Unix System Administrator
Optimized resource utilization and minimized response time after building 14 SUN V440 servers and employing load-balancing techniques to distribute the workloads of various SAP systems to the least busy servers.Developed standard procedures for installing, upgrading, backing up and maintaining servers as well as written documentation that specified enterprise, client, security and Service Level Agreement (SLA) requirements.Successfully built 4 large domains on 2 SUN E10K frames in less than 3 weeks while serving as sole project leader tasked installing applications, setting data permissions and enabling SUDO access in collaboration with team of CAD, Sybase and Oracle database administrators.Facilitated system administration support efforts after utilizing Solaris Jumpstart to roll out new server builds and developing automation script to setup network and file system layouts as a one-step process.Increased CPU utilization and system performance without purchasing more hardware, software and licenses after repurposing servers that resided on E10K, E450 and E250 platforms to F15K, F12K and V400 series.Improved storage and system utilization by consolidating several Oracle Database Management Systems (DBMS) and SAP application servers onto a shared environment running on F15K and F12K platforms.Reduced system downtime after effectively supporting and maintaining Ab-Initio and Extract-Transfer-Load (ETL) applications running on Oracle 9.i.Achieved substantial hardware cost savings, minimized system downtime and simplified administrative support efforts after transferring data from photon and D1000s disks onto a Hitachi Data Storage system.Enhanced data retrieval and read/write performance after reallocating "luns" disk storage between domains, including shadow images by mirroring and striping servers' disks using Veritas File System, Volume Manager and Online Disk Suite.