7/22/2019 Roles Responsibilities L3 Unix Linux Admin
Administrator
1/1
Level III Technical support / training to clients for resolving
most critical technical issues Identifying performances bottlenecks
and take adequate measures to rectify faultsSupporting of huge
environmentsPatch Administration -- Adding / removing patches as
per User / System Requirements.Building HighEnd Servers (Eg: T5220,
T5240, M3000, M5000, T2000, and M9000), managing and trouble
shooting and Server firmware upgradation.Responsible for Linux
server installation and configuration on Physical and Virtual
machines.Building of Data Base Server on different RHEL
versions.Building of LAMP environment Servers.Installation
,Configuration of ASPERA FASPEX Digi Delivery
server.Installation/Kernel updation or client patching on Red hat
servers as client requiredConfiguration of Storage LUN.Server
hardening, checking I/O and Memory performance.Responsible for
start-up and shutdown the boxes and services.Proactively monitoring
the Server"s health and taking preventive or corrective action as
required.Monitoring Servers, logs and the Performance
settings.Worked on Servers Migration Project from Old hardware to
new hardware (e.g. E2900 to M5000 )Adding and configuring disks and
creating new file systems.
Responsible for enabling and revoking privileges from the
users.Responsible for, NFS, SAMBA, NIS, SSH, FTP, NIS, Apache,
Tomcat, Send mail, DNSservers Installation and configuration.Apache
and Tomcat server installation.Server Migration from physical to
Virtual (P2V).NIC bonding using bonding kernel module.Managing
internal DNS server record addition and deletion.Sound experience
in Linux LVM, VxVM and Solaris SVM.creating sparse root/ whole root
zones.Sharing software"s and files using NFS, Autofs.Hand's on
experience in VERITAS volume manager (encapsulating the root disk,
breaking the mirror disk before doing any changes on the root
disk,Worked on external DNS Configuration (Eg: VeriSign)
Determining the Business risk and Technical impact of the
changes.Providing technical support to the concerned clients to
resolve encountered problems during a change in a timely manner as
per SLASubmitting RCA report to the management.Troubleshooting.
Depth knowledge in ITIL Process (Incident, Change, Problem
Management etcScheduling/Controlling of Jobs using CronPerforming
remote connections and file transfer, creating archives, managing
local disk devices and performing system security.User/Group
Administration, Scheduled maintenance tuningManaging the Internet
proxy server with using SQUID.Basic shell programming skills for
system administration
