Global CrossingSenior VOIP UNIX Systems Engineer
Aug. 2000 - Aug. 2004Denver, ColoradoProvide system support for over 200 UNIX servers on a global scale, conducting initial builds, deployment, troubleshooting and monitoring. Maintain server uptime and track failures, upgrading software, patches, and firmware. Act as technical lead in the augmentation of NFS servers, handling scheduling, resource procurement, and installation. Software and OS system security, and firewall administration. • Created remote procedure for independent upgrade from Solaris 2.6 to 2.8, resulting in decreased shipping and labor costs.
• Firewall administration using both Checkpoint Firewall-1 on Solaris and IP Tables on Debian Linux.
• Authored documentation and method of procedures for system change maintenance.
• Liaised with switch technicians to troubleshoot and resolve site problems.
• Coordinated solutions for escalated system problems with technical support.
• Built images and operating systems for the testing group.
• Reconfigured network monitoring application to notify via page regarding server problems.
• Initiated jump-start server to add new machines more efficiently.
• Demonstrated reliability and ability to learn quickly in rapid growth from PC technician responsibilities to senior level UNIX administration.