Junior Systems Administrator
Falls Church, Virginia
- Coordinated efforts between production and test sites and production sites in Europe, across the U.S. and in the Pacific to troubleshoot urgent production issues. - Remotely assisted efforts of production sites by providing instructions to fix or maintain their equipment based on vendor documentation and provided log data. - Wrote, performed, verified, and corrected Change Requests for maintenance for a McAfee e- Policy Orchestrator Server (ePO) to prevent DoS attacks and maintain CM. - Maintained Windows and Linux OCSP enclaves, troubleshooting problems with Operating systems, applications, F5 Big IP devices, and HSM devices for projects with extremely high customer visibility. - Maintained and rebuilt Certificate Authorities and their associated equipment, including re-configuring Cisco ASA 5505s, 3750s, and 5540s. - Read physical network diagrams and used them to troubleshoot networking issues. - Performed troubleshooting and maintenance on Cisco networking equipment, upgraded networking equipment BIOS versions, and updated configuration profiles. - Performed infrastructure upgrades at multiple locations on foreign and domestic customer locations. Assisted in resolving networking issues at customer locations. - Wrote, performed, verified, and corrected Change Requests for maintenance for Windows systems (Server 2003 and Server 2008r1). - Performed, verified, and corrected Change Requests for maintenance for Linux and Solaris systems.