Linux System Administration Resume Profile CA - Hire IT People

SUMMARY

Over 8 years of experience in implementation, administration and Application-production support in UNIX RedHat Linux and HP-Unix environments.
Experience with VMware to deploy Linux OS.

Proficient in Installation, Configuration, Support Maintenance of various Red hat Linux Servers located at Remote Locations.
Good knowledge of VERITAS products such as Volume Manager VxVM VCS.
Server high availability experience in Redhat Cluster and Veritas Cluster.
Extensive experience in NFS, NIS, SAMBA, LVM, IPTABLES, Sudoers, Crontab, RPM, YUM, Printing-CUPS, Software RAID, Send Mail configuration and administrations.
Capacity planning Performance Analysis, Uptime Response time analysis.
Good knowledge on all the system and network monitoring and troubleshooting tools.
Installation and upgrade of Software Patches, configuration management. Maintain various level of documentation. Co-ordinate with vendor to resolved OS issue.
Experience in Incident Change management process ITIL
Excellent communication, team membership and relationship management skills.

IT Skills:

Operating Systems	RHEL Linux, HP-UX
Enterprise Management and Backup tools	HPOV, Nagios, and Veritas NetBackup.
Hardware	DELL PE Series, Stratus, HP Proliant series, HP rx 6600,rx7640, HP DL 980, HP DL 580
Ticketing Tool	BMC Remedy, IBM SMART, TCIS, Service Now
Process	ITIL v 3
RedHat Certification	RHCE, RHCVA
Virtualization Technology	KVM

Experience

Confidential

Linux System Administration

Roles Responsibilities:

Installation and configuration of Redhat Linux Servers with SFC Solar Flare Card for new build environment.
Install and configured Linux servers using kickstart and RHEL ISO image methodology.
Configuration of CPU pinning using CSET to achieve better application performances.
Customization of Linux TCP kernel parameter and ulimit values.
Configuration of LUNs assigned by the storage team, and manages volumes using LVM and VXVM in Linux.
VCS cluster configuration and administration.
Responsible for creating and managing user accounts, security, rights.
Configures NFS, FTP, IPTABLES, sudoers and enabling CRON.
Troubleshooting and problem resolution of system performance and networking using nmon, sar, iostat, nmap, tcpdump, wireshark, starce etc..
Customization of process dumps to analyze the performances
Creation and management of Linux Virtual Machines using VMware Virtual Center
Configure SSH configuration files and manually set sshd authorized keys file.
Patched servers using YUM repositories
CUPS Configuration.
Resolved open tickets in a timely, professional manner and provides a positive customer experience
Co-ordinate with vendors Red Hat for OS related issues

Chef Configuration Management:

Experienced on build/manage Linux Server Infrastructure using Chef Automation tool.

UNIKIX Clerity TPE/BPE Administration:

Administrating and Operating the Clerity Unikix TPE/BPE environment to maintain the availability of Application in the LINUX platform
Install/Upgrade TPE/BPE software's.
Troubleshooting application, communication and system errors as needed to guarantee the application availability in the LINUX platform
Working with Customer Support Service teams DELL or directly with the customers to resolve operational or technical issues
Responsible for vendor software administration, installation and support. Serena Dimensions, DMExpress, CA Easytrieve,CA XCOM,ESP etc....

Confidential

Linux System Administration

Roles Responsibilities:

Administrate maintain1000 Linux Servers.
Install and configured Linux servers using kickstart methodology.
Ensure that the operating system is fully secure. Hardening Policy .
Setup NFS servers clients for file disk sharing.
Using LVM for dynamically extending reducing partition size as when needed
Deployed a custom syslog reporting solution for system alerts and notifications.
Co-ordinate with vendors Red Hat for any hardware and OS related issues.
User administration and SUDO configuration.
Creating RFC's. Technical change planning and implementation.
Develop and implement improvements and processes, motivate the team as well as ensuring SLA's are met.
Dealing with all escalations to the team in a professional and timely manner.
Call prioritization and time management.

Confidential

System Administration -

Responsibilities in this project include:

Incident Management:

Administrate maintain several Linux, HP-UX servers.
Ensure that the operating system LINUX / HP-UX is fully secure. Hardening Policy .
Define and maintain operating system parameterizations kernel parameters .
Install operating system patches and upgrades in coordination with the requirements of other software components and client
Setup NFS servers clients for file disk sharing for UNIX/LINUX
Using LVM for dynamically extending reducing partition size as when needed
Responsible for uptime of all the servers/nodes.
Co-ordinate with vendors HP- UX/Red Hat for any hardware and OS related issues.
Monitoring the systems for performance checks using HPOV as monitoring tool.
User administration and sudo configuration