Software Engineer - Software Defined Networking (SDN)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer - Software Defined Networking (SDN) based in United States. This role offers the opportunity to modernize and secure a critical software-defined networking capability supporting demanding mission environments. You will work at the intersection of software engineering, Linux systems, networking, security, and DevSecOps. Your focus will be on assessing an unfamiliar codebase, strengthening its architecture and security, and establishing a reliable software baseline for long-term sustainment. You will work hands-on with source code, build systems, dependencies, testing frameworks, runtime behavior, and open-source integrations. The role also involves diagnosing complex issues across application and network boundaries while collaborating closely with platform engineers and government stakeholders. You will help introduce disciplined engineering practices around testing, release readiness, documentation, and automated security while leveraging AI-enabled development tools. This is an ideal opportunity for a technically strong engineer who enjoys solving complex systems problems and delivering secure, maintainable software in a mission-driven environment.