Jeff Hodge Email and Phone Number

Duties: Incident management - detection, triage, resolution, remediation Training techs and admins Implementing infrastructure to help reduce TTD and TTR Troubleshooting/problem analysis of any technical, security, or other customer impacting flaws Root cause analysis of such incidents and flaws

Duties:• Incident management - detection, triage, resolution, remediation • Troubleshooting/problem analysis of any technical, security, or other customer impacting flaw • Root cause analysis of such incidents and flaws • Use python to script out methods to simplify team operations (in my current position this mostly involves visibility of the Twitter infrastructure and integration with monitoring and issue-tracking systems)

Cluster administration:-configuration management-deploy automation-storage-troubleshootingDeveloped and worked with automated tools utilizing:-anaconda-puppet-python-perl-bash

Duties:-Validate, implement, and maintain a stable infrastructure across a large customer base-Coordinate the efforts of administrators and technicians at several remote sites-Develop and maintain documentation of procedures and best practices-Troubleshoot mission critical hardware and applications-Develop expertise regarding and take control of various HP platforms including Linux servers and DAS equipment-Assist and train level 2 support technicians in the execution of their duties-Assist with configuration management and advise engineers regarding clustered systems

Duties:-Perform regular system maintenance duties on various servers in a web hosting environment-Perform upgrades and major configuration changes-System administration of servers using the Red Hat (RHEL) 3, 4, and 5 operating systems-Implementation and maintenance of various services including NIS, SAMBA, HTTPD (Apache), DNS (BIND), NFS, MySQL, Sendmail, Postfix, Dovecot, PHP, etc.-Configuration management using puppet, func, and; tools across large clusters-Create scripts and tools to help automate various aspects of system management-Assist with RPM maintenance and management-Plan, coordinate, and execute critical maintenances in a high availability environmentAccomplishments:-At Rackspace I passed the RHCE exam for RHEL 5.-Assisted in the identification and elimination of multiple security risks and attacks.-Upgraded and replaced various aspects of the configuration management system for multiple large clusters.-Built helpful tools to assist with fixing and maintaining database replication across large clusters.-Identified and corrected a good number of major configuration issues which would have caused down time or data loss.

Duties:-Implement OpenNMS network management system across several servers-Assist in data center migration-General system administration of Debian servers including LDAP, Samba, NFS, and MySQLAccomplishments:-While working for CHG Healthcare I successfully implemented the OpenNMS network management suite across a large network consisting of various OS platforms and server architectures

Maintained a multi-million dollar 256 mixed-node Linux cluster consisting of the following:• Opteron (single and dual core) and Xeon processors• Myrinet, Infiniband, and GigE interconnects• 30 TeraByte DDN SAN • SLES9, SLES10, and RHEL4 Linux distributions• Clusterworx cluster management system• GPFS, GFS, and NFS file systems• NIS user management• Xarkeia tape backup software and 2 TB tape backup drive• RAID5 management host• mvapich, mpich, mpich-gm, and scali interconnects• Multiple versions of the Intel, PGI, Pathscale, and GCC compilers• Developed and maintained Bash scripts to automate various administrative duties• Setup, configured, and maintained PBS Pro batch scheduling system• Maintained regular backups of system critical software and data• Helped maintain multiple images for the different node types and builds • Maintained a MySQL database and a PHP Wiki running over an Apache2 web server• Integrated Linux operating system and necessary software on various clusters• Trained customers and employees in administration and integration of clusters• Compiled and installed various 3rd party software for use on Linux clusters including Ansys CFX, LSDYNA, StarCD, and others• Measured system performance using individually compiled benchmarks including HPL, IO-zone, IMB, and others• Utilized distributed shell utilities to manage multiple nodes at once Accomplishments:• Took primary roles in the integration and installation of several million dollars worth of equipment and software. • Took the lead in improving various internal processes and implementing software on internal systems (this includes PBS Pro and an internal documentation Wiki

Duties:-Installed, configured, and maintained SCO5.x Unix and Windows 2000 and 2003 servers-Assisted in the administration and support of Linux servers-Setup and maintained client systems (windows 9x,Me,NT,2000,XP)-Trained customers in the usage of servers, clients, and software-Resolved any issues associated with Unix and Windows servers-Assisted in configuring networks for powersports dealers-Installed, configured, and maintained cash drawers, printers, and bar code scanners-Programmed bar code scanners to interact properly with inventory management software-Traveled to customer sites to install and repair systems (SCO Unix and Windows)-Data recovery-Installed and maintained dealer management software for Unix, Windows, and Linux servers-Maintained regular tape and dvd backupsAccomplishments:-Participated in various projects to improve aspects of the support organization.-Took the lead in certain projects including the development of a method to rapidly deploy the SCO Unix operating system and restore all backed up customer data in the event of a catastrophic system failure. This project greatly helped reduce time required to bring customers back to full production after a system failure.

Duties:-Hub/Switch/Router Technician Supporting Nortel Networks and Netgear Equipment-Worked with switches, hubs, routers, nics, etc to help customers set up lans and wans-Utilized network management software in Linux and Windows -Worked in a lab to recreate and experiment with several different network environments-Interacted with other technicians to resolve complex issues-Assisted in designing and securing networks-Utilized ssl concentrators, vpn endpoints, and firewalls such as Checkpoint to secure offices and other organizationsAccomplishments:-Took the lead in developing a support structure for the Alteon load balancing device. This included developing a training curriculum and setting up a lab to reproduce various network scenarios.

Duties:-Trained and helped support representatives-Resolved escalated issues-Supported all aspects of desktop systems including the tower and all related components, monitor, peripherals, and all software - includes Linux, Windows 95, 98, ME, NT, 2000, and Office