SUMMARY

• Over 7 years of experience in Redhat Enterprise Linux, AIX.
• Experience with Red hat Linux v6.x/7.x installation, configuration and troubleshooting.
• Experience in applying security patches and updating Redhat Linux OS version using Red Hat Satellite server.
• Configuration management with Ansible, Chef and Puppet.
• Performance monitoring with Nagios and Splunk.
• Managed software on Red Hat Linux using RPM and YUM.
• Redhat Linux administration: configure modules, kernel updates, network bonding, IPtables and kickstart.
• Configured SELinux to support services and used ACLs, SUID and SGID to secure Linux resources.
• Unix/Linux user account management and sudo access update.
• Good knowledge of VMWare virtualization technology and use with Redhat Linux servers.
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of Confidential AIX.
• Experience with LVM, VIO client/server, HACMP/Power HA 7.1/6.1, SMIT Utility
• LPAR/DLPAR Micro Partitioning technology for installing partitions through NIM and Managing partitions through HMC Console.
• Well versed with LAN/WAN, TCP/IP and networking skills.
• Managed NFS exports and CIFS shares on UNIX servers.
• WebSphere application server installation and configuration.
• Experience with server and application migration
• Provided production support in an on - call rotation in a 24x7 environment.
• Experience with Incident and change management tools (Remedy/Servicenow, Jira)
• Excellent problem determination, troubleshooting and performance tuning skills.

TECHNICAL SKILLS

Operating Systems: Red Hat Linux 6.x/7.x, VMWare vSphere 5.x/6.x, ESXi 5.x/6.x, AIX 7.1/6.1, Windows, Amazon EC2/CloudFormation/Kinesis, Ubuntu 17.x/18.x

Configuration Management and Performance Monitoring Tools: Ansible, Chef, Puppet, Nagios and Splunk.

AIX Technology: VIO, LPAR/DLPAR, HMC, HACMP

Commercial Software: VMware vSphere, MS Office, Outlook, Microsoft OneDrive

Database: Oracle, DB2, SQL Server

Problem/Change Management: Remedy, Service now, Jira

Storage/Backup Technology: EMC VMAX, Confidential, Isilon NAS, Pure Storage, Amazon S3/EFS/EBS/S3 Glacier

PROFESSIONAL EXPERIENCE

Confidential

SYSTEM ENGINEER

Responsibilities:

• Installed and configured RHEL7.x systems in large scale VMware virtual environment and Amazon cloud.
• Installed custom software and application on various systems.
• Upgraded RHEL servers to latest release and applied RHEL OS enhancement and bug fixes as per business needs.
• Experience in applying security patches and updating Redhat Linux OS version using Red Hat Satellite server.
• Configuration management with Ansible, Chef and Puppet.
• Performance monitoring with Nagios and Splunk.
• RedHat Linux administration: configure modules, kernel updates, network bonding, IPtables, and Kickstart.
• Managed software on Red Hat Linux using RPM and YUM.
• Configured SELinux to support services and used ACLs, SUID and SGID to secure Linux resources.
• VMware virtual server deployment using templates. CPU/Memory and disk allocation to VMs per requirements.
• Configure volume groups and logical volumes, extend logical volumes for file system growth needs using LVM commands.
• Assist storage team in troubleshooting NetBackup issues.
• Diagnosing and resolving systems related incidents in accordance with priorities using Servicenow tool.
• Plan and implement project tasks on Linux servers and new deployment according to scheduled timeline.
• Perform tuning and capacity planning tasks to maintain optimal system performance and availability.
• Managed NFS exports and CIFS shares on UNIX servers.
• User account/group management and sudo access update per approved access.
• Managing cron jobs, batch processing and job scheduling.
• Transferring files from one system to other using FTP and SFTP.
• Configured LDAP Client on Linux machines for authorization and authentication.
• Taking snapshots in the VMware environment.
• Experience in using VMware vMotion to move VM’s from one datacenter to another datacenter.
• Provide on-call support for Unix/Linux servers.

Confidential

SYSTEM ADMINISTRATOR

Responsibilities:

• Provide on-call support for Unix/Linux servers.
• Support and troubleshot SDM platform.
• Create new servers, deploy patches, and support end-to-end.
• Support QA testers and software developers in lab/production environment
• Experience working with Ubuntu.
• Support multiple systems and applications.
• Create brand new servers, deploy patches, and support end-to-end.
• Utilize the following technologies: Nagios for monitoring, ticketing tools, and Servicenow.

Confidential

SYSTEM ADMINISTRATOR

Responsibilities:

• Installed and configured RHEL7.x systems in large scale VMware virtual environment and Amazon cloud.
• Installed custom software and application on various systems.
• Upgraded RHEL servers to latest release and applied RHEL OS enhancement and bug fixes as per business needs.
• Experience in applying security patches and updating Redhat Linux OS version using Red Hat Satellite server
• Configured LDAP Client on Linux machines for authorization and authentication.
• Plan and implement project tasks on Linux servers and new deployment according to scheduled timeline.
• Taking snapshots in the VMware environment.
• Experience in using VMware vMotion to move VM’s from one datacenter to another datacenter.
• Perform tuning and capacity planning tasks to maintain optimal system performance and availability.
• User account/group management and sudo access update per approved access.
• Involved in troubleshooting performance related issues.
• Administered users, groups, passwords, and other aspects of security.
• Maintained formal documentation of managed systems.
• Active participation in the ITIL processes, Change, Incident, Release and Problem management.
• Provide on-call support for Unix/Linux servers.

Confidential

UNIX/LINUX ADMINISTRATOR

Responsibilities:

• Installation, configuration and administration of AIX v6.1/7.1 on pSeries servers
• Installation and configuration of LPARs/DLPARs using HMC
• Configure volume groups and logical volumes, extend logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Configure NIM Master servers and NIM client for remote installation.
• Verify and implement Live Partition Mobility (LPM) to move LPARs between frames
• Perform vSCSI to NPIV migration tasks
• Diagnosing and resolving systems related incidents in accordance with priorities setup in dealing with trouble tickets.
• Plan and implement assigned changes on AIX servers as per scheduled timeline
• Adding storage, failover testing, adding new RG, configuring and changing resources, upgrading the AIX on HACMP nodes, changing the policies of RG and troubleshooting.
• Perform tuning and capacity planning tasks to maintain optimal system performance and availability.
• Perform patch management task including applying TL, Service Pack, eFix on AIX servers
• Migrating OS from AIX 5.3 to 6.1 and 6.1 to 7.1.
• Redhat 5/6 Operating System installation and configuration.
• Patch Redhat Linux servers to apply latest updates
• User account/group management and sudo access update per approved access.
• Troubleshoot and resolve incidents on AIX/Linux servers