Expert CNO Software Engineer

MANTECH seeks a highly technical and mission-focused Expert CNO Software Engineer to join our team in Aurora, CO. In this role, you will develop advanced CNO capabilities that directly support national security. Youu2019ll work in a collaborative environment focused on solving complex technical challenges in support of our customeru2019s most critical missions. Responsibilities include but are not limited to: + Design and develop new hardware- or software-based CNO capabilities + Manage the design, development, documentation, testing, and debugging of applications software and systems + Apply expert knowledge of security concepts and network technologies + Develop data queries for existing or proposed databases or data repositories + Develop or implement algorithms to meet or exceed system performance and functional standards Minimum Qualifications: + BS Degree in a technical discipline and 20+ years of technical work experience or High School Diploma and 24+ years of technical work experience + Experience in Python or C/C++ programming + Experience with troubleshooting and debugging complex systems + Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices) + Experience with networking protocols (TCP/IP) and socket-level programming + Experience with developing CNO capabilities + Experience with managing and leading the development of technical CNO solutions and development teams Preferred Qualifications: + Experience with programming in assembly languages + Experience in software analysis or reverse engineering + Experience with unit testing frameworks and practices + Experience using Atlassian tools (JIRA, Confluence, Crucible) 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 timeMANTECH 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: 2026-03-11