CNO Software Tester

MANTECH seeks a skilled and mission-focused CNO Software Tester to join our team in Hanover, MD. In this role, you will contribute to the testing of advanced software-based 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, develop, and execute test procedures for software-based CNO capabilitiesIndependently contribute to the testing and debugging of application software and systemsApply knowledge of security concepts and network technologiesEnsure software engineering standards are consistently met Minimum Qualifications: BS Degree in a technical discipline and 7+ years of technical work experience or High School Diploma and 11+ years of technical work experienceExperience in Python programmingExperience with Bash scriptingExperience with Docker and VMWareExperience with Linux command-line operations Preferred Qualifications: Experience troubleshooting and debugging complex systemsExperience with AnsibleExperience with networking (TCP/IP) and socket-level programmingExperience with unit testing and test automationFamiliarity with Atlassian tools such as JIRA, Confluence, and Crucible Clearance Requirements:Must have a current/active TS/SCI w/Polygraph security clearance Physical Requirements:Must be able to remain in a stationary position 50% of the time

Created: 2026-04-28