SUMMARY:

• UNIX / Linux Admin with more than 8 plus years of industry experience into Linux, Solaris, VMWare and AIX.
• Excellent knowledge of Linux including Red Hat Enterprise Linux, Scientific Linux, CentOS, Debian.
• Hands on experience on SAP implementation on Linux and Windows servers.
• Worked extensively in planning, designing, installing and configuration and implementing on Sun Solaris 9, 10, 11; RHEL 4,5,6,7
• Experience working on system automation using scripting
• Datacenter migration and Tech refreshes
• Experience with various UNIX systems including building of servers, migration, production support, data center support, packaging, automation, troubleshooting and security hardening of servers.
• Experience with managing and integrating with virtualization solutions (VMware, LDOMs, Zones)
• Experienced in configuring and administering NFS, NIS and FTP with very good understanding of networking protocols such as TCP/IP, DNS.
• Experienced with SAN, NAS and storage administration, with EMC Clarion & DMX storage. Configured Sun Multi - Packs, Storage Arrays, T3’s and SAN backup for disaster recovery.
• Hardware:Sun Fire 280R/V 480/4800/880/15 K/T5-4, M5000, HP Blade servers, Dell PowerEdge servers, Fujitsu Prime-power (SPARC)
• Worked with VERITAS Cluster, Sun cluster, Oracle RAC
• Implemented Puppet modules to automate configuration of a broad range of services.
• Running security scans and remediating Servers to meet enterprise standards.
• Implemented anti-spam technology based on open source applications on Linux servers.
• Experience with IBM Middleware & Information management technologies namely WebSphere Application Server, WebSphere Commerce Server, and Tivoli in a multiplatform environment.
• Installing, configuring, and maintaining Samba Web Servers, WebLogic and WebSphere Application Servers, and Oracle, SQL and Sybase, Oracle RAC database technologies.
• Moving RHAS machines from physical to virtual including VMware ESX 3.5 and VSphere 4.0.
• Installing and upgrading VMware tools on client machines.
• Installed and configured KSAR 5.0.4 for system activity in the RHEL 4 and 5.
• Experience in configuring and maintaining NAS and SAN storage.
• Managed Patches, Upgrades and Licensed Products for System software on all flavors of UNIX and Linux Servers.
• Supported Disk Volume Management - creating volume and Logical Volume Manager.
• 24X7 on-call production support and troubleshooting problems related to RHEL and SUSE Linux.
• Experience in Troubleshooting issues related to upgrades of VCenter and ESXi and vSphere update manager.

TECHNICAL SKILLS:

Databases: Microsoft SQL server, Sybase, MySQL, Oracle RAC 7.x/8.0/9i.

Hardware: HP ProLiant DL 360, 380, 580, 980, G3, G4, G6, G7, Dell PowerEdge 2850, 2950, Intel X64 based servers, HP Blade Servers, IBM RS/6000, M80, S80, H70, H80 Pseries 570, 590, 595, 630, 650, Sun Fire 4500, V480, Backup Devices such as tape library and tape drives.

Server Monitoring Tools: Service Now, HP Open view, Nagios, HP Site scope

Networking: NIS, NFS, DNS, SSH, CISCO Switches/Routers/Access Points and Firewalls.

Protocols: TCP/IP, IPv4, IPv6, FTP, SFTP, SCP, SSL, ARP, DHCP, LDAP, TFTP, RARP.

Virtualization: VMware, Virtual Box, XEN, KVM, Docker, Hyper-V, Open stack, VSphere Client.

Storage Devices: VVM 3.1/3.2, RAID Manager, NAS, SAN.

SAN: EMC, HDLM, NetApp, DMX, VMAX, Hitachi arrays.

Monitoring Tools: Nagios, Tivoli, Chef, Puppet and Ansible

Volume Management: Red Hat LVM, VERITAS Volume Manager.

Operating Systems: Red Hat Linux 4, 5, 6, 7, Solaris 8, 9, 10, HPUX 11i V1, V3, VMWare ESX 3, 4, 5, SUSE 9, 10, Centos 4, 5, Fedora 12, 14, 16, Debian 5, 6,7, Ubuntu 11, 12.

Programming Languages: Shell scripts KSH, CSH, BASH, HTML and PERL.

TIBCO PRODUCTS: EMS, RV, and related routing channels via RGB, and IBM MQ.

PROFESSIONAL EXPERIENCE:

Confidential, Andover, MA

UNIX Engineer

Responsibilities:

• Installation of RHEL (Red Hat Enterprise Linux) 5.X, 6.X, 7.X administrator and server maintenance
• Using and configuring Red Hat Satellite server, Yum repositories and Troubleshooting activities.
• Experience in Installation, configuration, patching, support to application and web server.
• Administering Open stack environment.
• Built Solaris servers, including LDOMs and Zones
• Worked with backend multi-TB storage systems such as EMC, Netapps, Hitachi using Volume Managers such as LVM, ZFS/ZPOOL, and VERITAS Volume Manager.
• Migration of DC and re-platforming of applications and DBs for tech-refreshes and consolidations between various UNIX flavors (Solaris, RHE Linux).
• Installed AIX operating system on IBM pSeries hardware
• Supported IBM pSeries p5, p6 & p7 Servers and AIX Hardware Setup and configuration.
• Bash scripting supporting Linux and Solaris servers
• Good experience working with Java and C programming languages.
• UNIX Admin and work on network implementation as in TCP/IP DHCP, SIP, NTP, IPV6 and RTCP and TIBCO based implementation
• Monitored SAS server activity and administered logging with LSF Scheduler and Batch Process
• Test Automation skills including continuous integration on Jenkins based backend Linux (RHEL & CentOS) test automation framework with Shell, AWK, and Python based scripts using API business objects
• Hands on Experience in text based Data mining using shell scripting and Python coding
• Extracted and loaded data using Python scripts and PL/SQL packages.
• Working in team of Architects and Developers to build and deploy Python Flask Peewee Linux AWS.
• Experience in Developing KORN, BASH, PERL, Python shell scripts to automate cron jobs and system maintenance.
• Administer new and existing employee user records in LDAP and Atlasssian's Jira
• Experience with Multi Master LDAP configuration in distributed environment and Tivoli tuning for high availability and optimized response time
• Experience in designing, implementing and deploying LDAP Directory Server architecture which includes replication, data synchronization, and policy store and user store management.
• Experienced in assisting Web Administrators, LDAP Administrators to determine the best values for parameters and tune the system to boost performance in the Web Tier, the Application Tier, and the Data Tier.
• Experience in designing, implementing and deploying LDAP Directory Server architecture which includes replication, data synchronization, policy store and user store management.
• Created Python scripts to totally automate AWS services which include web servers, ELB, Cloud front distribution, database, EC2 and database security groups, S3 bucket and application configuration, this script creates stacks, single servers, or joins web servers to stacks.
• Designed a reporting structure using Java script for the end user to research on the results.
• Setting up the build and deployment automation for Java based project by using JENKINS and Maven.
• Used ANT and MAVEN as a build tools on Java projects for the development of build artifacts on the source code.
• Focused on Flexlm licensing and LSF management for Solaris and Linux users.
• Involved in standardizing Splunk forwarder deployment, configuration and maintenance across UNIX platform.
• Working on the UNIX platforms like Linux Redhat 5 & 6 applying the Security patches and doing all the change management.
• Proficient working experience with vendors like HP, Oracle, Dell, VERITAS and Red Hat for troubleshooting issues.
• Experience in working with application and web servers - Apache Tomcat and JBoss EAP
• Build Lower and PROD Environment, Install Tomcat & JBoss Servers across TEST & PRODUCTION Environments.
• Currently working on server build activities which involves building Red Hat Enterprise Linux 6 and 7 servers in both Physical and Virtual platforms and procedure documentation.
• Experience installing, configuring, tuning, and supporting Linux servers.
• Installed and configured DNS Server for training and Configured DHCP.
• Involved extensively in virtualizing and managing them using VMware and VCenter VSphere.
• Worked with Business Analysts, Rule Authors and Policy Managers to define the rules and the goal of BRMS tool.
• Experienced in recovering OS from VM snapshots and working on Maintenance mode through VM console.
• Perform Backup and restore using VERITAS Netbackups. Restored files for end-users when necessary.
• Experienced in tasks like managing User Accounts and Groups, managing Disks and File Systems.
• Experienced in creation and maintenance of user accounts and active directory.
• Perform tasks related to technical support & management.
• Experience with various ticketing tools and currently using Service Now for everyday support.

Environment: RHEL 5.X, 6.X, 7.X, LDOMs, LVM, ZFS/ZPOOL, VERITAS Volume Manager, Solaris, RHE Linux, AIX, VMWare ESX 4/5, DNS, DHCP, VERITAS Netbackups, VCenter VSphere. Yum, Netapps, Hitachi, HP ProLiant servers, HP blade systems.

Confidential, Minneapolis, MN

Linux/Unix Engineer

Roles and Responsibilities:

• Installing and configuration of operating systems like Red hat Enterprise Linux 5/6 and Solaris 10.
• Experience in Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experience in support instances running Fedora, Debian, Ubuntu, Centos and Red Hat Linux.
• Experience in supporting Red Hat Cluster and Oracle RAC environment running Oracle databases in High Availability.
• Experienced in automation of Linux using kick start on Physical and VMWare ESX VM's.
• Involved in migration activities of Java scripts and Database scripts from Oracle, MS SQL Server and MYSQL into different environments like Development, QA, UAT and Production on Red Hat
• Deployment and Configuration of application server Tomcat deploying Java and Web Application.
• Experience in Manage file systems using Software RAID and recover an array, Manage file systems using Logical Volume Management, Resize file systems and protect them with LVM Snapshots.
• Experience in scripting using Java and c Programming languages.
• Developed Shell/ Python Scripts for automation purpose.
• Created scripts in Python which integrated with Amazon API to control instance operations.
• Proficient in Automation of various day-to-day administration task by developing Shell, Bash, Perl and Python Scripts.
• Analysis, design, development, enhancement, testing and maintenance of LDAP applications.
• Designing, Implementing LDAP architecture, replication, and data synchronization etc.
• Developed new tree structure on the Red Hat Directory Server (RHDS) 9.0 and designed the LDAP schema with custom attributes and object classes.
• In a secure LDAP environment, Worked on designing replication architecture and configured LDAP replication based on SSL certificate based over a multiple Master replicated servers with multiple salves and hubs.
• Developed monitoring and notification tools using Python. And Wrote Python routines to log into the websites and fetch data for selected options.
• Automation in AWS via Shell and Python Scripting via AWS Command line interface (CLI)
• Experience in automation using scripts in Perl and also shell (bash and korn).
• Experience in SAN migrations at Host level on RHEL, HPUX and Solaris servers using Open Migrator, Open replicator and RHEL LVM and VERITAS commands.
• Develop and maintain configuration manuals, procedure manuals and standards for JBoss application servers.
• Experience supporting single sign on authentication using LDAP on Linux environment.
• Work for creation and maintenance of user accounts and active directory.
• Configured Kick start servers to install Red Hat Linux and VMWare ESX on multiple machines.
• Installation and configuration of WebSphere and JBoss cluster (horizontal and vertical) on Solaris 10 and Red Hat Linux.
• Experienced in Creating user accounts, user administration, local and global groups on ESX and Red Hat Linux platform.
• Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
• Experience in working with configuration management tools like puppet.
• Experienced in Installing VERITAS Volume Manager and Power path on Red hat Linux servers.
• Experience in Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Red Hat Linux platforms.
• Controlling the System Logging services, and examining system Log Files of all system events.

Environment: Red hat Enterprise Linux 5/6 and Solaris 10, Fedora, Debian, Ubuntu, Centos, RAID, Scripting, Bash and Korn shells, RHEL LVM, ELK, Splunk, VERITAS, DNS, NFS, NIS, Mail servers, FTP servers RPM servers.

Confidential, Canton, MI

Linux/AIX Administrator

Roles and Responsibilities:

• Experience in Installation of Red Hat Enterprise Linux 4/5/6, Debian, Ubuntu, AIX, on hardware like HP and Dell & Solaris 9, 10 operating systems on SPARC platforms.
• Proficient in patching RHEL, AIX and Solaris servers to recommended security levels. Maintaining and upgrading operating systems like RHEL and AIX platforms.
• Performed volume management tasks like mirroring using SVM, VERITAS Volume Manager 4.x/5.x and LVM.
• Proficient experience in Server builds, post builds and installations with co-ordination with application and Oracle RAC database teams.
• Involved in developing custom scripts using Python, Perl & Shell (bash ksh) to automate jobs. Configured SSH, SMTP, Build Tools, and Source Control repositories in Jenkins.
• Responsible for CI and CD process implementation with Jenkins using Python and shell scripts.
• Installed, configured and provide support for the LDAP in the development, testing, staging and production environment.
• Load Balancing / Clustering / High Availability / LDAP Replication.
• Configuring User Authentication Stores and Policy Authorization Stores on LDAP.
• In-depth knowledge of computer applications and scripting like Shell, Python, Ruby
• Experience in working with Splunk authentication and permissions and having significant
• Expert in installing Splunk apps for Linux and UNIX environments.
• Worked with Analytics team to design and set up data pipeline using Kafka, Elastic (Elk) Stack and AWS Lambda.
• Supported Oracle DB and Oracle RAC on Red Hat Linux environments.
• Experienced in Installed and configured VERITAS, Net Backup and TSM on Red Hat Enterprise Linux.
• Configured kick-start server and updating/applying patches to the servers using Red Hat Satellite server.
• Configured Kick start servers to install Red Hat Linux and VMWare ESX on multiple machines.
• Experience in Disk mirroring and RAID implementation using VERITAS Volume Manager and Linux Volume Manager.
• Assisted in resolving hardware issues and network connectivity issues related to TCP/IP.
• Experienced in Installed and configured DHCP, DNS, and NFS.
• Worked on Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris with experience in installing SSL certificates.
• Experienced in creation and maintenance of user accounts and active directory.
• Worked on Configured NFS and Open LDAP services in Red Hat Linux and Solaris systems.
• Experienced in Utilization and Implementation of VMware at the full implementation range using the complex features of VMware connectivity with SAN, HA and DRS configuration.
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day tasks.

Environment: RHEL 4/5/6, Debian, Ubuntu, AIX, Solaris 9, 10, SVM, VERITAS and LVM, Server builds, Oracle DB, Oracle RAC, RAID, DHCP, DNS, NFS, SUDO, SSH, ELK, VMware ESX, TCP/IP, Sun Java System, Splunk, Apache, NAGIOS and BMC, SAN, HA and DRS

Confidential, Minneapolis, MN

Linux Administrator

Roles and Responsibilities:

• Installed, upgraded, Mirrored and configured RHEL 4.x and Sun Solaris 10/9.0/8.0 using Kickstart, Jumpstart Installation respectively.
• Experience and good troubleshooting skills in JBoss 5.0
• Planning, Testing, Installation, Tuning, and general administration of the following technologies: WebSphere Application Server ND 7.x, Apache based web servers IBM HTTP Server, SOLR, Mod security Application Firewall
• Upgraded Solaris 8 to 9 and 9 to 10 on Sun servers and workstations. Added necessary patches using patchadd utility and scripts.
• Controlled disk operations, disk group operations, volume operations and volume configurations using vxdisk, vxdg, vxassist, vxmake and vxvol in VERITAS Volume Manager.
• Disk Management using different RIAD technologies in Solaris and Linux using Veritas Volume Manager and LVM.
• VERITAS Cluster Installation and Configuration along with Resources and Service Groups Configuration in VCS.
• Configuration and administration of DNS, LDAP, NFS, NIS and Samba in Red Hat Linux, and Sun Solaris.
• Network trouble shooting using ndd, traceroute, netstat, ifconfig and snoop.
• Involved in Configuring DHCP server and giving IP addressing dynamically.
• Written Shell scripts to run Batch Jobs on Sun Solaris and Red Hat Linux servers.
• Provided system performance reporting on a regular basis along with keeping all software at current version levels, and maintaining a log of changes for tracking.

Environment: RHEL 4.x, Sun Solaris 10/9.0/8.0, DHCP, DNS, LDAP, NFS, NIS and Samba, VERITAS Volume Manager and LVM, vxdg, vxassist, vxmake, vxvol, Kickstart, Jumpstart, JBoss 5.0.

Confidential

UNIX Administrator

Roles and Responsibilities:

• Installed, configured and managed Solaris 8, 9 and 10 on Sun Enterprise systems (Sparc and X86), Administered, maintained Red Hat Linux Release 4 and 5
• Patching Sun Solaris 10 servers with latest patch clusters, breaking mirrors, and re-mirroring.
• Troubleshooting Hardware, Operating System Application & Network problems and performance issues.
• Configured Jumpstart Enterprise Tool kit to provided Jumpstart installations on more than 270 servers and performed upgrades and troubleshooting of servers remotely.
• Configured and Administering Linux Kick Start server using NFS, FTP and HTTP method.
• Support Sun Sparc and HP Blade servers with Solaris and Linux operating systems
• Server Virtualization using Solaris Containers (zones) and VMWare.
• Creating Sun virtualization zones/containers/LDOMS(logical domains )
• Installation, configuration, troubleshooting, start, stop, upgrade and application deployments (e.g. apache, iplanet, SunOne, TSM agent, Tivoli agent) on production and testing servers.
• Created NFS, UNIX admin mount point, and patch installation of all QA servers.
• Installed, Configured and supported Oracle HA resource groups
• Worked on CA NSM tool monitoring for monitoring various applications and networks.
• Installing and configuration and maintenance of VERITAS Netback up 4.5/5.1 and TSM
• Implemented and configured Backup policies and Storage Units.

Environment: Solaris 8, 9 and 10, Sparc and X86, Patching, SUN ZFS, apache, iplanet, SunOne, TSM agent, Tivoli agent, NFS, VERITAS Netback up, TSM, LDOMS, SUN ZFS.