• Develop and sustain legacy software systems, including models, interfaces, and operational components. • Ensure continued operational support for all training, simulation, and stimulation artifacts. • Implement and manage software updates, including change requests (CRs), defect reports (DRs), GitLab ticket resolutions, user-driven priorities, urgent exercise-related fixes, operating system updates, and fielding modifications. • Design and architect legacy system fielding and integration support, including ASCCE and Federation components. • Provide engineering support for transitioning legacy system attributes marked for modernization or migration. • Collaborate with Government Program Managers and Contractor teams to ensure technical alignment and mission success. • Apply experience with cloud-based services (e.g., AWS, Microsoft Azure) and RESTful architectures to legacy environments. • Support simulation training and military mission planning efforts, particularly in coordination with Air Operations Centers (AOCs).