Senior CNO Software Engineer

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team in Hanover, MD. In this role, you will develop 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 capabilitiesManage the design, development, documentation, testing, and debugging of applications software and systemsApply expert knowledge of security concepts and network technologiesDevelop data queries for existing or proposed databases or data repositoriesDevelop or implement algorithms to meet or exceed system performance and functional standardsMinimum Qualifications:BS Degree in a technical discipline and 14+ years of technical work experience or High School Diploma and 18+ years of technical work experienceExperience in Python or C/C++ programmingExperience with troubleshooting and debugging complex systemsExperience 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 programmingExperience with developing CNO capabilitiesExperience with leading the development of technical CNO solutionsPreferred Qualifications:Experience with programming in assembly languagesExperience in software analysis or reverse engineeringExperience with unit testing frameworks and practicesExperience 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 requiredPhysical Requirements:Must be able to remain in a stationary position 50% of the time

Created: 2026-03-05