Expert CNO Developer

General Information

Requisition # R63733 Locations USA-MD-Hanover Posting Date 10/10/2025 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 innovative Expert 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.
 

Responsibilities include but are not limited to:

• 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

Minimum Qualifications:

• High school diploma and 16+ years of technical work experience, or BS degree and 12+ years of technical work experience, or MS Degree and 10+ years of technical work experience, or PhD and 8+ 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

Preferred Qualifications:

• 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)

Clearance Requirements:

• An active/current TS/SCI with ability to obtain a Polygraph

Physical Requirements:

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

The projected compensation range for this position is $175,800.00-$312,200.00. 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 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.

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.