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.