Prashanth Dollu Phone: 251-***-**** Middleware/Maximo Engineer Email ID: aczxgi@r.postjobfree.com

IT professional with 9 years of middleware experience in engineering SaaS applications and complex IT infrastructures (private/publicly to cloud hosted) . Worked on Websphere suite of products, Tomcat, JBoss, IHS, Apache, Maximo, OS(RHEL,AIX, Solaris, Windows). Interested in leveraging my skills for the Infrastructure Engineer role by utilizing my technical and business assessment abilities to devise and design enterprise solutions.

Summary of Experience

Worked on a Software-as-a-Service application called MAXIMO (Asset management,CMDB,TSRM) and multiple internal applications for IBM's Global Technology Services division.

Built,tested and delivered the underlying infrastructure and deployed applications after gathering requirements from the customers and various stakeholders including DPE(s),SDM(s), account focals.

Utilized various middleware and database products- Websphere/tcServer/Tomcat,/MQ, DB2/SQL, TDS/ADAM

Worked in tandem with designers,architects,testers,developers,team leads over the period.

Provided Tier3 technical infrastructure support services for issues pertaining to the SaaS application, middleware, OS, database, SMTP/Proxy servers, load balancers reported by the end users and other Technical Services groups.

Ensured reliable operation of production application(s) by monitoring,performance tuning,diagnosing and troubleshooting any or all interruptions and issues.

Worked on the migrations,upgrades,vulnerability patches via fix packs, fixes.

Provided mentoring and guidance to junior developers,engineers and new team members spread across global geographies.

Worked on ensuring that the applications and its infrastructure is compliant with the latest federal and organizational security,compliance policies through the execution of periodic Health checks, and implementing remediations via scripts.

Documented the plans for projects, installations,backup procedures along with the tips for troubleshooting various scenarios,and technical topoligical diagrams of the infrastructure.

Utlized Change Management features to upgrade,improve the environment as per the requests of the stakeholders.

Worked on Incident, Service, Problem management tto resolve any or all of the issues reported,identified.

Learnt new technologies to further enhance my skills like Databases(Oracle,Db2), SAN, LDAP, Network, OS(Linux, Aix, Solaris, Windows), Configuration Management (Puppet, Chef, Ansbile), Continuous Integration(Jenkins), Hadoop, Big Data.

Was able to complete a couple of internal projects on my own as a key implementer and project guide.

Educational Qualifications

Bachelor of Technology in Electronics and Communication, JNTU, Hyderabad.

Master of Science, M.S., in Electrical Engineering, University of South Alabama,Alabama.

Certifications

IBM Certified System Administrator in Websphere Application Server Network Deployment V 6.1

Hadoop Fundamentals, Big Data University

Big Data fundamentals, Big Data University

Skillset

Middleware

Websphere Application Server 6.x/7.0/8.x, Weblogic,Tomcat, tcServer, MQ

Web Servers

IBM HTTP server, Apache, IIS

Operating Systems

AIX,RHEL, Solaris, Windows; CentOS,Ubuntu

Languages

C, Java, Python,Perl,Jython,wsadmin

Relational Databases

Db2,Oracle, SQL Server,PostgreSQL

Automation

Puppet, Chef,Ansible; Jenkins,JIRA; Docker,

Network monitoring tools

TCP Dump, Wireshark

Java/Web Technologies

Javascript, JSP, Servlets, EJB, MBean, JDBC/ODBC, JNDI, RMI, JMS,HTML, CSS,

Monitoring/Logging Tools

Tivoli Performance Viewer, Heap/Thread Analyzers, Wily Introscope, CA Siteminder, PMI, ISA,ITCAM, Dynatrace; Nagios, Splunk, Log Analyzers; LDAP Query tools

Network Protocols

TCP/IP, HTTP/HTTPS, SSH, Telnet, FTP, RMI/IIOP, DNS, DHCP, SMTP, SNMP,sendmail

Cloud Technologies

AWS, Openstack, BlueMix, Softlayer, Maximo

Professional Summary

Client: IBM, Poughkeepsie, NY Jun ’10 – May '17

Middleware Engineer/Administrator

Technologies used:

Websphere Application Server ND 6.0/6.1/7.0/8.5.5, Tomcat(6/7/8), Jboss 8/9/10, IBM Http Server 6.0/6.1/7.0/8.5.5, Tivoli Maximo 6.0/6.1/6.2/, IBM SCCD/ICD 7.5.x/7.6, QS 6.0/6.1/6.2, TDS 5.1/6.0/6.1/6.2/6.3, Chef, Puppet, Docker, AWS, Openstack, Softlayer, BlueMix,Microsoft ADAM, Apache Web Server(2.1/2.2), SMTP Servers, Proxy Servers, Load Balancers, IBM AIX 5.3,6.1/6.3, Websphere MQ,Red Hat Linux, Windows 2000, Weblogic,IBM DB2 v9.5/9.7/10.1, Java, EJB, XML, JDBC, PERL,Shell, Python, HTML, WSADMIN, Jython scripts, SSH, Putty, FTP,SFTP, TPV, PMI, ISA, Wily introscope, TPV, PMI, DynaTrace, AppDynamics, Siteminder, ITCAM

Project 1

Role : Infrastructure/Middleware engineer

Responsibility : IT and Design Solutions, Systems Analysis and Engineering

Duration : Feb '16 - Till date

Infrastructure : Public cloud and shared infrastructure

Team : Cross services team

Technologies : Websphere 7.0/8.5.5, IHS 7.0/8.5.5, Apache 2.4,Tomcat 8.5, MQ 8.5, TDS 6.3, Maximo 7.5/7.6(SCCD/ICD), TDS

6.3, BIRT,SMTP,CA Siteminder, Wily Introscope, AppDynamics, DB2 10, Openstack, Softlayer

Responsibilities:

As a middlware engineer, the goal was to build, test, release, deploy, troubleshoot and provide operational support to accounts/customers over cloud and shared infrastructures.

End to end setup of projects from gathering the requirements to the deployment and delivery to operations and support by building environments as per the specifications gathered on private,public and cloud hosted infrastructures.

Provide operational support for customers accessing the SaaS application(MAXIMO) from a diverse background of industries, like finance, banking, industrial, automotive etc with various versions of Websphere,Tomcat, tcServer, Apache,IHS, TDS, Database,Linux,AIX.

Worked closely with Designers, Architects and Tivoli PMR focals to remediate any/all critical issues in Websphere and Maximo like REST API embedded in the application, Vulnerabilities like Heartbleed,POODLE.

Frequently discussed the requirements or requests raised by accounts SDMs, AVMs and DPEs

Migrated Websphere from 7.0 to 8.5.5, deployed Tivoli Service Request Manager/TSRM, upgraded Maximo from 6.x to 7.1/7.2 and from SCCD 7.5 to ICD7.6; and QS 6.1 to QS 6.3; Tomcat from version 6 to 7 and 8; tc Server from 2.9.10 to 2.9.11 and 3.1.0 to 3.1.1)

Key focal for implementing upgrades and patches for middleware,webservers, ldap servers along with databases (fixpacks,iFixes,HotFixes,LaFixes)

Configured SSL(GLobal security,ssl certificates) for the new Websphere environments and debugged any SSL related issues with webserver(s),middleware and LDAP servers

Worked and installed/deployed various components like LDAP(TDS,ADAM), Databases, Servers, Global security,Scaalability,High availability, Disaster recovery,along with JDBC,JNDI,Connection Pools, Data Sources,EJB, JMS,Queues

Built custom monitoring scripts along with vendor based tools for monitoring(Wily Introsocope, Dynatrace,AppDynamics, ISA,TPV),SSO (CA Siteminder) and analyzing logs(Heap,Thread,Log) to monitor the application for performance bottlenecks, CPU utilization and debug and provide resolutions.

Raise requests to the networking team to open up ports for firewalls, load balancer, middleware/ldap servers.

Project 2

Role : IT Specialist

Responsibility : Systems Engineering, Small team management, Project Guidance

Duration : April '16 -Till date

Infrastructure : Private cloud

Team : Integration services

Technologies : Tomcat 8.5, JBoss10, Apache 2.4, Active MQ, TDS 6.3, AIX, Linux, Apache (Proxy), SMTP,BIRT, Siteminder, Wily Introscope, Dynatrace, MySQL, Docker, Chef, Puppet, AWS, Softlayer, Bluemix, Openstack

Responsibilities:

Primary goal was to migrate existing SaaS application (MAXIMO) to cloud from shared infrastructure .

Utilized Openstack implementation for the migration from Softlayer.

Lead or coordinate a group of cross-functional engineers in delivering a project or platform through its lifecycle to production deployment.

As a L3 Operations and support specialist, my day-to-day work involved ensuring the continuous availability of the enterprise applications by providing operational support for the cloud infrastructure.

Enabled automation with the usage of configuration management tools like Chef, Puppet.

Docker services were used for containerization over the cloud infrastructure to leverage costs and efficiency.

Worked on monitoring, troubleshooting, performance optimization/tuning, orchestration, identifying bottlenecks, debugging issues

Implemented multiple upgrades,migrations of Tomcat, Apache, and application migrations

Performed DBA administrative tasks and worked on dataloads, load balancers, Proxy and SMTP servers, and have working knowledge of SAN, TSM, Network architecture and integrations.

Worked in tandem with senior developer, architect and designer teams to remediate any issue

Installed, configured and maintained all platforms and web services.

Coordinated with technical staff for integration and resolution of web issues.

Analyzed and resolved e-commerce and engineering problems.

Conducted performance testing of Apache and Tomcat management services.

Evaluated services levels of system performance on regular basis.

Created shell scripts for deployment,backup of servers,applications changes and custom monitoring tools.

Jboss was migrated to version 10 from version 9.

By utilizing configuration and container tools like Puppet/Chef and Docker, was able to substantially reduce the installation and configuration of software products and the applications along with any or all of the fixes, patches and virtual instances.

Mentored new and junior team members and provided technical guidance.

Created custom builds, performed content/build installation.

Worked on workflows,database configuration, configuration items, application designer items.

Project 3

Role : Web and Application Services Analyst

Responsibility : Analysis, Build, Mentoring, Project Implementer

Duration : Dec '13 – Feb '16

Infrastructure : Cloud and Shared infrastructure

Team : IPC Application and Web Services

Technologies : Websphere 6.1/7.0, IHS 6.1/7.0, Maximo(SCCD) 7.1/7.2/7.5, QS 6.0/6.1, Tomcat 8/8.5, Jboss 8/9, Apache 2.4,

MQ 8.5, DB2 8/9, TDS 6.1/6.2/6.3, AIX, Linux, Windows,Apache(Proxy), SMTP, BIRT, Wily Introscope, Siteminder, Dynatrace,Chef,Puppet,Docker, Softlayer, Bluemix

Responsibilities:

Was a primary liasion and implementer for a few core internal projects like IIRT(internal ID provisioning tool) and BIRT(reporting tool for maximo).Migrated Websphere from 6.1 to 7.0,, IBM Smartcloud Control Desk 7.5.x and upgraded Maximo from 7.1 to 7.2 and from 7.2 to SCCD 7.5; QS 6.0 to 6.1 to 6.2

Primary focal to configure and install IIRT, a proprietary IBM tool,that automated the request, approval and provisioning of user ID requests for both IBMers and customers' end users- new user ID for application/system/Websphere, requesting privilege access to an existing ID

Was responsible for configuring Websphere and proxy servers to deploy BIRT application, used to provide report functionality to users based on their role/privileges, from within ISM tool.

Built multiple environments for various clients (financial,retail,oil) and installing,deploying the applications

By utilizing configuration and container tools like Puppet/Chef and Docker, was able to substantially reduce the installation and configuration of software products and the applications along with any or all of the fixes, patches and virtual instances.

Evaluated services levels of system performance on regular basis.

Conducted performance, load stress tests and upgraded, improved the environment accordingly.

Utilized Tomcat and Apache servers over cloud and shared infrastructures to offsent internal,enterprise applications

Performed dataloads,as per customers' requests and automated most of those using the batch jobs and scripts

Implementation of Jboss migration from v8 to v9.

Worked on the upgrades, and migrations of database, TDS,Websphere products.

Worked on out of the box and custom BIRT reports.

Project 4

Role : Websphere/DB/Application administrator

Responsibility : Build,Upgrades, Operations, Migrations

Duration : Aug '11 – Nov '13

Infrastructure : Private, Public cloud

Team : Web and application support team

Technologies : Websphere 6.0/6.1, Maximo 6.0/7.1, IHS 6.0/6.1, QS 6.0,ADAM, DB2 7.0/8.0, TDS 5.1/5.2/6.1, AIX, Windows,Wily introscope, TPV, PMI,

Responsibilities:

Serviced various financial,oil and banking clients

Primary focal for shared infrastructure teams for Maximo application(SaaS) - multiple clients on a single,shared infrastructure

Migrated Websphere, IHS from V6.0 to V6.1.

Was on On-call rotation once to twice every month.

Implemented the upgrade,migration of Maximo,QS(Quickstart) and DB2.

Performed data loads and automated the regular jobs.

Provided custom monitoring tools for the accounts.

Mentored new and junior team members and provided technical guidance.

Created custom builds, performed content/build installation.

Worked on workflows,database configuration, configuration items, application designer items.

Project 5

Role : Websphere administrator

Responsibility : Operations,Upgrade

Duration : Jun '10 – July '11

Infrastructure : Private cloud

Team : Websphere support team

Technologies : Websphere 6.0, IHS 6.0, Maximo 6.0, QS 5, AIX, Windows,Wily introscope, TPV, PMI,

Responsibilities:

As a member of operations and support team, the primary objective was to ensure the continuous,24*7, availability of the business-critical enterprise application – Maximo (ISM,IBM Service

Management), an 'Asset Management Tool' and its supporting Websphere ND environments and to troubleshoot the issues to resolution, by adhering to the SLAs and SLOs

Supported multiple(15-20) accounts(300-350 JVMs) belonging to a diverse array of industries, like finance, banking, industrial, automotive etc with various versions of Websphere ( 6.0,

6.1, 7.0,8.x), TDS, Database

As a L2/L3 resolver, my day-to-day work involved working on severity 1-4 incidents, monitoring of the environment, identifying and debugging issues, performance tuning, and deploying maintenance changes.

Performed DBA administrative tasks and worked on dataloads, load balancers, Proxy and SMTP servers, and have working knowledge of SAN, TSM, Network architecture and integrations.

Worked in tandem with senior developer, architect and designer teams to remediate any issue or to accommodate any tailored customer request, brought to attention by the accounts SDMs, AVMs and DPEs.

Current activities:

Upgrade of the Accounts environments ;for Websphere (WAS 7 to WAS 855),DB2 and Maximo (SCCD 7.5 to ICD 7.6),

Remediation of critical vulnerabilities,

Create and build 2 new environments for new accounts

Client: Schneider National, Greenbay, Wisconsin Sept ‘08- May ‘10

Websphere/MQ Administrator

Responsibilities:

Responsible for the Installation, configuration and administration of enterprise applications on IBM Websphere Application Server 6.x, IBM HTTP Server, Apache Web Server on AIX, Sun Solaris, Linux and Windows NT/2000/2003/XP environment.

Created MQ Series objects on local and remote MQ servers.

Using security exists and channel exists for providing security to MQ Objects.

Created and configured MQ Objects like Queue Managers, Remote Queues, Local Queues, and Queue Aliases.

Designed distributed queuing client server architectures and configured MQ.

Enabling triggering on queues and was involved in the Clustering of Queue Managers. MQ Backup & Recovery process.

Installed and configured MQ Series server on Windows 2000, Windows 2003, and Linux.

Upgraded Websphere Application Server V6.1 by using refresh packs and fix packs on AIX and Linux platforms

Implemented Clustering, Performance tuning and trouble shooting of IBM Websphere Application Server 6.1.x.

Deployed J2EE Enterprise applications on Websphere 6.x that involves EAR, JAR, and WAR files.

Configured Secure Sockets Layers (SSL) for data encryption and client authentication and used iKeyman key utility to manage keys and certificates.

Enabled Global Security and secured the applications by using Sun One LDAP user registries and LTPA authentication mechanisms.

Worked with Weblogic used by the other teams in the environment.

Comprehensive knowledge in enabling or using Garbage Collection, GC or Verbose GC,GLobal Security, WLM,Work Load Management, Session Management,

Extensively used the best site monitoring tools such as Tivoli Performance Viewer & Wily Introscope for monitoring and tuning of the Websphere Environment (JVM heap size, data base connection pool size, etc).

Worked with J2EE architecture to modify applications based on the requirement.

Utilized Logging and Tracing methods to monitor the System performance.

Analyzed Heap dumps and Thread dumps by using Heap Analyzer and Thread Analyzer tools to debug locked threads or bottlenecks in servlet threads during application slowdowns or outages.

Worked closely with IBM to resolve PMR issues pertaining to applications and application servers.

Created monthly backups of the data.

Worked with various project teams to provide support in performance tuning and issue resolution.

Technologies utilized:

Websphere Application Server 5.1/6.x, Bea WebLogic, IBM HTTP Server, Apache Web Server, IBM AIX 5.3, SUN Solaris, Windows 2000, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, ORACLE, DB2, HTML, WSCP, JACL. Jython scripts

Client: DataInformation Systems, Hyderabad, INDIA. Sep ‘05 - July Websphere Application Server Administrator.

Responsibilities: -

Responsible for Installation, configuration and administration of enterprise applications on IBM Websphere Application Server 5.1/6.x and IBM HTTP Server, Apache Web Server on Sun Solaris, Linux and Windows NT/2000/2003 environment.

Upgraded WAS 5.0 on AIX/Windows2000 platforms and upgraded to fix pack 1 cumulative fix level 8.

Implemented Clustering, Performance tuning and trouble shooting of IBM Websphere Application Server 5.1/6.x.

Deployed enterprise J2EE applications on Websphere 5.1/6.x that involves EAR, JAR, and WAR files.

Involved in the configuration of Websphere Application Server resources like Data Sources, JDBC Providers and Connection Pooling to connect to the DB2 and Oracle

Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests

Installed and configured Netegrity Siteminder Web Agent with webserver.

Configured Secure Sockets Layers, SSL, for data encryption and client authentication

Implemented bash and korn shell scripts for accessing remote Admin Servers, cleaning up logs along with back-ups and ran them as kron jobs.

Created ESBs and deployed MDB and JMS applications on SIB.

Technologies utilized:

IBM AIX, SUN Solaris, Windows 2000, Websphere Application Server 5.1/6.x, Weblogic 6.0 IBM HTTP Server, Apache Web Server, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, ORACLE, DB2, HTML, WSCP, JACL scripts, Rational Rose 2000.

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