SUMMARY

• I have 5+ years of experience as system administrator in Linux environments such as Red hat Linux, CentOS, Ubuntu, environments and production support.
• Hands on server configuration experience with software provisioning tools like puppet.
• Overall 5+ years of experience as Linux system administrator who is Motivated, enthusiastic, and pro - active with an excellent 'can-do' attitude and ‘go-to’ personal.
• Installation and up gradation of Packages and Patches configuration management, version control, service pack and reviewing connectivity issue regarding security problem.
• Hands on knowledge in creating instances and in Amazon Web Services(AWS).
• Experience in Server monitoring, capacity planning, application monitoring with the help of Puppet, Splunk.
• Knowledge on Red Hat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.
• Developed scripts for trouble ticket automation.
• Extensive Experience in developing automation script using batch/shell/ksh scripting.
• Good Experience of resolving customer’s OS issues.
• Work with our customers to help design systems, architectures, and automation solutions and systems.
• Expertise in scripting for automation, and monitoring using Shell and Bash scripts with some partial python skills.
• Expertise in requirement gathering, analysis, solution design, development, implementation, setup, testing, customization, maintenance, support and data migration.
• Good communication with presentation and technical writing skills.

TECHNICAL SKILLS

• Linux RHEL 3/4/5,6, VMware, Linux CentOs, Ubuntu.
• C++, Python, Bash and Shell scripting
• VERITAS Volume Manager, VERITAS Cluster Service (VCS), SSL, SAN, Splunk, Puppet, Git, VMware, Tomcat, Rundeck, Servicenow, HPSM, Relation Jazz and MS Office.

PROFESSIONAL EXPERIENCE

Confidential

Sr. Linux Administrator

Responsibilities:

• Monitor and troubleshoot of physical and virtual Red Hat Linux for prevent and correct incidents on dev, test and production environments.
• Usage of rational Jazz & Service now as ticket management tools.
• Expertise monitoring software and OS alerts through HPOM, Splunk, sunsu and custom monitoring tools.
• Experience working on a secured room with the required banking regulations needed.
• On call support and weekends coverage for production incidents.
• Direct customer support at high and low technical level.
• Installation and documentation of new software directly with the client and using the documentation given by the vendor.
• Remote monitoring and management of server hardware.
• Worked on building Hortonworks Hadoop Clusters.
• Package management using RPM and YUM in Red Hat Linux.
• Performed Vmotion using the VCenter 5.0 on the ESX machines for migrating the VMs online.
• Worked on Grub, Packages, YUM, RPMs, LVM, Boot from SAN and CD Image, file system configuration.
• Maintained and administered Active Directory Servers, including daily monitoring, troubleshooting and performance analysis.
• User, Group Administration and Advanced File Permissions.
• Documentation of common incidents and errors found during the different patching, updating and installation activities.
• Coordination and planning of times and days for patching and updating activities. Ensure production downtimes are as small as possible.
• Installation, removal and upgrade software on demand
• Managing, Increase, decrease hard drive capacity using LVM
• Creating VM Templates, cloning and managing Snapshots.
• Linux Network troubleshoot; Troubleshooting network and devices, DNS, TCP/IP, NIC, connection speeds, firewalld, iptables, etc.
• Bash Scripting development and debug of scripts for the different automated task as custom rpms, installation and any scripts related to the operating system
• Provide infrastructure support for the servers where resides different applications
• Enhance of the security for users among the customer’s applications.
• Monitoring of the Servers to ensure their avilability and performance.

Confidential

Linux and bid data services Administrator

Responsibilities:

• Big Data services and infrastructure administration for all the different environments and its services.
• Production, Dev and Test support. My team owned the entire responsibility for them.
• Installation, configuration and upgrade of Redhat Linux 5/6/7
• Creating VM Templates, cloning and managing Snapshots.
• Monitor and troubleshoot of physical and virtual CentOS 6/7 Linux for prevent and correct incidents on dev, test and production environments.
• Configuring repositories giving by the organization
• Installation of servers and agents.
• Decommissioning nodes
• Adding and removing services and packages from the cluster via CLI.
• Coordinating and distributing load work between existing resources according skills
• Prioritizing and scheduling daily, weekly and monthly tasks
• Daily checkup and update to L4 tickets, applying founded fixes or recommended ones
• Excellent communication, interpersonal and presentation skills, with demonstrated experience in customer interaction. Most importantly, self-motivated, quick learner and excellent team player.

Environment: CentOS 6/7/x, RHEL 5/6/7, VMware, Logical Volume Manager, HDP, Spark, HDFS, Hive, Ranger, Kerberos, HPSM, ILO 3, Hadoop, ServiceNow, VM ESX, Bash, Shell and Microsoft Office Suite.

Confidential

Linux and Mainframe Administrator

Responsibilities:

• Schedule and coordination for configuration and upgrade activities on Linux and mainframe enviroments.
• Production Support
• Dev and Test Support
• Remote apps monitoring and management.
• Package management using RPM, YUM and in CentOS
• Operating system and application log files analysis.
• Financial transaction instructions debug and management.
• Communicated on a daily basis with external vendors and the internal business delivering a faster resolution of file transfer issues. Ability to write Shell scripting.
• Troubleshooting and configuration issues for on Linux and Mainframe.
• User, Group Administration and Advanced File Permissions.
• Worked with various vendors for setting up financial instructions, labs and new applications.

Environment: CentOS 6/7/x, Logical Volume Manager, Mainframe, ServiceNow, Bash, Shell and Microsoft Office Suite.