SUMMARY

• System Engineer with 9+ years of experience in Devops, automation, SCM, administration support, design, implementation, maintenance, tuning and troubleshooting of the servers running on various operating systems Red hat Linux /CentOS 4.x/5.x/6.x and VMWARE ESXI 5.0/5/1/5.5.
• Over 3 years of experience working on Continuous Integration and Delivery Platform as aDevOpsEngineer.
• Experience in System Administration on Red HatLinux, Ubuntu, IBM AIX, SUSELinux, Sun Solaris Server environments.
• Experience in working with variousAWSServices like EC2, S3, ELB, Auto scaling, Route53, SNS, SES, Cloud Watch, RDS, Dynamo DB, VPC, Cloud Formation.
• Expertise in implementing configuration management tools Puppet, Chef, Ansible and treating Infrastructure as Code
• Experience in managing servers on the Amazon Web Services (AWS) platform instances using Puppet, chef configuration management.Good Experience in build automation using JENKINS, MAVEN, ANT.
• Implemented app logging service using logging tools, such as Splunk developed and deployed stacks using AWS Cloud Formation templates.
• Experience in virtualizing RHEL and Windows environments withVMwareESX 3.5, 4.0 and ESXi 5.0/5.1/5.5 on Dell PowerEdge, HP Proliant and Cisco UCS Hardware.
• Coordinate/assist developers with establishing and applying appropriate branching, naming conventions Using GIT and Subversion (SVN) source control.
• Experience writing Ansible playbooks and deploying applications using Ansible.
• Experience in working on testing the applications developed in Java, Python and Shell.
• Worked with HP DL and Dell Power Edge Model rack, HP blade centers like HP C6000 & C7000 and Cisco UCS.
• Expert in Jumpstart and Kickstart Installation Methods.
• Installing and updating packages using YUM (custom YUM Servers/repositories) and Red Hat Satellite Server.
• Expertise in Veritas Clustering, Redhat Clustering, Veritas Volume manager and Veritas Net Backup.
• File system tuning using Veritas File System (VxFS) and Logical Volume Manager (LVM).
• Expertise in Installing and Managing LDAP, NIS, NFS, FTP, DHCP, SAMBA, SSH and DNS.
• Experience in shell, Python scripting using sh, bash and ksh.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in RedHatLinux.
• Worked on Chef Cookbooks and Puppet, Ansible based modules to achieve automated continuous delivery services.
• Installation and Configuration of Red Hat Satellite Server
• Develop custom scripts and plugins for Nagios using Perl, Bash, Powershell and other scripting technologies.
• Experience in configuring and maintaining the Webservers like Apache, Tomcat and App servers like Weblogic, WebSphere and JBoss.
• Capable of handling multiple tasks and work TEMPeffectively both in a group and as an individual to meet deadlines.
• Experience with software development methodologies such as Waterfall & Agile (Scrum).
• Installing, configuring and administering Jenkins CI tool onLinuxmachines.
• Expertise in Installations, Kernel Upgrades, Patches, Configuration, Performance tuning on UNIX system software & hardware.Performed day - to-day admin activities like managing LVM disks, file systems, user creation.
• Applied Java security patch to WebLogic server domains. Deployed Java EAR files.
• Experience in Adobe Experience Manager (AEM) including image and Videos (Digital Asset Management - DAM) using Scene 7 and Content Delivery Network (CDN)
• Worked extensively on LAMP and LEMP stacks in production environment.
• Experienced in scheduling different admin tasks using crontab utility.
• Expertise in implementation and maintenance of DHCP, NFS, NIS, DNS and Apache SMTP.
• Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.
• Experience with installation and support of applications which include Apache, Tomcat, Weblogic, Websphere, Jboss.
• Responsible for the design, configuration, and deployment of HP-UX Virtual Partitioning, HP Integrity Virtual Machines, and HP Containers.
• Good knowledge in configuring RAID using RAID Manager and LVM in SAN (EMC, NetApp, Vblocks) and Host based storage arrays.
• The stateless services are deployed, scaled and managed using the Apache Mesos and Marathon frameworks.
• Exposure to Mesos, Marathon, Consul & Zookeeper cluster environment for application deployments
• Experienced in Nagios monitoring system performance and checked the status of the system using utilities such as SAR, TOP, NMON, VMSTAT, IOSTAT, etc.
• Supported WebSphere application server, IBM HTTP/ Apache Web servers for various projects.
• Utilized tools such as Chef, Terraform, and Jenkins in conjunction with custom Python and PowerShell scripts to automate infrastructure deployment and auditing.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP and RAID.
• Repair or replace faulty equipment such as defective and damaged telephones, wires, Fiber switching system components, and associated equipment
• Experience in configuring Red Hat Satellite Servers 5.3/5.4/5.5 on RHEL 5.x/6.x servers
• Applied Linux Patching and created RPM packages and YUM repositories.
• Deployed Bonding Concept on Red hat Linux Servers supporting Middleware applications
• Experienced in VERITAS volume manager, configuration and maintenance of VERITAS File system and Red hat Cluster on 2 node Active and Passive configuration.
• Installed, configured and managed VMWARE infrastructure (ESXi, Virtual Center).
• Managed Hosts and Clusters, Resource Pools, VSphere HA, VSphere Vmotion, Storage vmotion, DRS, VSphere Upgrade and configured standard and Distributed Switches in VMware Environment.
• Performed VCOPS to maintain the health checks of the VM’S running Windows and Linux.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat/CentOS 5/6, SUSE 7/8, RedHat Satellite), IBM 6/7,VMWARE ESXI 5.0/5.1/5.5, Windows 2003/ 2008R2/ 2012.

Configuration Tools: Chef, Puppet, Vagrant, Maven,Ansible, Docker, Splunk

Build Tools: ANT, MAVEN, Artifacory,Make file, Hudson, Jenkins, BAMBOO, and Confluence

Version Control Tools: Subversion (SVN), Clear case,GIT, GIT Hub, Jira

Hardware: IBM Pseries, Dell PE R900, AS400, HP DL380, HP300 Rack Mount Blade Servers, Cisco UCS

Storage: EMC Symmetrix, EMC CLARION, VMAX, VBlock, NETAPP, V7000

Languages: C, C++, Bash Scripting, Perl, Korn Scripting and Python

Databases: Oracle 8i, 9i, 10G & 11G, DB2, MS SQL SERVER 7.0/2000/2008 R2

Networking: TCP/IP, HTTP/HTTPS, DHCP, FTP, Cisco Routers & Switches

Web/App Servers: IBM WebSphere App Server (6.1/8.5), IBM HTTP Server (IHS), Apache, WebLogic

Application: server, Tomcat, I Planet, Netscape Enterprise Server

Monitoring tools: Solarwinds, VCOPS, Nagios, Zendesk.

PROFESSIONAL EXPERIENCE

Confidential, Knoxville, TN

Devops/Linux/VMware System Administrator

Responsibilities:

• Experience in Installing, Configuring and Maintaining RedHatLinux (RedHat EnterpriseLinux5.x, 6.x, 7.x) Servers and Windows 2003/ 2008 R2/2012 Servers on Power Edge Model rack, HP UX, HP blade centers like HP C6000 & C7000 and also Cisco UCS environment.
• Experience supporting RedHat servers in Production and Development environments.
• Involved inDevOpsprocesses for build and deploy systems.
• Troubleshoot the automation of Installing and configuring applications in the test environments.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Involved inDevOpsprocesses for build and deploy systems.
• Provided Configuration Management and Build support for different applications, built and deployed to lower and higher environments.
• Maintained and administered GIT andDevOpssource code tool.
• Worked on Continuous Integration systems with Maven and Jenkins.
• Worked withAWSCloud platform and its features, which include IAM, EC2, S3, AMI, EBS, CLI, SNS, and RDS.
• Configure services running on Red Hat Enterprise Linux deployed through CloudForms and Red Hat Satellite.
• Installing RPM packages on Red hat Linux Security Servers and applying patching on RHEL 6 & 7 versions
• Configured Bonding on Oracle RAC Cluster using the Round Robin and Active backup options
• Performed Restack migrations for Red hat Servers supporting Middleware applications such as WebLogic and Jboss from Physical blade servers to Virtual Machines in the VMware Infrastructure.
• Usage of Oracle SOA suite 12c for Orchestration and Integration Technologies in the areas of Web Services, ESB, SOAP, WSDL, BPEL, XML, XSD and UDDI.
• Monitor and manage SOA Components by using the Oracle Enterprise Manager, Fusion Middleware Control Console to perform administrative tasks.
• Configuring SOA composite application resources, Configuring JMS Server and its modules on SOA and OSB.
• Managed the hosts and Clusters using the Cisco UCS Manager and performed Capacity planning
• Configured SMTP using Postfix to allow the inbound and outbound connections for mail server
• Fixed corrupted bootloader using Rescue install process in Red hat Linux.
• Manages Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
• Created an IBM Websphere and Adobe AEM Scene7 training manual for the E-commerce department skills.
• Development and configuration of content management site using AEM Sites (Adobe CQ) with Java,JSP,HTML.
• Working on developing shell and python scripts used to automate day to day administrative tasks.
• Enabled SSH, SFTP and SUEXEC access for functional accounts on Linux and AIX Servers supporting WebSphere Applications.
• Work with AIX versions 4.3, 5.3, 6.1 and 7.1
• Worked in a fast-paced 24X7 production environment and supported IBM AIX and Linux Servers environment. This consisted of around 163 AIX servers v5.3/6.1 running on Power 5/6/7 hardware
• Configured and deployed MC/Serviceguard Clusters on HP-UX and LINUX.
• Implemented continuous deployment with Apache Mesos and Marathon by using Docker as a container orchestration for datacenter automation.
• Written configuration scripts to integrate Marathon UI for resource usage for running applications in Mesos cluster.
• Scheduling and managing jobs, patches and configuration files with Red hat Satelliteserver
• Perform upgrades to Nagios across all servers
• Trouble shooting errors both Application & JVM also analyzed heap/core plus error logs - configured tuned JVM for optimum performance.
• Monitored Applications and WAS performance through Wily Introscope 7.x/8.x/9.x and tuned the system - caching, queuing, JVM parameters, DB Connection Pooling.
• Experience in monitoring System/Application Logs of server using Nagios to detect Prod issues.
• Excellent working knowledge in configuring multiple WebLogic domains including machines, manage servers and cluster environments.
• Built a Red Hat Linux/CentOS patching infrastructure with Spacewalk/Satellite server
• Expertise in migration and up gradation of WebLogic Server and updating JDK versions, applying patches and installing service packs for WebLogic server.
• Worked on Keystone service on Openstack to manage the users and groups by assigning the role and policy as per project.
• Deployed the same application on OpenStack on local server as an alternative to AWS.
• Patched the AIX 5.3 and 6.1 servers with the latest TL and services packs.
• Developed code in Java which creates mapping in ElasticSearch even before data is indexed and Leveraged Kibana visualizations to emphasis compliance metrics in translated report
• Planned and deployed Atlassian Stack - JIRA, Confluence, Bitbucket, Bamboo, HipChat jFrog Artifactoryon different windows and Linux applications.
• Worked on virtualization of servers via AWS Lambda, AWS Elastic Beanstalk.
• Configured servers using AWS, which includes importing necessary volumes AWS Elastic Block Storage (EBS) and launching the EC2 instance, creating security groups, auto-scaling, load balancers.
• Hands on experience in monitoring EC2 instances using Nagios
• Integrating Jira with Stash/Crowd/Hipchat/Bitbucket Server. And configure Jira with Confluence.
• Responsible for working a queue of JIRA tickets to address system issues, user requests, etc. on a daily basis.
• Installed various Jira plugins such as Jira client, Jira importer plugin, Jira Charting Plugin, the connector for Microsoft project and Jira Misc Extension workflow add-on
• Maintained Virtual private cloud (VPC) using AWS and resources like Route53, Nat Gateway, RDS.
• Established an automated system of creating VMs in OpenStack and VMWare for Dev, ISO,PreProd, and Prod, with minimal intervention for smooth transitions.
• Install and set up the SuccessFactor users with Adobe CQ5.6 in windows environment (Eclipse, SourceTree Java, Maven, )
• Worked with the IBM, and Oracle on different issues concerning hardware and software problems.
• Configured Puppet, Ansible for security in Linux and CentOS 5.x/6.x Servers.
• Put all City Red Hat Enterprise Linux servers on Red Hat Network (Satellite) with a local Red Hat proxy server for updates, provisioning and management.
• Updating and upgrading ESXi 5.x, 6.x servers, vCenter Server, using vSphere Update Manager and VM Tools through manual updates.
• Finding Memory Issues by using JVM memory management tools.
• Performed vMotion and Storage vMotion of Virtual Machines across different cluster with respect to Linux security policies and application development requirements.
• Creation of hot and cold Clones Server Templates from Virtual Machines (VMs). Deployed Virtual Machines from Templates based on requirements and build documents.
• Worked on Marathon in deploying, scaling and killing an application on a Docker Container for Mesos framework.
• Branching, merging, and automation processes across the environments using SCM tools like GIT, Subversion (SVN), Stash/Bitbucket.
• Expertise in Artifactory and SonarQube administration.
• Experimented with Docker, by using Docker-compose, on configuring and updating JSON files to create new stacks for deployment using Docker marathon.
• Used Apache Marathon to launch and scale multiple instances of microservices in AWS cloud along with Apache Mesos for resource abstraction.
• Used Wily Interscope/JON monitoring tool to continuously monitor the CPU, Memory and JVM parameters on WebSphere
• Experience with creating Standard vSwitches(vSS), Distributed vSwitches(vDS). Isolated networks were created with separate vSwitches and VMkernel Port Groups. Third party tools such as Wireshark packet capturing tool were used for network traffic monitoring, vMotion, storage and Fault-Tolerance (FT) security and stability.
• LUN creation and storage mapping along with Multipathing.
• Working environment included HP-UX (a hp unix variant) and oracle 10. I is very comfortable using a command line to connect to databases, do software development/scripting, and any other task via command line and VIM
• Provide management of Microsoft Windows 2008, 2008 R2, 2012 R2 servers. DNS DHCP and Active Directory.
• Management and administration of Windows 2008 and 2008 R2, 2012 R2 Active directory (Created Accounts, Reset Passwords, and Allowed Access to different Directories using NTFS permissions)
• Converted existing terraform modules dat had version conflicts to utilize cloudformation during terraform deployments to enable more control or missing capabilities.
• Worked with the off shore team on various issues and give the server support 24x7
• Worked on rotating shifts in the environment.

Environment: RHEL 5.x, 6.x, 7.x, AWSEC2, Ansible, Puppet, Chef, Git version Control, VPC,ESxi 5.0 / 5.1/5.5/6.0 , VMware VSphere 4/5.x/6.x, HP DL 380 Blade servers, HP-UX, Cisco UCS, Red hat clustering, Veritas Clustering, Power HA and HACMP, EMC Symmetrix, Vblock, VMAX, NETAPP

Confidential, Houston, Texas

Devops/Build/Linux Administrator

Responsibilities:

• Supported a major initiative to migrate SAN storage utilized by Solaris, Linux and AIX servers (typically large Oracle data bases, web and application servers) across several EMC DMX arrays onto EMC VMAX array.
• Migration of AIX OS from 4.3.3 to 5.1, 5.1, 5.2 to 5.3, 5.3 to 6.1 and 6.1 to 7.1 on pSeries servers
• Migration of AIX Systems from old p4, p5, p6 to p7 hardware.
• Performed regular security hardening on AIX/Linux servers
• Responsible for User Management, Plugin Management and End-to-End automation of Build and Deployment process using Jenkins.
• Build and deployment scripts MAVEN asbuild tools in Jenkins to move from one environment to other environments.
• Configured Managed and controlled the source code repository, currently housed in Subversion, GIT.
• Involved in Day-to-Day System Administration tasks on RHEL/CentOS 5.x/6.x
• Experience writing Ansible playbooks and deploying applications using Ansible.
• Worked with DBAs on installation of Oracle, restoration and performance tuning.
• Remediate any security issues uncovered by vulnerability scans.
• Working in the team to prepare environment to upgrade from Adobe AEM 6.0 to AEM 6.1. for Salesforce websites.
• Hands on experience in configuring ESXi and vSphere 4,5 on HP Blades
• Automated server building using system imager, PXE Kick start and Jumpstart.
• Setup and configured failover load balancing using IP bonding for network cards.
• Developed shell, Python scripts for automation of systems administrative tasks.
• Installed and maintained IBM Tivoli Storage Manager (TSM) for Backups and data storage.
• Configuration of NIS, NFS, SAMBA, SENDMAIL, APACHE SERVICES on Linux & UNIX environment.
• Configured backup/archive policies using backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Troubleshooting and administered high availability using Red hat Cluster, VERITAS Cluster server on various business critical database and application production servers.
• Grew site from 5 to 25 HP-UX systems running ME10, ME30, Solid Designer, ANSYS, and Data Management Systems (DMS) products.
• Monitored, troubleshooting, supported and fixed operating system and hardware problems on several versions of UNIX systems.
• Red Hat Satellite Server versions 5 and 6, Installation, configuration and management.
• Developing confluence pages. Agile Program management, JIRA-Agile Scrum/Kanban, Bug Cycle management, SDLC design advice using JIRA.
• Performed installing, configuring, administering and performancetuning clustered SOA environments.
• Worked on migration from Weblogic 8.x to Weblogic 10.x.
• Experience on upgrading Atlassian products like confluence, JIRA and bamboo.
• Support and troubleshoot Atlassian tools and plugins, fixing errors common to Atlassian JIRA and Confluence applications, Linux servers and PostgreSQL database servers
• Maintained and managed build environments using Jenkins, GIT, Artifactory, and Bitbucket.
• Worked on Artifactory and Sonatype Nexus to upload/download the build artifacts. worked on efforts to design an analysis system for log files using Elasticsearch, Kibana, Logstash and Filebeats
• Analyzed and visualized data in Kibana for successes, failures of ip address and generated email alerts using Watcher
• Generated reports to show the trends of resource utilization user/CPU/network load/memory.
• Created test servers using Windows Server 2008 R2. Experience with Active Directory.
• Experience in installing, administering, updating/upgrading ESX/ESXi servers, Virtual Center servers and windows virtual machines using VMware Update manager and manual upgrades.
• Set up V-Motion, High Availability (HA), Distributed Resource Scheduler (DRS), and relatedVMwareproducts such as VM Workstation.
• Successfully completed Virtual Machines migration and ESXi boot LUNs from old VMAX to new VMAX storage.
• Cloning, deploying new server VM’s from Templates different type of guest OS like Windows 2003/2008 R2, Red hat Linux.
• Creating virtual NIC cards for the respective VMs and assigning the network connections.
• Creating vSwitch’s, different type of port group’s like Service Console, VMKernel, Virtual Machine and assigning the VLAN no’s. Configured NIC Teaming for load balance & failover.
• Attended meetings and analyzed information obtained from management to conceptualize and define operational problems.
• Worked on Python scripts to automate and speed up the remediation, automation process on prod-environement.
• Assisted other Unix administrators when halp was needed (i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc)
• Coordinated server maintenance through a well-defined change control process including after hours and weekend (Sunday) work as necessary to support systems
• Performed Firmware level upgrades for the Ethernet/fiber card adapters
• Installed patches, security fixes, packages on AIX and Linux servers.

Environment: Unix/Linux, Windows, Java, MAVEN, GIT, GIT Hub, Puppet, Ansible, TFS, Subversion (SVN), Jenkins, Shell Script, Agile, JIRA, RHEL 5.x, 6.x, ESxi 5.5, Vsphere 4/5, HP DL 380 Blade servers, Red hat clustering, Veritas Clustering, Power HA and HACMP, EMC Symmetrix, VMAX, NETAPP and TSM

Confidential, Los Angeles, California

AIX/Linux/VMware System Admin

Responsibilities:

• Build, Install and upgrade packages and patches on RHEL, CentOS and Ubuntu servers using RPM, YUM, APT and third party software applications.
• Maintaining Nginx and Apache web servers, including creating new virtual hosts and software upgrades.
• Conducted pre-consolidation tasks, which included Health Checks, validations and data collection of the servers.
• Administration responsibilities included users, groups, disks, printer, security management, and incident troubleshooting.
• File system maintenance, backup scripting and automation, file sharing permissions, software maintenance, file sets, program fixes and keeping the system software releases to the current level.
• Performed Unix/Aix server migrations in a data center consolidation project using different migration techniques including replication using SRDF
• Installed and upgraded packages and patches on RHEL servers using RPM, YUM and third party software applications.
• Installation of Database servers and user’s management such as Oracle, MYSQL, SQL Server.
• Implementation and maintenance of DHCP, NFS, NIS, DNS Mailing List, Send mail, FTP and Apache SMTP.
• Application installation and troubleshooting forSolaris, Red HatLinuxand CentOS.
• Hands on experience in creating Volumes, LUNS forUnix machines.
• Installed RHEL 5.x using Kick-start server on standalone servers and VMware environments.
• Provided solutions to the client about Disk mirroring and RAID implementation using Solstice Disk Suite and VERITAS volume manager and cluster.
• Responsible for patching Linux Security servers.
• Setup and managed environment using puppet configuration management tools.
• Administered Linux Servers Linux (Red hat - RHEL 3/4/5) for several functions including managing Apache/Tomcat server, mail server, My Sql database and firewalls in both development and production.
• Installation and configuration of Red Hat Device Multipathing.
• Captured the image of production server, configuring RAID and build the new server using the image on system image server with PXE boot.
• Advanced knowledge and skills in Linux operating system security, high availability/clustering, system backup/restore, kick start and Logical Volume Manager software products.
• Experienced in installation and configuration of Web Sphere application servers V 3.5/4.0/5.x/6.x, IBM HTTP Server on AIX, Solaris and Linux platforms
• Configured Esxi hosts and created a virtual center for development, test and production environments
• Managing VM’s and ESXi hosts by using vSphere Client, Putty and Web Access and installing the VMware Tools on the VM’s.
• Worked on Migration concepts like vMotion and Storage vMotion.
• Assisted in P2V conversions of Windows servers using VMware vConverter & Platespin
• Worked on servers configured with EMC Clariion, EMC Symmetrix, EMC Celera, EMC VMAX storage
• Split and established the EMC Symmetrix SRDF link used to mirror data from the live site to the DR standby site

Environment: RHEL 5.x, 6.x, ESXi 5.x, Linux, RHEL, CentOS, YUM, RPM, DHCP, NFS, NIS, DNS, FTP, Apache, SMTP, LVM, SQL, JAVA, Multipathing, VMWare, Puppet, SAN, Apache-Tomcat Vsphere 4/5, HP DL 380 Blade servers, Red hat clustering, Veritas Clustering, Power HA and HACMP, EMC Symmetrix, VMAX, EMC Celera and TSM.

Confidential, Meridian, Colorado

UNIX/AIX/LINUX Admin

Responsibilities:

• Experience in Installing, Configuring and Maintaining RedHatLinux (RedHat EnterpriseLinux4.x, 5.x & 6.x) Servers and Windows 2003/ 2008 R2 Servers on Power Edge Model rack, HP blade centers like HP C6000 & C7000 and also Cisco UCS environment.
• Experience supporting RedHat servers in Production and Development environments.
• Maintaining AIX kernel, volume groups, logical volume, JFS file system for better performance. Schedule cron job for automate the task for later execution.
• Setup the full networking services and protocols on AIX and Linux, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Tuning of the TCP/IP stack for troubleshooting application and OS issues.
• Responsible for downloading and upgrading the patches as per the system requirements.
• Support the PeopleSoft/Weblogic team by halping in the OS and Application upgrades and installation of new SSL certificates for Weblogic 10.1.
• Maintenance of VERITAS Cluster Server.
• Used NetBackup for backing up & restoration of file systems.
• Built new servers using Custom jumpstart installation and Kick start.
• Worked with Firewalls using IP Tables.
• Installation & Configuration of Logical Volume Manager - LVM and VERITAS Volume Manager.
• Configured DNS, DHCP, NIS, NFS and other Network Services in IBM AIX.
• Setup of NFS, FTP Servers in IBM AIX, Red HatLinuxand SUSELinux.
• IntegratingUNIXfile systems using packages like SAMBA. Setting up printers onUNIX/ NT machines to work seamlessly across platforms.
• Well versed with installing, maintaining/ configuring Windows 2003 & 2008 R2, its shell variables, networks & equipment’s, DNS, DHCP, WINS, Port Tracking, Active Directory and Recovery Console etc.
• Administration and troubleshooting multi-terabyte EMC frames connected to multiple platforms.
• Worked with assigned problems, change and emergency change tickets based on appropriate severity levels. Consistently active in meetings for problem resolutions and new potential projects using remedy problem tracking tool and lotus notes.
• Development of shell, Python scripts for automation of systems administrative tasks.

Environment: RHEL 4.x, 5.x, ESX, HP DL 380 Blade servers, CentOS, Perl Scripts, TCP, VMWare, Unix, DNS, DHCP, NIS, NFS, FTP, VNB, EMC Symmetrix, VMAX, EMC Celera and TSM.

Confidential, Cheshire, Connecticut

Systems Administrator

Responsibilities:

• Responsible for Install/Upgrade, hardware maintenance for CentOS, Red HatLinuxand IBM AIX.
• Server performance monitoring using automated PERL scripts for average load, iowait, memory & swap utilization, irq, softirq, disk and CPU util.
• Systems monitoring and administration of IBM AIX and Red HatLinuxServers for day-to-day problems in production environment and solved tickets on shift basis.
• Creating new file systems and work on extending the file systems and LVM.
• Installed patches, software up gradation, monitored log files, and performed backup for IBM AIX as well asLinuxSecurity servers.
• Basic Understanding of Network Routing and Fiber Switching
• Worked with ftp, telnet, nfs, rlogin, rshell, rexec, snmp, finger, rsh, ruserd, tftp, rwho etc.
• Worked on users while remediating the servers in NIS environment in Linux Servers.
• Was a part of the enterprise on-call schedule for UNIX administration and supported other flavors of UNIX administration.

Environment: RHEL 4.x, 5.x, ESxi 4.0, Vsphere 4, HP DL 380 Blade servers, HACMP, EMC Symmetrix, NIS.