CNO Software Tester

General information Requisition # R67309 Locations USA-MD-Hanover Posting Date 04/28/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH! 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 capabilities Independently contribute to the testing and debugging of application software and systems 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 technical work experience or High School Diploma and 11+ years of technical work experience Experience in Python programming Experience with Bash scripting Experience with Docker and VMWare Experience with Linux command-line operations

Preferred Qualifications:

Experience troubleshooting and debugging complex systems Experience with Ansible Experience with networking (TCP/IP) and socket-level programming Experience with unit testing and test automation Familiarity 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 The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH 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 careers@mantech.com and provide your name and contact information.