SUMMARY

• Around 8 years of IT experience in OEL/Redhat Linux/Solaris/IBM AIX as a DevOps, Systems and Network Administrator
• Installing, upgrading and configuring SUN Solaris 8, 9,10 and 11 on Sun Servers Using Jumpstart Servers and Opscenter.
• Installing, upgrading and configuring RHEL/OEL using kickstart server on VMWare.
• Experienced in upgrading Solaris system kernel Firmware (Emulex, QLI) upgrades from Low to High version
• Installation and configuration of Zones under Solaris10 using Puppet.
• Experience in Installing and Configuring Centrify (Integration of Active directory) on IBM AIX servers and also responsible for Administration tasks.
• Expert in Installing, configuring and maintaining apache/tomcat, samba, and sendmail, WebSphere Application Servers in different Environments like Solaris, Linux and AIX.
• Expert in writing scripts using various scripting languages like shell/bash/perl to ease administration tasks.
• Expertise in implementation and designing of disaster backup and recovery plan.
• Working Knowledge of networking (TCP/IP, Ethernet), FTP, NFS, NIS, DNS, DHCP, SNMP and RAID levels.
• Expertise in Configuration Management tools using Puppet, Chef & Ansible.
• Experienced in Test Automation and CI - CD to build code collaboratively, submit teh master branch, checking for issues.
• Management of Servers using SCCM, SCOM, Zabbix, SMS and Nagios.
• Implementing virtualization using Zones, KVM, Docker.
• Expertise in Patch and Package Administration, Performance Tuning on UNIX and Migration.
• Experience in Open Source Continuous Delivery and Automation Server using GoCD for increasing productivity and deliver high quality through automation.
• Experience in installing & Configuration of High Availability Cluster Multi-Processing HACMP for AIX environment
• Experience in Configuration of multiple logical subsystems using IBM HMC with LPAR configuration, NIM to install LPAR.
• Excellent hands on experience in OpenStackEnvironment Implementation.
• Efficiency in installing, configuring and implementing teh RAID Technologies using various tools like VERITAS volume manager, Solaris volume manager & Solstice disk suite.
• Hands on Experience in managing teh Linux Infrastructure Environment with Puppet Configuration Management Tool.
• Experienced in teh Integration of Application/Middleware servers in teh UNIX environment.
• Implementation of Linux and Cloud solutions for building OpenStack for Large Enterprise deployments.
• Experienced in JAVA programming.
• Experienced in teh implementation and designing of disaster backup and recovery plan.
• Experienced in installing, configuring and setting up tools like Nagios, Splunk, Hadoop, SYSLOG, Puppet.
• Experienced is using Python with Django for Server Security
• Experience in using Hardware (HP/Cisco UCS) Blades, Chassis, Monolithics and Supporting Devices.
• Experience in Configuring & Administration of SAN/EMC (Symmetrix/Clariion) Disk Storages devices, DNS and NAS storages on all UNIX and Linux servers.
• Expert in writing Shell scripting using Ksh/Csh/bash/Sed/Awk to ease administration tasks and experience with programming in Perl, Python, Java.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, & Firewalls.
• Experienced in working with different teams such as Network Engineering, Database, storage and application teams to resolve teh issues and provide Customer Satisfaction.

TECHNICAL SKILLS

Operating System: Solaris 11.x/10/9/8, Red Hat Linux(RHEL)7/6.x/5.x, OEL 7.x/6.x/5.x, AIX 5.3/6.1/7.1/7.2, Windows xp, 7, 8, 10

CI/CD Tools: GoCD, Gitlab, GitHub, Jenkins, Nexus, Maven SonarQube

Configuration Management Tools: Puppet, Chef and Ansible

Hardware: Sparc T3-x, T4-x, 5220, 5240, 4500Server, HP-DL360,9000, IBM RS/6000 & PSeries, DEC DS20, ES40, ZT Systems, Citrix Netscalers, Monolithics, Raspberry Pi

Web /Application Server/Tools: Tomcat, Apache, IBM RSA/WAS, Web Logic, Oracle MTA, SMS, Splunk, Hadoop, Nagios, Zabbix, SYSLOG, SCCM, SCOM, SNMP

Cluster server: Veritas Cluster, Sun cluster

Scripting Languages/ Automation: Shell, Bash, KSH, Perl, Python, Ruby, Chef & Puppet, Java, Terraform

Firewall: Symantic, Cisco Checkpoint

Databases: Oracle, DB2, Cassandra

Tape Hardware: Storage tek Tape libraries L40, L80, L180, L700, Sl500, Sl850, DAt & DLT, STK 9940B, 9840B, LTOs

Build Tools: Maven, ANT, MS Build and Gradle

Cloud services: AWS EC2, VPC, ELB, IAM, SNS, RDS, EDS, Cloud Watch and OpenStack

SCM Tools: Clear Case, GIT, Stash and Bit-Bucket

PROFESSIONAL EXPERIENCE

Confidential, Sunnyvale, CA

DevOps & System Administrator

Responsibilities:

• Installation, configuration and upgrade Of RHEL, and OEL Linux, on HP and Sun/Sprac (T3-x, T4-x) Servers.
• Allocated resources to teh Virtual Machines based on teh requirements from teh Users.
• Engineer, build Servers to include teh installation and maintenance of multiple OS packages such as Linux (RHEL, OEL, CentOS), Solaris.
• Implemented AWS solutions using EC2, S3, RDS, EBS, and Elastic Load Balancer, Auto-scaling groups, Optimized volumes and EC2 instances.
• Built teh Software bundles by combining multiple rpm packages using Puppet modules.
• Worked with Ansible and Puppet to automate teh process for system-wide configuration and management of Linux servers.
• Configured servers, services, service groups, monitors, VIP (virtual IP) on CITRIX. Worked on F5 for load balancing.
• Involved with Applications & middleware teams in writing teh Program Scripting for automating teh data transfer and file transfer tasks using JAVA and Python.
• Installation & Configuration of Webservers like Apache 2.2 and Application servers like Tomcat7 on teh existing Linux servers to fulfill teh needs of Development teams.
• Using JAVA for teh Development of Applications for teh clients.
• Management of OS using SCOM and SCCM.
• Built Continuous Integration environment Jenkins and Continuous delivery environment.
• Have developedSimple Network Management Protocol (SNMP)agent for Communication between Client and Server.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.
• Written and maintained Puppet & Chef modules and manifests for various automation and configuration management efforts.
• Worked on Git Repository, SVN (Sub Version Control), used for teh purpose of Code check-in/checkouts and merging of branches in various scenarios.
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with DEV/Test/Prod Branching Model for weekly releases.
• Experienced in writing server side hooks for custom Git repository requirements using Bash Scripting, Perl and Python.
• Responsible for integrating teh Development team activities with Application requirements by writing teh scripts using bash, perl and python to automate specific set of jobs/tasks.
• Designed, developed, coded, tested and implemented Python 2.7/Django, Splunk Security application to track customized frag-packet activities to detect intrusions and events at defined end-points.
• Install, Configure and updateVMware ESXi 4.1 toVMware ESXi 5.0/5.1/5.5/6.0, vCenter 5/6 Servers.
• Extensive security testing in multiple Virtualization platforms such as Vmware, HyperV and OpenStack on an end-end system from ground up.
• Provide level high support for ESXi servers running on HP ProLiant BL460’s/HP DL 580’s/380’s and Windows/Linux Virtual Servers.
• UsedTerraform scripts to Automate Instances for Manual Instances that were launched before.
• Serve as teh escalation point for all Microsoft Exchange issues related to teh Desktop Initiative Solution
• Performance Tuning and Management of OEL & Solaris UNIX Kernel.
• Monitoring system resources, logs, disk usage, scheduling backups and restore

Confidential, San Antonio, Texas

DevOps & System Administrator

Responsibilities:

• Developer to align process and tools, such as branching source control structure dependency management Linux/Windows hybrid build infrastructure, code review & check-in policies, that are developed and instrumented by DevOps teams.
• Managed Ubuntu, Linux and Windows virtual servers on AWS EC2 using Chef server.
• Designed and deployed virtualization solution with Solaris 10 zones/containers in production running on Sun/Solaris hardware.
• Used Configuration Management Software’s SCCM, SMS and SCOM to manage OS Linux/Unix and Windows NT
• Installation, Configuration & Upgrade of Linux, Solaris operating system.
• Installation, Configuration and Administration of High Availability Virtual Cluster Servers for failover and redundancy purpose.
• Administration of IBM AIX, Sun Solaris application and database servers.
• Involved in configuring S3 versioning and lifecycle policies to back up files in Glacier and configured S3 to host static web content.
• Have ImplementedEnterprise Management Softwareusing Simple Network Management protocol
• Installation of Websphere, upgraded to service pack updates, installed IBM patches, configuring and creation new admin & managed servers, start & stop Websphere server using Puppet.
• Experience with configuringAnsible on servers and usingAnsible for deploying packages to multiple nodes.
• Worked on establishing connections to clients using SSH keys with masterAnsible node and writingAnsible Playbooks for various deployments in production and non-production environments.
• Implemented Continuous Integration and Continuous Delivery (CI & CD) Process stack using GIT, Jenkins andAnsible.
• Worked on Netscalers for load balancing.
• Architecture and development of an object oriented Perl script used to retrieve and load teh prescriber information files received from HCIdea.
• Deploying teh OpenStackcomponents on multimode with High availability environment, and Cluster architecture.
• Managed AWS infrastructure as code usingTerraform.
• Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Chef/Puppet.
• Maintained Puppet & Chef modules and manifests for various automation and configuration management efforts.
• Automation using Python Scripting with Django for Server Secrurities.
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc
• Used GoCD to configure dependencies for fast feedback and on-demand deployment.
• Performing JAVA programing for teh Development of Applications for teh clients.
• Administration of NFS, NIS, DNS, Samba and Sendmail servers.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to environments.
• Designed and developed new back-end services, maintaining and expanding our Amazon Web services infrastructure.
• Provided 24X7 support for large number Production, Development and Test systems.
• Co-ordinating with Sun Support engineers to resolve high priority issues.
• Setup, maintain and management of user accounts and groups according to teh security needs and adding teh packages and patches when needed.
• Intiating Backups on daily basis and monitoring teh scheduled backups.

Confidential, Sacramento, CA

System Administrator

Responsibilities:

• Performed system administration of UNIX servers by using Operating Systems of Solaris 7/8
• Managing SUN Solaris, Compaq and Linux workstations and servers.
• Installation of patches and other software packages.
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Performed cross platform audits of Active Directory (AD) objects and user permissions.
• Configuration of servers, services, service groups and monitors. Implemented F5 for load balancing.
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Implemented AWS solutions using EC2, S3, RDS, EBS, and Elastic Load Balancer, Auto-scaling groups, Optimized volumes and EC2 instances.
• Setting up teh build and deployment automation forTerraform scripts using Jenkins.
• Information assurance for tanHP-UX and Linux environment according to teh latest STIG, SCAP scans performed and servers hardened.
• Performed Tier II-III O&S responsibility of teh Production MS Exchange Environment including establishing and maintaining configuration, and recovery documentation for designated systems.
• Managed User Accounts on WindowsNT and UNIX Platform (Creation, Deletion, Permissions, and VPN Access).
• Created document, and implement department process, and procedures associated with administration of teh Exchange.
• Managed Servers using Nagios, Zabbix and SMS.
• Disk and File system management through LVM (HP-UX, AIX, Linux)
• Build applications using JAVA programming.
• Configuration and maintenance of NIS, NFS, DHCP and DNS Servers on Solaris.
• UsingVMware vCenter, created Datacenter Environment by creatingVMware clusters, adding ESX hosts in teh clusters, and implemented HA and DRS.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Assist in teh development of patches and executing teh implementation of those patches into teh production environment.
• Worked with teh Test, Engineer, and Transition teams on teh development of patches that will be applied to teh Production System.
• Independently designed & developed Object Oriented Perl application called TFT Submit for testing Cisco router features.
• Troubleshooting Backup and Restore problems and performed Day-to-Day trouble shooting for teh end users on Solaris based applications.
• Performed OS upgrades and Patch loading as and when required.
• Install, maintain, and troubleshoot complex high availability systems.
• Backing up and restoring files across teh network.
• Responsible for Installation of various software components on several servers.
• Installed and Configured Sendmail Utility on Sun UNIX Servers.
• Administering NFS Mounts.
• Troubleshooting Backup and Restore problems.

Confidential, St PAUL MN

Linux Admin

Responsibilities:

• Installation, configuration & administration of RED Hat Linux5, RHEL 4.0/ RHEL 5.0
• Installed and configured of hardware and OS on servers, workstations and me/O devices on E4500 environment.
• Used VERITAS Net backup tool for Backup and recovery.
• Responsible for DNS and Configured DNS Servers and Clients and troubleshooting system and DNS issues.
• Implemented Server consolidation and virtualization using UML Linux, XEN and VMware virtual infrastructure, VMware ESX, VMware Vcenter
• Allocated resources to teh Virtual Machines based on teh requirements from teh Users.
• Package, Patches management, Migration, Integration & distribution in development, Testing, QA, Training, Production environment. (Testing: UAT, SIT, OAT, Performance testing).
• Installation, Configuration and Administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose.
• Management of Servers using SCOM and Nagios.
• Created Korn Shell Scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• For teh dynamic datacenter performance worked with different virtualization techniques on Solaris-10.
• Deploy and manage Datastore for all VMware ESXi hosts
• Monitoring a Fictitious Network Using Simple Network Management Protocol (SNMP) and Python.
• Responding to User requests via ticketing system related to system access, logon issues, home directory quota, file system repairs, directory permissions, disk failures, hardware and software related issues.
• Involved with Applications & middleware teams in writing teh Program Scripting for automating teh data transfer and file transfer tasks using JAVA and Python.
• Installation and configuration of AIX v5.3/6.1 on IBM pSeries Hardware.
• Perl Application and Perl Module Development in Object Oriented Perl on Solaris, RHEL Linux, Informix, Bash.
• Involved in preparation of functional and system specifications. Estimated Storage requirements for applications.
• Installed of all teh required Software, patches, documentation, licensing trouble shooting.
• Setup various user profiles, environment variables/security to ensure smooth operation.
• Used Smitty (AIX) tool for Printers, Applications, Processes, Services, Software License Management, Software Installation, Users and Security Management.
• Involved in working in teh AIX environment and was responsible for installing & Configuration of HACMP: High Availability Cluster Multi-Processing.

Confidential

Jr Unix System Administrator

Responsibilities:

• Installation and customization of Sun Solaris and Window NT servers.
• Worked on a variety ofUnix Platforms (AIX, Solaris, HP-UX, and Linux)
• Patch installation, regular maintenance.
• Supporting 150 Servers for multi locations.
• Oracle installation & system level support to clients.
• Amendment of existing scripts as well as writing new Bourne and Korn scripts related to repeated systems administration tasks.
• Managed server on VMware vshpere, and Configure Linux guests in a VMware ESX environment.
• Troubleshooting and resolving of problems related to hardware, operating systems, third party applications and scripts
• Troubleshooting of Servers.
• Backup Schedules for Solaris and Windows Servers using DLT Tape drives.
• DNS, NFS, NIS administration.
• Installation, Configuration of Web Servers using Apache, IIS on Solaris and NT Servers.
• Installation and configuration of Windows NT4.0, MS Back Office Products
• Network Solutions to various clients using Windows NT.
• Configuring Windows 7, XP and NT workstations in NT domains.
• Installation of RAS on Windows NT server