• Install, configure, test, deploy, update, and patch DTMO Government Off-The-Shelf (GOTS) and Commercial Off-The-Shelf (COTS) applications on Windows platforms • Troubleshoot application issues and respond to user inquiries, ensuring timely resolution and system availability • Perform routine application maintenance, including reviewing error logs, diagnosing issues, and implementing corrective actions • Configure user access controls and monitor application stability, performance, and security throughout the software life cycle • Support logging and monitoring tools that capture security events and integrate with DMDC-approved monitoring systems • Coordinate with DMDC IT System Administrators to resolve infrastructure-related issues affecting application performance and availability • Provide technical support and guidance to DTMO users, system administrators, and IT leadership • Support external system connectivity, including white listing activities, port and protocol configuration, submission requests, and validation processes • Develop and maintain technical documentation, including network diagrams, standard operating procedures (SOPs), and port and protocol inventories • Support Governance Board processes, including preparation of documentation, change request reviews, level-of-effort estimates, impact assessments, and stakeholder coordination • Participate in disaster recovery testing to ensure restoration of DTMO enterprise services, including the DTMO Passport website • Restore normal operations following incidents, conduct root cause analysis, and apply ITIL best practices for incident and problem management • Monitor production systems and respond to outages within established service-level requirements, including notifying the government IT manager within 10 minutes of detection