SUMMARY:

• Design, developed and deliver infrastructure environments from development to Production.
• Define, build, Installation, configuration & maintenance of Oracle Fusion Middleware 10g/11g/12c, Jboss Enterprise Application Platform, IBM Websphere, Tomcat, OHS, iPlanet, Apache servers.
• Installed/Configured/administrated RHEL 3/4/5, Solaris 9/10/11, AIX 5.3/6.1 and Windows 2003/ 2008 on multiple hardware platforms like IBM, SUN and HP.
• Performed troubleshooting and or tuned parameters to resolve middleware issues rely in JMS, JDBC configuration and deployed EAR/WAR files.
• Configure and tuning JDBC connections for better performance and testing for multiple application in Cluster environments.
• Analyzing JDBC connection pool max and min number configuration during Load test.
• Firewall configuration for multichannel applications JDBC connection to DB
• Experience in setting up SSO environments. Integrated SSO products such as Netegrity SiteMinder, Sun One LDAP and Oracle OID with existing enterprise applications and middleware applications.
• Installed and configured Web Agents on Web Servers like Apache, Oracle Iplanet and OHS Webserves.
• Hands On experience on working with Linux & UNIX based SiteMinder and Oracle OID LDAP environments
• Wrote a automate scripts for installation and deployments of system environments.
• Analyzes hardware and software for performance and makes recommendations for systems and upgrades.
• Root cause analyzing of problems and provide solutions.
• Assists application developers in diagnosing routine and complex application system problems.
• Tests, evaluates, recommends, installs, maintains, customizes, regression tests, and provides technical support and maintenance for various systems and software products.
• Performs system performance management and assists in capacity planning and system upgrades.
• Assists with training, system and network problems and automating operational procedures.
• Reviews vendor proposals, contracts system hardware and software configurations, and maintenance support agreements for technical accuracy, provides recommendations.
• Performs Local Area Network, Wide Area Network, and data center environment design and support functions including reviewing configurations, performance tuning, and capacity management.
• Monitors and controls the enterprise systems to ensure efficient performance and space utilization.
• Analyzes and resolves complex systems problems including isolation and resolution of hardware and system software problems.
• Performs data base design functions; monitors database performance; ensures the maintenance of the data bases including data base recovery.
• Assists in the design of application systems providing technical advice on alternatives with focus on optimizing available computer resources and performance.
• Provide ongoing support and guidance for managed service clients, designing and implementing new solutions to meet emerging business needs.
• Provides technical assistance for specially assigned projects and other work as required.
• Performs technical project management for various system software products. Plans and coordinates system/software migration testing.

TECHNICAL SKILLS:

Operating System: RHEL 4/5/6, Solaris9/10/11, AIX, Windows Server (2000/2003/2008 )

Networking: LAN/WAN administration, VPN, NAT, SSH, BIND, NIS,Cisco IOS

Programs/Utilities: Firewall, IP - Chains, Iptables, NAT, Winroute, DMZ

Proxy: Squid 2.x, MS Proxy 2.x

Security: TLS1/1.2, SSH, SSL, TCP Wrapers

Protocols: TCP/IP, SNMP, NFS, SMB, LDAP, DHCP, SSH, FTP

Routing Protocols: RIP & RIP V2, IGRP, EGIRP, OSPF, BGP, PPP

Database: Oracle 10g and 11g, RAC, SQL Server, DB2

Scripting/Languages: Korn Shell, Bash, C and C++

Storage and backup: Tivoli Storage Manager, Veritas Net Backup, Netapp( SAN, NAS)

Virtualization: VMware, vSphere ESX 4.0, Snapshots and cloning, Xen Kernel

Web/App Servers: Apache, Tomcat, JBoss,Web logic & IBM Websphere

Hardware: HP ProLiant Blade servers, IBM x Series, Blade Servers, Sun Servers

Monitoring: OEM, Big Brother, wily Introscope

WORK EXPERIENCE:

Confidential, Irvine, CA

System Analyst - Middleware Administrator

Responsibilities:

• Built & configuration multiple environments of Oracle Fusion Middleware 11g/12c on Solaris11/11, Websphere 8.x.x on Solaris10/11, RHEL 5/6 Amazon EC2 with Apache, iPlanet and OHS as web servers.
• Responsible for maintaining JAVA J2EE applications mostly running on Oracle weblogic11g/12c, Websphere8.x.x, JBoss-Enterprise Application Platform and Tomcat.
• Configure and tuning JDBC connections for better performance and testing for multiple application in Cluster environments.
• Analyzing JDBC connection pool max and min number configuration during Load test.
• Firewall configuration for multichannel applications JDBC connection to DB.
• Setting up SSO environments. Integrated SSO products such as Netegrity SiteMinder with existing enterprise applications and middleware applications
• Performance to optimize roles, tasks and identity policies on CA Identity Manager
• Configuration files such as webagent.conf, smhost, conf and sm.registry on SiteMinder.
• Configured CA Identity manager for user management and application access according to role based entitlements.
• Installed, Configured and Managed Netegrity SiteMinder to secure web applications.
• Analyzes hardware and software for performance and makes recommendations for systems and upgrades. Interface with business and application support staff to serve as SME with regard to infrastructure and middleware solutions when collaborating with external vendors or service providers.
• Root cause analyzing of problems and provide solutions, Serve as primary interface with operations to managed services for verizonwireless.com, point of sale for Verizon stores nationwide
• Tests, evaluates, recommends, installs, maintains, customizes, regression tests, and provides technical support and maintenance for various systems and software products.
• Configures and implements system software and definitions.
• Performs system performance management and assists in capacity planning and system upgrades.
• Assists with training, system and network problems, and automating operational procedures.
• Assists application developers in diagnosing routine and complex application system problems.
• Collects indexes and harnesses the machine-generated big data coming from the websites, applications, servers, networks, sensors and mobile devices that power business. Monitor, search, analyze, visualize on massive streams of real-time and historical machine data.
• Reviews vendor proposals, contracts system hardware and software configurations, and maintenance support agreements for technical accuracy, provides recommendations.
• Performs Local Area Network, Wide Area Network, and data center environment design and support functions including reviewing configurations, performance tuning, and capacity management.
• Monitors and controls the enterprise systems to ensure efficient performance and space utilization.
• Analyzes and resolves complex systems problems including isolation and resolution of hardware and system software problems.
• Performs data base design functions, monitors database performance, ensures the maintenance of the data bases including data base recovery.
• Assists in the design of application systems providing technical advice on alternatives with focus on optimizing available computer resources and performance.
• Provides technical assistance for specially assigned projects and other work as required.
• Performs technical project management for various system software products. Plans and coordinates system/software migration testing.
• Assists PM during infrastructure project build and implementation. Create Project time line, resources distribution task lists, Project budget.

Environment: Oracle WebLogic 11g/12c, WebSphere 8.x.x, JBoss, Tomcat Solaris10/11,Red Hat Linux 5/6, Oracle RAC Servers, Apache, iPlanet and OHS webservers, Windows Server 2008, WLST, Shell Script, Amzon Cloud. Wily interscop.

Confidential, Atlanta, GA

System Engineer

Responsibilities:

• Built & configuration multiple environments of Oracle Fusion Middleware 11g on RHEL 5 with Apache as web server.
• Responsible for maintaining JAVA J2EE applications mostly running on Oracle weblogic11g, JBoss-Enterprise Application Platform 4.3 and 5.1.2
• Install & Configured RHEL 5.x on both Physical IBM blade and ESX host as VM.
• Configured/managed/administered domains, admin and managed servers in WLS/OSB
• Involved in upgrading the Oracle Fusion Middleware Products to the latest version.
• Responsible for maintaining and supporting Apache web servers directing traffic to the middleware application servers including Tomcat, Jboss and weblogic.
• Deployed /Configured J2EE applications in Production environment and also provided the support as needed.
• Performed troubleshooting and or tuned parameters to resolve middleware issues rely in JMS, JDBC configuration and deployed EAR/WAR files.
• Experienced in resolving the OS CPU/memory/Disk space usage, JVM usage and application related issues by coordinating with teams internally.
• Involved in applying patches for WLS, RHEL and Apache web servers.
• Performed quarterly kernel, firmware updates and Linux OS patching as per PCI compliance.
• Decommissioned Server, unmount file systems and destroy disk groups, removed from LUN masking database, removed from zone set DNS, removed data IPs, removed backup IPs, removed profile from OSS, EM, CM,IP/NETWORK, PEG cluster
• Experienced working with Monitoring Tools such as OEM & Big Brother
• Experienced in Incident/change management within the Trillium Help Desk.
• Closely worked with project/build/Ops/application teams to stable the environment.
• Coordinated/scheduled the possible deployments with Dev and operational teams.
• Worked with Oracle to resolve the outstanding issues in the existing production environments.

Environment: Oracle WebLogic 11g, Red Hat Linux 5.x, Oracle Fusion Middleware 11g, OEM, OID, OIM, OSB, Oracle RAC Servers, Jboss, Netapp SAN, NFS, JRockit JDK, Apache webserver, JDBC, Trillium Ticketing System, Windows Server 2003/2008, IBM BladeServers, WLST, Shell Script, Big Brother, VMWare 3.x

Confidential

• Involved in installation and configuration operating system RHEL 4.x & 5.x in in physical servers and Virtual Machines.
• Worked in adding new Users and groups and give sudo access in test and development servers
• Performed system admin tasks such as installing, configuring, monitoring and performance tuning, content management and user management.
• Deployed various WAR/ JAR/ EAR applications in J2EE app servers.
• Performed activities such as Change Management, Content management, User Management and Deployment (of application packages, patches, etc).
• Involved in shell scripting for system/application in automating server task, installing and monitoring applications and data feeding file transfer and log files.
• Write technical documentation and support running production environment

Environment: J2EE, JDBC, JMS, SNMP, WebLogic server 9.2, RHEL 4/5, Ubantu openSUSE