SUMMARY

• Well educated and experienced Linux System Administrator with a strong background in Installation of RHEL, Upgrading, Configuration of Servers (VSFTPD, DNS, LDAP and HTTP), remote trouble shooting, Management of RHEL, performance analysis and monitoring of Linux systems.
• Proven to be an enthusiastic, dependable team player, problem solver, and teachable employee to lead or follow. Works well under pressure and a quick learner to new concepts.
• Involved in writing the Unix Shell scripts to automate manual work; Expert with SED and AWK one liners.
• Installation, configuration and upgrade of Redhat Linux 5/6/7 and CentOS operating systems.
• Provided system support for 2000+ Linux/Unix Servers including routine maintenance, patching, and system backups and restores, and software and hardware upgrades.
• Worked on building new CentOS & Redhat Linux servers, supported lease replacements and implementing system patches using the HP Server Automation tool.
• Configuration, implementation and administration of Clustered servers on Red Hat Linux environment.
• Experienced in system administration, System planning, co - ordination and group level and user level management.
• Patch management of Linux Servers.
• Automation in Cloud using Puppet.
• Expertise in creating and managing Logical Volumes in Linux.
• Experience on backup and recovery software like Net backup on Linux environment.
• Systems and network Planning and Administration.
• Configure and Administer NFS, LDAP, HTTPD, and DNS on Linux server environment.
• Supported production systems 24 x 7 on a rotational basis.
• Expertise in Installation, Configuration of Package and Patch Management.
• Knowledge of monitoring and configuring tools like Introscope, Jenkins, BMC Remedy, Patrol and Netcool.
• Handling and generating tickets via the BMC Remedy ticketing tool.
• Experience with HP Gen 8 blade servers and rack mounted servers.
• Coordinated Hardware configuration, installation and management as well as. Configuration of ILOs and Console connections for HP Gen 8 Blade and Rack mounted servers.
• Expertise in Performance Monitoring and Performance Tuning using Top, prstat, sar, vmstat, ps etc.
• Creating new file system, managing & checking data consistency of the file system.
• Created new file systems using Raw Device Mapped lun's, Virtual Disks and SAN storage as per required.
• Communicated and Coordinated with customers internal/external for resolving issues for reducing downtime.
• Experience in Disaster Recovery and Planning.
• Problem determination, Security, Shell Scripting.
• Supported after-hours to meet deadlines as well as for operational support as required.
• Proven experience in end-to-end problem determination/troubleshooting system issues.
• Good knowledge of Change Management process.
• Experience in Configuration, Administration, and Maintenance of UNIX environment.
• Experience in Troubleshooting of Network, OS and Performance related problems.
• Experience in Solving Memory and CPU utilization problems.
• Experience in installing software’s packages like FTP, DNS using Red hat Package Manager.
• Research-oriented, motivated, proactive, self-starter with strong technical, analytical and interpersonal skills.
• Experience in System Administration, installation of Patches and Troubleshooting related to the same.
• Excellent leadership and delivery skills, capable of motivating and mentoring practitioners to their full potential and proven ability to communicate complex information clearly to individuals Confidential all levels.

TECHNICAL SKILLS

Operating Systems: Red hat Linux, Solaris, HP UX & Windows 2003, 2008 and 2012.

Scheduling Tool: Cronjob & Control M

Tools: Secure FTP, Quest Toad, SQL Developer, Putty, Remedy IM, Remedy CM, winSCP, Tivoli Netcool, Introscope, Patrol, Veritas Netbackup,Nagios

Scripting Language: Bash Scripting

Databases: Oracle, SQL Server

Cloud: Basic AWS,Puppet

PROFESSIONAL EXPERIENCE

Confidential

System Analyst - Linux & Application Support Engineer

Responsibilities:

• Managing and troubleshooting issues of Redhat Linux servers in Chase Mortgage Banking.
• Quarterly Patching
• User management and troubleshooting.
• Automation using Jenkins and Puppet.
• Troubleshooting of Tomcat, Apache and SSL issues.
• Incident, Problem and Changes management using HP Service manager and ITSM tool.
• Cloud experience of migration of application.
• Knowledge of TCP/UDP protocols.
• 24x7 Support and On Call rotation.
• Handling application issues, troubleshooting JAVA application logs, setting up monitoring.
• Work on creating implementation plan for change request.
• Patch management of Linux servers.
• User management and also work on file system issue.
• Willy Introscope monitoring for Java apps.
• Follow Agile methodologies.
• Performed Kernel tuning.
• Handling LVM related tasks, Creating, resizing LVM.
• Building & configuring Red Hat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
• Creation of SAN File System on Red Hat Linux using multipath configuration.
• Trouble shoot various using by analyzing the app and web logs.
• Configuring LDAP authentication, NFS, AUTOFS

Confidential

System Engineer - Linux

Responsibilities:

• Performing Linux server’s installation, migration and patching activity in a customized gaming environment.
• End to end support in physical and virtualized Linux environment as per Electronic Arts SLA and requirements
• Working with different centralized monitoring and alert tools depend on tickets severity
• Performance tuning and maintenance and critical file system management and migration in a cluster server
• Supporting Linux Cluster server implementation, migration and troubleshooting endeavors
• Resolving incident, work order and change request as per ITIL process
• Coordinating between Onsite and Offshore team, providing knowledge transition and update to the offshore team.
• Worked with Netbackup 4.5 and 5.1 in a large environment on both Unix and Windows Servers.
• Responsible for troubleshooting daily backups issues (Over 5,000 policies and 3 locations)
• Worked on Synthetic backups and Flash backups
• Involved in installation, configuration, upgrading, patching and troubleshooting on Master, Media and clients servers.
• Building & configuring Red Hat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
• Create role based access and SAML based SSO authentication for Splunk.
• Creation of SAN File System on Red Hat Linux using multipath configuration.
• Implemented automation of Devops tools (puppet).
• Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
• Involved in implementation of cloud services like AWS.
• Troubleshot Tape library issues.
• Worked on netbackup appliance.
• Creating and developing SHELL scripts and automation the regular day to day activity
• Scanning and provisioning storage LUN’s for the designated servers and creating file system.
• Server management which includes Disk management, LVM management, Software installations, job Scheduling, backup and restorations.
• Experienced on RAID technologies.
• Experience troubleshooting performance related issues (CPU, Memory, Network and I/O) File system management - Creation, Deletion, File Systems Changes - Grow and Shrink
• Working on a Ticketing tool, and closing the Service Request, Incident Records, Problem Ticket and Major Incident closing all in the appropriate SLA period.
• Familiar with VMware and Server deployments.
• Performing Server Activation & De-activation process.
• Invoking tech lines/group chats & coordinating them in case of critical incidents impacting internal applications/issues.
• Initiating SWAT call during critical incidents impacting website and applications used by business users.
• Maintaining SLA tracker, outages, incident tracker & updating incident tickets and maintaining issue trackers for all the applications/batch cycles.
• Job includes installation and configuration of VMware ESXi installation and configuration of VMware Virtual Center Server and creating Virtual Machines.
• Work on the root cause analysis of all the incidents. Sending different application logs, trace route, ping results.
• Maintaining tickets in different ticketing systems like Remedy Incident Management, Service Now by assigning/follow up with team members.

Environment: RHEL 6.x/7.x, VMware, Windows, Bash Scripting, Logical Volume Manager,, ESXi, VM vSphere, SAN, Tomcat, Weblogic, Veritas Netbackup, Tape Libraries, WSUS

Confidential

System Analyst - Linux Administrator

Responsibilities:

• Extensively worked on administering NFS, DNS, DHCP, and Mail Servers.
• Exposure to VMWARE and ESX.
• Managing Confidential &T datacenter remotely of our Client which contains web, application, and database etc servers. (3000+ production & DR boxes, and 1000 + development boxes, 300+ boxes are testing boxes.
• Maintain 99.98% uptime of UNIX production servers and follow proper escalation matrix during production emergencies.
• Responsibilities to solve technical Problems related System administration (Linux of Our Clients). Maintaining and Troubleshooting of FTP Server, Samba Server of the client.
• Handling the day-to-day Operations, Install software, apply patches, manage file systems, monitoring performance and troubleshoot alerts.
• Worked on Open Stack private cloud.
• Automation in Cloud using Puppet.
• Building & configuring Redhat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
• Coordinating with apps & database teams to apply patching, Managing SAN environment from the Linux point of view, managing Physical and Logical volumes.
• File system Management, Account and Security Management.
• Baseling & Hardening of a server as per client policy.
• Managing Primary site and successfully tested DR site of the Client.
• Create hard disk image cloning and restore the same for failover purpose.
• Responsibilities to solve technical Problems related to LAN/WAN of the Organizations as well as Our Clients. Maintaining and Troubleshooting of Apache Server, DNS Server, FTP Server, Samba Server, Kernel Compilation, NIS server etc in Linux Platform of the organization as well as of the client.
• Handling the day-to-day Operations, Troubleshooting & Solve Server Problems in LINUX/UNIX.
• Worked on Incident Management and Change Management through BMC remedy
• Experience in a large 24x7 environment.
• Experience in shell scripting and programming

Environment: RHEL 6.x/7.x, VMware, Windows, Bash Scripting, Logical Volume Manager, ESXi, VM vSphere, SAN, Tomcat, Weblogic, Sharepoint.