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Sr. Systems Engineer /vmware Administrator Resume

Encino, CA

PROFESSIONAL SUMMARY:

  • 7+ years of experience specialized in System Administration working on Red hat Enterprise Linux (7/6/5), Suse Linux, Debian, AIX, Cent OS, AIX and Windows environments.
  • Experienced in monitoring, security, Trouble shooting, Backup, Disaster recovery, Maintenance and Support of UNIX systems
  • Experience in Installing, upgrading and configuring RedHat Linux 5.x, 6.x, 7.x using Kickstart Servers and Interactive Installation.
  • Experience in administering VMware Infrastructure Client 5.5, 6 and VSphere 5.5 and 6.0.
  • Creating Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues.
  • Developed and maintained Perl/Shell scripts for build and release tasks.
  • Develop and validate BMC Blade Logic Automation Scripts to aid in daily administrator tasks, deployments, monitoring and troubleshooting tools.
  • Knowledge on Integrating Spring (Spring MVC and Spring Boot) and Hibernate frameworks to develop end to end application.
  • Manage User profile through VMware UEM 9.1
  • Patching the ESX/ESXi hosts by using VMware Update Manager.
  • Installing, configuring and managing App Volumes manager through AVM console.
  • Experienced in VBlock,VMware vSphere 5.0/5.5/6.0, Vcenter server and ESXi 5.0/5.5/6.0, VMware Update Manager (VUM).
  • Performed the VMWARE hosts migration while upgrading the VMWARE from 5.5 to 6.0.
  • Maintained VMware tools like vSphere to manage VM's running on ESX cluster nodes for On - Premises infrastructure.
  • Managed users in AWS using IAM to provide assign policies and access.
  • Setting up the UCS Hardware and Managing, upgrading the firmware on UCS servers.
  • Experience in Veritas Netbackup 7.0 administration.
  • Installing Netbackup Master server, Media server and clients for Unix, Solaris, Red hat Linux.
  • Experienced with DYNATRACE for application performance monitoring .
  • Manage hardware software updates for Red hat Linux, Windows xp, windows7, windows server.
  • Create backup of computers using Windows Backup (NTBACKUP).
  • Strong expertise on implementation of Jenkins / Hudson, Teamcity as a Continuous Integration Tools Where I am involved in writing various Build Jobs for building artifacts of the project.
  • Troubleshooting and system related log analysis from OS, Software (VERITAS NetBackup) and Hardware perspective.
  • Expertise with upgrade of Symantec NetBackup application from version 5.x to 6.x and also 6.5 7.0 Installation, configuration, administration, and maintenance of Symantec NetBackup large scale Environments.
  • Worked on the monitoring tools like Splunk, Zabbix, Naggios & Solar Winds .
  • Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning and testing.
  • Installation, configuration and upgrade of Apache, Oracle & IBM Databases on the RHEL Systems manually and also through Puppet.
  • Experience on Web servers such as IBM Websphere 6.0, Tomcat 5.x/4.x/3.x & Apache Http Server 1.x/2.x, Oracle Weblogic V7/8/9.
  • Configured, maintained, applied changes and fail-over schedules of HA servers running Veritas Cluster Server and Red hat Cluster Server.
  • Configuring kernel parameter, file system & other rpm installation on RHEL server
  • Create and manage user accounts including SUDO access.
  • Experienced in APM tools like AppD , Wavefront by Vmware .
  • Setting up the UCS Hardware and Managing, upgrading the firmware on UCS servers
  • Demonstrated ability in installation, configuration and management of provision tools chef, Puppet and Ansible.
  • Migrated many applications running on Oracle 11g to Amazon Aurora using AWS Database Migration Service (DMS) and AWS Schema Conversion tool (AWS SCT) for converting schema objects like triggers, functions, indexes, constraints, tables .
  • Developing Scripts for build, deployment, maintenance and related tasks using Jenkins, Docker, Maven, Python and Bash.
  • Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
  • Creation of SAN File System on Red Hat Linux using multipath configuration.
  • Configuration of Network bonding which include Active/Standby and Active/Active.
  • Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
  • Configuring IP Tables/Firewall rules for new servers to enable communication with application.
  • Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostatetc) and tuned I/O, memory, etc.
  • Working closely with Architecture, Development, Test, Security and IT services teams.
  • Installing, Configuring and maintaining continuous integration, Automation and configuration management tools.
  • Team player with good management, analytical, communication and interpersonal skills

TECHNICAL SKILLS:

Operating Systems: RHEL 5/6/7, IBM-AIX 6.X,7.X, Windows 2008 R2, windows 2012, CentOs 5/6/7

Hardware: HP Proliant, Blade Servers, Sun Servers e450, e3500, e4500, e5000, e6500, e10k, e15k, e25k, Sun ultra’s, v210, v280, v490, v880, v6800 sun ray (1g ultra-thin client), HP ProLiant DL 380 G4/G5/G6G7, DL 580/680 DL-G5/G6/G7/G8/G8p, DELL R710/910/920

Software: Veritas Volume Manager5, Veritas File System, Veritas Cluster Server, MS-Office/MS-Project.

Web/ Application Server: Tomcat Apache, DB2, Oracle.

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, IOS, netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump.

Cluster Environment: Red Hat Cluster - Redhat 5, Redhat 6 and Redhat 7.

Programming Languages: C, SQL, Y ML and Shell Programming, ruby

PROFESSIONAL SUMMARY:

Confidential, Encino, CA

Sr. Systems Engineer /VMWARE Administrator

Responsibilities:

  • Administration of RHEL 7.x, 6.x which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
  • Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 4/5 and migrating servers between ESX hosts.
  • Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
  • Worked on the backup solutions like UNITRENDS, QUEST and COMMVAULT.
  • Implemented and managed App Volumes Manager and agent
  • Part of the development team of generic matching engine in JAVA, involving various design patterns and Spring framework
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
  • Since VMware provides a comprehensive monitoring tool which is included in most suite licenses, convinced the team to implement VMware vRealize Operations Manager solution. This solution helps in predictive monitoring and management of environment.
  • Creating and maintaining Pools in VMware Horizon view 5.2 environments.
  • Deployed and configured provisioning virtual machines for Appstacks and Defined application layers and created Appstacks
  • Configuring of Virtual switches and network connections and Remediating space issues on the datastores.
  • Deploying the New VM from the Template, Cloning an Existing VM and Provisioning and managing virtual machines,Working on CPU\Memory\disk addition requests for the VMs in production.
  • Worked on P2V migration using VMWare Converter .
  • Experienced with RHEL Satellite Server patch management .Installation and configuration of corporate server systems.
  • Worked with Active Directory, GPOs, DNS,DHCP, File & Print server, FTP.
  • Installing Netbackup Master server, Media server and clients for Unix, Solaris, Red hat Linux.
  • Performed activity like Netbackup Decommission for Media servers and Clients.
  • Scheduling of New Jobs / Modifying existing Backup Jobs on VERITAS netback up .
  • Providing support to 10g, 11g and 11g RAC databases.
  • Worked on Wavefront for monitoring logs from various sources of application.
  • Migrated physical SQL database servers to the virtual environment using Double take and VMWare vSphere 5.5.
  • Experience in configuration of NIS, LDAP, DNS, DHCP, NFS, LDAP, Automount, SAMBA, SMTP, FTP, SSH, Active Directory, Security management and Security trouble shooting skills.
  • Created LABELS for the slave nodes in Jenkins so that some particular woks can be done by particular Nodes.
  • Upgrading the OS versions of the production machines from red hat version 4 to red hat/cent OS version 6.8.
  • Creates Linux Virtual Machines using VMware Virtual Center. Installs upgrades and manages packages via RPM and YUM package management, Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
  • Performed extensive Logical Volume Management (LVM) tasks.
  • Implemented the automation process in the environment with the configuration tools ANSIBLE & PUPPET and Development tools like Jenkins
  • Managing the splunk server 6.5 and Creating production quality SPLUNK dashboards, reports and threshold alerting mechanisms.
  • Experience in NETAPP SORAGE MODELS, with project management skills to handle storage backup tools, server, Linux system server administration and red hat open stack cloud administration, VMware datacenter administration, trouble shooting .
  • Established Chef Best practices approaches to systems deployment with tools like vagrant and test-kitchen and Managing Chef Cookbook as a unit of software deployment and independently version controlled.
  • Branching, merging, Tabling, Tagging and Release Activities on Version Control Tools: TFS 2013, SVN, GIT.
  • Used Maven as build tool on Java projects for the development of build artifacts on the source code.
  • Configured Build Controllers Permissions to create or modify Build Agents.
  • Installing, configuring and troubleshooting Apache 2.2.x web server on RedHat Linux and Sun Java System Web Server 6.x, 7.
  • RPM and YUM package installations, patch and other server management.
  • Perform live upgrades from RHLE 5 to RHEL 6/7 for different application areas such as Oracle, DB2, ETL, Border Protection and other application areas.
  • Building the splunk server from the scratch and also performed the upgradations according to the upgradation path from 4.3 to 6.5 versions.
  • Performed the VMWARE hosts migration while upgrading the VMWARE from 5.5 to 6.0.
  • Monitored the systems and administered Servers for day-to- day problems, patches, user administration, and hardware failure, monitoring log files, backup, and software up gradation, configuration changes and documentation.
  • SENDMAIL configurations and administrations, testing the mail servers.
  • Configuring and maintaining compalent and Netapp Storages
  • Collecting Inventory Reports, preparing weekly/ monthly status Reports and Attending Customer meetings
  • Handle Unix related L3 level escalations or solve recurring issues in mission critical environment.
  • High skill with most Unix commands/utilities. Familiarity with most system administration tools and processes.
  • Providing 24x7 on call support for Critical / High Incidents.
  • Hardware refresh of Linux servers including new hardware, OS upgrade, application installation.
  • Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
  • Installed, configured, cloned VMs on VMware 5, Vsphere 4.0, configured ESX hosts, adding data stores to ESX hosts, creating vswitches, templates, migrating VMs across ESX hosts.
  • Experience in configuring VMware Cluster with HA and DRS enabled.
  • Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes..
  • Gathering requirements from customers and business partners and design, implement and provide solutions in building the environment.

Confidential, Omaha, NE

UNIX Administrator / Linux L3 Support specialist

Responsibilities:

  • RPM and YUM package installations, patch and other server management.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage on 2, 3, 4 node clusters.
  • Experience in backup and restore operation on multi Volume Manager, Logical Volume Manager (LVM)
  • Worked on the frame migration of XIV’s to DS8870 of AIX servers.
  • Installed and configured vRealize Operations Manager for Horizon
  • ESXi hosts installation and configuration (management network, vSS, vDS, datastores/LUNs, profiles)
  • Downloading and Upgrading FIRMWARE for HP ESL712e Tape Libraries.
  • Installing Netbackup Master server, Media server and clients for Unix, Solaris, Red hat Linux.
  • Managed Virtual Machines and Templates with VMware vSphere, VMware ESXi 5.1, 5.0, 4.1, 3.5.
  • Installed and configured DHCP, DNS (BIND, MS), Web (Apache, IIS), Mail (SMTP, IMAP), and file servers on Linux servers
  • Installation, configuration and upgrade of Apache, Oracle & IBM Databases on the RHEL Systems manually and also through Puppet.
  • Managed tuning and performance of high profile applications running on WebLogic Application Server.
  • Integration of Automated Build with Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments (Integration, QA, and Production).
  • Developed installer scripts using Maven, Python for various products to be hosted on Application Servers.
  • Used Dynatrace to Monitor application performance, System performance and logs for all hosts in the organization by installing Dynatrace agent in both Windows and Linux Servers, also monitored custom metrics on ActiveMQ Brokers.
  • Create and manage user accounts including SUDO access.
  • Creating a local YUM repository for updating packages.
  • Experience in creating VMware templates, performing the active Vmotions and cloning VMs.
  • Configuring IP Tables/Firewall rules for new servers to enable communication with application, Oracle 10g servers.
  • Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
  • Installation and configuration of VxVM 5.0 and creating disk groups, volumes, increasing volumes.
  • Coordinated with the Storage, Network and Hardware teams on server provisions.
  • Experienced in Troubleshooting critical hardware and software issues and day-to-day user trouble tickets.
  • Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
  • Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
  • Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostatetc) and tuned I/O, memory, etc.

Confidential, Houston,TX

Systems Engineer

Responsibilities:

  • Designing and configuring of Red Hat Enterprise Linux 6.x/5.x and large AIX systems P8/P7, Building VIO Servers LPRAS, VIO Client LPARS installed VIOS 2.3/2.2/2.1, VMware 6/5, vSphere Client.
  • Responsible for installation (using Kickstart), configuration and of Red Hat Enterprise Linux 4.x/5.x at other data center over the network.
  • Expertise in Performance Monitoring and Performance Tuning using Top, prstat, SAR, vmstat, ps, iostat etc.
  • Designed and implemented in LDAP a custom OID (Oracle Internet Directory) schema to migrate OID from HP-UX and centralize Oracle naming services in multiple security enclaves.
  • Worked on CommVault for environmental backups .
  • Setup Queues, Topics and Bridges in TIBCO EMS Servers.
  • Worked on Tibco suite of products like Tibco BW, EMS and Administrator.
  • Administered application LDAP to emulate Army AKO authentication for 1000s of users in the Development enclave.
  • Extensive experience in building servers using Jumpstart and Kick-start Process.
  • Expertise in package management using Red Hat RPM, YUM used in several Linux distributions such as Red Hat Enterprise Linux.
  • Expert in Installation, Configuration of Package and Patch Management.
  • Expert in extracting fields from the Splunk events.
  • Experienced in providing technical services to projects, user requests and data queries.
  • Maintained and managed assigned systems, Splunk related issues and administrators
  • Worked in configuration of Red hat Satellite server and Managed, configured and Maintained customer entitlements.
  • Created and maintained some 3000+ Linux servers and 1000+ AIX servers.
  • Uploading Red hat certificate, handling activations and deactivations.
  • Used RHN Satellite exporter command to channel all the packages and deploying rpm packages.
  • Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
  • Configuring NFS, NIS, NIS+, DNS, Auto Mount & Disk Space Management on SUN Servers.
  • Expertise in configuring and administering NIS, NIS+, NFS, DNS, LDAP, DHCP, Mail Servers and Web Servers like Apache HTTP & Tomcat in heterogeneous environments.
  • Experience in Configuring and Managing Virtual Disks, Disk Mirrors & RAID 0, 1 & 5 Levels.
  • Comfortable with infrastructure of Active Director utilizing standard practices strategies and protocols.
  • Experience with maven / ant java build environments.
  • Created/expand file systems in Linux (Volume groups and Logical Volumes) and Solaris using volume managers
  • Responsible for a LAB creation and the development, modification, installation and maintenance of software systems including UNIX and Windows operating system.
  • Experience in backup and restore operation on multi Volume Manager, Logical Volume Manager (LVM)
  • Disk and file system management through VERITAS Volume Manager.
  • Installation, configuration and administration on Red hat Cluster Server, Service Guard. Configured new service group & resources for new application in High Availability environment.
  • Installation of Packages and Patches.
  • Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
  • Installed configured and troubleshooted RedHat Linux 6.0 issues.
  • Configured Users & Security administration, backup, recovery and maintenance of various activities.
  • Advance level of experience in researching OS Issues, Applying Patches and opening the vendor Tickets
  • Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
  • Installed and monitored VMware Virtual environments with ESX 3.x, ESXi servers & Virtual Center 2.X.
  • SENDMAIL configurations and administrations, testing the mail servers.
  • Experience in adding and configuring devices like hard disks and backup devices etc.
  • Setup and configure Net Backup server / client & tape libraries.
  • Improve automation and productivity of backups through scripting enhancements.
  • Modify and Optimize backup schedules.
  • Created/maintained File System in Linux environment. Supported Oracle RAC.
  • Performed automated installations of Operating systems using Jumpstart, Flash Archive for Solaris and ignite for HP-UX.
  • Experience in Installing, configuring and maintaining RedHat clusters.
  • Provided 24x7 supports on pager rotation basis.

Confidential, Pittsburgh,PA

Unix/Linux Administrator

Responsibilities:

  • Installation and administration of RHEL 5.5, 6 and Cent OS 5.
  • Remote system administration using tools like SSH, Telnet, and Rlogin.
  • Planning and implementing system upgrades including hardware, operating system and periodical patches.
  • Automation of jobs through crontab and autosys.
  • Installed, configured, cloned VMs on VMware 5, Vsphere 4.0, configured ESX hosts, adding datastores to ESX hosts, creating vswitches, templates, migrating VMs across ESX hosts.
  • Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
  • Configured kickstart server and updating/applying patches to the servers using Red hat Satellite server.
  • Configured, tested and troubleshoot newly built linux servers with nic card configurations, TCP/IP and applications that ran off TCP/IP stack.
  • Installation, configuration and upgrade of Apache, JBOSS, Web sphere, MQSeries, Oracle & IBM Databases on the RHEL and OEL Linux Systems manually and also through Puppet.
  • Remote system administration using tools like SSH, Telnet, and Rlogin.
  • Planning and implementing system upgrades including hardware, operating system and periodical patches.
  • Applied appropriate support packages/patches to maintain system integrity.
  • Performed capacity analysis, monitored and controlled disk space usage on systems.
  • Monitored system activities and fine-tuned system parameters and configurations to optimize performance and ensure security of systems.
  • Pushing files, updates using CFEngine.
  • Creating profiles, manifests for new servers, and pushing them to servers using puppet.
  • Responsible for maintenance of development tools, utilities and to maintain shell, Perl automation scripts.
  • Creating virtual machines using Xen and deploying OS, managing hardware.
  • Creating, installing, Weblogic Application servers, deploying WAR, JAR files on them installed on both Linux, Solaris servers.
  • Installing, configuring Jboss 4.3 on Linux, Unix servers, integrating it with Apache server.
  • Monitoring of various services using Service Management Facility and Service Administration.
  • Installing, configuring Veritas Netbackup 6.5 on Linux, Solaris servers, creating backup polices.
  • Applied appropriate support packages/patches to maintain system integrity.
  • Performed capacity analysis, monitored and controlled disk space usage on systems.
  • Monitored system activities and fine-tuned system parameters and configurations to optimize performance and ensure security of systems.
  • Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
  • Responsible for maintenance of development tools and utilities to maintain shell, Perl automation Scripts.
  • Expertise in VMware vSphere 3/4/5 version ESXi and vCenter operations Management.
  • Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application server.
  • Administered application LDAP to emulate Army AKO authentication for 1000s of users in the Development enclave.
  • Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
  • Fine tuning of Servers and configuring networks for optimum performance.
  • Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
  • Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
  • Created new groups and tested first in development, QA Boxes and then implemented the same in production Boxes.
  • Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
  • Experienced in Troubleshooting critical hardware and software issues and day-to-day user trouble tickets.
  • Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
  • Configured servers and infrastructure running Red hat and JBOSS, using PUPPET to configure, install, manage and bring up JBOSS and applications.
  • Experience in applying patches and plug-ins for JBOSS application server.
  • Installed and configured JBOSS Applcation servers on DEV, QA and PROD Systems.
  • Migrated Applications from UNIX (Solaris, AIX and HPUX) to Linux (Redhat) systems.
  • Tuned OS parameters like SWAP and virtual memory setting s to improve the JBOSS performance.
  • Experienced in Troubleshooting critical hardware and software issues and day-to-day user trouble tickets.
  • Experience in implementing high availability clusters using Red hat Cluster Solution (RHCS) with EXT3 and EXT4 file systems, VERITAS Cluster with VERITAS volume manager.

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