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.
• ITIL certified
• 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 for2000+ 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.
• 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 & Windows 2003, 2008 and 2012.

Scheduling Tool: Cronjob

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

Scripting Language: Bash Scripting & Python Scripting

Databases: Oracle, SQL Server

PROFESSIONAL EXPERIENCE:

Confidential

System Analyst - Linux & Application Support Engineer

Responsibilities:

• Managing and troubleshooting issues of Redhat Linux servers in Chase Mortgage Banking.
• 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.
• Troubleshooting issue using SQL query and fetch input XML using SQL Developer.
• Cloud experience of migration of application.
• 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.
• Trouble shoot various using by analyzing the app and web logs.
• Configuring LDAP authentication, NFS, AUTOFS

Confidential

System Analyst - Linux Administrator

Responsibilities:

• Extensively worked on administering NFS, DNS, DHCP, and Mail Servers.
• Exposure to VMWARE and ESX.
• Managing Confidential & Confidential 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.
• 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

Confidential

Linux Engineer

Responsibilities:

• I was responsible for taking care of the network and system management of the centre having more than 300 Servers with Windows and Linux server OS.
• Assisted in hardware installation and maintenance of workstations, servers, networking equipment, and other supporting hardware.
• Performed user account creation, deletion, and configuration.
• Supervised backup.
• Site contact for datacenter of Confidential
• User and Account Management
• File-system Management ( LVM, RAID)
• Resolving file permission issues.
• Maintaining hardware and Software Inventory
• Backup and Recovery management using a GUI based tool (Netbackup)
• Package management yum (RHEL), and rpm.
• Managing and scheduling cron jobs.
• Automating tasks using Shell Scripts
• Patch Installation and Server upgrade
• Resolving CPU, Memory, and disk performance issue
• Maintain/Create Documentation of server builds.

Confidential

Linux Support Engineer

Responsibilities:

• Responsible for installing computer, taking care of network Administration.
• Managing the network of more than 200 computers enabled with switches, Hubs and other networking devices.
• Managing Confidential 5 servers i.e. DNS server, Database server, FTP Server, print server and File server.