Monitor and maintain mission-critical systems, enterprise services, and networking infrastructure across multiple physical sites and disparate networks. Serve as the Tier III support to escalate and resolve technical issues on operational network environments. Support problem management resolutions by tracking system-wide problems on operational networks and work with engineering support, including network engineering, systems engineering, catapult operations, and desktop engineering, to see problem troubleshooting through to resolution. Support the operation and maintenance of critical Windows and Linux systems to maintain operational availability and an excellent security posture through system configuration and patching or STIGs maintenance. Conduct firewall changes, create or troubleshoot F5 iRules, create and modify DNS entries, manage port security, and provide real-time monitoring of network systems and computer assets through SolarWinds. Log all incidents, requests, questions, tasks, and projects in BMC Remedy, apply thorough diagnostic techniques to identify problems, investigate causes, recommend solutions on the operational mission infrastructure, create and maintain comprehensive documentation for all troubleshooting procedures, and move or replace IT equipment to support office moves, new system requirements, and malfunctioning devices, as necessary.

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