MANTECH is seeking a CNO Software Developer to support national security missions from Columbia, MD (onsite).

Lead architectural design and lifecycle management of CNO capabilities, including best practices for code quality, CI/CD pipelines, and automated testing to support mission readiness and operational efficiency.
Serve as the primary technical liaison between operational stakeholders and software teams, converting mission requirements into actionable, prioritized technical roadmaps aligned with P.I. goals.
Act as a Subject Matter Expert (SME) in defensive engineering and detection mechanics; guide the integration of telemetry and validation environments to improve offensive-cyber testing accuracy.
Mentor junior staff on low-level debugging, reverse engineering, and secure coding, and develop training materials that connect complex capability frameworks to end-user operational use.
Coordinate rapid triage and remediation across multi-disciplinary groups, working with mission analysts and vulnerability researchers to refine deployed capabilities and maintain alignment with evolving mission needs.

Bachelor’s Degree in Computer Science or a related technical field (e.g., Information Systems, Network Engineering) from an accredited college or university.
5+ years of technical work experience in cyber software engineering or specialized technical roles. A Master’s degree in a relevant discipline may be substituted for 2 years of experience.
2+ years experience leading technical initiatives, engineering workflows, or serving as a Tech Lead across multiple simultaneous software development projects.
Programming experience in C, C++, Go, Java, or Python.

Networking experience (TCP/IP) and socket-level programming.
Containerization experience with Docker and Podman, plus orchestration tool exposure.
Hands-on virtualization experience with ESXi, QEMU/KVM, VirtualBox, and Hyper-V, and infrastructure-as-code experience with Vagrant, Terraform, and Ansible.
Experience setting up automated testing and CI/CD pipelines designed for restricted software development environments.
Ability to communicate complex technical requirements, system architecture, and operational mission requirements to both technical teams and non-technical leadership.
Ability to translate advanced capability frameworks into training curricula that are effective across customer audiences with varying technical backgrounds.
Experience with low-level platform internals for one or more environments (Windows, Unix, mobile, or network devices).
Experience using reverse engineering tools (IDA/Ghidra).
Atlassian Tools experience (Confluence, Jira, Crucible).
Knowledge of CNO environment.
Strong problem-solving, troubleshooting, and debugging experience.

CNO Software Developer

Job Description