CNO Software Engineer

General Information

• Requisition #: R68758
• Locations: USA-MD-Hanover
• Posting Date: 06/16/2026
• Security
  
  Clearance Required:
  
  TS/SCI w/ Poly
• Remote Type:
  Onsite
• Time Type:
  Full time

MANTECH seeks a skilled and mission-focused CNO Software Engineer to join our team in Hanover, MD.

In this role, you will contribute to the development of 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.

• Design and develop new hardware- or software-based CNO capabilities
• Assist with the design, development, documentation, testing, and debugging of applications software and systems
• Develop data queries for existing or proposed databases or data repositories
• Apply knowledge of security concepts and network technologies
• Ensure software engineering standards are consistently met

• BS Degree in a technical discipline and 7+ years of experience in software development or software engineering, or High School Diploma and 11+ experience in software development or software engineering
• Experience in Python or C/C++ programming
• Experience with troubleshooting and debugging systems

• Experience with analyzing user requirements to derive software design and performance requirements
• Experience in software analysis or reverse engineering
• Understanding of assembly programming concepts
• Understanding of CNO development concepts
• Familiarity with unit testing frameworks and practices

• 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

• Must be able to remain in a stationary position 50% of the time

The projected compensation range for this position is $-$. MANTECH invests in its employees beyond just compensation. 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 and 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  and provide your name and contact information.