SUMMARY:

• 8 years of IT experience in Cloud technologies using AWS&OpenStack,Middleware administration for Java/J2EE Applications,Infrastructure Architecture, Build & Release Management, DevOps Automation, Software Configuration Management (SCM).
• Experience in System Administration, installing, monitoring, troubleshooting IBM WebSphere Application Server, Web Logic, Tomcat, WebSphere MQ Server, WebSphere Enterprise Service Bus, JBoss Application Server, IBM HTTP Server & Apache Web Servers on SUN Solaris, AIX and Red Hat Linux.
• Experience in all Phases of Software Development Life Cycle with emphasis on Designing, Developing, Implementation, Deployment and Support of Distributed Enterprise Scalable, Secure and Transactional Applications
• Experience working on Cloud platforms - Open Stack, AWS cloud - AWS CLI and S3 bucket . Completed training on AWS Sys Ops and also preparing for AWS Solution Architect associate certification.
• Expertise in improving build & deployment tools in DevOps through automation using scripting languages such as Shell, Bash, Perl, JSON and Python etc.
• Implemented Continuous Integration/Continuous Deployment Automation Process using various tools like Jenkins, Bamboo, Chef and Ansible .

TECHNICAL SKILLS:

Cloud Technologies: Pivotal Cloud Foundry (PCF), Open Stack (Grizzly, Havana, Juno), AWS cloud EC2, VPC, S3, Load Balancer, Auto Scaling.

Application Servers & Web Servers: IBM WebSphere Application Server 8.5/8.0//7.0/6.1/6.0 , IBM WebSphere MQ Server 7.x/6.x, IBM WebSphere Enterprise Service Bus 7.x/6.x, JBoss 6.x/5.x/4.x, Tomcat 6.0/7.0/8.5, Apache Web Server 2.x/1.x, Nginx, HA Proxy & WebSeal

Operating Systems: Linux, Solaris, IBM AIX (V4.3.3 and 5L V 5.1) and Windows 2000/XP/NT, VMWARE, RHEL, Ubuntu, Cent OS

Tools: Chef, Nagios, ELK Stack, Tivoli, BMC Patrol, VISIO, Splunk, New Relic, App Dynamics, SiteScope

Scripting Languages: JavaScript, Shell Script, Perl, ANT, Jacl and Jython, Python

Technologies: CI/CD, Jenkins, Bamboo, SSH, XML GW. ESB. Big IP F5, NetScaler, Akamai, Web Service - SOAP/REST, Fail over mechanisms, DNS Load balancingDatabases

Oracle 11g/12c, DB2, PostgreSQL, Sybase, SQL Server and MS Access

Protocols: TCP/IP, FTP, SMTP, SOAP, POP and HTTP, UDP, SSL, MSSL, HTTP/HTTPS, DNS

PROFESSIONAL EXPERIENCE:

Confidential, DENVER, CO

DEVOPS ENGINEER

• Experience working as a DevOps engineer for Comcast xNet application by providing 24/7 support.
• Perform day to day system administration by maintaining the Linux systems hosted on Red hat Linux CentOS and manage up to 600 physical and virtual servers .
• Applying security patches on month to month basis by being in line with the company compliance and fixing security vulnerabilities.
• Develop, Onboard and maintain all GSLB across different Pivotal cloud foundations by achieving high availability and well accustomed of fail over activities.
• Expertise in using build tools like Maven, Gradle and Ant for the building of deployable artifacts such as jar, war & ear from source code. Application Deployments & Configuration using Go.
• Worked on Jenkins & Go Continuous Delivery tool by installing, configuring and maintaining for the purpose of continuous integration (CI) for all build/deployments to company production and non-production environments using GoCD .
• Experience in creating the company's DevOps strategy in a mixed environment of Linux (RHEL, CentOS) and Windows servers.
• Experience in Package Management using Red Hat RPM/YUM .
• Deploy, maintain and troubleshoot the applications in AWS and Pivotal Cloud Foundry environment and tightly maintain Continuous Integration, Continuous Delivery and Continuous deployment in multiple agile environments.
• Experience with development/testing, deployment, systems/infrastructure and project teams to ensure continuous operation of build and test systems.
• Defined and Implemented CICD and Release Management Processes, Policies and Procedure.
• Knowledge of networking concepts ( DNS, TCP/IP, UDP, HTTP, SSH, OSI layers, Client/Server architecture and Firewalls).
• Experience in Installing, Upgrading and configuring various industry DevOps components like ELK, Kafka, Zookeeper, Spark etc.
• Extensively worked on Elastic Search for search and analytics of large quantities of data. Created dashboards and configured alerting for monitoring the production traffic.
• Troubleshoot transaction failures within an application environment using AppDynamics and Kibana to determine root cause.
• Developed Ansible roles and playbooks for installing, offline upgrading, rolling upgrading of various DevOps tools like Elastic Search, Kibana, Kafka, Zookeeper, Neo4j and Spark etc.
• Worked on Installation, Configuration and Management of NoSQL tools such as Couchbase and graph DB tools like Neo4j.
• Worked with Engineers, QA, business and other teams to ensure automated test efforts are tightly integrated with the build system and in fixing the error while doing the deployment and building.
• Provided input/support for the development team as needed on the advanced technical aspects that benefit clients, owners and stake holders.
• Created and provided analysis on data and metric systems to track operational workflows, identify problem areas on regular basis to management for better planning of quarterly goals.
• Extensively worked on remediating vulnerabilities on the Linux/Windows servers and managed security options, software's and networks to maintain privacy and protection from attacks.
• Experience working in both 3week and 2 week sprints for continuous delivery of features to the end consumers.
• Lead technical bridges and provide troubleshooting direction, provided guidance and solutions to complex technical issues.
• Provided 24x7 production on call support for the platform to resolve any issues.
• Strong ability to troubleshoot issues generated while building, deploying and in production support.
• Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions. Environment : Pivotal Cloud Foundry, AWS, GoCD, Jenkins, Gradle, Maven, Nexus, Route53, EC2, Couch base, ELK, Grafana, Nagios, Jira, Rally, PCF Auto Scaler, Redis, AppDynamics, Influx, Prometheus, Contrast, SonarQube, Neo4j, Kafka, Log stash, Zookeeper, Ansible, and GitHub

Confidential, ST. LOUIS, MO

INFRASTRUCTURE ENGINEER

• Gathered requirements and designed solutions to architect the B2B/B2C/B2Emodels for MasterCard Digital Payment Enabled Applications.
• Developed a logical form of application under Visio and createdTechnical Architecture document (TAD) on based of the application team requirements and logical.
• Transitioned and designed a smooth migration of legacy applications into Cloud infrastructure using 12 factored appson Pivotal Cloud Foundry (PCF).
• Used Python to automate deployments on JBoss and Tomcat application servers.
• Built and configured middleware infrastructure for all web-based applications and services Confidential MasterCard and implemented Java J2EE application on middleware components like JBoss 6.x/5.x , WebSphere 8.x/7.x , Tomcat 7.x/8.x application servers.
• Installed and configured MQ Series on various environments like Windows & Linux.
• Maintained and Supported Adobe AEM application by configuring Apache dispatcher, Author and Publisher and integrated it with different application in MasterCard.
• Created F5 vservers by assigning pool members by configuring SSL certificates and implemented iRules across data centers.
• ConfiguredSAML authentication on JBoss and Tomcat containers and attain fine grain authorization.
• ConfiguredISAM 9.0 and created junctions for B2b/B2c applications for authentication and authorization purpose for 2FA and SSO.
• Configured SSL certificates to achieve Mutual Authentication across different platforms on Linux/AIX systems.
• Involved in the migration of NetScaler to Big IP F5 Load balancer and was successfully able to migrate Master passdomains to the F5.
• Configured PostgreSQL&Oracle DB sources, JDBC providers and Connection pooling on JBOSS, Tomcat and WebSphere application server JVMs.
• Worked closely with application team to troubleshoot, fine tune and performance related issues related to application.
• Worked closely with Project manager, development, and testing and production teams to align project deliverables, dates and report issues/concerns.

Environment: IBM Web Sphere application server 8.5/7.0, JBoss 6.4/5.0, Tomcat 8.5, JRE 1.8, Apache webserver 2.4, Big IP F5, Net Scaler, XML GW, Enterprise Service Bus (ESB), Pivotal Cloud Foundry (PCF), Amazon Web Services (AWS) - EC2, VPC, S3, Auto Scaling and Cloud Watch, SSL, MSSL, TLS, SSH, Chef Configuration Management, Jenkins, Bamboo, Git Hub, Bit Bucket, Micro Services, Web Seal, ISAM, 2FA, SSO, LDAP, TAM, STS, B2b, B2c, Web Service, Rest APIs, IPV4/IPV6, DNS, Site Fail over, SNI, Akamai, Splunk, SMTP, GFT, Oracle 11g/12c, PostgreSQL 9.4.5

Confidential, ATLANTA, GA

MIDDLEWARE ENGINEER

• Provided Tier3 Support to cox.com website and implement infrastructure for new projects.
• Planned code releases, open keystone web tickets to implement major infrastructure changes.
• Prepared detailed release notes, deployment instructions and MOP (Method of Procedure) documents for the scheduled ECR.
• Ran the Change Window Calls and took important decisions (like rollback etc.) on the call which would impact multiple teams.
• Planned the change windows/releases appropriately by making sure all the approvals are in place and the change is agreed upon by all the cross-functional teams.
• As part of the Tier3 Support, worked on high priority production issues which the Tier 2 escalates. Worked on finding a resolution and provide Root Cause Analysis to the Management Team.
• Constantly monitored servers disk space, CPU Utilization etching tools like New Relic.
• Used Ansible Playbooks and Built new applications on JBoss 6.2 and JDK1.7 in Dev, Staging and Production environments.
• Involved in the monthly PCI Patching by Red hat Linux Team and fixing the security vulnerabilities for Cox Applications in DEV, QA and PROD environments.
• Worked on building and deployed Java code through Jenkins.
• Installed and Configured JBoss and Apache server nodes in Prod as part of capacity addition project.
• Built an offshore team consisting of 6 members and managing the same.
• Provided on-call 24/7 Tier3 support on bi-monthly basis.

Environment: Linux/Unix (Red hat), Python, shell, SVN, Maven, GIT, ANT, Jenkins, Chef, Ubuntu, Ansible,, AWSELB, AWS SQS, AWS S3, AWS Cloud Formation Templates, TFS, AWS RDS, AWS Cloud Watch. New Relic, Site Scope, Splunk, JBOSS EAP 6.2.

Confidential, ATLANTA, GA |

DEVOPS ENGINEER

• Maintained and expanded the Confidential &T Digital Life Platform as a System admin and level 4 production support engineer.
• Created Amazon VPC to create public-facing subnet for web servers with internet access, and backend databases & application servers in a private-facing subnet with no Internet access.
• Responsible for setting up the DEV, SIT, PROD environments which includes installing and configuring JBoss EAP 6.2clusters, Data sources, start/stop scripts, log cleanup scripts and monitoring tools ON Red Hat Linux.
• Installed and ConfiguredApache 2.2 Web Server, Nginx and HAProxy and wrote re-write rules and installed and configured SSL certificates on the web servers.
• Involved in Data Center Migration between Open Stack environment’s in the cloud.
• Involved in installing, administrating, supporting and maintaining almost 450 VMs in Open Stack Cloud which includes RHEL 7.0/6.7, Ubuntu 16.04, 14.04, Centos 7/6.7.
• Installed and maintainedNagios Monitoring and alerting services.
• Installed Chef Server Enterprise on premise/workstation/bootstrapped the nodes using knife and automated by testing Chef recipes/cookbooks with test-kitchen/chef spec.
• Initiated the execution of a new internally secured company wiki site to both document and share the Digital Life production environment policies and procedures with other departments.

Environment: Web Server- Apache 2.4, HAProxy, Nginx. Application Server - JBoss 6.2, Nagios, Chef, ANT, Maven, SVN, AWS EC2, S3, RDS, AMI, IAM, VPC, OpenStack Cloud, Jenkins, VM Ware, oracle 11g, Cassandra, MySQL, Rabbit MQ, RHEL 7.0/6.7, Ubuntu 16.04/14.04 , CentOS 7/6.7, ELK Stack, OpenVPN.

Confidential, ST. LOUIS, MO

MIDDLEWARE ADMINISTRATOR

• Installed, configured and administered WebSphere Application Server ND V 8.0/7.0/6.1, Apache Web Server 2.x&JBOSS 5.1/6.4 on various platforms such as AIX, Linux and Windows.
• Implemented, managed and supported internet infrastructure components while leveraging current standards and best practices.
• Performed problem diagnosis; performance tuning; capacity planning and configuration management for MasterCard internet components. Assure system stability and future compatibility by monitoring production execution of all relevant systems.
• Created WebSeal junctions and updated the configurations for Single Sign on (SSO).
• Administered the MQ Series Objects like Queue Managers, Queues, Channels, Process Definition, Clusters, and Name Lists.
• Configured F5 Hard Ware Load balancer to balance the loads on Apache Web Servers.
• Configured SSL certs in WebSphere and JBoss for the inbound and outbound call to and from the application servers for webservices such as ESB and STS.
• Configured WebSphere & JBoss resources like JDBC providers, JDBC data sources, connection pooling.
• Collaborated with Development teams to discuss, analyze, or resolve application and usability issues.
• Upgraded middleware components by working with application teams to develop, test, evaluate, and install enhancements, fixes and updates.

Environment: : IBM WebSphere Application Server 8.0/7.0/6.1/6.0. JBoss 6.X/5.X, Apache 2.X, F5, IBM WebSeal 6.X, Oracle 11g, DB2 11g, Red Hat Linux 4.x/5.x/6.x, AIX 6.X, Solaris 10, Windows 2003/2008.

Confidential, JERSEY CITY, NJ

MIDDLEWARE ADMINISTRATOR

• Installed, configured and administered WebLogic Application Server 9.2/10.3, JBoss 4.x, Tomcat 5.x on SUN Solaris 8.0/9.0/10.0 , Linux and Windows environment.
• Involved in migration of WebLogic Application server 8.1 to WebLogic 10.3.
• Deployed application formats like WAR, JAR and EAR in WebLogic 10.0, JBoss 4.0.1/4.0.3 .
• Resolved performance issues by taking java thread dumps and analyzing the dump files to resolve the performance issues.
• Configured and administered JDBC, JMS, JNDI in JBoss 4.0.1, WebLogic Server9.0.
• Installed and configured Apache Web server and integrated with JBoss, Tomcat and WebLogic server.
• Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance.
• Implemented Single sign on using LDAP and SAML.
• Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
• Monitored application performance using Wily Introscope. Setting up Introscope to alert for various metrics (CPU, heap, threads).
• Developed UNIX shell scripts and WLST scripts to start/stop admin and manage servers and to deploy different applications like .war or ear files.
• Created Korn Shell scripts to automate Cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Installed, Implemented and maintained SOA architecture.
• Prepared backup procedures, scheduling backups through crontab entries.
• Monitored the startup logs for any exceptions or errors. Performed regularhealth checks for the servers in the Testing and Production environments.
• 24X7 on-call production support, technical support, troubleshooting, problems related to oracle WebLogic Server.

Environment: WebLogic Server 9.2/10.3, JBoss 4.0.x, Tomcat 5.x, WebSphere MQ Series, Apache 2.2.2, WLI, Oracle 9i/10g, UNIX (Solaris 8/9.0/10.0, AIX 5.1, Linux 5), OEL, Python.