A Certified Redhat Systems Administrator with experience in diverse working environments. Extensive experience with system installation, configuration, maintenance, and administration of Sun Solaris and Linux servers. Excellent experience in patch management. Proficient in file security administration and troubleshooting system bottlenecks.
OS and server builds
LDOMs and Zones
Backup and recovery
LVM and SVM
User account management
Role Based Access Control
LAMP and SAMP
Z pool and ZFS quotas
UNIX Administrator July 2014 to CurrentTime Warner Cable TWC － Charlotte, NC.
Support and trouble-shoot issues involving Switched Digital Video, Linear Channels and Video on Demand on Systems utilizing DNCS and DAC Servers.
Aiming to improve the resolution time to outages and issues with preventative maintenance.
Manage user's accounts; perform UNIX system administration, and Monitor system logs.
Used role based access control, ACL, and SUDO for Systems Security Administration.
Document the procedures for DNCS Operations to assist the Support and Implementation Engineers to meet all performance goals to date.
Administer Solaris/Red Hat Systems (DNCS, DAC, MAS, and BMS.) Manage backups and monitor CPU and Disk Usage.
Ensure the technical analysts address and resolve any Big Brother and Xymon Alerts for DNCS and Mystro Server connectivity and hardware faults.
Working knowledge of VERITAS cluster and VxVM Resolve any loss of Two-Way Connectivity between the Set Tops and the Head Ends by analyzing the non-responder reports from the DNCS.
Diagnose Linear Video and Video on Demand outages and succeed in decreasing the resolution time on outages by engaging vendors and working with local Head End technicians.
Investigate and troubleshoot issues by determining root cause and remediate application, system infrastructure issues and take proactive measures to prevent future occurrences.
Perform installation and configuration of hardware and software to current OS releases and updating patches and packages for security vulnerabilities on Linux and Solaris Servers.
File system tuning, growing, and shrinking with LVM.
Creating Meta Devices (mirroring, Concatenating and Raid5) in Solaris environment using Solaris volume manager.
Install, configure, and manage proprietary applications on Unix/Linux servers.
Deploy and maintain new applications.
Support Red Hat and Solaris infrastructures in a highly collaborative environment focused on customer satisfaction and effective time management.
A good team player with strong communication skills and an inquisitive mind to learn more.
Linux/UNIX Administrator July 2011 to July 2014Timeless Solutions Inc － Hyattsville, MD
One of the leading information technology organizations, specialized in business consulting, project based solutions and outsourcing services.
Build Solaris and Linux servers, evaluating needs and installing recommended patches as appropriate.
Practical experience in deploying pre-installation testing of both software and hardware tools to ensure smooth system installations using kickstart and jumpstart technology for rapid and mass deployment.
Maintaining the regular backups using tar, ufsdump, ufsrestore, Snap shot backup etc.
Installed and configured Domain Name Service to ensure the translation of hostname to IP address and vice versa.
Utilized local utilities like LVM and SVM to efficiently manage storage resources thereby reducing cost, downtime from disaster recovery and ensuring high availability and redundancy via provisioning.
Executes troubleshooting techniques geared at isolating, diagnosing common Linux and Unix system bottlenecks and records system output to ensure continuous uptime.
Performed Security Administration on UNIX systems Managed Redhat clusters servers Utilized and configured Kernel Based Virtual Machines on Red hat Enterprise Servers.
Installing multiple sparse and whole root zones within one physical instance of Solaris 10.
Troubleshoot and fix errors associated with applications such as apache.
Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and JBoss.
Participate in monthly on call rotation to repair and diagnose problems in the application tier.
Manage user's accounts for the team and perform Unix system administration.
Supporting the Apache Web server and executing LAMP and SAMP projects.
Participate in root-cause analysis of recurring issues, system backup, security and capacity planning.
Knowledge of deploying and building system uptime through patches upgrades and updates using tools like RPM, Yum and apt get Working with and managing Solaris virtual environments; Setup ZFS quotas, reservation, and automatic NFS-share of directories.
Performed user's administration and monitored job processes using associated commands.
Worked in 24X7 supports in production and development environments.
A good team player with strong communication skills and inquisitive mind to learn more.
Linux/UNIX Administrator May 2009 to June 2011Dallas, TX
A global non-government organization with offices worldwide.
Provided daily checklist and performed monitoring of key system infrastructure components such as IO, CPU, and memory.
Use performance monitoring tools such as prstat, iostat, vmstat, netstat, top,ps, sar, mpstat, to support performance tuning, and recommend performance improvements, to resolve bottlenecks issues.
Built and configured local repositories to support package and applications management.
File system tuning, growing, and shrinking with SVM and LVM.
Installed, configured, and managed proprietary applications on Unix/Linux servers.
Managing data using native Solaris utilities for archiving, compression backup and restore.
Utilized file transfers technologies like NFS, FTP, SAMBA, SSH to ensure file sharing.
Accomplished migration of local Solaris and Linux servers, upgrading machines from older x86 architecture to state of the art ultra Enterprise servers.
Responsible for installation, configuration of Solaris and Linux servers using jumpstart and interactive methods Participating in root-cause analysis of recurring issues, system backup and security setup.
Performed all duties related to Linux system administration DNS, NFS, TCP/IP, UDP, SSH, RAID and user account management, backup and recovery, diagnosed users login problems using various remote login utilities.
Introduced new servers to the network.
Maintained network connectivity.
Provided real time responses and proactive support for clients facing application bottlenecks.
Assisted in research, evaluation, testing, selection, procurement, implementation, and maintenance of new software, hardware, and systems.
Engage network and development team as needed.
Optimizedsystem performance and monitored system resources.
Responded to system software as well as email and applications issues.
Utilized SNMP traps to monitor network and execute corrective measures.