Lead Administrator

Job Title: Unix /Linux Administrator Location: Irving, TX / Jersey City, NJ Job description : RHEL 6 & 7 servers supporting all the OS administration, application and hardware issues. Installation, Upgradation, Configuration, Maintenance, Patch/Package management and Troubleshooting of the Operating systems and services. LVM tasks like Volume group creation, File system creation/extension, Logical Volumes. Supporting high availability, fail-over, fallback using any Cluster Server. Freezing, switching service groups in Clusters. Hardware Maintenance and coordinating with Vendors like Red Hat, Oracle, Symantec and IBM. Monitoring System Performance of Virtual memory, Managing, Swap Space, Disk utilization and CPU utilization. Hardware replacement including Battery, DIMM, Hard Disk, System Board, Power supply Fan and HBA Card in Red Hat HP ILO machines. Implementing SSH Tectia key for password less connectivity. Managing file system like monitoring sizes, resolving inconsistencies. Any cluster Sever Administration experience is required. Configured Network bonding, log rotate, password policy, apache configuration in all the Linux servers. Creating LVM partitions, managing LVM partitions, extending LVM partitions. Applying OS patches on cluster Linux, servers and using Blade logic tool for patching. Managing Users and Groups and applying security permission to users and directories Execution of projects such as host/DC migration, SAN migration, subnet migration, DC power down, etc in coordination with other infrastructure management teams. Scheduling and conducting BCP tests to ensure seamless production at times of disaster. Document process and preparation of run books. Troubleshooting issues related to local user accounts, NIS, NFS, NTP, network issues, memory issues, etc. and servicing user requests. Performing data restores on Unix servers