Software Engineer - Software Defined Networking (SDN)

Role Description:

Responsibilities:

• The listed responsibilities are not exhaustive and additional responsibilities may be assigned based on the evolving needs of the organization. We are seeking a dynamic individual who is able to adapt and take on new responsibilities as they arise.
• Own the technical assessment of an SDN codebase, including architecture, build process, dependency evaluation and management, runtime components, test coverage, security posture, and upstream open source relationships.
• Design and implement secure, maintainable changes that remediate vulnerabilities, improve resilience, and preserve traceability between upstream software, Government-owned code, configurations, and local patches.
• Develop trustworthy unit, integration, end-to-end, regression, and failure-mode tests for hardening and modernization changes.
• Institute AI-enabled tooling to enable the hardening and maintenance of the SDN application codebase.
• Debug complex behavior across application, Linux, and network boundaries, including traffic flows, routing, segmentation, identity, failover, telemetry, and performance.
• Partner with platform engineers on container readiness, packaging, CI/CD, deployment workflows, and automated security scanning while owning code-level triage and remediation.
• Support lab validation, demonstrations, release acceptance, and conversion of operational findings into durable fixes and regression tests.
• Produce clear technical documentation, participate in architecture and code reviews, communicate tradeoffs to stakeholders, and mentor other engineers.

Basic Experience and Qualifications

• 5+ years of software-engineering experience, proficiency in C++, Python and Bash scripting, and demonstrated ownership of production or legacy codebases.
• Strong Linux fundamentals, including services, processes, permissions, logging, package management, and command-line troubleshooting.
• Strong networking fundamentals, including TCP/IP, routing, DNS, TLS, segmentation, interfaces, policy enforcement, and traffic analysis.
• Experience with secure software development, dependency management, vulnerability triage, patching, code review, and remediation.
• Strong testing discipline across unit, integration, end-to-end, and regression testing.
• Working knowledge of containers, version control, build automation, CI/CD, registries, observability, and modern release practices.
• Strong problem-solving, communication, and documentation skills, including design documents, technical assessments, and runbooks.
• U.S. citizenship and ACTIVE US Government SECRET security clearance or higher.

Preferred Experience and Qualifications:

• Experience developing or sustaining SDN, network orchestration, routing, virtual network functions, network appliances, or other network-control software.
• Experience containerizing VM-based or monolithic software and maintaining upstream open source integrations, forks, or patches.
• Strong familiarity with agentic AI-assisted engineering tools and workflows for maintaining and developing software products, accelerating codebase analysis and remediation, and supporting automated resilience, failure-mode, and chaos testing.
• Familiarity with Kubernetes, Helm, GitOps, OCI artifacts, and/or software delivery.
• Experience with SAST, DAST, software composition analysis, SBOMs, container scanning, STIGs, and automated security checks.
• Experience with performance, resilience, or chaos engineering and observability for distributed or networked systems.
• Experience modernizing and migrating applications from virtual machine-based environments to containerized deployments.