Teams at Sigma Defense Systems LLC

Develop and execute comprehensive testing for high-availability Navy network architectures, including functional, integration, regression, system, and performance testing. Configure and troubleshoot network equipment, services, VLANs, routing, WAN connectivity, wireless, firewalls, VoIP, and NTP. Document defects, analyze failures, support root-cause analysis, validate security STIGs, maintain technical documentation and automation scripts, and participate in shipboard testing and production installations. Collaborate with systems, software, and cybersecurity engineers to deliver secure, resilient network operations.

Design, build, secure, automate, and operate enterprise Kubernetes infrastructure on Azure, primarily AKS. Responsibilities include cluster architecture, Terraform and Bicep infrastructure as code, Helm and GitOps deployments, networking, identity, RBAC, secrets management, observability, security, resiliency, backup, recovery, lifecycle management, and technical mentorship.

Supports the engineering, modernization, integration, testing, deployment, and troubleshooting of ship-to-shore government networks. Configures Cisco switches, Palo Alto firewalls, and TACLANE devices; maintains network security, routing, switching, and port security; supports LAN/WAN and software-defined networking architecture; conducts interoperability testing and regression testing; reviews technical documentation; and coordinates deployments, system compliance, and integration plans with engineers, administrators, and government stakeholders.