Senior CNO Developer

General information

Requisition #


R68817


Locations


USA-MD-Annapolis Junction


Posting Date


06/26/2026


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 motivated, career and customer-oriented Senior CNO Developer to join our team in Annapolis Junction, MD.

Responsibilities include but are not limited to:

• Develop custom cyberspace capabilities based on operational requirements and vulnerability research findings
• Write, test, and maintain code for operational tools, exploits, post-exploitation frameworks, and automation systems, implementing operational security (OPSEC) controls in capability design including anti-analysis, evasion, and attribution management
• Collaborate with vulnerability researchers to weaponize discovered vulnerabilities into operational capabilities and integrate capabilities with existing operational infrastructure, data pipelines, and deployment systems
• Conduct unit testing, integration testing, and operational validation of developed capabilities and work with infrastructure developers to ensure capabilities deploy reliably across cloud and traditional environments
• Refactor and maintain legacy capabilities to address target environment changes and operational feedback
• Document capability functionality, usage, limitations, and OPSEC considerations for operators
• Participate in operational readiness exercises and capability demonstrations

Minimum Qualifications:

• Bachelor's Degree and 9+ years of experience OR High School Diploma/GED and 13+ years of experience OR Associate's degree and 11+ years of experience OR Master's Degree and 7+ years, OR a PhD with 5+ years of progressively responsible experience.
• 3+ years software development experience, preferably in offensive / defensive cyberspace operations
• Expert proficiency in compiled languages (C, C++, Rust, or Go)
• Strong proficiency in scripting languages (Python, PowerShell, Bash)
• Demonstrated experience developing capabilities for Windows and Linux target environments
• Understanding of exploitation techniques and post-exploitation workflows
• Familiarity with operational security considerations in capability development (evasion, anti-forensics, attribution)

Preferred Qualifications:

• Experience developing capabilities for MacOS, mobile (iOS, Android), or embedded platforms
• Knowledge of containerization and capability packaging (Docker)
• Understanding of encryption protocols and cryptographic implementations
• Experience with cross-platform development and build systems (CMake, Makefile)
• Bachelor's Degree in Computer Science, Software Engineering, or related technical field (or equivalent experience). Previous work supporting CNO / OC missions

Clearance Requirements:

• An active TS/SCI with Polygraph is required.
• Must be a U.S. citizen.

Physical Requirements:

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

• Needs to occasionally move about inside the office to access file cabinets and office machinery.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $114,600.00-$190,200.00. 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 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 View email address on click.appcast.io and provide your name and contact information.