CNO Developer

MANTECH seeks a skilled and mission focused CNO Developer to join our team in Aurora, CO. In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). Youu2019ll be part of a dynamic team working on next-generation solutions that safeguard our national security systems. Responsibilities include but are not limited to: + Design and develop new hardware- or software-based Computer Network Operations (CNO) capabilities + Perform design, development, documentation, testing, and debugging of software applications and systems + Apply knowledge of network and security concepts to support capability development + Communicate status updates and technical progress to leadership and stakeholders + Ensure software quality and compliance with development standards Minimum Qualifications: + BS degree and 4+ years of technical work experience, or MS Degree and 2+ years of technical work experience, or High school diploma and 8+ years of technical work experience. + Experience in Python or C/C++ programming languages + Experience with troubleshooting and debugging Preferred Qualifications: + Experience with networking protocols (TCP/IP) and socket-level programming + Experience with developing CNO capabilities + Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices) + Experience in software analysis or reverse engineering + Experience using Atlassian tools (JIRA, Confluence, Crucible) + Understanding of assembly language programming concepts + Understanding of 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 at least 50% of the time.MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.

Created: 2026-02-23