PROFESSIONAL SUMMARY

• 8 years of IT experience in Linux/Unix, windows, VMware vSphere and Amazon webservices Systems Administration.
• Experience in Installation, maintenance and troubleshooting of Redhat Enterprise Linux 4/5/6.X/7.x, CentOS 5/6.x, Oracle Enterprise Linux (OEL) 4/5/6.x, Fedora, Ubuntu, Solaris and windows 2008/2012.
• Hands on experience on SAN storage Technologies Dell EqualLogic, EMC, Netapp and Hitachi storage.
• Strong technical knowledge of current network protocols and standards, including SAN, NAS LAN, WAN, VPN, TCP/IP, DHCP, DNS, SSH, FTP, SMTP, SFTP, SSL, NTP, FC, FCOE and iSCSI.
• Hands on experience on Remote installations via DELL DRAC, HP ILO and their firmware upgrades.
• Expert in performing hardware analysis, installation, network and security audits.
• Hands on experience on enterprise backup solutions like Symantec NetBackup, Evault Backup.
• Experience with LAMP stack configuration and management.
• Hands on experience with automating the tasks with shell scripting.
• Installing Linux using kick start and PXE boot.
• Hands on experience with installation and configuration of Apache webserver, tomcat and Jboss.
• Experience in Linux OS level security patching and Operating system upgrades.
• Good knowledge on LDAP and Kerberos authentication.
• Monitoring and troubleshooting CPU, DISK, MEMORY and Network related issues.
• Knowledge on Linux cluster configuration.
• Linux package management using YUM and RPM.
• End to end Systems Administration activities including installation, update and security, IPtables and SElinux (server hardening) and trouble shooting.
• Filesystem management using LVMs and adding the additional disk space as and when required.
• Hands on experience with Satellite server configuration.
• Experience on MySQL and PostgreSQL database installation and configuration.
• Experience in installation and configuration ElasticSearch (NoSQL) database.
• Experienced in migrating the on - premises to virtual and cloud environments.
• Hands on experience with Configuration Management tools puppet and Ansible.
• Hands on Experience on SVN and GIT version control systems.
• Having Knowledge and RabitMQ messaging system.
• Having hands on experience in deploying code through Jenkins and doing automation.
• Experience with HAproxy and Squid.
• Excellent communication and interpersonal skills combined with high commitment to achieve corporate goals and ability to work collaboratively in a team.
• Experience in implementing Cloud technologies that extends from Private, Public and Hybrid environments utilizing AWS.
• Extensive knowledge and experience in VMware virtualization technologies
• Experience in Managing/Monitoring VMware ESX 4.0, ESXi 5.5/5.1/4.1/4.0, and vSphere infrastructure.
• Installation, Configuration and maintenance of Hosted VMware products.
• Design, Implementation, Testing and Deployment of VMware Infrastructure.
• VMware vSphere client, Virtual vCenter Server.
• Creation, Management and Configuration of Virtual Machines, Clone and Templates.
• Customizing guest operating system on Virtual Machines.
• Hands on Experience in configuration of HA, DRS and Fault Tolerance Cluster technologies.
• Extensive knowledge on vRO, vRA, vCloud Director and Horizon view.
• Server Consolidation with VMware Converter (P2P and P2V Conversions)
• Snapshot manager and restoring a snapshot.
• System Administration-Managing Users, Groups, Roles and Access Permissions.
• Setting up and monitoring performance monitoring and capacity planning.
• Hands on experience on SRM configuration.
• Managing Tasks, Events and Alarms.
• Infrastructure design and setup on AWS Virtual Private Cloud
• Secure VPN Tunnel creation between AWS to In-house Data Center.
• Creating Cloud Formation scripts to launch AWS resources in a single click.
• Assigning EBS volumes to the instances to create mount points on the servers.
• Creating the VPC’s (Virtual Private Cloud) which includes private and public subnets and adding routes to the route tables.
• Providing access to the servers by adding specific ip’s to the security groups.
• Taking Snapshots of the EBS volumes.
• Working with AWS support team for Network related issues and VPN related issues.
• Worked on major other products like S3, IAM, RDS.
• Creating IAM users and attaching the users to specific policies.
• Creating the S3 buckets, objects and providing the permissions to access the buckets.
• Installation of Openvpn server and then providing access to the users to connect to servers.
• Experience in managing Windows systems, including Windows Server 2003, Windows Server 2008, Window Server 2012.
• Experience in managing Microsoft Active Directory to include implementation of GPOs, support of file and printer management services, DNS, Domain Controller replication, and organizational unit management.
• Migrating the VM’s from In-house environment to AWS.
• Ability to analyze, plan and execute complex client requirements effectively.
• Worked in 24x7 production environment and provided on-call and day-to-day support.

TECHNICAL SKILLS:-

System Administration: Unix (RHEL, OEL, CentOS and Solaris) and Windows

Virtualization: VMWare(VSphere) planning, implementation, Administration and troubleshooting. VSphere 5.5/5.1/4.1 / 4.0, ESX server 4.0, VSphere Client, VCenter, VMotion, Storage VMotion, VMware Update Manager, VMware Tools, VMware Converter, DRS, SRM, HA and FT.

Backup Environment: Symantec Backup/ Veritas Net Backup, Evault backup

Cloud Computing: Sound Knowledge on Amazon Web Services

Databases: MySQL, PostgreSQL, ElasticSearch (NoSQL)

Hardware: HP ProLiant DL 580, Dell PowerEdge R710, R610, R620, Fujitsu BX400, Fujitsu BX 920, Fujitsu BX924, Fujitsu RX500

Data Center Operations: Remote Infrastructure support, System Administration of various Operating Systems and Datacenter migration.

Application Servers: Apache, Apache with JBOSS Cluster, LAMP and Grid Director

Storage: Good Amount of knowledge on SAN and NAS administration (Dell EqualLogic, NetApp and Hitachi)

File Servers: FTP, NFS and SAMBA

Tools: Git, Puppet, Jenkins, Ansible, Cloud Endure, Nagios, Groundworks, CFG2HTML, RabbitMQ, HAProxy, Squid, xymon and Dell OpenManage and puppet

Scripting: Bash, Perl and python

PROFESSIONAL EXPERIENCE:

Staff Consultant

Confidential, Wood land hills, CA

Responsibilities:

• Install and configured vSphere 5.5.
• Install and configure vCenter Server components.
• Configure and manage ESXi networking and storage using vCenter Server.
• Deployed virtual machines.
• Installed centos 6.5 on 25+ VMS.
• Setup SSH password less login in OpenSSH.
• Perform post OS configurations like OS hardening etc.
• Install & configure require packages through YUM.
• File system management. LVM configuration & management.
• Actively engaged in troubleshooting efforts for OS, network, and/or applications, fine tune system for optimal performance.
• Configure and manage NFS/Samba file system and mounting at the client side by permanent mount
• Cron job Scheduling & management.
• User administration. Creating users, and groups, and assigning permissions. SUDO access management.
• Installed GridDirector tool on clustered environment.
• Configured ElasticSearch in clustered environment.
• Upgraded ElasticSearch version1.4 to 1.7 in clustered Environment.
• Developed Bash script to take backup and to restore Indexes of ElasticSearch database.
• Worked on analyzing, troubleshooting and administration of ElasticSearch cluster performance.
• ptimized performance by modifying Java heap of tomcat7 containers.

Environment: vSphere 5.5, CentOS 6.5, Grid Director, PostgreSQL, ElasticSearch-1.7 (NoSQL database), Ansible, Jenkins, puppet, Atlassian JIRA and tomcat7

Sr. Unix/Linux Systems Engineer

Confidential

Responsibilities:

• VMware Infrastructure vSphere 5.1 Installation & Configuration.
• Installation, Configuration and maintenance of Hosted VMware products.
• Design, Implementation, Testing and Deployment of VMware Infrastructure.
• Installation, Configuration and Administration of VMware VSphere5, VMware View.
• VMware vSphere client, Virtual vCenter Server.
• Virtual Networking (Virtual Switches, VM Kernel Ports)
• And Virtual Storage (Access Control and VMFS Data stores).
• Creation, Management and Configuration of Virtual Machines, Clone and Templates.
• Customizing guest operating system on Virtual Machines.
• Created DRS and Custom roles for users and Administrators
• High availability, Clustering, vMotion, Storage vMotion.
• Server Consolidation with VMware Converter (P2P and P2V Conversions)
• Snapshot manager and restoring a snapshot.
• System Administration-Managing Users, Groups, Roles and Access Permissions.
• Setting up and monitoring performance monitoring and capacity planning.
• Hands on experience on SRM configuration.
• Managing Tasks, Events and Alarms
• Installed OEL 6.3 on VMs.
• Configuring the private repository for accessing the packages with YUM.
• Creation of new users, groups, user passwords, changing passwords, managing user accounts and locking users and managing password aging policies.
• Setup SSH password less login in OpenSSH.
• Configuring the LVMs and adding the additional disk space as and when required.
• Prerequisites verification before go live like rpm's, creation of users, compilations, oracle pre requisites, tuning kernel parameters, setting users limits.
• Performing on system backups, file replications, script management for server and Media usage.

Environment: Dell PE servers, OEL 6.3, Hitachi HUS 130, Symantec NetBackup, Apache, MySQL and PHP.

Sr. Unix Systems Engineer

Confidential

Responsibilities:

• Infrastructure design and setup on AWS Virtual Private Cloud
• Linux and Windows Virtual Machine Setup on AWS.
• Instance setup and storage allocation, snapshots etc.
• Secure VPN Tunnel creation between AWS to In-house Data Center.
• Creating Cloud Formation scripts to launch AWS resources in a single click.
• Launching new instances using Amazon Machine Images (AMI’s) includes RHEL, OEL, and Windows Servers.
• Assigning EBS volumes to the instances to create mount points on the servers.
• Selecting the appropriate Instance types while launching the servers.
• Launching the Instances in both public and private subnets and assigning EIP’s to the Instances if required.
• Creating the VPC’s (Virtual Private Cloud) which includes private and public subnets and adding routes to the route tables.
• Creating security groups.
• Providing access to the servers by adding specific ip’s to the security groups.
• Taking AMI’s for Instances both hot and cold.
• Taking Snapshots of the EBS volumes.
• Working with AWS support team for Network related issues and VPN related issues.
• Worked on major other products like S3, IAM, RDS.
• Installation on AWS CLI tools on the servers.
• Creating IAM users and attaching the users to specific policies.
• Creating the S3 buckets, objects and providing the permissions to access the buckets.
• Installation of Openvpn server and then providing access to the users to connect to servers.
• Launching the RDS instances and providing the access to the RDS instances.
• Migrating the VM’s from In-house environment to AWS.
• Creating File system, partitions for EBS volumes and mounting them on mount points.
• Creating LVM’s for partitions.
• Extending the EBS volumes and LVM’s as well.

Environment: AWS, EC2, IAM, S3, EBS, Security groups. CentOS 6.5, PostgreSQL, Apache and Memcache

Sr. Unix Systems Engineer

Confidential, San Diego, CA

Responsibilities:

• Install and configured ESXi 4.0 on PowerEdge servers.
• VMware Infrastructure 4.0 vSphere Installation & Configuration
• Virtual Networking (Virtual Switches, VM Kernel Ports).
• Deploy OEL 6.5 on Virtual Machines.
• Creation, Management and Configuration of Virtual Machines, Clone and Templates
• Customizing guest operating system on Virtual Machines.
• Created DRS and Custom roles for users and Administrators.
• High availability, Clustering, VMotion,
• Snapshot manager and restoring a snapshot.
• Managing Tasks, Events and Alarms
• Perform post OS configurations like OS hardening etc., Install & configure require tools through YUM.
• Configure NIC bonding, administer the NIC settings.
• Configured different RAID (RAID0, RAID1, RAID5 with hot spare etc.…) levels based on requirement.
• File system management. LVM configuration & management.
• Security configurations, Logs auditing and OS patching via YUM.
• Actively engaged in troubleshooting efforts for OS, network, and/or applications, fine tune system for optimal performance.
• Configure and manage NFS/Samba file system and mounting at the client side by permanent mount
• User administration. Creating users, and groups, and assigning permissions. SUDO access management.
• Install and configuring all prerequisites as per DBA & Applications team.
• Configure and manage ESX/ESXi networking and storage using vCenter Server
• Deployed virtual machines
• Manage user access to the VMware infrastructure
• Use vCenter Server to monitor resource usage
• Use vCenter Server to manage higher availability and data protection
• Installed and configured the ESXi cluster with HA and DRS
• Implemented vMotion & svMotion
• Installed and configured the Dell Equal Logic storage, Assigned LUN’s to LINUX hosts and ESXi
• Monitoring Linux Servers on daily basis

Environment: Dell Power Edge R610, R620, R710, R720, VMware ESXi 4.1, OEL 5.6, Windows 2008R2 and Dell EqualLogic.

Sr. Unix Systems Engineer

Confidential

Responsibilities:

• Support Roles and Responsibilities for Confidential clients:
• Monitoring and Maintaining Linux servers and Cluster Services deployed and ESX servers using groundwork’s.
• Installation and monitoring agents on servers.
• Installation and configuration of SVN.
• Prerequisites verification before go live like rpm’s, creation of users, compilations, oracle pre-requisites, tuning kernel parameters, setting user limits.
• Monitoring backups, installation of backup agents, creating restoring backup jobs, Media usage.
• Printer installation and management.
• Configuring Send mail to send emails from the servers.
• Monitoring instance refreshes.
• User management and documenting.
• Experience in Linux OS level security patching and Operating system upgrades.
• Occasional kernel upgrade and firmware upgrades.
• Regular SAN snapshots and cloning and used to present to required hosts for DBA activities.
• Maintaining inventory through SVN.
• Regular updates to clients and Issue escalations as per SLA’s defined.
• Scheduling of Maintenance tasks.
• Automating of Tasks by preparing customized scripts in BASH and PERL as per requirement.
• Migrating VM’s from one ESX server to other using vCenter when required.
• Creating new backup policy based on the requirement
• Configuring new storage unit when newly added on the network
• Initiating backup and restore when required
• Troubleshooting various backup exit status codes
• Expiring tapes based on the requirement (older than 3months)
• Monitoring NetApp filers (clustered environment) through auto support logs/alerts
• Managing NetApp Volume/Luns/Snapshots
• Creating and mapping luns when required from NetApp and Dell EqualLogic SAN.
• Increasing as per the client requirement.
• Working with NetApp vendor for storage related issues such as disk failure, firmware update.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Actively engaged in troubleshooting efforts for OS, network, and/or applications
• Analyze the performance of the UNIX system to identify memory, disk I/O and network problems using ps, vmstat, top, tcpdump, netstat and iostat.

Environment: RHEL (4,5,6), OEL (4,5,6), CentOS (5,6), PostgreSQL, Netapp Storage, NetBackup, Evault backup, Send mail, Squid, HAproxy, VMware ESX 4.0, ESXi 5.5/5.1/4.1/4.0, MySQL, PostgreSQL, Oracle, Nagios and Groundworks.