CNO Software Engineer to join our team in Hanover, MD. In this role, you will contribute to the development of advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions. Responsibilities include but are not limited to: Design and develop new hardware- or software-based CNO capabilities Assists with the design, development, documentation, testing, and debugging of applications software and systems Develop data queries for existing or proposed databases or data repositories Apply knowledge of security concepts and network technologies Ensure software engineering standards are consistently met Minimum Qualifications: BS Degree in a technical discipline and 7 years of experience in software development or software engineering, or High School Diploma and 11 experience in software development or software engineering Experience in Python or C/C++ programming Experience with troubleshooting and debugging systems Preferred Qualifications: Experience with analyzing user requirements to derive software design and performance requirements Experience in software analysis or reverse engineering Understanding of assembly programming concepts Understanding of CNO development concepts Familiarity with unit testing frameworks and practices Clearance Requirements: Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required Physical Requirements: Must be able to remain in a stationary position 50% of the time

Keywords: MANTECH, Dale City , CNO Software Engineer, IT / Software / Systems , Harmans, Virginia