1. 2/2001 – 3/2003 Ameren Services, St. Louis, MO
Title: OPERATING SYSTEMS ADMINISTRATOR
 Primary responsibilities were to finish the implementation and support of the Customer Service System
(CSS), from a mainframe environment to a MC/Service Guard clustered environment using HP V2600
and V2500 servers; the system handles Ameren’s’ entire Customer Billing, Gas Meter Reading, and
Customer Call Center activity.
 Planned, implemented, and supported the installation of a new SAN environment for all of Ameren
Services.
 This was a switched fabric environment using EMC’s Connectrix product utilizing 4-32 port Connectrix
switches (McData), and 2-16 port Brocade Silkworm switches. An IBM Mainframe was also connected
using ESCONchannels.
 EMC frames included Symmetrix series 8730 (20TB), 8530 (14TB) and 3930 (8TB).
 Installed and configured and EMC Clariion CX600 series array.
 Symmetrix series arrays were in an M1/M2 (Raid 1) configuration and the Clariion was setup as a Raid
5 configuration.
 All servers and FA’s to storage arrays were zoned and had full redundancy to avoid a single point of
failure.
 Installed and utilized EMC Control Center 5.1.
 Installed all software and agents onto all of the above mentioned platforms and assisted in configuring
any system files requiring changes to support the EMC drives and SAN environment.
 Kept administrators advised of new HBA drivers and firmware changes as needed.
 Configured BCV’s (Business Continuity Volumes) to support quick recovery of the Customer Service
System.
 Wrote scripts to take production snapshots twice a day on the production server.
 Set up a second set of BCV’s that ran weekly to create a snapshot of the CSS production database
that was then mounted to the Support and Development server.