CNO Developer

About the role

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

Responsibilities

• 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.
• Implement 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.
• 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 4+ years experience OR High School and 8+ years experience OR Associates and 6+ years experience OR Master's and 2+ years experience OR PhD and 0+ years of progressively responsible experience.
• 3+ years software development experience, preferably in offensive / defensive cyberspace operations.
• Proficiency in compiled languages (C, C++, Rust, or Go).
• Proficiency in scripting languages (Python, PowerShell, Bash).
• Familiarity with operational security considerations in capability development (evasion, anti-forensics, attribution).

Preferred Qualifications

• Demonstrated experience developing capabilities for Windows and Linux target environments.
• Understanding of exploitation techniques and post-exploitation workflows.
• 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.