Teams at Sigma Defense Systems LLC

Develop, test, and maintain desktop and web applications, backend services, and hardware-integrated systems using C++, Python, JavaScript/TypeScript. Implement networking (TCP/IP, UDP, WebSockets, gRPC), REST APIs, databases, and Protocol Buffers. Support system integration, field testing, customer demos, documentation, and troubleshooting within a small engineering team.

Lead and manage BMD program training configuration, operation, maintenance, and management for TTGP. Provide BMD SME support, develop scenarios/scripts, configure/operate simulations, supervise combat systems teams, and perform project planning to deliver Fleet Synthetic Training to ships.

Provide network engineering and sustainment for CTU 4 tactical systems supporting Navy afloat operations. Maintain, configure, and troubleshoot CANES/NIPR/SIPR enclaves, virtualized environments, and cross-domain interfaces; perform patching, RMF/STIG compliance, vulnerability remediation, and system testing. Coordinate with NIWC, TYCOM, and shipboard personnel, support pier-side and underway testing, produce technical documentation, and assist automation and DevSecOps-aligned hardening where applicable.