Senior CNO Developer

MANTECH•Annapolis Junction, MD

37d•$114,600 - $190,200•Onsite

About The Position

MANTECH seeks a motivated, career and customer-oriented Senior CNO Developer to join our team in Annapolis Junction, MD. This role involves developing custom cyberspace capabilities based on operational requirements and vulnerability research findings. The developer will 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. Collaboration with vulnerability researchers to weaponize discovered vulnerabilities and integrate capabilities with existing operational infrastructure is key. The role also includes conducting unit testing, integration testing, and operational validation, as well as refactoring and maintaining legacy capabilities. Documentation of capability functionality, usage, limitations, and OPSEC considerations is required, along with participation in operational readiness exercises and capability demonstrations.

Requirements

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

Nice To Haves

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

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, 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