SUMMARY:

Over 10+ years of professional experience as Unix/Jboss/Websphere/Weblogic Administrator and 5 plus years of experience on AWS Cloud & Devops Engineer, HP - UNIX Certified System Administrator & Microsoft Certified Systems Engineer, having experience in Server Management, Security and Programming/Scripting.

TECHNICAL SKILLS:

Operating Systems: Linux 5.x/6.x, IBM AIX 4.x/5.x, Windows 2008/2012, Novell Netware 3.12, SUN Solaris 9/10

Hardware: SUN Enterprise servers E6500, E4500, E3450, E250, IBM RS6000 SP, HP 9000, HP Superdome, IBM Netfinity servers, d100 disk array, SUN Fire, Compaq, Modi Olivetti & Dell.

Networking: TCP/IP, PX/SPX, Audio/VideoStreaming, Sendmail/Postfix (SMTP), QMAIL, DNS, ADS, NIS, NIS+, LDAP, NFS, DHCP, NTP, NAT, POP, IMAP, SNMP, KickStart, JumpStart, Custom Jumpstart, Humming Bird

Admin Tools: VMware/vSphere 4.x/5.x, Veritas Volume Manager, Veritas Cluster Server, Sun Management, HP OpenView Storage Manager, Clear Case, Legato Net backup, Admintool, CDE, SAM, SMIT

Cloud Providers: EC2, RDS, ELB, S3, VPC, IAM, CloudWatch

Programming Language & Scripting: UNIX Shell Scripting (Korn Shell/Bash Sell), C, C++, Python, Perl, GWBASIC, COBOL, Java, XML, HTML, DHTML.

DataBase: MySQl 2.23, Microsoft Access, Dbase, FoxPro, Oracle 7.3/8i/9i/10.

PROFESSIONAL EXPERIENCE:

Confidential, Herndon, VA

Sr. Environment / DevOps Admin

Responsibilities:

• Install, configure and administered Websphere 8.x, Jboss 5.x and Jboss SOA 4.x/5.x Servers on Linux and AIX advanced Server Environments.
• Responsibilities include designed, configured and migrate Application’s (Java & .net), Layer 7 Security and database (Oracle and Marklogic) servers from Terremark to AWS stack (Including EC2, R53, S3, RDS, DynamoDB, IAM, and EMR).
• Designed and configured AWS Identity and Access Management ( IAM ) Groups and Users for improved login authentication.
• Designed and configured Elastic Load Balancer in AWS for high availability.
• Created and monitored alarms, notifications for EC2 instances using Amazon Cloud Watch.
• Fully Automating infrastructure for AWS using Python scripting and AWS SDK boto, AWSCLI
• Responsibilities include Designed and Migrate Auto-Deployment script from Shell scripts to Python script for auto deployment process using Jenkins.
• Installed, configured and administered OSB11gR1, OSB 10G R3, Marklogic database servers in various environments.
• Enterprise level capacity planning and management, adding new infrastructure including add-on hosts, storage, and network to support capacity demand for various business needs.
• Managing Amazon instances by taking AMIs and performing administration and monitoring of Amazon instances using Amazon Cloud Watch.
• Installed and configured SunONE, Apache Webservers on UNIX.
• Installed and configured Apache Tomcat 6.x/7.x server in various environments.
• Implemented Verizon Terremark cloud infrastructure for Dev, Test, IMPL and Production environments.
• Configured and maintained Apache Load Balancer all environment s.
• Performed Upgradation of JBoss EAP/SOA 4.x to 5.x.
• Deployed Script to deploy WAR, JAR and EAR applications in Tomcat, Jboss and Jboss SOA servers using Jenkins
• Configured GlusterFS and NFS file system for all environments.
• Implemented SSL Certificates on Jboss and Apache servers.
• Configured and maintained Terracotta servers for Ehcache.
• Developed Startup, Shutdown scripts to bounce the Jboss and Tomcat servers.
• Developed Crontab and Tidal jobs for timely running jobs..
• Configured and administered JDBC, JMS and JNDI in WebLogic and Jboss Servers.
• Implemented Puppet modules to automate configuration of a broad range of services.
• Configured Puppet Server for monitoring and installing Puppet Agents in multiple servers.
• Configured and Maintained F5 BIGIP LTM’s(Load balancer) and GTM’s (DR and External DNS), developing iRules for F5.
• Configured and administered Clustering of EJB objects, JDBC connections and JMS connection factories.
• Setting up the cluster(session replication) environment for Jboss SOA Server integrated with multiple workflows.
• Monitored application performance, JVM and Database using AppDynamics and NewRelic
• Applying the patches to the Linux and AIX servers..
• Resolving BMC Service Desk Tickets for Production and Non Production Issues.
• Performed 24/7 on call production support.
• Administered and configured Data Power XI50 of WS-proxies, XML firewall etc.

Confidential, Miami, FL

Sr. Middletier / DevOps Admin

Responsibilities:

• Install, configure and administered BEA WebLogic, Jboss Servers on Linux, AIX and Windows advanced Server Environments.
• Installed, configured and administered OSB11gR1, OSB 10G R3, AquaLogic Service Bus 2.5, WebLogic Integration 8.1/9.2, Weblogic Portal Server 8.1 in various environments
• Installed and configured SunONE, Apache Webservers on UNIX.
• Installed and configured Apache Tomcat 6.x/7.x, Jboss 5.3/6.x server in various environments.
• Designed and Implemented AWS infrastructure for Dev and test environments.
• Designed configured AWS Virtual Private Cloud ( VPC ) for Dev and test environments.
• Design roles and groups using AWS Identity and Access Management (IAM)
• Migrated Dev and test environments to AWS from VMware.
• Installed, configured and administered ALSR, ALER and AL-BPM BEA/Oracle products
• Performed Upgradation of weblogic 7.1/8.1 to 9.x/10.0.
• Performed Upgradation of JBoss EAP/SOA 4.3 to 5.2.
• Deployed the WAR, JAR and EAR applications in Tomcat, Jboss and WebLogic servers.
• Implemented SSL Certificates on WebLogic and Apache servers.
• Developed ANTbuild scripts, Python scripts for auto deployment process.
• Developed Startup, Shutdown scripts to bounce the WebLogic, Jboss and Tomcat server.
• Developed Crontab and Tidal jobs for timely running jobs and provide server status.
• Configured and administered JDBC, JMS and JNDI in WebLogic and Jboss Servers.
• Design, develop and implement an automated Linux infrastructure and centralized configuration using Puppet
• Design, develop and implement the Nagios. Nodes automatically added/removed themselves via Puppet.
• Deployed the applications on multiple WebLogic Server instances and maintained Load balancing, High availability and Fail over for the servers.
• Configured and administered Clustering of EJB objects, JDBC connections and JMS connection factories.
• Used config wizard and config builder extensively to create and manage WebLogic domains.
• Setting up the cluster environment for WebLogic Server integrated with multiple workflows.
• Configured and administered Connection pools, multi connection pools and Data Source for JDBC connections.
• Monitored JVM and Database using Wily Introscope.
• Applying the patches to the WebLogic servers.
• Resolving BMC Service Desk Tickets for Production and Non Production Issues
• Troubleshoot emerging application issues from WebLogic configuration to code issues.
• Develop ANTbuild scripts, Python scripts for auto deployment process.
• Performed 24/7 on call production support.
• Involved in creating several objects on IBM DataPower XS40, XI50 like WS-Proxy, XML Proxies & Multi Gateway protocol .
• Administered and configured Data Power XI50 of WS-proxies, XML firewall etc.

Environment: Redhat Linux 5.x and 6.x, AIX servers, VMware, AWS, WebLogic 8.1/9.x/10.x, JBoss EAP/SOA 5.x/6.x, DataPower XI50/XS40, F5, Wily Introscope, Nagios, Splunk, GrayLog, Oracle 11g, Apache 1.x/2.x, Apache Tomcat 6/7, Microsoft IIS 6/7, Windows 2008/2012

Confidential, Herndon, VA

Websphere / Unix Admin

Responsibilities:

• Deployment, troubleshooting and Monitoring enterprise applications on Websphere 5.x/6.x, Iplanet on AIX, Sun Solaris environment
• Involved in installing and configuring the IBM WebSphere Application Server. Iplanet, Autosys.
• Provided Production Support on (24x7) round robin basis
• Involved in troubleshooting production issues, and documenting the solutions
• Involved in writing backend extensive stored procedures & test queries for regression testing the database
• Written UNIX shell scripts for automating deployment process on UNIX Box
• Involved in complete infrastructure setup and configuration which included WebSphere ND 5.1, WebSphere MQ 5.1 and SiteMinder 6.0
• Configured Virtual Hosts, Web Applications, Web Resources and JDBC drivers
• Played an active role in maintaining the application. Involved in various enhancements modules of the application
• Configured Clusters and Instances for improved availability and failover capability
• Responsible for deploying enterprise applications from Admin console and enabling security for admin console and application components
• Created and managed data source and database connection pools
• Created IBM Problem Management Records (PMR) to report WebSphere Application Server problems. Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture Tool and Collector Tool
• Extensively used the Thread Analyzer to detect and analyze application problems
• Interpreted with log files to locate and solve application server problems
• Deploy J2EE applications onto WebSphere managed servers for QA, Pre-Production and Production environments
• Enforcing Application wide Authentication and Authorization Services
• Implementation and administration of Ab-Initio graphs using Autosys
• Monitoring the status of automated scheduled job and involved in Scheduling job calendars
• Having hands on experience writing UNIX Shell Scripts, Schedule jobs using Autosys tool. Scheduling and administering the jobs using Autosys work scheduler
• Involved in monitoring and resolving the Remedy Tickets.

Environment: IBM WebSphere 5.1, DB2, iPlanet Web Server v6.0sp2/sp3/sp/4, iPlanet Direcotry Server V5.0, Remedy, Sun Solaris 2.8, Load Runner, Vignette V5.1, Win 2000

Confidential, Atlanta, GA

UNIX / Weblogic Admin

Responsibilities:

• Providing 24x7 supports (including Confidential Checks) to Production environments.
• Installed and Configured IBM WebSphere Application Server 5.0 on Solaris environment
• Integrating enterprise-wide J2EE applications and deploying using IBM WebSphere Application Server 5.0, Application Assembly Tool (AAT) and managing security policies for different applications
• Involved in creating and managing the cells using Network Deployment Manager
• Managed Connection Pooling and registering web applications (Servlets, JSP) on WebSphere
• Written shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration using XML configuration tool
• Involved in designing WebSphere Application Server load balancing and fail over by using Workload Management horizontal and vertical scaling
• Involved in configuration of WebSphere Application Server resources like JDBC Data Sources, JDBC Providers and Connection Pooling to connect to the DB2
• Involved in configuration of Web Server interfaces, session management, virtual hosts and transports for WebSphere Application Servers
• Problem determination using local error logs and by running user traces and service traces
• Web Server / Proxy Server Setup, Installation, Administration & Monitoring (WebSphere Server 5.x, iPlanet, Apache, Apache SSL, Jrun, etc.) on Sun fire V240s, Sun 440Rs/3500 Boxes
• Deployment, troubleshooting and Monitoring enterprise applications on BEA WebSphere Application Server 5.x, Iplanet Web Server in AIX, Sun Solaris environment.
• Building IBM P630/P5 590, Sun Servers V240s/440/3500, HP DL380c Installation & Configuration O.S for Application Servers
• Installation and configured SSL certificates in the WebSphere Server. (We used Private SSL Certificates for some applications and Default Certificates for some applications).
• Setup and creating cluster environment for WebSphere Server.
• Installation, Configuring and integration the Ldap server
• Performance tuning in Applications, Kernel, JMS, Database (pools)
• Installing Patches and Kernel updating
• Working closely with development teams to establish repeatable, structured procedures for creating and managing new WebLogic environments (e.g. hostnames, port numbers, and configurations) and manage the integration of WebSphere with backend databases.
• Configure and administer WebSphere JDBC connections pools and Data Sources with Oracle 9.i database.
• Deployed various WAR, EAR and JAR applications in Domains and Clustered environments.
• Deployed Various J2EE applications on to the clusters and Application servers and supported accordingly.
• Configuring Execute Threads, Connection Pools and JMS Bridges etc. for different components of the system.
• Configured JMS Connection Pools, QUEUE, Topics, JDBC resources, datasoruces and bounded to the J2EE applications, configured the connection pools for the various data sources.
• Taking Thread dumps, pstack and prstat and analyzing to find the problems in application.
• Monitor and tune JVM heap size, garbage collections, Java stack and Native thread .results and production performance.
• Using Samurai to diagnose and resolve performance bottlenecks, memory leaks, excessive garbage collection, threading issues and other java coding problems.

Environment: AIX 5.x, SUN Solaris 2.8/.10, HP-UX 11.x on Superdome, Windows 2003, Weblogic Application Server 8.1, Iplanet 6.0,LDAP, Java,J2EE,JSP, Servlets, EJB, XML, HTML,JDBC, JavaScript, ORACLE, DB2,Oracle 9i/9iRAC, Korn Shell scripting.

Confidential

System Administrator

Responsibilities:

• Administered a network consisting of 120 nodes under HP-UX environment consisting of HP-UX 9.x servers. Upgraded HP 9000 servers from HP-UX 9.x to 10.10.
• Installing and configuration of oracle Server 8.01.3 and its Clients and integration with nodes and Domain Server & WebLogic 6.5.
• Installing and Maintenance Samba server on Linux 8.x / 9.x
• Installing and Maintenance of Apache and IIS Web Server.
• Providing support onsite and remotely (remote desktop tools) for Desktop Systems and Laptops.
• Work involved fine tuning the kernel on occasions, mirroring file systems for fault tolerance, extending root as well as other file systems according to increase in data volume,
• User accounts management, developing korn shell scripts for various system performances monitoring purposes and troubleshooting.
• Team member in administering a network consisting of 45 nodes on HP 9000 platform.
• Constructed 2 new servers which included installing hp-ux 9.04/05 Operating system on the HP 9000 series 700 & 800 machines,
• Adding disks to the volume group, creating logical volumes and file systems,
• Installing required software and patches, setting up kernel parameters to suit the applications,
• Creating user accounts, user Roles, and assigning IP addresses to the machines.
• Participate in configuration of tools such as Network Node Manager, Preview and Operations Center to monitor network activity.
• Administered a network consisting of 8 Sun Solaris 2.5/2.6 servers.
• Work involved construction of new severs, configuration and maintenance of DNS and NFS servers and Instillation OS and Applications in clients with Jumpstart/Kickstart & VMC Remote Admin and PUUTY.
• Hardware installations such as new disks and tape drives, software and patches installation, developing shell scripts for monitoring system resources,
• Data backup and various other operations, troubleshooting and providing user assistance
• Have performed Solaris and hp Operating Systems installations and upgrades.
• Have performed hardware installations and upgrades for disks, DATs, DLTs.
• Sound experience in setting up naming services such as DNS, BIND.
• Have done extensive Korn shell and Perl programming.
• Have done kernel fine-tuning on a number of occasions.
• Cell server backup, restoration, monitoring, installation and configuration.
• Monitoring StorageTek disk array with Navisphere software.
• System performance management using HP-Glance Plus and Preview.
• Installation of HP-UX 11.0 platform and patches on production server.
• Recovery management on tapes using Ignite-U X.
• Installation and Administration of Servers HP-Unix, Solaris, AIX, Linux, Windows NT/2000/2003
• Installation and Administration of Proxy Servers, Apache Proxy, FTP, IIS, iPlanet, Lotus Domino, Samba, SSL, Apache web Server, Web logic application servers.
• Installation and Administration of Mail Servers, Send mail, Exchange Sever 5.5/2000/ 2003 , NIS, NIS+, DNS, NFS, RSH, SSH, SMTP, POP3/IMAP4, VitalQIP, Web, Proxy on various platform.
• Maintenance of Cisco Routers, IP Phone, VoIP, CAC, Gateways
• Installation and Maintenance of Apache, Tomcat, WebShere, WebLogic
• Experience in RAID configuration, Volume Management, Veritas Volume Manager, Veritas Netbackup, Disk Array, and Storage Arrays.
• Installation and Administration of Veritas Volume Manager, Veritas File System, and Disksuite for Disk management, Veritas Net Backup.
• Installation and basic Administration of IIS Server, WebLogic, WebSphere
• Installation & configuration of various Medical Transcription related devices, foot paddles and multimedia.
• Maintain security arrangements for users sharing properties and disk Management.
• Installation and configuration of different types of modems, printers and Add on cards.
• Installation and configuration of Oracle Server 8.0.1.3 and its Clients and integration with nodes and Domain Server.
• Configuring ISDN and Proxy Servers.
• Installation and configuration of ISDN modems and Routers and all other Internet Enabled Services.
• Configuring various Dial-up connectivity.
• Programming skills on threading and multi threading
• Working Knowledge with VPN, PPP, Dial-up, Terminal Server, RAS networks.
• Maintain and updating of Server with 100-500 Clients connected through Co-axial thin Ethernet Cabling, Cat 5, 6, Fiber Optic Cabling.
• Migration of Novell Netware based LAN to Windows NT.
• Installation of Novell Netware 3.x.
• Creating, managing and Automating user accounts and environment.
• Taking automated backup, daily, incremental, weekly, differential and monthly.
• Connecting Internet on Standalone systems and in network environment.
• Printer and SCSI tape drive connected to Server and Maintenance.
• Installation and maintenance of Structured cabling.
• Chip level testing of hardware components.
• Good exposure to Sun hardware and Storage devices like NAS, SAN (EMC Clariion CX 300, 500 & HP MSA 1000 Storage Area Networks).
• Provided Helpdesk support on desktop, laptop, workstations running Windows NT4.0/2000, Linux, Solaris for 500+ users.
• Troubleshooting, Servicing and maintenance of various types of Computer related peripherals.