PROFESSIONAL SUMMARY:

• Over 9+ years of experience in UNIX/Linux/ System Administration.
• Extensive experience in Installation, configuration, tuning, upgrade of operating system and application.
• Experience in installing, managing vCenter Server, VMware ESXi Hyper - V.
• Experience in supporting ORACLE/Sybase/MYSQL Database.
• Experienced in AWS cloud servers. Build and supported AWS and VMware based cloud infrastructure.
• Hosting and cutover activities on Amazon AWS/EC2 and on Openstack.
• Experienced working in DevOps environment. Automated infrastructure using Puppet and shell script.
• Installed and Configured security and application tool like TCP wrappers, SSH, BIND, LVM (Logical Volume Manager), array and raid-manager, disk-suite, admin-suite.
• Installation/Configuration/upgrade of Hardware, Operating Systems, Software and Security related patches.
• Experience in managing and troubleshooting intranet, FTPand Mail Server and Managing Back-ups
• Experience in Installation, support and maintenance of UNIX/Red Hat Linux ES/AS 5.1/RHEL 5.x, 6.x, 7.0 Ubuntu 1404 servers.
• Experience in Troubleshooting of all aspects of the Unix/Red Hat Linux operating environments.
• Experience in Performance tuning, networking, system security, IO monitoring and analysis.
• Experience in version control system(GIT, Maven, Jenkins)
• Work on Continuous integration and continuous deployment (CICD) tool like Jenkins and Docker
• Understanding of disaster recovery implementations.
• Experience with installation and configuring SAP Business suite. Worked on SAP Central Services instance
• Knowledge in Oracle, MySql, Apache/Tomcat or Web Logic/JBoss Application Server.
• Extensive experience in Patching and upgrading operating system in Linux and UNIX environment.
• Experience in administration and maintenance of application service like DNS, Mail, HTTP, Apache, Tomcat, Squid, DHCP, SMPT, FTP, POP3, NIS, NFS and Samba.
• A good understanding of information security concepts, control mechanisms, counter-Measures and recovery methods
• Ability to lead technical discussions and projects in an organized manner
• Ability to document strategies and designs and present to these ideas to management with cost/benefit analysis
• Able to manage time effectively and to deliver on commitments
• Hands-on manual testing and Quality Assurance Analysis and UAT (user acceptance testing.)
• Strong interpersonal skills, including both written and verbal communication skill.
• Implemented and configured Kickstart/Preseed installation on RHEL/CentOS/Ubuntu
• Involved in XenServer,VMwareESXi, Windows 2012 installation on HP Proliant Moonshot Server cartridges.

PROFESSIONAL EXPERIENCE:

Confidential, Fort Collins, Co

DevOps/System/Lab Engineer

Responsibilities:

• Experience in Synergy 12000 Frame setup and installation.
• Involved in HP OveView Installation and Configuration.
• Involved in configuring FlexFabric shared uplink sets, SAN fabric, server profiles.
• Experience in 3PAR StoreServ 7000,7200 setup, installation and configuration.
• Worked in HPE Helion hybrid cloud solutions.
• Automated infrastructure using Puppet. Deployed Puppet, Puppet Dashboard and PuppetDB for configuration management.
• Build and supported LaasAWS and VMware based cloud infrastructure.
• Involved in designing and deploying a multitude applications utilizing AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and auto-scaling.
• Working with GitHub private repositories.
• Involved in maintenance and performance of Amazon EC2 instances.
• Involved in server backup in HP Data Protector system.
• Involved in installation and configuring H3C comware switches.
• OS deployment using RHEL Kickstart Ubuntu Preseed files.
• Involved in installation and configuration HP Insight Cluster Management Utility (CMU).
• Involved in XenServer,VMwareESXi, Windows2012 installation on HPE Synergy Server.
• Experience in PXE server configuration and installation.
• Experience in data center operation and network systems.
• Involved in configuring and managing SAP central services instances.
• Updates documentation & labeling for Server, Storage, appliances & related network patching residing in the datacenter.
• Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance.
• Good working knowledge of network & UNIX security procedures.
• Performs daily operational checks, reviews event management alerts and e-mails, and assists with audits of inventory and processes.

Environment: HPE Synergy Server, HP 3PAR 7200, 7400, DL Servers(Gen7,8,9), BL Servers(Gen7,8,9), SL Servers, HP 5900 Switch (Comware), XenServer 6.5, Microsoft Visio 2013, HPE OneView, HP Data Protector, Store Once, SAP, AWS

DevOps/System Engineer

Responsibilities:

• Installation, configuration and administration of RHEL 5/6/7, SUSE Linux 10/11/12, Sun Solaris 9/10/11 on vMwareESXi and physical server.
• Experienced in supporting and troubleshooting the issues in High availability, Production Environment.
• Migrated the current Linux environment to AWS/RHEL Linux environment and used auto scaling feature.
• Configured Security group for EC2 Window and Linux instances and also for puppet master and puppet agents.
• Supported AWS Cloud environmentLaaswith multiple instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Worked on maintenance and performance of Amazon EC2 instances.
• Experienced in migration and consolidation of RHEL, SUSE Linux and Sun Solaris Servers in Production data center.
• Involved actively in 24/7 On-Call support for Online Web Applications and Web Servers.
• Involved in RHEL Linux, Suse Linux Packages and Patch Management.
• Worked closely with DBAs and Application specialists while configuring, administering and troubleshooting the issues related to Databases and various Applications.
• Involved in Oracle Real Application Cluster build.
• Designing UNIX shell scripts (ksh, Bash and C shells) and Perl scripting for job scheduling and Administration.
• Experience in ServiceNow Ticket, Incident and change management.
• Performance Monitoring and Tuning on Servers using Performance Tools.
• Experienced in Unix Directory Service.
• Involved in day Unix user User administration tasks.

Environment: HP Bladeserver, Suse Linux, RHEL Linux, ServiceNow Ticket Management, Oracle Real Application Cluster, Windows 10, vMwareESXi 6, LDAP, AWS EC2

System Administrator

Responsibilities:

• Experience in BladeSystem c7000 Enclosure setup and installation.
• Involved in configuring FlexFabric shared uplink sets, SAN fabric, server profiles.
• Experience in 3PAR StoreServ 7000,7200 setup, installation and configuration.
• Involved in installation and configuring H3C comware switches.
• OS deployment using RHEL Kickstart Ubuntu Preseed files.
• Worked on AWS migration project.
• Involved in designing and developing Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon RDS, Amazon Elastic Load Balancing,Amazon SQS, and other services of the AWS infrastructure.
• Involved in OS deployment on HP Proliant Moonshot Server cartridges.
• Involved in installation and configuration HP Insight Cluster Management Utility (CMU).
• Involved in XenServer,VMwareESXi, Windows2012 installation on HP Proliant Moonshot Server cartridges.
• Experience in PXE server configuration and installation.
• Experience in data center operation and network systems.
• Experience in Java software tools installation in unix/linux.
• Worked on installation and configuration of DevOps Automation Tool Puppet.
• Worked on Sub versioning tool Like SVN and GIT.
• Updates documentation & labeling for Server, Storage, appliances & related network patching residing in the datacenter.
• Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance.
• Good working knowledge of network & UNIX security procedures.
• Performs daily operational checks, reviews event management alerts and e-mails, and assists with audits of inventory and processes.

Environment: AWS, HP Moonshot 1500 Chassis, HP Proliant m300,350,700,710,800 Server Cartridges, HP 3PAR 7200, 7400, HP EVA, DL Servers(Gen7,8,9), BL Servers(Gen7,8,9), SL Servers, HP 5900 Switch (Comware), XenServer 6.5

System Administrator

Responsibilities:

• Involved in complete Administration tasks on Red Hat Enterprise Linux/SUSE Linux and documentation for the projects executed.
• Installed, monitored and supported Web servers and Application Servers on Solaris and Linux environments.
• Installed, configured and Maintained RHEL 6.x/7.x on HP c7000 Bladesystem.
• Involved in installing and configure Oracle Clusterware and Oracle RAC.
• Experience in Installation and configuration of Java SDK.
• Experience in using VERITAS Volume manager. Created disk groups, volumes, volume groups and RAIDs using veritas volume manager. Creating new file systems, mounting file systems and unmounting file systems.
• Experience working with Storage Area Network (SAN), EMC CLARiiON,IBM XIV.
• Worked on cloud environment, AWS: created instances and migrated various applications toAWS.
• Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance.
• Creating and maintaining users, profiles, security, rights, disk space and process monitoring.
• User account management, worked with Perl, shell scripting (ksh, bash) to automate administration tasks.
• Experience in Networking, DNS, NFS and TCP/IP.
• Installation and configuration of CommVaultSimpana backup and recovery software.
• Good working knowledge of network & UNIX security procedures.
• Monitoring and reporting on all hosted servers (memory, disk space, log rotation, cleanup)
• Remedy (BMC) Problem & Change management application for management of problem tickets and production change requests.
• Excellent communication and strong interpersonal skills with ability to interact with end-users, managers and technical personnel.
• Provided production support in an on-call rotation in a 24x7 environment.

Environment: RHEL 5.x,6.x, Oracle Enterprise Linux, Oracle Database 12c, Oracle Fusion Middleware, VSphere 5.1, Windows 2008 Server, SharePoint 2013, BMC Remedy IT Management Suite

System Administrator

Responsibilities:

• Involved in installation and configuration operating system Red hat Enterprise Linux (RHEL5.3 and RHEL 5.4) in development and test environments almost six levels on HP physical servers and Virtual Machines
• Worked with VMware ESXi 4.0
• Designed, managed, implemented/ supported: Backup/Recovery/Archive, Security Startup/Shutdown, Mass Storage (SAN/NAS), OS Installations/Patches, Hardware/Software installation, Batch scheduling, Data center Migration, Application and Server performance
• Worked in adding new Users and groups and give sudo access in test and development servers and central file synchronization via sudoers, authorized keys, passwd, shadow, group
• Worked with DBA team in installing and configuring Oracle 10 g and 11g, Sybase, Db2 client v 8.1 and v9.0
• Involved in installing and configure Virtual Machine Using Oracle VM Manager
• Coordinated with application team in installation, configuration and troubleshoot issues with Apache, Web logic on Linux servers
• Used VERITAS Volume manager to create disk groups, volumes, volume groups, and RAID’s
• Involved in back up, firewall rules, LVM configuration, monitoring servers and on call support
• Involved in shell scripting for system/application in automating server task, installing and monitoring applications and data feeding file transfer and log files
• Involved in installing and configuring operating system Red hat Enterprise Linux in Production, QA and test environments on standalone IBM servers and IBM Blade Center Hardware
• Configured Kickstart for RHEL 5 to perform image installation through network
• Worked with Red hat Linux tools like RPM to install packages and patches for Red hat Linux Server and managed virtualized OS
• Worked on network connectivity, SAN storage, creating LVM and taking TSM backup
• Creating and managing user accounts and groups and their permissions and creating files and directories permission
• Co-ordinate with Middle ware team in installation, configuration and troubleshoot issues with WebSphere Application Server and Apache/Tomcat server on Linux
• Installed/Configured/Maintained/Administrated the network servers DNS, NFS and application servers Apache and Samba server
• Extensively worked with the LAN/WAN, firewalls and routing for Internet and Intranet connectivity using different protocols like TCP/IP, DHCP, HTTP/s, FTP, SMTP & SSH
• Involved in DMZ firewall rules, configure iptables and iptablesinit script, start and stop init script for Apache and other application server
• Created BASH shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation
• Modifying user’s password policies, group policy, UID and GID assignment policies
• Monitored the performance of the system using top, sar, ps, prstat, vmstat, netstat, iostat and cpuinfo to check the CPU utilization, bottlenecks of I/O devices, memory usage and network traffic
• To troubleshoot network connectivity used ping, netstat, ifconfig, and trace route commands. To login to the remote system using sudo, putty and telnet. To transfer files across the systems on the network used ftp and scp commands
• Linux technical support and prepared technical documentation for check in verification
• Regular backing up of critical data and restoring backed up data Worked in solving tickets issued on day to day activities and problems related to development and test servers
• Network installation server through automation tools Cobbler, install and deployment operating system, package management.

Environment: Red Hat Linux (RHEL 5), Oracle 10G, TCP/IP, DNS, DHCP, NFS, SAMBA, Apache, POSTFIX, POP3, SMTP, MySql, Oracle, JBoss

System Administrator

Responsibilities:

• System Installation and configuration (RHEL, Solaris, Windows Servers)
• Account, user and group administration, Permissions policy management and quota implementation.
• System performance monitoring, tuning and log management
• TCP/IP Networking troubleshooting and Linux Network Administration
• Installation, configuration, support and security implementation on following services:
• DHCP: Range of IP, Assigning fixed IP to MAC address
• Management of Firewall, iptables
• Implement and maintain server virtualization using VMware, ESXi, Oracle Virtual Manager
• Implemented and configured brand new VMWare virtual infrastructure cluster running on servers and an storage array
• Coordinated with application team in installation, configuration and troubleshoot issues with JBoss servers.
• Installation and configuration of database systems e.g. MySQL, Oracle
• Involved in creating virtual machine using Oracle Virtual Manager, Creating server pool,VM cloning
• System monitoring and remote connection management using telnet and SSH connections
• Experience in setup Storage area Network (SAN)and NAS and file system backup and restore
• 24x7 on-call rotation for support of production systems

Environment: Sun Solaris, Red Hat Linux (RHEL 4), Oracle, TCP/IP, DNS, DHCP, NFS, SAMBA, Apache, POSTFIX, POP3, SMTP, MySQL, Oracle, VMware

System Administrator

Responsibilities:

• Installation and configuration of Linux (RHEL) and UNIX (Sun Solaris) servers in production and test environments
• Operating system installation and configuration (methods including Kickstart, jumpstart), disc partition set-up, patch administration, package management including kernel upgrade
• Setup, maintenance, and operation of company-wide services such as DNS(BINDv8), mail (sendmail), www (Apache/SSL), Samba, and DHCP
• Implemented automated installations with Kickstart/Jumpstart, installed RPMs and packages. Always installed servers with the assumption that they will be unprotected on the network and therefore must be very secure. Wrote policies and procedures for securely deploying Red Hat Linux, Solaris, non-firewalled environments
• Configured storage using LVM (Logical Volume Manager) to configure volume group, logical and physical partitions and importing new physical volumes.
• Implemented RAID configuration for redundancy members of a team
• Configured Telnet, FTP, sFTP, SSH, iptables, Samba for the servers
• Deploy, configure and maintain Open Fiber based SAN/NAS units
• Performed reconciliation of checks and data migration from one tier to another
• System Design - designed, deployed and maintained multiple Linux-based FTP/MySQL servers for end users
• Disaster Recovery - Designed, built and maintained disaster recovery data center for company
• Networking Support -Routing, WAN/LAN, switching and VPN support
• System Deployment -Implemented new system imaging procedures to improve consistency in end-user computer system deployment
• Scripting and task automation using Corntab, Bash, Korn shell scripting
• Developed and implemented a network monitoring solution to monitor disparate networks

Environment: s: Red Hat Enterprise Linux, Fedora core, Sun Solaris, Windows 2003 server, TCP/IP, DNS BIND, SAMBA, APACHE,CISCO, SSH,MS Windows XP