John Oliver
San Diego, CA.
(619) 244-2741
joliver@john-oliver.net

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Status: Unavailable, starting a new position as of March 18, 2008

Summary of Qualifications: Twelve years of experience in the IT industry, progressing from help desk to senior support and systems administration roles involving dozens of hosts and thousands of users. Excellent communication and people skills and very customer service oriented. Very strong with Red Hat-ish Linux and TCP/IP networking. Familiar and comfortable with Windows and Cisco IOS on Layer 2 switches and smaller routers.

Experience:

Systran Software, Inc. ( 09/06 to 03/08 )
Systems Administrator

Administered 30 Dell PowerEdge servers (x6xx through x9xx) running Red Hat Enterprise Linux, as well as several Dell managed switches, Cisco 28XX routers, and Cisco PIX / ASA firewalls. Deployed VMware Server to greatly increase server utilization and decrease hardware requirements. Migrated legacy services to virtual machines. Built new colocation environment and migrated web services from old facility. Assisted users with Linux, networking, and Windows issues.

Bedinger Group, Inc. ( 10/00 to 10/07 )
Consultant

Grew network from one Windows NT 4.0 Server to several Windows 2000/2003 Servers and Red Hat Linux servers providing IIS/ASP/Cold Fusion web hosting, DNS, and email. Managed SonicWall PRO 200 firewall.

Impact Engine, Inc. ( 04/06 to 07/06 )
Systems Administrator

Administered twelve HP Proliant servers (DL360 and DL380) running CentOS Linux with Systems Insight Manager. Built clustered content server based on LVS and IPVS to handle projected web server load of several million hits per day and stringent uptime requirements. Managed several Cisco 29XX switches.

Amarx Search, Inc. ( 02/04 to 07/05)
Production Technologist

Mastered CDs of documentation and microcode for Hitachi enterprise storage arrays. Tested software and microcode under Windows, Red Hat Linux, Solaris, AIX, HP-UX.

American Internet Services ( 07/03 to 12/03 )
Technical Support Manager

Managed 24/7/365 call center and OCC. Responsible for staffing and scheduling for up to fifteen full-time equivalent positions, call escalation, and senior level troubleshooting for all network issues, including dialup, DSL, T1, and colocation.

Indyme Electronics, Inc. ( 11/02 to 03/03 )
Linux Consultant

Built network of fifteen Red Hat Linux 8.0 servers to provide web and database services, data collection, and reporting for nationwide network with well-known national retailers. Provided senior-level troubleshooting and resolution of network issues. Involved in redesign of internal network using Cisco 6000 series catalyst switch. Reviewed specifications and proposals to replace existing client connectivity consisting of POTS, ISDN, and point-to-point T1s with a single, integrated solution. Implemented NFS and Samba/Winbind for cross-integration with Windows domain, and deployed amanda for critical systems backups.

PACS Pro, Inc. ( 04/02 to 08/02 )
Systems Administrator

Responsible for Linux servers, network engineering, and managing over fifty Cisco, SonicWall, and other assorted routers and VPN concentrators/endpoints. Senior level of escalation for routing, TCP/IP, UNIX, and cores services issues. Assessed network and computer security issues; recommended and implemented solutions; and proactively monitored network for and responded to possible intrusions.

hosting.com ( 03/00 to 04/02 )
Systems Administrator

Responsible for approximately thirty Solaris, Red Hat Linux, and FreeBSD servers. Acted as hostmaster for approximately 10,000 domains under four BSD/Linux servers running ISC bind. Managed several Linux and Solaris servers providing email service (via sendmail and qmail) and web hosting (Apache). Acted as lead for technical support staff. Responded to abuse and security incidents. Involved in all aspects of running the data center.

Robert Half Technology ( 04/99 to 03/00 )
Senior Desktop Support Specialist

Supported approximately 150 users, mostly mechanical & electrical engineers, in a Windows NT 4.0 environment with some HP-UX. Duties included providing support to all users, including engineers and executives; as well as specifying, ordering, and configuring new systems.

Abtech Systems, Inc. ( 02/98 to 02/99 )
Network Administrator

Provided desktop support to approximately 100 users. Installed Red Hat Linux server that provided NAT service to users, a sendmail relay, and MRTG monitoring of vital statistics for six Windows NT 4.0 Servers.