SUMMARY

• 8+ years of IT experience in large scale enterprise support. Proficient in all aspects of Server computing Infrastructure Management.
• Experience in Installation, configuration, and System Administration with Linux (RHEL 6/5/4/3), Solaris (10/9/8), HP - UX (11.x/10.x), AIX (5.x/4.x).
• Storage experience in managing NAS, EMC storage arrays and Veritas Net Backup administration (VNB).
• Experience working with ITIL process (Change management, release management and problem management).
• Excellent communication, leadership, mentoring, written and problem-solving skills.
• Excellent interpersonal and customer relational skills.
• Experience in configuring Zettabyte File System (ZFS) pools, file systems, snapshots and clones in Solaris and Global File System (GFS) in Linux.
• Experience in building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux system with System Imager that automates Linux installs.
• Experience in building Servers using Kickstart for Linux, Jumpstart and Flash Archive for Solaris, Ignite for HP-UX and exposure to NIM for AIX installation.
• Monitoring and administering Sun-Solaris servers and Red hat Linux servers.
• Experience in RPM Package Administration for installing, upgrading, and checking dependencies.
• Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux.
• Extensive experience in doing backup to tapes periodically using job scheduling Crontab & AT.
• Expertise in monitoring System resources and Kernel parameters to enhance the system performance.
• Experience in configuring, deployment and support of cloud services including Confidential Web Services (AWS).
• Extensive experience in Shell (Bourne, Korn) and knowledge of HTML, Java Scripts, SQL, Perl Scripting.
• Administering operating systems, hardware, and peripheral components, and maintain databases.
• Experience with the following applications monitoring tools: AppDynamics, SPLUNK, Moogsoft, Solar Winds, Datadog.
• Experience in migrating the existing v1 (Classic) Azure infrastructure into v2 (ARM), scripting and templating the whole end to end process as much as possible so that it is customizable for each area being migrated.
• Design and implement scalable enterprise monitoring systems by applying continuous integration/delivery concepts.
• Perform maintenance and troubleshooting of our enterprise Redhat OpenShift systems
• Experienced with SOA, Web Services, SOAP, Soap UI, RESTFUL, WSDL technologies.
• Expertise in designing and implementing LANs, WAN services and IP Addressing schemes.
• Experienced in developing web-based applications using Python, Django, PHP, C++, XML, CSS, HTML, DHTML, JavaScript and jQuery.
• Installation and configuration Veritas NetBackup on Servers and performing Backup using Veritas Net Backup.
• Experience on Google Cloud Platform (GCP) and worked on OpenStack-manuals and Security Guide to the OpenStack Community.
• Setup full CI/CD pipelines so that each commit a developer makes will go through standard process of software lifecycle and gets tested well enough before it can make it to the production.
• Experienced in creating the flow files in Apache Nifi and send the alerts to AIOPS Moogsoft/Xmatters.
• Helped run our Lab to reproduce problems on Red hat Linux 5,6,7, Aix 5-7, Solaris 710, Zen, ESX/VMware Windows, Linux, HP-UX 10.2-11.31.
• Work to continuously improve speed, efficiency and scalability of OpenShift systems.
• Experience in Open stack components Neutron, Nova, Cinder, Horizon, Ceilometer, Heat, Glance and Swift.
• Experience in Installing, upgrading and configuring RedHat and centos using Kickstart servers and interactive installations, also administered server consolidation program through the use of VMware virtual center.
• Extensively worked on administering NFS, NIS, NIS+, DNS, DHCP, LDAP, Mail servers and Samba servers.
• Experienced with Puppet, Ansible, Chef and saltstack as System Configuration Tool.
• Experience onNew environment Buildtill the latest Netbackup and Veritas Appliances version.
• Perform software product in installations, updates, and customizations of Veritas NetBackup components and tape/vtl infrastructure.
• Extensively worked on Solaris 10 Container technology, responsible for creating, configuring and maintaining ZONES and installing applications on individual zones (global and local zones).
• Environment: Ubuntu 14.04, CentOS 6/7, Fedora, RHEL 5, 6, Chef, Puppet, Ansible, Jenkins, Docker, Vagrant, Salt Stack, CF Engine, LDAP, Bamboo, AWS, iptables, AWS, Zenoss, Icinga, Nagios, VMware, Vmotion, Vrealize, GIT, GITlab, Splunk, Vagrant, VLAN, TELNET, DHCP, NIS, SSL administration, HP Proliant DL 120 Gen9 Server, Apache, Nginix, Domino, firewall, Import and Deport disks into a disk group depending on the requirement using the vxassist utility on the Veritas Volume Manager.
• Experience in installation, configuration and administration of VMware based virtual servers using ESX/ESXi servers, vSphere and Virtual Center.
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Red Hat Cluster Suite and HP Service Guard.
• Experience in installing, configuring the Volume/File system management using Veritas Volume Manager (VxVM), Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas File System (VxFS).
• Experience working on Oracle Real Application Cluster (RAC) database, which provides highly available database solutions and supported MS SQL Server and DB2 teams.
• Experience on Live Upgrade, migrating from UFS root file system to ZFS file root system in Solaris.
• Involved in Data Center Migration for P2P, V2V and P2V environments.
• Experience in User & Security administration, multiple backups & recovery technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.
• Expertise in configuring IPMP (IP network Multipathing) in Solaris and Bonding in Linux.
• Experience with implementing solutions based on Virtual Machines (VM) technologies such as KVM, VMWare, OpenStack etc. as well as container technologies such as Docker and Singularity.
• Proven communication, presentation skills and leadership qualities.
• Good team player with proficiency at time management, multitasking, able to meet deadlines and handle priorities.

TECHNICAL SKILLS

Operating System: Red Hat Linux 7/6/5/4, SuSE 11/10, Solaris 10/9/8, HP-UX 11.31, 11.23, 11.11, 11.0, IBM AIX 5.x/4.3.

Hardware: SUN Enterprise- M5000/4000, ST2540 M2, SUNFIRE X4270 M2/X4170 M2, M-Series, T-Series Servers, HP ProLiant DL 380/360 G6, G5, p3440/rp7440/rp 8440 Server, SUN Storage Tek Tape Auto Loaders SL48/SL24, IBM RS/ / M80 / H70 / H50 Series server and pSeries, HP/Dell/IBM/Sun Blade Servers.

Network/Naming Services: NFS, NIS, NIS+, DHCP, Proxy Server, DNS, LDAP.

App/Web Servers: WebLogic 11/10/9, WebSphere 8.0/7.0/6.0/5.0 , Apache 2.x/1.3x, Tomcat.

Languages: UNIX Shell Scripting, Perl Scripting, HTML, Java Script.

Third Party Software: Veritas Volume Manager (VxVM), Veritas Cluster Service, Red Hat Cluster Suite, HP Service Guard, Sun Cluster, EMC Storage, VMware ESX, RAID Technologies.

Backup Management: Veritas NetBackup 6.x/5.x/4.x, Ufsdump, Ufsrestore, tar, cpio, dd.

RDBMS: Oracle 12c/11g/10g/9i/8i, MS SQL Server, My SQL.

Protocols: TCP/IP, UDP, RIP, FTP, SNMP, OSPF, SMTP, TELNET.

PROFESSIONAL EXPERIENCE

Confidential, Poughkeepsie, NY

Sr. DevOps Engineer/Linux Administrator

Responsibilities:

• Installation, configuration and upgrade of Linux, Solaris and AIX, HP-UX.
• Installation of Patches and Packages.
• Bringing new servers into the centralized System.
• Extensive experience in setting up CI/CD pipelines using tools such as Jenkins, Bit Bucket, GitHub, Maven, Nexus and VSTS.
• Used configuration management tools Puppet and Ansible.
• Extensive working experience in process scheduling, disk and file system I/O, kernel internals, TCP/IP networking.
• Implemented SUDO, SSH and other security tools and security compliance.
• Installation and configuration of Apache/Web logic on Solaris, Linux and Windows.
• Installed, maintained & performed troubleshoot on RHEL 4.x, 5.x, 6.x ( 32 and 64 bit ), CENTOS, FEDORA etc and configuring them for different purposes such Databases and Applications.
• Design/implement/manage Data Domain/NetBackup Appliances MSDP pools for nearline storage.
• Experience in integrating code quality tools such as SonarQube, in CI/CD pipelines.
• Configuring NFS, NIS, NIS+, DNS, and disk space management on Linux/Unix servers.
• Installing and configuring Linux, Solaris, HP-UX, and AIX using kickstart, Jumpstart, Ignite and NIM.
• Design and implementation of a Puppet-based configuration management system for all new Linux machines.
• Set up a GCP Firewall rules in order to allow or deny traffic to and from the VM's instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations drastically improving user experience and latency.
• Extensive involvement in Designing Azure Resource Manager Template and in designing custom build steps using PowerShell.
• Implemented day-to-day tasks in Redhat Linux that include upgrading Rpms, kernel, HBA driver, configuring LVM file system, printing issues, connection / network issues etc.
• Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration. including creating alarms to monitor metrics such as EBS, EC2, ELB, RDS, S3, SNS and configured notifications for the alarms generated based on events defined.
• Administered, maintained RHEL 4.x, 5.x, 6.x (AS, ES ), Solaris 9-10, CENTOS, FEDORA, SUSE Linux 10.3 11.1 & OEL 5.5 troubleshoot hardware, operating system, applications & network problems and performance issues.
• Installation of local yum repository and package administration using yum and rpm.
• Implantation of CI/CD end to end pipeline.
• Installed, configured and managed Puppet Master and Agent.
• Supported 24/7 High availability production servers.
• Performing software installation, upgrades/patches/packages, troubleshooting, and maintenance on UNIX & Linux Servers.
• Implemented high availability with Azure Classic and Azure Resource Manager deployment models.
• Management of RPM/YUM packages on Red Hat Linux systems.
• Worked on google cloud platform (groovypyth) services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment manager.
• Openstack Swift and/or other HTTP based storage systems.
• Formation of hardware components during regular maintenance using hp online diagnostic utilities SFM (system fault management), STM (support tool manager).
• Created/used LDOM in Solaris 10 and installed multiple OS.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Support the implementation of Veritas NetBackup upgrades/changes through extensive client interface and actual product rollout.
• Extensive use of volume management tool using Logical Volume Manager to create disk groups.
• Installation, Configuration and Administration of High Availability using Red hat cluster and Veritas Cluster Servers for failover and redundancy purpose.
• Implemented in Red Hat Cluster Suite and Global File system, Red Hat Network Satellite Server.
• Implemented best practices for NDMP across Unity and NetApp appliances.
• Building/Maintaining Docker/ Kubernetes container clusters managed by KubernetesLinux, Bash, GIT, Docker, on GCP.
• Maintain NetBackup high level sharepoint documentation for design and flow.
• Improve speed, efficiency and scalability of the continuous integration environment, automating wherever possible using Python, Ruby, Shell and PowerShell Scripts.
• Provide technical support for multiple Veritas NetBackup environments for local and remote data centers.
• Configured new service group and resources for new application in Veritas Cluster Servers.
• Worked on server consolidation and migration from one data center to another data centers.
• Creating meta devices, soft partitions, mirroring the devices and metasets.
• Space allocation to the meta devices, detaching and clearing the devices if not in use.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Worked on Disaster Recovery site configuration in testing.
• Installed and configured VMware ESXi server created VMs and deployed Linux on VMware based VMs.
• Created and used Playbooks in Ansible Tower and integrated tower with Jenkins to deploy code to different servers.
• Implemented best practice methodologies for Oracle backups using application discovery.
• Worked on TRACE Action Request system for ticketing and tracking asset records.
• Participation in change control activities, involved in memory sizing of different applications.
• Extensively worked in data and database migration from older machine to latest configurations.
• Configured IPMP, NIC Bonding and Storage Multipathing
• Troubleshooting various problems, logging call with vendors.
• Monitor performance and resource utilization of key systems and provide ongoing trend analysis for forecasting future resource requirements.
• Complete periodic checks of production and development systems, CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
• Running different, installing the required RPMS ( using physical media, virtual media and RHN ) on new servers and getting them ready for Database creation and Installing Applications. verify successful completion of daily incremental and database backups, following developed procedures.

Environment: Solaris 8,9,10, RHEL 4, 5, 6, Sun Enterprise 4500/4540/6500/450/420 R/250 server, Sun fire 6800/4800/480 , E10k/25K. Tseries, Mseries, HP Itanium, HP PA -RISC boxes Rp8200, IBM series 670, p5 595, series, HP Blade Server C7000, BL660, BL460, Dell Blades M1000e.

Confidential, Allentown, PA

DevOps Engineer / LinuxSystem Administrator

Responsibilities:

• Installation, maintenance, administration and troubleshooting of Sun Solaris, AIX, HP-UX, Linux.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Communicating and transferring all knowledge to existing staff.
• Troubleshooting application problems that are discovered like log file analysis with understanding of network addressing, subnets and routing.
• Developed Cloud Front to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end serve.
• Created multiple Python, Bash, Shell and Ruby Shell Scripts for various application level tasks.
• Configured SQL Server Master Data Services (MDS) in Windows Azure IaaS.
• Automating routine task using UNIX shell scripting.
• As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third-party tools, securing of OS, installing and configuring, job scheduling.
• Extensive experience in setting up the CI/CD pipelines using Jenkins, Maven, Nexus, GitHub, CHEF, Terraform and AWS.
• Capacity planning and recommending hardware for SAN (Storage Area Network) implementation and replacements.
• Managing the OpenShift cluster that includes scaling up and down the AWS app nodes.
• Manage multiple World-Wide NetBackup 7.7 Domains consisting of NetBackup appliance/Linux/Windows master and media servers.
• Upgrading Openstack requirements from juno, kilo to Liberty and Liberty to Mitaka versions.
• Configuration and administration of LDAP, NFS and NIS in Linux and also implemented Samba for sharing of resources between Linux and Windows environments.
• Working closely with staff to customize the configurations of JBoss JON (Jboss operations network).
• Set up VSTS CI/CD pipelines for Microservices on VSTS and deployed to Azure cloud using App services.
• Installation & configuration of HP-UX Servers through ignite server, patch depot management for ignite server.
• Installed the Operating System on Solaris and Linux servers and blades severs over the network.
• Built servers according to standards specified as per individual applications.
• Built virtualized Linux servers on ESX and blade servers to host multiple applications on same chassis across different server hosts.
• Used Chef for configuration management of hosted Instances within GCP. Configuring and Networking of Virtual Private Cloud (VPC).
• Create custom scripts to notify legal departments of critical backup retentions approaching and also notification of expired images for documentation.
• Support rollout and configuration of Data Domain 9X appliances and NetBackup; 5X appliances.
• Conducting research to identify the latest cutting edge computing, networking, and connectivity trends and developments to keep us at the forefront of the industry.
• Set up CI/CD pipelines for Microservices on AWS using App services.
• Verifying Openstack environment in Docker Containers for Sanity tests before upgrading production environment.
• Set up Linux servers for iSCSI LUN boot instead of using local hard disk.
• Installation and configuration of Veritas Volume Manager, Veritas File System and Veritas Cluster Server.
• Building, installing and configuring Veritas cluster Server, Red hat Cluster and HP MC Service Guard.
• Applied patches and packages on Linux servers using RPM Red Hat Package Manager and YUM tools.
• Ensured automatic startup of different services by using chk config.
• Set-up databasesin GCP using RDS, storage using S3 bucketand configuring instance backups to S3 bucket. prototype CI/CD system with GitLab on GKE utilizing kubernetes and Docker for the runtime environment for the CI/CD systems to build and test and deploy.
• Installation, configuration and upgrade of Linux/Unix operating system.
• Configured Opsware on the servers for event tracking.
• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation.
• Set up Linux servers for LAMP implementations and readiness.
• Created file systems from local storage as well as NFS partitions for application portability.
• Worked with RedHat OpenShift Container Platform for Docker and Kubernetes, used Kubernetes to manage containerized applications using its nodes, Config Maps, node-selector, Services and deployed application con.
• Architected Sun servers into different domains based on application demands.
• Creation and scheduling of Cron Jobs, System Monitoring and removal of unnecessary files.
• Helped run our Lab to reproduce problems on Red hat Linux 5,6,7, Aix 5-7, Solaris 710, Zen, ESX/VMware Windows, Linux, HP-UX 10.2-11.31.
• Created a custom Puppet module skeleton to use same structure across all Puppet modules.
• Updated & running the various source codes for migration & updating follow-up the release management.
• Installation and configuration of Veritas Volume Manager/File System, LVM and SVM.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Implemented virtual, integrated, management and proxy IPs on the machines to serve different purposes.
• Experience making Kernel changes to improve system data throughput.
• Installed and configured Apache, MySQL and PHP products on the Linux servers.
• Involved in server migration project and migrated to VMware based virtual machines.

Environment: RHEL4,5,6, Solaris 8,9,10, HP-UX 11.x, AIX 5.2, Sun Enterprise E /420 R/250, M4K, M5K, M9K, T2K, T5K servers, HP ProLiant-DL 360 G7, DL 380 G6, DL 380 G7, DL 580, IBM RS/6000, IBM Power 570, p5 505 Express servers.

Confidential, Chicago, IL

Linux/Unix System Administrator

Responsibilities:

• Installation, configuration and administration of Red hat/Suse Linux and Solaris Operating System.
• Worked in server migration using P2P, V2V, and P2v conversion.
• Involved in managing and maintaining the CI/CD pipeline using DevOps Toolset which includes Continuous Integration of GitHub, Jenkins, JFrog Artifactory and deploying through Ansible and Ansible Tower.
• Working on Antivirus McAfee installation on Linux servers and making the exclusions.
• Implementing SUDO, SSH and other security tools as per department’s Linux Security Standards.
• Performing User ID creation, modification, deletion and maintain server security.
• Server hardening. Remediating PCI/Audit requirements. Server Patching. Building out VM servers.
• User accounts management, developing kornshell scripts for various system performances monitoring purposes and troubleshooting.
• Extensive experience in installing, configuring and maintaining Application Servers like WebSphere and WebLogic, Web Servers like Apache, HTTP and Tomcat on UNIX and Linux.
• Opening Cases with vendors as needed. Providing Root cause analysis for problems as needed.
• Worked with monitoring tools such as Nagios and HP Openview.
• Used Bash and Python, included Boto3 to supplement automation provided by Ansible and Terraform for tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.
• Installing and configuring systems such as supports GIS infrastructure applications or Asset Management applications. Assisting in application dependency analysis.
• Moving Linux based applications to different VDC as required.
• Database Solution focusing on one Lion and one SQL build.
• Knowledge of a Solution that has an ESXi Farm. Storage- NAS new/growth, SAN new/growth, and CIFS.
• Networks and Connectivity- network for Build Center.
• Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.
• Creating a Decommission Intake. Tracking Decommission Process.
• Installing operating systems on new hardware or virtual containers.
• Extensive experience in implementing, administering Linux, CentOS, Ubuntu and Rabbit MQ on environments.
• Configuring external storage and system backups.
• Building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux system with System Imager that automates Linux installs.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
• Updating DNS entries, and server team wiki documentation as needed.
• Creating/expanding NFS shares/add/remove SAN disk/manage LVM.
• Providing on-call help as needed. Managing server inventory database.
• Assisting in implementing new SSL certificates and assist in Linux IP360 score remediation.
• Troubleshooting any issues that arise during the server build and performing other tasks related to delivering servers and storage in data centers.
• Using Build Center and the other Solution Suite tools.
• Involved in installation, configuration and administration of Apache Web server, BEA Web Logic and IBM Web sphere and Samba Server in UNIX and Linux.
• Rackmount (L-RDH)-Server Build Configuration.
• Registering all Linux Servers to Satellite and updating.
• Installation of Patches and Packages using Red Hat Satellite.
• Assisting in implementing a monthly RHEL patching strategy.
• Worked in server migration from P2V.
• Setup a Connection from xP SM7 to xM SM7 and Reverse.
• Setup, Implementation, Configuration, documentation of Backup/Restore solutions for Disaster/Business Recovery of clients using OMNIBACK on UNIX and LINUX platform.

Environment: Red hat Linux 5/6/7, Suse 10/11, Solaris 10, Sun Enterprise 4500/4540/6500/450/420 R/250 server, HP PA -RISC boxes Rp8200, IBM series 670, p5 595, series, HP Blade Server C7000, BL660, BL460, Dell Blades M1000e.

Confidential, Houston, TX

Linux System Administrator

Responsibilities:

• Installation, configuration and upgrade of Solaris, AIX, HP-UX, Linux (Red hat and SuSE).
• Installation, configuration and troubleshooting of VXVM under sun Solaris 8, HP-UX.
• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH, SSL.
• Setup and maintained DNS primary, secondary, cache-only servers, DHCP servers and DNS clients.
• Worked on incidents problem and change tickets related to AIX/Unix/Linux server.
• Managing (adding/removing) disks partitions.
• Openstack/Linux administrator with experience in Openstack, cloud computing, Virtualization, Linux System Administration and Configuration Management.
• Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell, and Perl scripts.
• Managed HPC cluster, performed hardware, BIOS and application upgrade.
• Configured and managed Apache web server and Managed software and hardware RAID systems.
• Managed user accounts and authentication process by NIS service.
• Worked with Ansible, to automate the deployment of various applications and services. Also worked with Ansible to create aw instances. Used Ansible to manage Web applications, Environments configuration files, packages, Mount points and users.
• Installed and configured VMware ESX server instances for virtual server setup and deployment. Responsible for creating VMware virtual guests running Solaris, Linux, Windows.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Installations of HP Open view, monitoring tool, in more than 300 servers.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
• Department Security Focal (Managing all the security related issues like Apars, Cirats, Health).
• Worked on security activities (QEV, Health Checks, Priv ID revalidation & PAR) as per ITCS104.
• Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.
• Worked on multiple accounts with Ticket assessment on daily basis.
• Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal on AIX and UNIX.
• Design and implement scalable enterprise monitoring systems by applying continuous integration/delivery concepts.
• Worked on Datacenter Migration Project. Migrated Linux/Unix Servers from one data center to other data center with minimal downtime.
• Administration of Tivoli Storage manager 5.1.4 client.
• Performing User ID creation, modification, deletion and maintain server security.
• Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors.
• Worked on tickets troubleshoot, administer and performance tune AIX 5.1, Solaris 6, 7 and 8, Red Hat Linux 3.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
• Configured and administered LPARs. Installation of patches and other software packages.
• Worked on Server commission and decommission.
• Monitoring the System Performance and tuning the kernel to enhance system performance.
• Worked on backup issues and resolving as required.
• Job Scheduling and Automating process using CRON & AT.
• Worked on Citrix environment user management.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.

Environment: Solaris 8,9,10, RHEL 3,4,5, AIX 5.2,5.3 HP-UX 11.x and Sun Enterprise Servers 6800, 4800, v480, E5500/E4500 and E3500, Veritas File System 3.0, ORACLE.