Senior CNO Developer

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MANTECH seeks a skilled and innovative Lead CNO Developer to join our team in Hanover, MD. In this role, you will contribute to the development of mission‑critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). You’ll be part of a dynamic team working on next‑generation solutions that safeguard national security systems.

• Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities
• Managing the design, development, documentation, testing, and debugging of software applications and systems
• Applying expert knowledge of network and security concepts to support capability development
• Communicating status updates and technical progress to leadership and stakeholders
• Ensuring software quality and compliance with development standards

• High school diploma and 12+ years of technical work experience
• BS degree and 8+ years of technical work experience
• MS degree and 6+ years of technical work experience
• PhD and 4+ years of relevant experience
• Experience in Python and C/C++ programming languages
• Experience with troubleshooting and debugging
• 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 in managing and leading development teams

• Experience in software analysis or reverse engineering
• Understanding of assembly language programming concepts
• Familiarity with unit testing frameworks and practices
• Experience using Atlassian tools (JIRA, Confluence, Crucible)

• An active/current TS/SCI with Polygraph is required.

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

The projected compensation range for this position is $-$. 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 International Corporation 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.