OBJECTIVE:

• Seeking an administrative position to learn and perform as top - performing technical and application support teams in administrating or supporting of server hardware, software peripherals and networked operating systems.

SUMMARY:

• Linux System Engineer/Admin certified professional Over 8 years of professional experience as a Unix administrator.
• System Administrator and VMware Administrator with experience in operating systems that include Redhat, SuSE, UBUNTU.
• Experienced in Working with AWS services such as AWS S3, AWS EC2, AWS Glacier, AWS RDS, AWS VPC, AWS SNS, AWS SQS, AWS Elastic Beanstalk, AWS OpsWorks, AWS Cloud Watch,AWS CloudTrail AWS CloudFormation, AWS CloudFront, AWS Route53, AWS Trusted Advisor, and AWS IAM.
• Configured Security Groups, Network Access Controls, & Alias Records in Route53.
• Experience in implementing and managing virtualization using VMware ESXi.
• Experience in installing type of operating systems like Ubuntu, Redhat and SuSE Linux on bare metal using PXE boot.
• Experience on installation of VMware ESX, ESXi migration of VM's from one host to another host, migration of vm's from one data storage to another data storage, patch management.
• Experience in implementing and configuring of high availability and redundancy for RISC and x86 servers
• Experience in installing, configuring and maintaining Samba, Apache, Websphere and Weblogic Application Servers..
• Extensive experience in installation, configuration, maintenance, design, Administration, implementation, and support on Linux and AIX Environment.
• Extensive experience in Kick start/Jumpstart.
• Configured services like DNS, NIS, NFS, LDAP, Send Mail, FTP, Remote access on Linux.
• Working experience on Windows Active Directory and LDAP.
• Strong understanding of VMware Networking concepts like creation of Standard and distributed vSwitches, creating different types of port groups with advanced configurations including failover and load balancing policies, NIC teaming, VLAN Problem management. Experience with standard and distributed switches.
• Integration of various network related services like NFS, NIS, and DNS.
• Installation, configuration and management of LAMP (LINUX/Apache/MySql/PHP ) stacks.
• Very good troubleshooting experience with Cisco networking devices like Routers/Switches.
• Extensive experience with Troubleshooting of issues with applications, network, user hardware, naming services etc.
• Expertise to handle tasks in Ubuntu and Red Hat Linux includes upgrading RPMS using YUM, kernel, HBA driver,configure SAN Disks, Multipathing and LVM file system.
• Expertise in NFS/DNS/LDAP/NIS/DHCP/TCPIP, SSH, SCP, RSYNC, TAR, GZIP.
• Software package deployment, disaster recovery/contingency of business management.
• Expertise in implementation and designing of disaster backup and recovery plan.
• Very good experience with documenting software usage procedures, network diagrams and project documentation.
• Extensive experience in backup, restore and installing AIX using NIM for DEV/QA/Prod environment.
• Experience in Power Hardware Migration and OS AIX 5.3 to 6.1 to 7.1 migration.
• Hands-on experience in PowerVM (VIOS) and Good experience in VIO upgradation.
• Sound knowledge in DLPAR assigning CPU, Memory, NIC card and FC card using HMC.
• Experience in TL upgradation and Migration using nimadm command and Multi-bos.
• Performing SAP/DB switchover and failover for scheduled DR drill.
• Good experience in configuring and deploying Apache, Tomcat and HTTP application.
• Experience in architecting, setting up data centers and migration of applications.
• Fixing vulnerabilities like NTP, bash, Secure shell, ghost and dirtycow etc.
• Hands on experience in Dynect and Infoblox for External and Internal DNS respectively..
• Good presentation, customer support and troubleshooting skills & experience in providing 24x7 supports.

TECHNICAL SKILLS:

Operating System: AIX 5.3/6.1/7.1, Redhat/CentOS 5/6/7, SuSE, Ubuntu and Windows 2008/12.

Virtualization: PowerVM and VMware ESXi.

Cluster: HACMP/PowerHA/Sys-Mirror, GPFS and Hadoop cluster.

Shell script: Bourne, Korn, bash

Database: MariaDB and MySql.

IaaS: AWS, Azure, Google cloud, IBM Softlayer and OpenStack.

Tools: ANT, MAVEN, HUDSON/JENKINS,Nexus, Ansible, PUPPET, CHEF, Docker

Monitoring tools: CA Nimsoft/UIM, Tivoli, Nagios, Ganglia and lpar2rrd.

SD tools: BMC Remedy, CA Nimsoft and IBM Maximo.

WORK EXPERIENCE:

Confidential, Arlington, VA

Sr. Linux Administrator

Responsibilities:

• Troubleshooting Apache issues such as performance testing and tuning (i.e. worker, pre-fork, mpmconfiguration), failure of Apache to restart, queuing of requests, etc.
• File systems configuration on Unix/Linux servers using their native LVM, Data migration and maintenance.
• Configured and Troubleshooting LVM (Logical Volume Manager) for AIX and Red Hat Enterprise Linux.
• EMC Powerpath for multipathing support on AIX, and use of Linux multipath on Linux servers.
• Involved in migrating WebSphere 6.0 to 7.0 on AIX, Linux.
• Installation and Configuration of NIM Server, For OS and Patch management.
• Expert in automation & orchestration platforms centered around Cisco UCS director and VmwareVRealizeautomation center.
• Implementation and automation using Ansible configuration management
• Experience with Red Hat Enterprise Clustering and Storage Management.
• Installing & upgrading the firmware of various storage components like: SCSI HBA, FC HBA & iSCSI.
• Experience in All levels of RAID Configuration and Management using Raid Manager.
• Red Hat Linux server administrator, including security patching, kernel tuning, RAID disk array mgmt, softwarepackaging and installation using RPMs.
• Managing package install/upgrades using YUM and RPM.
• Knowledge on Virtual/Physical Servers.
• Monitoring: with Centreon/Nagios, Splunk, MySQL Dashboard, Cacti etc
• Installed, tested and deployed monitoring solutions with Splunk services.
• Maintained and managed assigned systems, Splunk related issues and administrators.Administration.
• Created Root Cause Analysis (RCA) for any server outages and server problems.
• Troubleshooting and performance tuning of various systems problems such as application, network andhardware related issues.
• Attend team meetings, change control meetings to update configuration / installation progress and upcomingchanges in environment.

Environment: IBM Power 8,7 and 6, IBM X series, IBM PowerVM, VMware 5.5 and 6.0, AIX 6.1/7.1/7.2, Ubuntu, Redhat 7, Windows 2008/2012, IBM SVC, IBM XIV, IBM DS8880, NetApp, Brocade, AWS, IBM Softlayer,PowerHA/Sysmirror, GPFS, IBM TSM, DB2, Oracle 11g, Sybase, SAP, WebSphere, IBM MQ, IBM BigFix, IBM Maximo, Tivoli monitoring and lpar2rrd.

Confidential, Des Moines, IA

Professional System Administrator

Responsibilities:

• Installation, configuration, maintenance, Administrative, and support of AIX/Redhat/SUSE on Dell and HP h/w.
• Installing and managing esx and esxi servers on HP, dell and installation of vCenter server, vCentercomponents using vSphere web client and upgrading VMware tools.
• Proficient in installation, configuration and maintenance of applications like Apache, LDAP, and PHP.
• Troubleshooting issues related to DNS, NIS, NFS, DHCP, Sendmail on Linux and Aix Operating Systems.
• Worked on Acronis Agent Installation, backing up the Physical Server, deploying the New VM on KVM hypervisor.
• Wrote Python scripts to monitor a variety of admin services.
• Monitoring and service issue resolution of LAMP stack web servers, both shared and VPS.
• Installing and Managing Splunk Applications.
• Administered a Splunk server to monitor both Windows and Linux physical and virtual environments.
• Design and implementation of Nagios in a multi-datacenter environment (Core, XI).
• Experienced in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.
• Strong Experience in supporting IBM-AIX. Also supported RHEL and SUSE server environments.
• Monitor Intrusion Detection systems with automated patch updates to all servers.
• Install, configure and maintain WebSphere application server 6.0/6.1.0 in clustered, high availability
• Worked on VMware and vSphere 5.5 with ESXi servers.
• Participated migration cutover meeting's, Build and deploy Linux hardware Nodes to host several KVM templates.
• Creating and updated network shares, adding permissions software and groups for users through ActiveDirectory.
• Creating NFS mount for application and Samba process for share drives.
• Migrated existing Puppet Modules to Ansible Playbooks.
• Created Playbooks for Push Button Deployments through Jenkins.
• Managed Server configuration through Ansible Playbooks.
• Created a FTP web interface to manage and send files to our customer FTP site using PHP.
• Created Server Build Playbook from the Scratch that does Tomcat App Server Installation, UIM Agent Installation and App Deployments through Ansible Tower.

Environment: IBM Power 7 and 6, EMC Vblock, IBM PowerVM, VMware 5.5 and 6.0, AIX 6.1/7.1, Ubuntu, Linux, Windows 2008/2012, office 365, CSC cloud, AWS, Microsoft Azure, CSC Agility Platform, Jenkins, Github, Doker, Avamar, Netbackup, PowerHA/Sysmirror, GPFS, BMC remedy, Nimsoft motoring tool, Nagios, Zerto, Oracle and HTTP servers.

Confidential, Islandia, NY

Sr. Platform Engineer

Responsibilities:

• Installed, Configured and Maintained Linux and Windows in AWS environment.
• Created Virtual Machines by utilizing AWS EC2 and configured security groups to restrict Inbound and Outbound access.
• Automated backups by shell scripting to transfer data in S3 Bucket.
• Setting up and administering DNS system in AWS using Route53.
• Implemented the setup for Master-slave architecture to improve the Performance of Jenkins.
• Built and supported Development, Integration, Staging and, Production environments.
• Installed and configured Jenkins and created parameterized jobs to kick off build for different environments.
• Troubleshooted the issues related to connectivity and low response times of applications on EC2 instances.
• Setup Jenkins push-button deploy to integration, staging and, productions environments.
• Installed and configured HAProxy load balancer to route the traffic between application servers.
• Involved in Designing and Implementing host level migrations and replacing virtualization using P2P and P2V.
• Troubleshooting and performance tuning of various systems problems such as application, network and hardware related issues.
• Involved in Agile process, by-weekly Sprints and, daily Scrums to discuss the progress.
• Performing AIX Administration tasks like, Logical Volume Management, Filesystem Management.
• APAR Installation, Health checking, Providing SUDO access.
• Managing mksysb backup of AIX and VIOS schedules using NIM, NFS exports.
• Analyzing performance of server resources.
• Installing latest TL on the servers
• Fixing weekly Alt disk and mksysb failures.
• Providing support for file system issues like increasing file system
• Installing ssh on servers and configuring password less login to all servers by using Centralize server.
• Break-fix for ssh/SSL, login issues
• Monitoring lpars by NMON analyzer running nmon in crontab.
• Migrated AIX 6.1 environment to AIX 7.1 through nimadm.
• Restored server through mksysb backup using NIM.
• Break-fix for file system issues.
• Creating RFC’s to perform configuration changes like FS Increase Implementing new Specs, Patch Installations and Server decommissions etc.
• 24 X 5 ON-CALL Support on rotational basis.
• Managing Project documentations according to the updates. installing tools based on the application team requirements.
• Infra-structure development on AWS using various services likeEC2, S3, RDS,
• Provide highly durable and available data by using S3 data store.
• Adding A, NS and CNAME records in Dynect and Infoblox for External and Internal DNS respectively.
• Utilize Amazon Glacier for archiving data.
• Working on Data Backup services like S3 bucket and Glacier services.
• CreatingEC2Instance from AWS.
• Design highly available, cost-effective and fault-tolerant systems using multipleEC2instances,
• Auto Scaling, Elastic Load Balance and AMIs.
• Utilize EBS to store persistent data and mitigate failure by using snapshots.
• Attaching or Detaching EBS volume to AWSEC2instance.
• Design roles and groups for users and resources using AWS Identity Access Management (IAM)
• Manage network security using Security Groups, and IAM.
• Creating IAM users to access Cloud console with restricted access.
• Use Amazon RDS to manage, create snapshots, and automate backup of database.
• EBS volumes to set alarms for notification.
• Setup of monitoring solutions and mail alerts.
• Cloud watch enable onEC2instance for monitoring.
• Creating VPC connection in AWS as per client requirement.
• Patching from RH5.8 to RH5.11 and SUSE10 SP4 SUSE SP10(Redhat and Suse).

Environment: IBM Power 7 and 6, IBM PowerVM, VMware 5.5 and 6.0, AIX 6.1/7.1, Redhat6/7, Windows 2008/2012, office 365, AWS, Microsoft Azure, Jenkins, Arcserve Data Backup, PowerHA/Sysmirror, EMC VMAX, Netapp, UCS, CA UIM and CA Nimsoft, F5 load balancer, Paloalto, SAP, Oracle, IBM WebSphere and JBoss.

Confidential

System Administrator

Responsibilities:

• Fixing lpars boot issues and Mapping powerdisk through vio to lpar.
• Configure, Fixing MPIO on client lpar for failed path and Configure NPIV on VIOS clients.
• Fixing vio backup issues on SAN Disk through Alt disk method.
• Lpars migrated from Power 5 595 to Power 7 780.
• Configured LPAR2RRD (open source) to monitor resource of Power servers.
• Implemented NPIV in P7 780 box with help of SAN team.
• Configured AME in IBM Power7 780 server.
• Taking monthly HMC backup on NFS server and DVD.
• Taking Quarterly VIOS backup on tapes and on SAN disk using altdisk.
• Taking viosbr backups before changing/adding in VIO environment.
• Managing firmware/TL-SP upgrades periodically using multibos/altdisk installations.
• Virtual IO Server administration.
• Configuring new LUNs by coordinating with SAN Team.
• Performing Creating LPARS/Activating/Deactivating/DLPAR operations using HMC.
• Managing Project documentations according to the updates.
• Configure Active Memory Expansion (AME) and Monitoring by amepat command.
• Breaks fix issues for HACMP/PowerHA.
• Build cluster between LPARS .
• Brining up Resource groups online.
• Upgraded HMC from 7.7.1 to 7.7.2
• Performing the fall over test of Resource groups and service IP.
• Troubleshooting failover issues like unmounting during failover, service ip issue.
• Testing switching service IP between adapters.
• Creating the volume groups (VG) and RAW logical volumes (LV) through C-SPOC.
• Extending the size of HACMP file system through C-SPOC.
• Upgraded HACMP from HACMP 6.1 to HACMP 7.1
• Move RG from one node to another through C-SPOC.
• Creating New RG and new file system in RG.
• Resolving user issues related to logins on HACMP nodes
• Checking the Performing the synchronizing of cluster on weekly basis.
• Monitoring system by errpt and troubleshoot system problems.
• Taking cluster snapshot and login call with IBM and sending clsnap o/p in case of any issues.
• VMWARE ESX 5.0 to 5.5 Servers Installation, Configuration & Administration.
• Migrate Physical Servers to Virtual Server using VMware Converter (P2V Converter)
• Performing Snapshots, Cloning, Cold Migrations and Hot Migrations.
• Troubleshooting issues relating to VMotion such as compatibility issues.
• Implemented and Configured VM Ware Infrastructure cluster running on IBM Blade servers.
• Taking care of Patch Management in ESX Server through Update Manager & Accessing the ESX Server

Environment: IBM Power 7,6 and 5, IBM PowerVM, IBM PowerHA, VMware 5.1 and 5.5, AIX 5.3/6.1, Redhat6, Windows 2003/2008,HP 3PAR, EMC VNX, IBM DS8000 HP Backup and Recovery Manager, Lpar2rrd, Oracle10g and SAP.

Confidential

Associate System Administrator

Responsibilities:

• Create and Maintenance of LVM in AIX and Linux.
• Setup and configured TCP/IP network on LINUX and AIX.
• Worked with implementation team of high availability cluster on IBM RS/6000 platform (HACMP for AIX)
• Monitoring Disk, CPU and Memory & Performance of servers.
• Creating LPARS and configuration of DLPAR scripts for load sharing.
• Resolved software and hardware issues and maintained Local area networks.
• Engaged in the setup of computers and printers on the network involved in the monitoring of TCP/IP environment.
• Experienced in installing OS and configure kernel parameters for Linux/Unix servers.
• Installed, configured and maintained Ubuntu, Red Hat Enterprise Linux 4, 5, CentOS.
• Experienced in patching and upgrading OS levels forLinux/Unix servers
• Worked with Red Hat Package Manager (RPM) and YUM.
• User administration tasks, Permission issues.
• Maintain the security posture of the systems in accordance with Information Security policies
• Responsible for configuring TCP/IP, network interface, assigning static routes and hostnames
• Responsible for adding new host machines to the network and managing permissions & moving files with sftp and scp.
• Allocating necessary space requirements for oracle database.
• Server Virtualization using VMware for Red Hat Linux and perform User Account management, data backups, and users' logon support.
• Worked with Logical Volume Manager (LVM) to create file systems, volumes in efficient manner and troubleshoot.
• Responsible for Creating, changing, and removal of user accounts
• Rebooting the LinuxBoxes after patching. Monitoring the logs for Issues.
• Monitoring Disk, CPU and Memory & Performance of servers using iostate and top/topas.
• Performing system monitoring to verify the integrity and availability of the hardware and operating system.
• Providing technical support during software deployments and operational incident.
• Identifying and analyzing security vulnerabilities that may exist on the system and applications.
• Scheduling backup of files, performed Operating System upgrades.
• Configuration and troubleshooting of actuarial applications in CentOS platform
• In-depth knowledge of NFS, DHCP, FTP. Knowledge of Internet and networking infrastructure design
• Performed data management using native CentOS utilities for archiving and compression.
• Updated and documented Helpdesk tickets with Remedy ticket system.
• Performed software troubleshooting and resolved network issues.

Environment: AIX, VIO, HACMP, Windows 2003, Linux, JBoss, Oracle, Mysql, VMware and Nagios Motoring.