SUMMARY

• 8 years of professional experience on various flavors of UNIX System and Network Administration
• Experience on various OS platforms including Red Hat Linux, Ubuntu, CentOS, Solaris, IBM AIX, HP, and Window2003/2008.
• Installation, configuration and administration of RHEL Servers (HP - UX, Red Hat Linux, Solaris SUSE, and AIX).
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Trouble shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Systems.
• Worked on different migration like (Application, Unix, Data Center Storage)
• Experienced knowledge and solid understanding of DevOps and continuous delivery tools such as Puppet, Chef and Jenkins.
• Experience in using CI tools Jenkins, Chef, Puppet for automated builds
• Experience in creating the company's DevOps strategy in a mix environment of Linux (RHEL, CENTOS, Windows) servers along with creating and implementing a cloud strategy based on Amazon Web Services (AWS).
• Installation and configuration of Oracle RAC 11g on Solaris, AIX and Red Hat cluster nodes.
• Jumpstart/Kickstart installations for Red Hat Linux and Sun Solaris servers.
• Experience in Security Hardening in UNIX, Linux and Windows servers.
• Proficient in shell scripting, Java Scripts for Oracle and Java Applications and XML.
• Experience in updating O/S maintenance and modification levels by applying software patches and fixes (APAR’s and PTF’s) that are downloaded from IBM.
• Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
• Expert in installing software’s packages like NIS, and NFS using Red hat Package Manager (RPM) and configured them efficiently.
• Excellent experience and knowledge with designing installing and implementing VMware ESX server, VMware virtual center, setting up V-Motion, HA, DRS.
• Extensive working knowledge of mainframe Tools like TSO/ISPF, File AID, Xpeditor, Abend AID, Syncsort, NDM, SPUFI, QMF, SSO and FTP.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.).
• Experience in Server build using Jumpstart, flash archive, NIM, Ignite and kick start, Strong working knowledge of scripting and programming PERL and SHELL.
• Proficient DB administration (Oracle, DB2, Sybase and SQL) knowledge for maintaining, pruning, and performing required DB tasks.
• Experience with SQL, trouble shooting the application using the quarries.
• Use the SQL quarries on the Unix servers for up-dating the web-applications
• Experience on building with P-series servers, Knowledge on LPARS, DLPAR.
• Working knowledge on SAN Storage
• Experience in installation and configuration of Web Apache, JBoss, and IPlanet, BEA Webogic, Websphere, LDAP, and mail servers.
• Installation, Configuration and troubleshooting of system security applications like SUDO, SSH, Power Broker and eTrust.
• Experience on working and troubleshooting on the Windows servers
• Installing on windows servers
• Skilled in developing procedures for startup, execution, shutdown, backup, and recovery as required, and assist in determining needs for both hardware and software.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.
• Ability to work independently as well as a team member.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat Enterprise), Suse, Centos, Ubuntu, Sun Solaris, IBM AIX, HPUX, Windows

Web Technologies: Apache, WebLogic, WebSphere, JBoss, IPlanet, API

CI Tools: Puppet, Chef, Jenkins

Tools: Sun Cluster, VERITAS Net backup, VERITAS Storage Foundation Suite, Solaris Volume Manager, send mail, Remedy

Languages: Shell, Perl, C, C++, PL/SQL, HTML, J2EE, JSP

Databases: Oracle 11g/10g/9/8/RAC, Sybase, MYSQL

Networking: TCP/IP, DNS, SSH, DHCP, Cisco Routers / Switches and LAN

PROFESSIONAL EXPERIENCE

Confidential, Jacksonville FL

UNIX Administrator/ Prod & App support

Environment: Windows, SSH DBKM, Remedy Tool, Service Now, DB Insight, automation tools (Puppet, Chef, Jenkins), Log and Data monitoring tools, Performance Monitoring Tools.

Responsibilities:

• Administration of Windows, AIX, RHEL, SUSE, Centos and Solaris which includes building, installation, testing, tuning, upgrading and loading patches, troubleshooting production issues.
• Working with technologies and platforms including Java, Jenkins, Puppet, Chef, Oracle, AWS across the Production Environment
• Installation and configuration of Windows, AIX, Linux, Suse, Centos and Solaris
• Installation of Software patches and OS patching on Linux Flavors, Aix and Solaris
• Installing and managing WebLogic, apache tomcat and jboss
• Develop and implement an automated Linux infrastructure using Puppet, Wrote Puppet models for installing and managing
• Using Ruby/python wrote CookBook’s for Chef and Automations for Puppet
• Installing and troubleshooting of Java, JEE based Applications
• Experience on working with Load Balancer’s
• Installing SSL certification, Configuring SUDOERS and SSHD config files.
• Worked on server hardening, system security, troubleshooting users having issues after password less setup is done.
• Configuring and supporting on NIS and NAS and Solaris LVM’s
• Write Shell Scripting for Different functionalities.
• Day to Day Trouble shooting of the Application issues and Resolve Day-to-Day application issues and security issues.
• Generating the API reports from the UNIX command line
• Licentiate with application owners and business owners for any non-compliance issues in lines with SOX regulations.
• Managing all the application Keys under one place using the DBKM application and its Back end’s.
• Experiences on working with 24k Unix production servers and clearing the compliance issue
• Ensure the security of production systems, that only authorized resources are able to obtain access for a pre-defined period.
• Ensuring stability of the IT Production Environment by implementation and management of Application Production Access Controls.
• Monitoring and managing all production systems and making it Audit Risk non-complaint
• Eliminating the complex, error-prone manual work that is currently required to manage keys and authorizations
• Reducing the risk of unauthorized access from both internal and external actors
• Improving visibility into trust relationships, which determine who or what has privileges on a particular

Confidential, Tampa - FL

UNIX Administrator/ Prod & App support (application lead), SME

Environment: Remedy (Ticket Monitoring Tool), Application Reporting Loos, Log monitoring tool, Performance Monitoring Tools

Responsibilities:

• Day to day deployment and implementation activities for multiple projects on the request basis of dev team.
• Troubleshooting on Backup failures
• Liaison and coordinator between development team, DBA, business analysts, internal stakeholders, vendors and the Production support organization.
• Worked on different migration like (Application, Unix, and Data Center)
• Administered NIS, file system/network security, user accounts and backup/restore schemes.
• Implemented policies, procedures, and technologies that ensured Linux system security through secure system access, monitoring, control, and routine security evaluations.
• Providing pre-production support to our customers to ensure their products are ready for production deployment and implementation
• Experience in Shell scripting to automate system administration jobs as per the system requirement
• Applying the changes after creating a change control and getting the approval according to customer requirements.
• Worked on TIVOLI Storage Manager
• Implemented RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager (VxVM).
• User and Group administration on Backup Server
• Implementation of SSH protocols and SSL Certifications
• Act as a liaison for higher levels of technical support and manage technical escalation
• Manage service call from beginning until the problem is resolved and use Call
• Management tools to update all involved activities accurately
• Managing SAN/NAS/DAS hardware and HBAs.
• Worked on Business continuity and Disaster recovery planning on building and installing the DR servers.
• Monitoring Network and Server System Performance
• Provided high availability storage solutions through VERITAS
• Remote backup and Recovery Tasks, Backup and Restore using ufsdump & ufsrestore
• Monitoring Network and Server System Performance
• Proficient DB administration (Oracle and SQL) knowledge for maintaining, pruning, and performing required DB tasks.
• Worked experience on SQL on the application related issues.
• Installation, configuration and Troubleshooting of SUN Enterprise Server’s Configuring NFS, NIS, AUTOFS Environments
• Daily activities included installing servers from various sources including Jumpstart and Kick start as well as performance monitoring, hardware / software and network troubleshooting.
• Managed and configured the Apache web server, weblogic, i-planet, jboss, FTP server and DNS servers.
• Worked on weblogic, i-planet, jboss, apache, websphere Installation
• Troubleshooting the problems related to Apache, weblogic, jboss, i-planet, and websphere web server.
• Managing cron jobs, batch processing and job scheduling through Autosys.
• Administration and troubleshooting of TCP/IP and application layer protocols including SSH, SMTP, IMAP, LDAP, DNS, and DHCP.
• Designed and maintained scripts in KSH, SH, and BASH for various different automated functions, including monitoring and running system backups.
• Consistently studying on the detailed network traffic analysis using tcpdump, iptraf.
• Worked on the Load Balancer rules and SSO
• Install the full release on the application for every 6 months
• Provided on call support 24x7 production environments on rotation base.
• Cloned installations across multiple systems using Network Installation Management.
• Day-to-Day trouble shooting for the end users on HP and LINUX based applications.
• Responsible for the upgrades of software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Install the Patches required by the user team(Business team) if any functionality issues with the .NET GUI
• Helped to establish standards, policies and procedures for all aspects of UNIX server
• Experience with ESPx monitoring tool and Worked on scheduling the BATCH jobs (ESPx).
• Co-ordination with Vendors for Hardware failures and other Hardware supports

Confidential, Tampa - FL

UNIX admin/ Production support & Application Support

Environment: Domain servers, Sun Fire V 0, v220, v240, Sun Blade 8000 servers, Remedy (Ticket Monitoring Tool)

Responsibilities:

• Major part of support is dedicated to Production Application Environment.
• Analysis, Troubleshooting and Problem Resolution.
• Provided 24X7 support for large number Production, Development and Test systems.
• Involved in Reviews and Meetings & Teleconferences with clients.
• Data Centers support contains 500 + servers.
• Supporting various applications on UNIX environment.
• Managing Task plans and uploading into database
• Software Deployments on request basis for production environment.
• Building Task Plans for all S/W deployments and review with Application teams.
• Worked on weblogic, i-planet, jboss, apache, websphere and MQ certificate Installation.
• Worked On Intel Server.
• Experience working on TIVOLI Storage Manager
• Involved in applying patches and Bundles.
• Experience in installing the application full releases.
• Experience on Business continuity and Disaster recovery planning with building and installing the DR servers
• Backup Monitoring Using Control-M Tool.
• Coordination with offshore team to implement any changes in production Environment.
• Working with H/W vendors to fix all H/W issues and replacement (Vendor Calls Mgt).
• Installation of SSH and configuration of keys bases authentication.
• Install and configure Jump Start servers
• Integrating UNIX Directories and file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Assisting Development team to provide the information and troubleshooting.
• Working with Development team to troubleshoot Web logic issues.
• Troubleshooting the problems related to Apache, weblogic, jboss, i-planet web server.
• Working closely with Vendors on Hardware Problems, software fixes.
• Expertise in use VMware virtual infrastructure.
• Co-coordinating with HP-Unix engineers to resolve high priority issues.
• Setup, maintain and management of user accounts and groups according to the security needs and adding the packages and patches when needed.
• Experience in working and troubleshooting on the Windows servers
• Using Autosys tool most of the backup jobs running on the systems.
• Initiating Backups on daily basis and monitoring the scheduled Jobs backups.
• Clarify Ticket based problem management.