Location – Highlands Ranch, CO-Onsite
Role Summary:
• Installing, configuring and maintaining Unix/Linux Servers / Virtualization.
• Installation and configuration of HA environment using Linux cluster or Veritas Cluster.
• Configuration and administration of LVM and Veritas logical volume manager.
• Installing and Maintaining kick start environment
• Writing shell scripts to accomplish day to day system administration task
• Administer and configure various FS like JFS,ext2, ext3, OCFS & Pseudo FS
• Capacity planning and fine tune system for optimal performance
• Knowledge on Apache virtual hosting, SSL website configuration
• Understanding of SAN and NAS storage.
• Administration of NIS or LDAP environment.
• Configuring Unix Security baseline.
• Experience in System Fault Tolerance Design, Business continuity and Disaster recovery planning.
• Performance Management & fine tuning.
• Patch and Package administration
• Extensive experience in kernel patching and firmware upgradation.
• Troubleshooting Hardware and Operating system related issue
• Able to handle most of basic to advanced calls in User, group management, system start-up, service modification, crontab entries, ACL modifications, file system management, root & OS backups Experience in Server
• Experience on following will be added advantage Samba, DNS, NIS, Send mail / Exim / Postfix / Qmail, LDAP
• Knowledge on Vulnerability remediation
• Understanding of Qualys
• Proactively monitoring the Server’s health and taking preventive or corrective action as required.
• NIC bonding using bonding kernel module.
• Sound experience in Linux LVM, VxVM and Solaris SVM.
• Providing technical support to the concerned clients to resolve encountered problems during a change in a timely manner as per SLA
• Submitting RCA report to the management
• Depth knowledge in ITIL Process (Incident, Change, Problem Management etc)
• Scheduling/Controlling of Jobs using Cron
• Debug bigger issues with network, heartbeats – VCS, Vault
• Hands on experience on IBM AIX & Red Hat Cluster
• Knowledge on ITSM tool Service Now will be advantage
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