SUMMARY

• Having 8 years of IT industry experience as a System Administratorand Production Support of various applications onSunSolaris, Red Hat Enterprise Linux, and UNIXandWindows environment.
• Experienced in Installs, Upgrades, Patches, Configuration, performance tuningonUNIXand systemsoftware & hardware.
• Extensive experience in performing System Integration/Administration for Microsoft Windows 2003/20 Servers, Windows 7/ Windows 8,10 Red Hat Linux.
• Experience in Installing, configuring and maintaining Samba,Web Sphere & Web Logic Application Servers, Nagios and Chef.
• Efficiency in installing, configuring and implementing the LVM, andRAIDTechnologies using various tools likeVeritas volume manager,Solarisvolume manager.
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
• Experience in Installed and configured Apache/Tomcat/Java/MySQL.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
• ExtensivelyusedVeritasCluster Server 4.x & 5.x.
• Solid understanding HP, DELL and IBM Blades and Rack mount server, SAN, NAS and iSCSI.
• Familiarity with telecom fundamentals Cisco IP Telephone Solution & Cisco UCS.
• Configuring and AdministeringDNS, NIS, NIS+, LAMP and LDAPonSunSolarisserver environment.
• Configure physical and virtual machines, including VMware 5.x, 6.x guests and HP Integrity Virtual Machine hosts and guests.
• Service Guard cluster installation and configuration for stand alone, local and site - to-site clusters including Oracle RAC.
• SAP and Oracle pre-installation scripts and packages.
• Perform server installation, configuration, performance tuning and production support for Linux/Unix systems.
• Troubleshoot issues with UNIX / Linux install scripts.
• Migrate existing servers to new networks and/or domains.
• Resolve network, software and hardware issues with newly built servers.
• Experience in Install and configuration of Web hosting administrationHTTP, FTP, SSH, & RSH
• Experience in Installing, upgrading and configuringSUNSolaris9 and 10 onSunServers Using Jumpstart Servers, Manual installation as when required.
• Experience in Installation of VMware ESX server and creation ofVMs and install different guest OS.
• Experience in Installation and configuration of Zonesand ContainersinSolaris10 environment.
• Experience in Creating and maintaininguser accounts, profiles,security, rights, disk spaceandprocess monitoring.
• Experience inVeritas Volume manager (VxVM), Mirroring, and striping,Parity,New File Systems,MountingandUnmountingFile Systems.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Experience in Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Ability to write Shell & Perl scripting.
• Populate Splunk from 3rd party data sources.
• Excellent analytical, problem solving, communication and interpersonal skills.
• Capable of quickly learning and delivering solutions as an individual and as part of a team.

TECHNICAL SKILLS

Operating Systems: Linux (RedHat, CENTOS ), Solaris 10/9/8, HP-UX 11.0, 11.11, IBM AIX (4.3/5.x), HPUX11i V1, V2 & V3, VMware ESX, SLES 8,9,10 & 11, Windows NT /2000/2003.

Hardware: M5000, M8000, T5220, T5240 Sun E15K, E25K, Sun Fire 6800/4900/3800 , Sun Fire 490/280, v880/v890, Sun Enterprise Servers E6500, E4500, E3500, Work Group Servers E450, E420, E250, E220, Netra 1405, Netra X1, Ultra 80, 60, 30, 10, 5, 2, 1, Intel Servers. DL380, BL860i4, BL460, BL685 and Synergy 12000.

Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP-Tables

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming, Scripting Language & Databases: RDBMS, MySQL, Oracle, Sybase, MSSQL, C, UNIX Shell Scripting, Perl Scripting, Python, Ansible Ruby, HTML, VB, distributed Splunk administration.

Backup Management: Veritas Net backup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x, Legato Networker, Solstice Backup, Veritas Netbackup BusinesServer, Veritas Backup Exec, tar, cpio, dump, Solaris AdminSuite, Solstice Disk Suite, Solaris Admin tool, Linux Logical Volume Management. HP Data Protector manager for Ticketing tool.

ThirdParty Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk,ILM,APATE

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

Web Server: Sendmail, Postfix.

Apache web server: Lftp, Go Anywhere, WU-FTPD, Proftpd.

Mail Server: MS Windows Server/Exchange Server (2000/2003/2008/2008 R2/2012).

FTP Server: Naming Service

SERVER OPERATING: NIS/YP, NIS+, DNS, LDAP

O/S-level virtualization: Solaris Containers

Cluster service: Redhat cluster service

PROFESSIONAL EXPERIENCE

Confidential, TX

Linux/Unix Admin

Responsibilities:

• Patching, Installing packages using Yum, Troubleshooting and fixing bugs on both physical and virtual UNIX and Linux Servers. I work on upgrading and patching the Linux and UNIX servers and clusters.
• Automating OS patching using BladeLogic and doing Veritas/Services Guard failover process while patching
• Adding Packages for shared disks and patching HP-UX servers, RHEL6, 7 and CENTOS.
• Fixing housekeeping, Kernel, repos error while patching.
• Validating all the Pre-checks such as Net Recovery (recent image), gather sys info, console validations before Patching.
• Create, cloning Linux Virtual Machines, templates using VMware workstation in ESXi environments.
• Create VM Standalones, Serviceguard Local clusters, Serviceguard Local S2S clusters and Serviceguard Oracle Toolkit.
• Works with SAN storage, database, and middleware and application teams to remediate environments on a day to day basis. Setup of full networking services and protocols on AIX.
• Working in adding new Users and groups and give sudo access in test and development servers and central file synchronization via sudoers and configured sudo for users to access root privileges.
• Troubleshooting the issues ranging from Vcenter, Linux and SAN environments (Prod environments) on a day to day basis and making the site much more reliable.
• Configuration, Implementation, Administration and Troubleshooting skills with network protocols of (TCP/IP, Ethernet), FTP, NFS, DNS, DHCP.
• Linux performance tuning & troubleshooting, identifying and resolving contention in CPU, memory, networking, disk I/O, etc.
• Responsible for security hardening/ tough scrutiny with (iptables/selinux) on major Production Servers, and compiling, building and installing web server-based Linux tools.
• Building Linux servers and clusters on ORACLE RAC, DL380, BL860i4, BL460, BL685 and Synergy 12000.
• Installing SG Bundles and Configuring multipath.
• Igniting UNIX servers with OS HP-UX version 11.31 and Installing Serviceguard version is A.11.20 on Integrity blade Platform.
• Working with Logical Volume Manager and creating of volume groups and performed Red Hat Linux Kernel Tuning.
• Creating file system, mount file system, monitoring free space, disk usage, locating files, checking & clearing of log files, auditing, performance monitoring, patch installation and security related remediation’s using Linux scripting.
• Configuring host file, network files for serviceguard S2S, patching, disk groups and file systems, Create cluster, creating HORCM files, Preparing and moving to SAN Data Replication and Verifying system.
• Installing Serviceguard and RAID Manager Packages.
• Configuring Kernel, Cross Routing and Disable Backup, Deport and Import DGs, Filesystem, Quorum, Set Up Horcm, CFS and Cluster Health Check.
• Working and Building HP-UX Integrity Virtual Machine Guest and IVM site to site.
• Using VERITAS Volume manager to create disk groups, volumes, volume groups, and RAID. Involved in back up, firewall rules, LVM configuration, monitoring servers.
• UNIX troubleshooting skills to include performance, kernel parameters, network, TCP/IP settings.
• Unix security (local accounts, SU, Sudo, password management) Working knowledge of Active Directory (authentication, domain services, objects)
• Creating and running automated QA scripts on Linux/Unix servers to check for reliability and performance, before pushing them in to production/live.
• Configuring and deployed patches/upgrades/packages, troubleshooting bugs fixes and maintenance on both physical and virtual UNIX & Linux Servers.
• User administration, Permissions and Packages using Red hat package manager (RPM) & YUM (custom YUM servers/repositories).
• Designed implemented/supported Backup/Recovery/Security, Startup/Shutdown, Mass Storage (SAN/NAS), OS Installations/Patches, Hardware/Software installation, Data center Migration, Application and Server performance.
• Responsible for performing package updates using YUM (custom YUM servers/repositories).
• Monitoring and supporting Trading applications, involved in OS Provisioning, patching, troubleshooting UNIX and Linux issues.
• Managing routine backup of critical data and restoring backed up data. User & Security administration, multiple backup & recovery technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.
• Installation, Configuration and Maintenance of webservers in Apache http, JBoss server.
• Working on Tools such as HP Data Protector Manager, VSM, (HPSM) Apate, Windows secure application manager, APS, Global Profile Manager, ILM and Infrasec.

Confidential, Des Moines, IA

Windows and Linux Admin

Responsibilities:

• System Administrator with networking background. Experience in Designing, Building and supporting Red Hat 4, 5, 6 on Systems HP DL380 and DELL Power Edge R720, Cisco UCS Manager 2.2(3d) environment and IBM AIX 5.3, 6.1 & 7.1 on Power 5, Power6, Power7 & Power8.
• Advanced enterprise level DNS and DHCP technical troubleshooting skills.
• Used Monitor Tool for unified capacity planning monitoring and management across Windows, Linux, Virtual (VMware, Hyper-V, and Xen).
• Worked on SELINUX and switching between various modes such as enforcing, permissive and disabled on Apache httpd web servers.
• Advanced server protocols and utilities (DNS, SMTP, S/FTP, TCP/IP UDP, SSH, Samba).
• Experience setting up and deploying systems with Red Hat Satellite.
• Enterprise technologies (NFS, Kick start, performance tuning, security).
• Maintenance, builds, Installed and configured Windows 2008, 2012 and 2016 servers in Enterprise Environment.
• Using Ansible Vault in playbooks to protect sensitive data
• Managed daily activities to include user support and system administration task.
• Extensive knowledge in Windows Active Directory, DNS, DHCP and DHCP scope backup, Windows Desktop and Remote Desktop.
• Installing and updating the windows patches. Creating NTFS shares on Windows Servers and provide permissions to users.
• Setting up perform windows servers to analyze performance issues.
• Good technical Knowledge and highly understanding of automated scripts like PowerShell scripts for deployment/patching/Migration.
• Managing Linux Infrastructure involving day-to-day maintenance of servers and troubleshooting.
• Provisioning Red Hat Enterprise Linux Server using PXE Boot according to requirements.
• Implemented patch management using Redhat Satellite server.
• Experience in Installing, deploying, configuring, monitoring web applications and web services on IIS servers, SQL servers that runs on Windows server, 2008, 2008 R2 and providing 24x7 on call support for Production Environment.
• Working with Logical Volume Manager and creating of volume groups/logical and performed Red Hat Linux Kernel Tuning.
• Creating and using Ansible templates to create customized configuration files for hosts Technical Support.
• Network installation server through automation tools Cobbler, install and deployment operating system, and package management.
• Created servers in different environment in datacenter and automated that server by using chef.
• Automating infrastructure in AWSwith Chef.
• Design EC2 instance architecture to meet high availability application architecture and security parameters.
• Creating S3 buckets and also managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup onAWS.
• Remote server management and deployment exposure in Ansible.
• Bootstrapping instances usingChefand integrating with auto scaling.
• Manage the configurations of multiple servers usingChef.
• Expertise in the area of Virtualization with vSphere 6.x/5.x, VMware ESXi hosts, along with Virtual Center Server
• Worked extensively on templates and clones and implemented and managed HA and DRS clusters.
• Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Also deployed puppet, puppetDB, Hiera for configuration management of existing infrastructure.
• Experience with repository management solutions such as Git, Stash.
• Modifying user's password policies, group policy, UID and GID assignment policies.
• Monitored the performance of the system using top, sar, ps, prstat, vmstat, netstat and cpu info to check the CPU utilization, bottlenecks of I/O devices, memory usage and network traffic.
• Experience deploying and operating RHEL systems on VMware vSphere 5.0.
• Local and Remote administering of servers, routers and networks using Telnet and SSH.
• Experienced with complex networking infrastructure including VLANs, and load balancers.
• Experienced in architecting and administering Linux servers, scheduling systems, and high-performance storage and networking systems.
• Experience in configuration management tool such as Ansible, Chef, and Puppet. Assisted in design and deployment of Cassandra rings into AWS. Multi-AZ and inside existing layered VPC network.
• Distribution administrative tasks, RPM and YUM repository.
• Migrating the existing VM’s and physical servers to cloud AWS.
• AWS server provisioning using Chef Recipes.
• PerformedLinux systems performance, tuning, and enhancements. Involvedin the design and implement of HA (High Availability) and Load Balanced solutions.
• Involved in migration of existing hosted environment to AWS thereby reducing infrastructure costs and managed Services like EC2, S3 Bucket, RDS, Route53, ELB, and EBS with Chef Cookbooks/Recipes.
• Automating the AWS server configuration and provisioning using chef recipes ensuring High Availability (HA).
• Creating S3 buckets and also managing policies for S3 buckets and utilized S3 bucket and Glacier for storage and backup on AWS.
• Advanced skill level or familiarity with SAN, NAS, and iSCSI storage solutions.
• Automated scripting Shell, and Python.
• Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Also deployed.
• OS and/or software based HA (Service guard) and clustering (VERITAS, Red Hat).
• Security hardening and event monitoring tools Nimsoft, Nagios.
• Worked on SELINUX log file to check for access violations and secure the system.
• Advanced enterprise level skills in shell scripting and programming languages Bash, Cron, Perl, and Python.
• Experience with configuration management tools Puppet.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.

Environment: RHEL 5.5/5.6/5.7/6.1/6.2/6.4/7.0 , AWS,PuppetAIX V6.1, Ruby, Oracle, DB2,Shell Scripting, NFS, Samba, DNS, Apache and Web sphere on HP ProLiant servers and VMAX,CX3, Apache 2.0/2.1/2.2. x, Apache tomcat 9.x/8.x/7.x, JBoss Application Server 4.0/4.2/5.1

Confidential, Boston, MA.

Role: Windows and Linux Admin.

Responsibilities:

• Installed and configured several hundred RedHat/ CentOS server on VMware ESXi 5.1 Virtual Environment.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Installing and configuring RedHat /CentOS 6.X using kick start servers in physical and virtual server environment.
• Performed VMWARE ESX 5.5 to 6.0 Servers Installation, Configuration & Administration.
• Installing and updating packages using YUM (custom YUM servers/repositories) and Red Hat Satellite Server.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participating in 24x7 production on-call support of Linux and provided technical support to users.
• Working with Windows 10 upgraded project; by user requirements package, imaging and re-imaging, ODS (Operating System Deployment).
• Implementing a Continuous Delivery framework using Jenkins, Chef & Jira in Linux environment
• Installation, Configuration, upgrade and administration support of Jenkins.
• Experienced with deployments, Maintenance and troubleshooting applications on Microsoft Cloud infrastructure AZURE.
• Troubleshoot the build issue during the Jenkins build process.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
• Implementation of Chef in Dev/QA/Int and prod environments and integrated with Active Directory.
• Implemented rapid provisioning and life cycle management for Redhat LINUX using kickstart
• Implemented Puppet for IT automation tasks across server farm.
• Installation, configuration and deployment of LAMP servers
• Installation, configuration and maintenance of Git hub.
• Proactively reviewing incident trends and report recurring issues to Problem Management.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server based Linux tools.
• Experience in performing, uploading and upgrading new firmware on the Interconnects and Chassis
• Familiarity with php-based server applications & Zend PHP IDE.
• Proficient in providing support on the deployed Red Hat Enterprise Linux & Sun Solaris servers from both operating system level and application Level.
• Responsible for troubleshooting the servers with SCCM client problems and installing clients on servers and desktops
• Maintained scripts to ensure a secure IIS administration.
• Expertise in configuring Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes utilizing clusters.
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Expertise in working with MySQL databases, Apache Web server, Tomcat Application Servers
• Troubleshooting any performance or configuration issues with MySQL and Oracle.
• Expertise in hardening, Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
• Managed and configured Microsoft's Office 365 Azure active directory so that it was properly synchronized with the on premise Active Directory environment.Experience with Microsoft Exchange server 2007/2010.
• Excellent knowledge of Administrator Exchange environment.
• Maintenance of DNS (Bind) zones, adding, removing of DNS Records, ensures replication.
• Installation and configuration of Zabbix monitoring system.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Experience in scripting using BASH & PERL, Samba Server, and Apache Server.
• Patch management of servers and maintaining server’s environment in development / QA / Staging /Production.
• Setup the virtual infrastructure (VMWare vSphere 6.0), Cisco UCS domain, Dell VRTX as per the proposed design.
• Deploy Windows server 2008/2012 infrastructure. Vendor coordination for Server hardware management, replacement of failed parts.
• Installation and configuration and setup of docker container environment.
• Resolving assigned tickets in Development/QA/Staging/Production.

Environment: RHEL 4.x/5.x/6.x, Centos, Solaris, VERITAS Volume Manager 3.x/ 4.x, VERITAS Storage Foundation 5, VMWare ESXi 5.1, NFS, DNS, SAN/NAS.

Confidential, Indianapolis, IN.

Windows and Linux Admin.

Responsibilities:

• SupportedLinux /Solaris servers in production / stage / development environment.
• Installed, configured, administered and troubleshooting of Server Operating System: Windows Server 2008, 2012
• Multiple Migration Servers: Windows Server 2003 and Windows Server 2008 and 2012.
• Lead a team of 12 System Administrators.
• Provided advanced level guidance on IT issues relating to Microsoft Windows Server 2003/2008/2012 , Active Directory and Exchange.
• Extensive experience in Windows AZURE(IaaS) migrating like creating AZURE VMs, storage accounts, VHDs, storage pools, migrating on premise servers to AZURE and creating availability sets in AZURE.
• Automation of Windows Security patching on Exchange servers using Powershell and MS SCCM
• Configured directory structure in IIS and installed Application server plug-in in IIS.
• Implemented Puppet for software deployments.
• Experience Develop new security template in VMWare for Red Hat Linux 6.5 to meet existing security standard.
• Experience in installation and troubleshooting of operating systems (Windows 7/8, Vista, XP), Microsoft Office and other software.
• Responsible for troubleshoot and support of SCCM servers running Windows server 2012/2008R2.
• Developed PowerShell scripts for regular activities like access provisioning, server health check, audits, remote role/feature installation etc
• Upgraded Windows 2008 to Windows 2012.
• Defined group permissions and created local and global groups with account policies using Enterprise Administrator. Created user rights and defined local and roaming profiles. Involved in supporting data migrations in Windows VMs using vMotion.
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• REDHAT Enterprise Linux 3, 4 Installation on various servers using Kick start and configuration & support for various applications run on Linux environment.
• Report status through JIRA tickets and track work effectively.
• Day to day duties for UNIX/Linux server Maintenance and Support to developer’s team for their issues with application, tuning, troubleshooting, software running on UNIX/Linux Servers.
• Installation, configuration of Jenkins for Continual integration.
• Disaster Recovery operation setup & checkup at contracting facility
• Implementation of Syslog-NG for log monitoring.
• Implemented Spacewalk for patch management.
• Createdfile systems using VERITAS volume manager & VERITAS File system. Administration ofDisks and File systems using SVM and Veritas Volume Manager.
• Developed variousshell scriptsto automate aspects of systems maintenance. Handled Installation and configuration of Solaris and Linux on Sun Servers.
• Troubleshootingofproblems related to hardware, operating systems, third party applications & scripts.
• Installation, configuration and maintenance of apache / Cloudera Hadoop nodes.
• Automation scripts for weekly and monthly backups in Perl and shell.
• Linux Server monitoring for maximum availability using Nagios monitoring tools and taking steps to Keep servers up and running under 24x7 environments for maximum uptime.
• Implemented Open stack Icehouse to provide private cloud environment.
• 24x7 support for the UNIX servers. Rotating on call pager responsibilities for Production environment.
• Importing and exporting data from HDFS. Build and Maintain the ETL Process for data movement to HDFS.
• Installed and configured Splunk for Nagios log monitoring.

Environment: RHEL3,4,5 &6 SunUltra Sparc 60, Sun Fire, VMware, Volume Manager (VxVM) 4.1, Veritas Cluster server (VCS), VMware ESXi5.1.

Confidential

Windows and Linux Admin

Responsibilities:

• Installing operating systemsLinux, CentOS and Solaris according to business requirements.
• Installed, configured, administered and troubleshooting of Fedora Linux to support VMware to virtualize Windows Servers Platform.
• Server Update Windows 2003 to Windows Server 2008 and Windows Server 2008 R2.
• Planning and implementing the configuration changes to the servers adhering with ITIL change management process.
• Trouble shooting the issues ranging fromSolaris, Linux and SAN environments.
• Created and MaintainedSolaris10 zones/containers.
• Experience in creation and maintenance of ZFS file systems.
• Regularly applying patches both forLinux / CentOS systems.
• Used Robocopy for time scheduler in windows 2008/2012.
• Installed and Configured Kickstart Server.
• Working with VERITAS Volume Manager for creating volumes and file systems for various applications and databases.
• Deployed the App-V Packages through SCCM 2007/2012 and troubleshoot and resolve SCCM management point policy issues and package deployment failures.Deployed ESXi 5.1 and Windows 2012R2 on new HP ProLiant DL 380 G8 servers.
• Creating and maintenance of Virtual machines in VMware workstation and ESX.
• Worked on different VMware products like VMware workstation, VMWare server 1.2 /2.0 GSX/VMware server, VMware player, and VMware Converter and ESX server 3.X.
• Configured, Installed LDAPauthentication in Linux server environment.
• Managed Opsware for network device management and monitoring.
• Involved in SAN migration project to migrate the data across the storage arrays.
• Consolidated physical servers migrating into VM Virtual environment.
• Performed the P2V, V2V and P2P for the Windows Machines using SCVMM 2012 in the Hyper-V Environment and From ESXi 5.1 Environment to Hyper-V Environment.
• Part of service transition team, during Convergys sold its HR business.
• Implemented security policy and managed firewalls/IDS. Managed DNS, send mail, IP space, and co-location facility transition.
• Responsible to handle AD accounts, SCCM single image creation and deployment.
• Providing 24/7 on-call support on rotation basis.
• Developed Bash and Perl scripts to automate routine activities
• Installation and Configuration of Windows Active directory server 2008 and citrix servers. Administration of applications via Citrix Meta Frame.

Confidential

Systems Admin

Responsibilities:

• Responsible for installing and configuration of RHEL, CentOS, and SuSe.
• Implemented day-to-day tasks in RHEL including user access, setting up Sudo rules upgrading.
• Installed and configured RAID 0, RAID 1 and RAID 5.
• Kernel, firmware, and rpms as well as adding SAN disks.
• Data Centers support contains 700 + servers.
• Ensuringperformance issues are properly addressed at right time to enable performance tuning.
• Worked with File System includes UNIX file System and Network file system. Planning, scheduling and implementation ofO/s.patches on both Solaris & Linux.
• Configure IBM RS/6000 for production, staging and test environments.
• Worked with installation and configuration of VMware ESX servers.
• Installation and Configuration of SSH, TELNET, FTP, DHCP, DNS.
• Installation and configuration of NFS, NIS, TCP/IP and ZFS.
• Monitoring and troubleshooting issues of operating systems.
• Trouble shoot network issues using 'ndd', 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Local and Remote administering of servers, routers and networks using Telnet and SSH.
• Installation and configuration of Web Sphere, Apache, Web Logic, LDAP, and mail servers.
• Use of packages like SAMBA in integrating UNIX files systems.
• Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Interacting with various teams such as Database, Net-backup and SAN teams.
• Worked with Veritas Net backup for enterprise wide backup and recovery.
• Installation and configuration of Volume Manager, Cluster Servers.
• Document process and procedures for system and database usage.
• Creation and management of user accounts and groups according to the security needs and adding the Packages and patches when needed.
• Helped Development team to provide the information and troubleshooting.
• Network & Firewall troubleshooting.
• Documenting processes and troubleshooting scenarios on runbooks.
• Provided support for large number Production, Development and Test systems.
• Providing 24*7 on-call support on rotation basis and Handling High priority incidents through bridge calls.