SUMMARY:

• System Administrator having good experience of RedHat Linux (RHEL), CentOS, Windows & AWS engineer.
• Designed, configured, and deployed Amazon Web Services (AWS) for a multitude of applications utilizing the AWS stack (Including EC2, Route53, S3, RDS, Cloud Formation, Cloud Watch, SQS, IAM), focusing on high - availability, fault tolerance, and auto-scaling. Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, FTP, SSH and SAMBA.
• Having good exposure for large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning.
• Managed packages using RPM/YUM on Redhat Linux and maintaining patching on Solaris servers.
• Expertise in Installation, Configuration and file system management through VERITAS Volume Manager, VERITAS File System, Solstice Disk Suite and Logical Volume Manager (LVM) with multiple RAID Levels.
• Experience in setting up the enterprise infrastructure on Amazon Web Services (AWS).
• Experience in set up and maintenance of Auto-Scaling AWS stacks.
• Networking communication skills and protocols such as TCP/IP, Telnet, ftp, SSH, rlogin
• Experience in Implementing and Supporting High Availability Cluster environments using Veritas Cluster and Linux Cluster services.
• Storage mapping on Red hat linux and create the Volume group, Filesystems using Logical Volume manager
• Installed/Configured Redhat Linux cluster & Configuring the cluster resources
• Working on SAN storage on ESXI servers and assigning the LUNs to the Virtual Machines running on the ESXi server
• Installed and configured Jenkins for Automating Deployments and providing a complete automation solution.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, Firewalls, Intranet.
• Developed shell scripts (Korn, C Shell), Oracle, SQL Server, PL/SQL, PERL and Java Script.
• Experience in installing, maintaining and managing various rack mounted and Blade servers from Dell, Confidential, and IBM.
• Experience in monitoring infrastructure using Nagios.
• Installation, Configuration and Administration of VMware ESXi 5.0, 5.1, 5.5, 6.0, 6.5, vCenter Servers and also patching, management and troubleshooting of VMware, and ESX Servers and also install, configure and troubleshoot wintel
• Implemented Rapid VM deployment preparing templates, cloning and exporting VM to OVF format.
• Worked extensively on Templates/Clones/Snapshots & Resource pools P2V and V2V migrations using tools like VMware converter /Plate spin/Double Take.
• Configured scheduled tasks, alarms and alerts, CPU, Memory and Network Disk monitoring in VCenter. Done Patch Management of hosts and VM’s using VMware VCenter Update Manager.

TECHNICAL SKILLS:

Virtualization & Cloud Technologies: EC2, S3, IAM, SNS, SQS, SES, VPC, Route53, Auto-Scaling, ELB, Cloud Formation, Knowledge of VMware ESXi 5.5 (IaaS, PaaS, SaaS) and CloudStack

Hardware: Dell Power Edge server s, Confidential /PA-RISC, Confidential Proliant server s, Confidential DL 380 and 580, Confidential rp3440, rp4440, rx3600, IBM servers P510, P550, P570, AS/400, Cisco UCS, Dell.

Operating Systems: RedHat Linux 4/5/6/7, IBM-AIX 5.x/6.x/7.x, Confidential -UX 11.x, SUSE Linux 10/11, Ubuntu, VMware 4/5/6.

Tools: VERITAS (Volume manager, NetBackup, Cluster server), VMware (ESx, ESxi, Server and Workstation), Redhat Cluster, Veritas Cluster Server .

Languages: HTML, Java script, C, C++, Perl, Shell Scripting (Bash, Ksh), Python.

Application Servers: Web Sphere Application Server, Netscape/iPlanet Server, MQSeries, WebLogic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JVM, JSP, JBoss, Apache/Tomcat

PROFESSIONAL EXPERIENCE:

Linux Engineer

Confidential

Responsibilities:

• Installation, configuration and upgrade of RHEL 6.x, 7.x operating systems.
• Migrating the old servers like RHEL 4.0, 5.0 to the current satellite versions of 6 and 7.
• Monitored the issues with other users on the network and resolved them.
• Patched the servers with the latest updates and s which are used for the login purposes.
• Patched up the systems with the Linux servers and created tickets for the respective services to handle the issue.
• Implemented virtualization environment using Vmware.
• Monitored the systems CPU, memory, IDE/SCSI disks, disk controllers, RAID, and network parameters using the tools NAGIOS monitoring system.
• Installed, Configured and managed ESX VM's guests with virtual center and VI client
• Setting up AWS Cloudwatch and Custom Metrics to monitor AWS services.
• Troubleshooting critical networking and hardware issues and other day-to-day user trouble tickets in association with other administrators in the group.
• Defined and setup network printers and install client/server applications.
• Troubleshooting critical networking and hardware issues and other day-to-day user trouble tickets in association with other administrators in the group.
• Responsible for Monitoring system resources of database servers to assure production systems meet availability requirements and hardware enhancements are scheduled in a timely fashion.

System Administrator

Confidential

Responsibilities:

• Installation, configuration and upgrade of RHEL 6.x, 7.x, VMware 5.5, 6.0, 6.5, Windows 2008 R2, 2012 operating systems.
• Setting up AWS Cloudwatch and Custom Metrics to monitor AWS services.
• Implemented virtualization environment using VMware ESXi 6.5, 6.0, 5.5, ESXi Cluster, and vCenter Server.
• Migrated VMWare Virtual servers from one host group to new host group using vMotion..
• Configured Power Path for SAN devices and Performed Disk management with the help of LVM (Logical Volume Manager).
• Worked on AWS EC2 Cloud Instances using Amazon Images (Linux/Ubuntu) and configuring launched instances with respect to specific applications.
• Data migration from On-premises data center to the AWS Cloud
• Administrated server consolidation program through use of VMware ESX server and VMware Virtual Center, using Virtual Center, ESX, creating VMs, using/building VM templates and customization files, and scheduling tasks.
• Installed deployment and system configuration automation by Puppet server.
• Experience on Host Profiles, Distributed Switch, DRS, VMotion, SV-Motion, Resource pools, permissions, Patches, Snapshots, Tools Upgrade, disk expansions, Templates, and many more.
• Performance monitoring using Sar, Iostat, VMstat and MPstat on servers and logged to cacti monitoring tool for graphical view.
• Administered the rights for the users and groups for virtual center access.
• Worked on AWS services such as Setting up new server (EC2) instances/services in AWS, configuring security groups, and setting up Elastic IP's, auto-scaling config, and Cloud Formation.
• Configured AWS S3 buckets so as Dev team to perform CRUD operations by using the AWS SDKs.
• Performing change operations, performing Dist, backup, Recovery, Upgrade.
• Installation, configuration and upgrade of RHEL 5.x, 6.x, IBM AIX 7.1, Confidential UX, VMware 4.x,5.0,5.1,5.5, Windows 2008 R2, 2012 operating systems.
• Implementation of RAID techniques and creation disk groups and volumes, using Veritas Volume Manager. Managing disks and file system using Veritas Volume Manager(VxVM). Used configuration management tool puppet to automate server configuration.
• Monitored the systems CPU, memory, IDE/SCSI disks, disk controllers, RAID, and network parameters using the tools NAGIOS monitoring system.
• Installed, Configured and managed ESX VM's guests with virtual center and VI client.
• Configured and managed Red hat satellite Network server, performing package management tasks and errata updates.
• Huge P2V Experience using VMware converter running different applications with Different Hardware.
• Scanning the newly assigned LUNs to the serves and assigning them to volumegroup and increasing the filesystem using redhat volume manager. Mounting & unmounting the netapp storage LUNs to the Redhat Linux servers and troubleshooting the issues encountered.

Linux Administrator

Confidential, Houston, TX

Responsibilities:

• Installation, configuration and upgrade of Redhat Linux 3/4/5, VMware 4/5/6 operating systems.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Worked on virtual and physical Linux hosts and involved in day to day administrative activities such as maintaining user accounts, password management, providing advanced file permissions to specific users etc.
• Configuring distributed file systems and administering NFS server and NFS clients as per system user requirements.
• Configuration management including the building of LPARs using HMC and configuring the hardware devices that support them.
• Developed technical documents like handbooks, document installation configurations, and proposed resolutions for support processes.
• Provide technical assistance to the application development area and co-workers about system analysis, design and programming.
• P2V and V2V conversions by using VMware Converter, Double Take, Recovery Point Approach.
• Administration of VMware ESX and ESXi Servers on Cisco UCS, Confidential Chassis 7000, DL380P GN8.
• Experience on creating host profiles and deploy to hosts in a VMware clusters.
• Configured and implemented NIS, DNS master Slave servers along with required clients.
• Monitored the Linux servers on a regular basis and was into tuning them accordingly to optimize performance.
• Performed configuration of standard Linux and network protocols, such as SMTP, DHCP, DNS, LDAP, NFS, HTTP, SNMP and others.
• Building, Installing and configuring Veritas Cluster Server and Confidential MC service Guard
• Installed, configured and maintaining services Apache, Web servers.
• Configured ESX 5.x, 4.x with SAN Attached storage (LUN Assignments, Data stores).
• Involved in P2V, V2P Migration using Stand Alone VMware Converter Server and Plate Spin.
• Managing and implementing various projects with all phases of life cycle for virtualization.

Linux Administrator

Confidential

Responsibilities:

• Installing, configuring and updating Redhat Linux 5.x, 4.x servers using Kickstart. Solaris 8, 9, 10 servers using media, live upgrade and Jumpstart.
• Extensively worked on server build, Configuration and Administration of Sun/ Confidential /Dell servers from scratch with OS Linux (Red Hat & SuSE)
• Updated documentation of all the Servers and the installed applications and patches
• Installation and troubleshooting on VMware running Linux (RHEL, SUSE).
• Involved in Building and configuring Red Hat Linux Servers using Kickstart server as required for the project.
• Extensive use of volume management tools like Veritas Volume Manager to create disk groups, volumes with RAID 5, 01, 10, 51 architecture and Solaris Volume Manager to create layered volumes.
• NTP Server configuration for new clients and synchronized the clients with NTP server.
• Configuration and administration of DNS servers using BIND 8.4.6 on Linux as the Operating System
• Defined and setup network printers, and install client/server applications.
• Troubleshooting critical networking and hardware issues and other day-to-day user trouble tickets in association with other administrators in the group.
• Defined and setup network printers and install client/server applications.
• Troubleshooting critical networking and hardware issues and other day-to-day user trouble tickets in association with other administrators in the group.
• Responsible for Monitoring system resources of database servers to assure production systems meet availability requirements and hardware enhancements are scheduled in a timely fashion.