Defense Unicorns

Software Engineer - Software Defined Networking (SDN)

Defense Unicorns
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9 hours ago
Remote, United StatesSenior

Base Salary

$149k - $201k/yr

Responsibilities

  • Assess the SDN codebase, including architecture, builds, dependencies, runtime components, tests, security posture, and upstream open-source relationships.
  • Implement secure and maintainable changes that remediate vulnerabilities, improve resilience, and preserve traceability across upstream, government-owned, configured, and locally patched software.
  • Develop unit, integration, end-to-end, regression, failure-mode, and chaos-oriented tests.
  • Use AI-enabled tooling to maintain and develop the SDN application codebase.
  • Debug application, Linux, and network behavior involving 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 remediation.
  • Support lab validation, demonstrations, release acceptance, technical documentation, architecture and code reviews, stakeholder communication, and engineering mentorship.

Requirements

  • 5+ years of software engineering experience with proficiency in C++, Python, and Bash scripting.
  • 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, remediation, and comprehensive testing.
  • Working knowledge of containers, version control, build automation, CI/CD, registries, observability, and modern release practices.
  • Strong problem-solving, communication, documentation, technical assessment, design document, and runbook skills.
  • U.S. citizenship and an active U.S. Government SECRET security clearance or higher are required.
  • Preferred qualifications include SDN, network orchestration, routing, virtual network functions, network appliances, network-control software, containerization, upstream open-source maintenance, agentic AI-assisted engineering, Kubernetes, Helm, GitOps, OCI artifacts, SAST, DAST, software composition analysis, SBOMs, container scanning, STIGs, resilience or chaos engineering, observability, and VM-to-container modernization experience.

Benefits

  • Remote work in the USA.
  • Medical, dental, and vision coverage with premiums 100% company paid.
  • Health savings account, life insurance, and disability insurance.
  • 401(k) retirement plan, company stock options, and home office budget.
  • Flexible Time Off, federal holidays, one week for Thanksgiving, and two weeks for Christmas and New Year's.
  • Paid parental leave.
  • Reimbursement for approved training and subscriptions, plus conference travel, lodging, and fees.
Defense Unicorns

About Defense Unicorns

201-500 employees

Defense Unicorns builds platform software and services that streamline secure, cloud-native delivery for defense and federal programs, with emphasis on DevSecOps, Kubernetes, and air‑gapped environments. It provides software and professional services under government contracts to deploy open-architecture platforms and CI/CD pipelines across classified and disconnected systems. Founded in 2021 and headquartered in Colorado Springs, the privately held company serves U.S. defense and national security agencies.

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