SUMMARY:

• 10+ years of experience in IT field as System Administration, specialization in Installation, Configuration and Administration of Red Hat Enterprise Linux 4.x/5.x/6.x, Sun Solaris … CentOS 5/6, Windows NT 2000, 2003 and AIX 6.1
• Experience in Installation, Configuration, Backup, Recovery, and Installing, upgrading and configuring Redhat Linux 3.x, 4.x, 5.x and 6.x using Kick start Servers and Interactive Installation.
• Experience with virtualization and cloud infrastructure which includes VMware, AWS, Rackspace, OpenStack and Azure.
• Managed Linux and Windows virtual servers on AWS EC2 using Puppet Server. Configured and monitored distributed and multi - platform servers using Puppet.
• Experience with Infrastructure Development & Operations involving AWS Cloud platforms, EC2, EBS, S3, VPC, RDS, SES, ELB, EMR, VPC Auto scaling, Cloud Front & Formation, Elastic Cache, Cloud Watch, SNS
• Expertise in implementing the Configuration Management Tools like Chef, Puppet and Ansible.
• Experience in writing Ansible playbooks to automate the given process.
• Skilled Confidential Vrealize automation (VRA) software 6.1 and 6.2 building and providing support.
• Deployment of VMs with customized templates for PCI, Prod and Dev servers using VRA and VRO
• Utilized effective engineering practices that support standards, which ultimately enhance vRA and vRO availability, deployments, performance, monitoring and reliability
• Worked with Amazon IAM console to create custom users and groups.
• Experience in Creation and managing user accounts, security, rights, disk space, quotas and process monitoring in Redhat Linux.
• Experience in various cutting-edge technologies including virtualization technologies like citrix XenApp/XenDesktop 6.5 and 7.6; VMware ESXi 6.0, vSphere, vCenter.
• Experience in working with ESXi servers configuration, installation, maintenance and patch management using VMware Update Manager.
• Experience in P2V and V2V conversions using VMware Converter.
• Experience in supporting Windows Cluster server running 2-4 nodes on Windows 2003/2008 & 2012 supporting applications like web servers, SharePoint and Active Directory environment
• Strong Experience on Migrating from Windows 20 R2 environments.
• Implementation of Windows 2008/2012 domain architecture.
• Installation and configuration base line Redhat5 and 6 images for Openstack deployment
• Create and manage Cinder volumes in OpenStack Cloud.
• Create and collect measurements across OpenStack using Ceilometer Telemetry Service.
• Experienced on Task Scheduling/Cron Jobs, Systems backup, OS installation using Jumpstart for RHEL, and Kickstart for Solaris
• Experience in configuration of DNS, DHCP, NFS, LVM, FTP, Remote Access Protocol, security management and Security trouble shooting skills.
• Experience in Linux/Unix environment (RHEL, CentOS, and Solaris)
• Experienced with Disk Management Tools such as SVM, ZFS, VxVM in Solaris, and LVM in RHEL.
• Excellent knowledge of Amazon EC2, Amazon S3, Amazon Elastic Load Balancing and other services of the AWS family.
• Experience with migration to Amazon web Services (AWS) from Datacenter.
• Extensive experience monitoring the servers using Nagios and Cacti.
• Experience is using Microsoft Azure, Tomcat, JBOSS, Web logic and WebSphere Application servers for deployment.
• Worked in Agile development team to deliver an end to end continuous integration and continuous Delivery product in an open source environment using tools like Chef and Jenkins.
• Expertise in Branching, Tagging, building code from repositories like GIT, Perforce, SVN (Subversion)
• Experience with Continuous Integration Tools (Jenkins, Hudson, Bamboo)
• Setup ANT script based jobs in Jenkins and Worked with Jenkins Pipelines.
• Experience in using configuration management tools like Chef, Ansible and Puppet.
• Experience in Setting up Chef Workstation, Working with Chef Cookbooks, Chef Recipes, Chef Attributes and Ohai.
• Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
• Managed all the bugs and changes into a production environment using the JIRA tracking tool.
• Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plug-ins for the JIRA bug/issue track.
• Involved in writing Python, Perl and shell scripts for compilation and deployment process.
• Team player with excellent interpersonal skills, self-motivated, dedicated and understanding the demands of 24/7 system maintenance and has good customer support experience.

TECHNICAL SKILLS:

Source Control Tools: Subversion, Clear case, GIT and Perforce, CVS, TFS.

Operating Systems: Red Hat Linux Centos 5.x/6.x/7.0, Oracle Linux Lion 5.5, Fedora

Web/Application Servers: Web Logic, Tomcat, Web sphere 5.x/6.x, HTML and CSS, JavaScript, XML,Amazon Web server

Software: Veritas File System, Veritas Volume Manager, Solistice Disk Suite 4.x., Veritas Net Backup, Samba,Cloud AWS EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch, CloudFormation, AWS Config, S3, Cloud Trail, IAM. VMWare.

UNIX Scripting Languages: Bash Shell, Perl, Ruby on the rails, Python.

CI/CD Tools: Hudson, Jenkins, Puppet, Chef, Hiera, AnthillPro, Build Forge, Deploy, Octopus Deploy.

WORK EXPERIENCE:

Sr. Linux/Unix/Aix/ OpenStack /VMware/DevOps System Engineer

Confidential

Responsibilities:

• Designed, Built, Configured and Troubleshot RedHat Linux 5/6,AWS, Openstack and Solaris systems.
• Performed system administration activities using used NFS, NIS, DHCP, FTP, Send mail, and Telnet for Linux.
• Worked with various services of AWS: EC2, Elastic Beanstalk, ELB, Route53, S3, Cloud Front, SNS, RDS, IAM, Cloud Watch, and Cloud Formation.
• Design roles and groups using AWS Identity and Access Management (IAM)
• Managed various file system and added Disk Space on the Linux and UNIX servers.
• Updated and installed packages and patches for all the servers.
• Monitoring running stacks including events & resources on OpenStack Cloud.
• Knowledge in Implementation of horizontal auto-scaling use cases using OpenStack components - Heat, Ceilometer, Lbaas.
• Provisioning the Windows and Linux servers in AZURE cloud and implementing the service fabrics,
• Provisioning the Linux/Windows instances in the AWS cloud platform and taking the AMI's / snapshots for those instances
• Experience in VMware networking concepts like creation of vSwitches, with different types of port groups.
• Configure and maintain new VM's, install Microsoft Windows 2012 R2 and 2008 Servers, manage VM's and ESX servers and install VMware Tools on VM's.
• Support and Manage VMware 6.0 and 5.0 infrastructure, installation and configuration of vCenter Server.
• Deployment of VMs with customized templates for PCI, Prod and Dev servers using VRA and VRO
• Utilized effective engineering practices that support standards, which ultimately enhance vRA and vRO availability, deployments, performance, monitoring and reliability
• Took Responsibility for building new tenants, upgrading platforms, participating in the solutioning and architecting of our current and future vRA and vRO platform.
• Experience in Planning, deploying, monitoring, and maintaining Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare Vm's as required in the environment.
• Installing and Configuring Windows 2003/2008 Servers
• Implemented automated local user provisioning in instances created in OpenStack cloud through Ansible Play books.
• Experience in Implementation of Continuous Integration and Continuous Delivery and other tooling as needed to support internal and customer development efforts to customize and enhance OpenStack.
• Installed and configured apache web servers on various Linux and UNIX servers.
• Maintained/ configured LDOMs, Zones, ZFS pools on Sun Solaris 10 Servers, installed and configured Solaris servers using Jumpstart.
• Well versed with many different concepts of Chef like Roles, Environments, Data Bags, Knife, and Chef Server Admin/Organizations.
• Used Chef to manage configuration on connected server. Developed Cloud Formation script to automate the EC2 instances with JSON templates.
• Wrote Ansible playbooks to manage configurations and automate installation process.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Managing the configurations of multiple servers using Ansible.
• Administered packages using RPM/ YUM on Red Hat Linux and maintaining patching on Solaris servers.
• Involved in various SAN Fabrics (FC SAN, iSCSI SAN) and NAS storage for effective and efficient storage.
• Responsible for setting up and managing Multipath, Powerpath, added SAN, created physical volumes, volume groups, and logical volumes.
• Configured KickStart and Jumpstart environments.
• Made backups of the critical files using gzip, tar, zip, gzip and compress utilities.
• Migrated servers between ESX hosts and created cloned Linux Virtual Machines, templates using VMware Virtual Client 3.5.
• Configured and monitored periodic Disaster Recovery (DR) test activities.
• Developed Chef recipes to configure, deploy and maintain software components of the existing infrastructure
• Experienced in implementing Splunk, Puppet, Chef, DevOp.
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
• Implemented automation tools such as Splunk, Puppet, Chef and DevOps
• Setting up & trouble shooting the nightly/on-demand builds for all Patches/Hot-fixes and for all releases
• Setting up Jenkins Continuous Integration builds for all releases on windows and Linux.
• Involved in meetings with Dev managers to Create, manage and maintain the SCM Plan, standards, and procedures.
• Worked on implementation, support and troubleshooting knowledge of vRA, vROPS, vRB
• Integrations with SDN solution like NSX /ACI and SDS solutions like ViPR with vRA
• Integrated Maven with Subversion to manage and deploy project related tags.
• Setup Maven Remote Internal Secure Repository with access restricted to team members.
• Installed and administered Nexus repository to deploy the artifacts generated by Maven and to store the dependent jars which are used during the build.
• Installed and configured Jenkins tools on Linux and windows platforms, Manage slaves and installing Jenkins plugins.
• Performed the automation using Puppet Configuration Management (PCM) developing manifests that would automate most of dev/prod environment.
• Implemented automations tool Puppet, DevOps monitoring tools in cluster node environment.
• Following agile methodology using RTC as a supporting Tool.
• Administering Hudson/Jenkins CI servers, HP Quality Centre, HP Fortify, Build servers, Code collaborator.
• Developed Shell script to list recent 'n' number of builds for all the components.
• Installed and configured Sonar server and client configured Jenkins jobs to run Sonar Analysis jobs.
• Worked on Red hat Linux 3, 4, 5 and 6 / Scientific Linux 5 and 6 and Centos 5, 6, Sun Solaris 8, 9, 10.
• Involved in the development environment includes Windows Server 2012 R2, Power Shell 4.0, as well as web interfaces for Atlassian Stash, Crowd and Confluence. Public services included GitHub, CentOS, Ubuntu, and Chef.
• Worked on AIX to Linux migration.
• Worked on Redhat Linux installation on VMware.
• Developed Chef Recipes to configure, deploy and maintain software components of the existing infrastructure.
• Setting up Jenkins Continuous Integration builds for all releases on windows and Linux.
• Following agile methodology using RTC as a supporting Tool.
• Provided 24x7 production support for 700+ Linux and Solaris OS.
• Pesented weekly system status report and maintained documentation reports.

Environment: RedHat Enterprise Linux 4/5/6;SuSe Linux Enterprise Server (SLES) 9/10; Solaris 8/9/10; VMWARE; Lenovo workstation's (D2, D3, D10, D20) ; DELL PowerEdge 1650, 2850, 2950, 6400; Sun SPARC workstations (A21, A22, A70, A89) and Servers E450, E3000, E3500; HP-Proliant DL 360G5; NFS; NIS; DNS; Shell/PERL scripts; SAN; Tivoli; Puppet; Nagios; SVM; LVM; ZFS; zones; VxVM; Oracle 9i; VxVM; Apache 2.x.

Sr. Linux/Unix/Aix/ VMware/ OpenStack/ DevOps System Engineer

Confidential

Responsibilities:

• Support for AIX, Windows, and Linux problems assigned by client operations.
• Providing 24X7 and on-call in production support.
• Worked on migrating AIX to Redhat Linux 6 and 7.
• Worked on installing applications on AIX and Redhat.
• Administration of RHEL 5, 6, 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting on both Pseries and VMware virtualization systems
• Creating, cloning Linux Virtual Machines, templates using VMware vsphere client 5 and migrating servers between ESXi hosts.
• Helped to troubleshoot virtualization and storage issues and incidents vRA and vRO.
• Worked on implementation, support and troubleshooting knowledge of vRA, vROPS, vRB
• Integrations with SDN solution like NSX /ACI and SDS solutions like ViPR with vRA
• Designs and implement Openstack Kilo infrastructure on CentOS 7 and RHEL 7
• Upgrade Openstack Juno to Openstack Kilo
• Manage Openstack Kilo via keystone, glance, nova, neutron, horizon, heat and ironic
• Installation and configuration of Openstack Juno on RedHat6 with multiple Compute nodes
• Installed and configured an automated tool Puppet that included installation and configuration of Puppet master, agent nodes and an admin control workstation.
• Experience in writing modules for Puppet and good understanding analysing manifests.
• Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
• Deployed RDSH in windows 2008 and windows 2012 server versions.
• Worked over RDSH in updating operating systems from windows .
• Involved in built and deploy the windows XP and windows 7 golden image for the VDI environment.
• Performed package administration on Linux using rpm and yum thru RHN Satellite and subscription manager.
• Support and Manage VMware 6.0 infrastructure, installation and configuration of vCenter Server.
• Hands on experience in updating / upgrading ESX servers, Virtual Center servers and windows virtual machines using VMware Update manager.
• Configured VMware HA, VMware DRS, FT in acquiring higher efficiency for VMware Infrastructure.
• Installed and worked on VMware Site Recovery Manager (SRM 4.0) for the disaster recovery and managed recovery plans.
• Configured VMware HA, VMware DRS in acquiring higher efficiency for VMware Infrastructure and cost effective.
• Worked on Azure on Microsoft.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Worked on Docker and created virtual instances with Docker.
• Worked on Creating API's on nodeJS and AngularJS
• Worked on AWS OpsWork, AWS Lambda, AWS code deploy AWS cloud formation and cloud foundry.
• Worked on migrating Vmware to AWS using snowball and VM import/export.
• Experience with AWS bean stalk.
• Worked on Puppet extensively for deployment for servers, creating on custom scripts and managing changes through Puppet master server on its clients.
• Assembled Puppet Master, Agent, and Database servers on multiple Red Hat Enterprise LinuxPlatforms.
• Created profiles in Puppet and pushed them across all the servers in UNIX and Linux environment.
• Experience working on AWS code deploy, lambda, VPC and CLI.
• Experiencing with Nagios, splunk and snmp monitoring.
• Migrate on premise database to AWS Cloud and also designed, built, and deployed a multitude applications utilizing the AWS stack (Including EC2, R53, S3, RDS, SNS, and IAM), by focusing on high-availability, fault tolerance, and auto-scaling.
• Configure EC2 Instances, VPC, Route 53, ELB, Subnets, etc.
• Configure and administer Apache and Application layers
• Configure HTTP caching properties for static caching.
• Automate site configuration using Puppet.
• Experience with shell scripting ( sh, bash, csh, ksh)
• Worked on Docker and have done deployments on Ubuntu.
• Worked with puppet /Chef for configuration management.
• Worked on version control using Github.
• Worked on automating builds using Jenkins.
• Experience with AWS SDK and AWS API.
• Worked on automating tasks using puppet
• Worked on tomcat, jboss install configuration and mongodb, mysql.
• Worked on migrating Solaris 10/ AIX 6.1 to redhat 6.
• Worked on creating new LPARS on AIX IBM frame
• Automate infrastructure in AWS using Amazon web services.
• Installing and configuring Tomcat and JBOSS.
• Experience with Ansible Tower to manage Multiple Nodes and Manage Inventory for different Environments.
• Admin chef organizations for user management and org management.
• Update and maintain chef private supermarket.
• Used chef to manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Used Ansible to Orchestrate software updates and verify functionality.
• Deploy puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.
• Performed installation, configuration and tuning of Redhat, CentOS, Solaris servers and AIX.
• Installed and configured Windows 2003/2008 servers and splunk.
• Installed PXE servers, KickStart configurations for automatic Linux Installation.
• Worked on Amazon web services to create AWS instances with S3 storage and EBS storage.
• Performed Installation, configuration and Administration of VERITAS Volume Manager (VCS)
• Implemented virtualization using VMware in Redhat and CentOS on HP-DL585 and IBM-z/VM series.
• Test Chef Cookbook modifications on cloud instances in AWS and using Test Kitchen and ChefSpec and used Ohai to collect attributes on node.
• Working for DevOps Platform team responsible for specialization areas related to Chef for Cloud Automation.
• Performed Data Center migration from AIX to Linux and 5.x to 6.4 Linux upgrade.
• Performed Migration of HACMP 4.3.1/4.5 to HACMP 5.1 using Node-by-Node migration without changing the cluster setup.
• Managed batch jobs processes using Korn, shell and PERL scripts (Cron and Tivoli workload scheduler)
• Deployed applications on Jboss (4.2.1, 4.3, 5.1) servers. Worked on creating and scheduling jobs using autosys.
• Used UNIX/Linux shell scripting to automate system administration tasks, system backup/restore management and user account management.
• Creation of Oracle and MS-SQL server databases. Maintenance of tables paces in oracle.
• Backup and restore of databases in Oracle and MSSQL Server DB's.
• Performing Manual backup and resume of the servers or data using Net backup and TSM (Tivoli Storage Manager)

Environment: AIX 5x, 6x, 7x, IBM Power7, Power6 and Power5, VIOs, NPIV, RedHat LINUX 5.5/6.3, Ubuntu, Windows, Oracle, DB2, Sun Solaris 9/10, SQLserver, Korn, Oracle RAC, C Shell, Yield Book, Razor, Vsphere, HMC, Tibco, HACMP, GPFS, VMware, CA Spectrum, CA EHealth, Netapp, TSM, Symantec Netbackup, Hitachi VSP, Hitachi Command Suite, Hitachi storage navigator, HUR, SI, TC, TSM, CSM, IBM XIV, SAN SVC, NAS, Autosys, TPM V7.1, CA Service Desk, Apache Webserver, MQ, Websphere Application Server & UNIX shell scripting.

Linux/Unix/Aix/VMware System Engineer

Confidential, CA

Responsibilities:

• Worked with 350+ servers with RHEL 5.x, 6.x and Solaris 9, 10 servers.
• Installed, and configured RHEL using Kickstart and Solaris 9, 10 using Jumpstart.
• Implemented virtualization environment using VMware ESXi 5.5, ESXi Cluster, and vCenter Server.
• Created, configured and maintained virtual machines in VMware ESXi with different OS.
• Created clones, and snapshots of virtual machines in VMware ESXi.
• Migrated VMWare Virtual servers from one host group to new host group using vMotion.
• Involved in server migration from Solaris to RHEL, and from physical server to virtual server.
• Improved service levels by guaranteeing appropriate resources to virtual hosts using VMWare Distributed Resource Scheduler (DRS)
• Experience in working with ESXi servers configuration, installation, maintenance and patch management using VMware Update Manager.
• Experience in VMware networking concepts like creation of vSwitches, with different types of port groups.
• Created, and maintained large file systems with EMC and Netapp SAN devices.
• Created and configured sparse root and whole root Zones, and LDOMs in Solaris 10.
• Managed the Disk using SVM, ZFS, VxVM in Solaris, and LVM in Redhat.
• Provided user administration like adding or deleting users, groups, group membership, and password aging.
• Used Ansible to document all infrastructures into version control.
• Used Ansible playbooks to automate in AWS features like EC2, IAM, VPC, EBS, Cloud Watch, Cloud Trail, Cloud Formation, Auto Scaling, IAM, S3 and general knowledge in Kubernetes.
• Managed Ansible Playbooks with Ansible modules, implemented CD automation using Ansible, managing existing servers and automation of build/configuration of new servers.
• Installed and updated software packages for Linux and Solaris Servers using RHN, and sun update manager.
• Implemented system upgrades including hardware, operating system and patch upgrades.
• Configured run scripts to run the services Confidential startup.
• Wrote manifests, classes, and modules in Puppet to automate and configure packages, services, files, directories, cron jobs and other resources in servers with various OS.
• Wrote shell and python scripts to automate admin jobs such as monitoring the servers for resource consumption, processes running, file handling such as moving, copying and renaming files, reading data from the files etc.
• Created playbooks for Openstack deployments and bug fixes with Ansible
• Implemented CI/CD pipeline using Jenkins, Ansible Playbooks and Ansible Tower.
• Wrote crontab for scheduling of automatic repetitive jobs, and executing shell scripts.
• Installed and configured MS SQL server and Oracle in Linux server.
• Installed and configured Tomcat and Jboss in Linux server.
• Assisted the middleware administrators in deploying the web and enterprise applications in the deployment environment that included MS SQL server 2008, Oracle 11g, Jboss 6.x, and Tomcat 7.
• Debugged day to day issues and problem relating to systems, software and servers.
• Documented application configuration details in Solaris, and RHEL environment.
• Provided 24x7 on-call supports for 350+ servers.

Environment: RHEL 5.x, 6.x, Solaris 9, 10, VMWare ESXi 5.5, Dell/EMC CX300, Netapp FAS3140, Sun Ultra Sparc T5220, T5240, T3-1, 2, M5000, X4140, x4170, HPDL360, 380, 580, VMware DRS, vMotion, SAN, VxVM, SVM, ZFS, LVM, Puppet, Shell Scripting, Python, MS SQL server 2008, Oracle 11g, Jboss 6.x, Tomcat 7.

Linux/Unix/Aix/VMware System Administrator

Confidential, IL

Responsibilities:

• Installed and configured Solaris 8, 9, 10 using CD media, Jumpstart and RHEL 4.x, 5.x using CD media, Kickstart.
• Administered and troubleshoot Solaris and RHEL installed on Sun Fire and IBM blade.
• Implemented system upgrades including hardware, operating system and patch upgrades.
• Created, modified, and deleted users, groups and group memberships as per requirements.
• Installed and upgraded software packages for Linux and Solaris Servers using RHN and sun update manager.
• Support and Manage VMware 6.0 and 5.0 infrastructure, installation and configuration of vCenter Server.
• Experience in Planning, deploying, monitoring, and maintaining Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare Vm's as required in the environment.
• Analyzed and monitored resource utilization, and system performance using various system tools such as vmstat, sar etc.
• Made backups of the directories and files using the tar, gzip, and gunzip tools.
• Wrote Shell scripts for monitoring the systems and applications such as monitoring the processes in all the servers, and also run cron jobs using cron and Confidential
• Managed volume and file system using VxVM, SVM and ZFS on Solaris and LVM in Linux.
• Configured NFS on Solaris and Linux servers.
• Created and maintained Solaris 10 zones.
• Installed Apache Web Server, Web Logic Application Server, and Oracle database in the servers.
• Configured domains, admin and managed servers in Web Logic application server to deploy Web/Enterprise applications.
• Involved in documentation of Solaris and RHEL environment and configuration details.

Environment: Sun Solaris 8, 9, 10, Redhat 4.x, 5.x, Sun Fire 4800, 6800, 6900, M5000, M8000, v440, v480, v490, IBM Blade, RHN satellite server, Sun update manager, cron, scripting, VxVM, SVM, ZFS, LVM, Apache, BEA WebLogic 8.1, Oracle 9i.

Linux/Unix/Aix/VMware System Administrator

Confidential, NY

Responsibilities:

• Worked with around 200 servers with Solaris 8, 9, 10 and RHEL 4.x and 5.x platforms.
• Used live upgrade to upgrade Solaris servers from 8, 9 to 10.
• Installed and configured VxVM and VCS, and used VCS, and Veritas Foundation Suite (VxFS) to provide high availability and storage management.
• Configured Veritas NetBackup for backups, and file restoration.
• Configured VCS for switching over the service groups between systems depends upon requirements.
• Worked with Disk management tools such as LVM in Linux and SVM, ZFS, VxVM in Solaris.
• Used VxVM to create Disk groups, volumes and filesystems with different RAID levels.
• Created metadevices, soft partitions, mirroring the devices and metasets.
• Configured LDAP in Solaris and Linux server.
• Managed resources for zones using Solaris 10 container technology, and exported ZFS from global zones to local zones in Solaris.
• Monitored services such as Disk Space, CPU usage, Memory usage, Temperature of the equipment, HTTP, Mail, SSH etc. using NAGIOS.
• Involved in troubleshooting performance tuning issues with applications such as Web Logic and the operating systems which included Solaris and RHEL.
• Implemented NIC bonding in RHEL and IPMP in Solaris.
• Worked on F5 load balancers to load balance and reverse proxy Web Logic Servers.
• Worked on day to day administration tasks and resolve tickets using Remedy.
• Monitored and debugged day to day issues and problem relating to systems, software and servers.
• Provided 24x7 on-call support.

Environment: Sun Solaris 8, 9, 10, Redhat 4.x, 5.x, Sun Fire 4800, 6800, 6900, M5000, M8000, IBM Blade, RHN satellite server, Sun Update manager, cron, scripting, VxVM, SVM, ZFS, LVM, Apache 2.2, BEA WebLogic 8.1, Oracle 9i, Nagios 3.0, VCS 4.0, VxFS, Veritas NetBackup 5.