Expert CNO Software Engineer

General Information

Requisition #: R68727

Locations: USA-MD-Hanover

Posting Date: 06/16/2026

Security

Clearance Required:

TS/SCI w/ Poly

Remote Type:
Onsite

Time Type:
Full time

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 highly technical and mission-focused Expert 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.

• 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

• 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

• 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)

• 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 $-$. In addition, MANTECH invests in employees beyond just compensation. Benefits offerings include 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.