SUMMARY

• 7+ years of substantial IT experience with expertise in DevOps, Linux Administration, Release Engineering, Configuration Management, Cloud Infrastructure, Automation, Amazon Web Services (AWS)
• Experience in Infrastructure Development and Operations involving AWS Cloud platforms, EC2, EBS, S3, VPC, RDS, SES, ELB, Autoscaling, CloudFront, CloudFormation, ElacticCache, CloudWatch, SNS, AWS Import / Export
• Experience in Log Insight and Cloud watch services to diagnose problems and configuring alerts.
• Experience setting up and maintaining auto - scalingAWSstacks (using cloud formation and scripting)
• Skilled enough to build deployment, Build scripts and automated solutions (using scripting languages such as Shell, Perl, JavaScript etc.)
• Well Experienced in working on source controller tools like Subversion (SVN), CVS, GIT, TFS.
• Extensively worked on Hudson and Jenkins for continuous integration and for End-to-End automation for all Build and deployments.
• Experience in configuration and automation management using Chef, Puppet
• Strong knowledge on source controller concepts like Branches, Merges and Tags.
• Worked with System 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.
• Excellent Knowledge of Application Lifecycle Management, Change & Release Management and ITIL process.
• Exposed to all aspects of Software Development Life Cycle (SDLC) such as Analysis, Planning, Developing, Testing, and Implementing and Post-production analysis of the projects.
• Implemented and administered Continuous Integration process using Jenkins/Hudson, Bamboo and AnthillPro.
• Expertise in Administration of BEA WebLogic (version 6.x - 10g SME), iPlanet Web Server on IBM AIX 4.3/4.5, Sun-Solaris (versions 9 and 10) and Red Hat Linux (4.x - 8.0) environments.
• Substantial experience with JVM profiling and JVM performance tuning / JVM performance management - for enterprise applications.
• Experience with WebLogic Environment Capacity Planning - for various applications and environments.
• Created CM Plans, Test plans and Build Documentation while maintaining source code.
• Extensive experience of working with the release and deployment of large-scale Java/J2EE Web applications.
• Designing custom workflows for automating the infrastructure.
• Technically adept with Multiple flavors of Linux, Unix, Windows and Mac Operating Systems
• Experience in managing DNS using Route53 of AWS.
• Experience in administering and deployment of Sun Solaris, Red Hat (Linux) & AIX servers via VMware.
• Worked on installation, configuration and administration of Kickstart and Jumpstart in various Red Hat and Solaris server.
• Setting up Auto scaling of the instance group using AWS command line tools and AWS cloud environment for Dev/QA environments.
• Created Process, policies, procedures and Release Notes for migration of SCM and CI Environment from Ubuntu to SUSE.
• Experience in Querying RDBMS such as Oracle, MY SQL and SQL Server by using SQL for data integrity.
• Managed environments DEV, QA, UAT and PROD for various releases and designed instance strategies.
• Well Adverse with the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
• Experience in using Nexus and Artifactory Repository Managers for Maven Builds.
• Expert in deploying the code through web application servers like WebSphere, WebLogic, tc Server, Apache Tomcat/JBOSS.
• Efficient in working closely with teams to ensure high quality and timely delivery of builds and releases.
• Experience in bug tracking Software like JIRA, HP Quality center, Remedy, ServiceNow and Project Management tool like Microsoft Project.

TECHNICAL SKILLS

Cloud Computing: Amazon AWS Cloud, EC2, EBS, VPC, RDS, ELB, Autoscaling, S3, CloudFront, CloudFormation, ElasticCache, CloudWatch, SNS, AWS Import / Export

Operating Systems: Linux (Red Hat 4/5/6, SUSE), Solaris 11/10/9, HP-UX 11.0, 11.11, 11.23, 11.31, Ubuntu, Fedora, CentOS, Windows NT/2000/2003, 7, Macintosh.

Server Services: Active Directory, DNS, DHCP, RIS, RRAS, FTP, RDS, Bind, Apache, Samba, VSFTP

Web Servers: IIS, Apache

Programming & Scripting: PL/SQL, Java AWT/Swing, C#, ASP.Net, XML, HTML, Bash, Shell, Ruby, Python, WLST, Perl

Configuration Management Tools: Puppet, Chef & Salt Stack, Jenkins, Bamboo, Maven, Ant

Database: MS SQL Server HA / Mirroring / Replication, My SQL HA

Messaging: Google Apps, MS Exchange Server 2003, MS Live Communication Server, Qmail, Sendmail, Fetchmail

Network Security: Firewalls & NAT, MS ISA Server, Squid Proxy, iptables, Cisco PIX, Cisco ASA 5500 Series, Linksys RV Series

S/W Firewall: Vyatta, E-Trust, Outpost, VisNetic, Cisco Check Point, VPN HW & SW

Enterprise Antivirus & Antispam: Kaspersky, Trend Micro, AVG Professional, Symantec, Trend Micro IMSS

Virtualization: VMWare, MS Virtual Server, MS Hyper-V, Citrix Xen

VoIP: Asterisk, FreePBX

Data Collaboration: MS SharePoint Server, Project Server, VSS, TFS

High Availability, Data Redundancy & Storage: MS Cluster, DFS, RAID, Link Bonding, iSCSI, OpenFiler, FreeNAS

Remote Management: RDP, Symantec PC Anywhere, VNC, Kasaya, IP KVM

Systems Management & Monitoring: SMS 2003, WSUS, Manage Engine Service Desk, OpManager, Nagios

Enterprise Backup: Acronis TrueImage, EaseUS Todo Backup, BrightStor ARCserve, Symantec NetBackup, HP Backup Manager, DAT Drives, Ultrium LTO Drives

PROFESSIONAL EXPERIENCE

Confidential, Boston, MA

AWS DevOps Engineer

Responsibilities:

• Manage network security using Load balancer, Autoscaling, Security groups and NACLS.
• Support current migration of Data Center to Amazon Cloud.
• Focus on continuous integration and deployment, promoting Enterprise Solutions to target environments.
• Design roles and groups usingAWSIdentity and Access Management (IAM).
• Implement and maintain the monitoring and alerting of production and corporate servers/storage using CloudWatch.
• Document system configurations, Instance, OS, and AMI build practices, backup procedures, troubleshooting guides, and keep infrastructure and architecture drawings current with changes.
• Provide oversight and guidance for the architecture, development best practices for application hosting, and infrastructure deployment for each application.
• UtilizeAWSCLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create nightly AMIs for mission critical production servers as backups.
• Use puppet and Chef automation tools for configuration management in different systems.
• Write Puppet manifests in Ruby for deploying, configuring and managing collected for metric collection and monitoring
• Responsible for maintaining 4-5 Different Testing/QA Environments and erection of the PROD Environment in AWS
• Experience with analysis of logs and performing root cause analysis for various issues coming up on daily basis
• Monitoring Live Traffic, logs, Memory utilization, Disk utilization and various other factors which are important for deployment.
• Implement and Enhance the Existing Scripts which are developed in Shell, Perl, Ruby and Python.
• Manage SAN disks like EMC and VMAX using EMC PowerPath.
• Install EMC PowerPath and create Storage RAID groups, LUN's and assigning them to the servers.
• Troubleshoot and performance tuning issues with applications like Oracle 10.x, 11.x JBoss 5.x, WebLogic 11.x, 12.x.Installing and deploying Apache, JBoss 5.x
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
• Installation, configuration and administration of Linux (Red Hat, Centos), Sun Solaris and HP-UX Servers.
• Storage Provisioning, Volume and File system Management using LVM/Veritas on HPUX/Linux/Sun Solaris OS in a SAN environment
• Work with F5 load balancers to load balance and reverse proxy servers. Work with CloudTrail, CloudFront, and Glacier.
• Manage network using Security Groups, NACLS, and IAM. Use Amazon RD and, MySQL to perform basic database administration.
• Utilize Puppet for configuration management of hosted Instances withinAWS.Configuring and Networking of Virtual Private Cloud (VPC).Utilize S3 bucket and Glacier for storage and backup onAWS.
• Develop CloudFormation scripts to automate EC2 instances.Design user's credentials and profiles usingAWSIAM..

Environment: AWS EC2, VPC, Autoscaling, ELB, Red Hat EL 3/4/5/6, CloudWatch, EBS, Directory Services, Route53, MS SQL 2012, SQL Server Mirroring, Active Directory, DFS

Confidential, Foster City, CA

Linux Admin/DevOps Engineer

Responsibilities:

• Involved inDevOps migration/automation processes for build and deploy systems.
• Implemented the Build automation process for all the assigned projects in Vertical Apps domain
• Monitor the UAT/Production Environments for any down time issues by performing regular Cron job updates in servers.
• Administration and support of Unix Servers including SUSE, Red Hat Linux and CentOS.
• Creation of VMs for SUSE, Solaris x86 and Red Hat Linux on VMWare ESX 3.5 and administering them with VI Client.
• Performed volume management using SVM and LVM and the creation of zfs, VxFS, UFS and ext3 file systems.
• Installation and support of various applications including WebLogic 10, JBoss 4.2.x, Oracle 10g, Sun Java System Web Server 7, Tomcat, JDK 1.5, Ant.
• Patch management using native commands on Linux and following the chance control procedures.
• Performance tuning and troubleshooting of the applications and resolution of issues arising out of the ticketing systems in Remedy.
• Evolved new tools/methodologies to improve this existing process and show better results to all stakeholders
• Supported the code builds by integrating with continuous integration tool (Jenkins)
• Written Maven scripts, Installed Jenkins, written shell script for end to end build and deployment automation.
• Built Continuous Integration environment (Jenkins, Nexus) and Continuous delivery environment (puppet, Yum, Rsync).
• Performed Integrated delivery (CI and CD process) Using Jenkins, Nexus, Yum and puppet.
• Created scripts for system administration andAWSusing languages such as BASH and Python.
• Built server deployment on Cloud (EC2) servers with help ofDevOpstools like Puppet.
• Implemented JSHint/JSLint testing tool to automate the code review process and published the results on Jenkins as well the graph by comparing everyday nightly builds.
• Maintenance and Managing of LDAP server.Processing of Java Script to all the nodes using Puppet.
• Worked on cloud services elastic capacity administration and cloud deployment and administration tools.
• Deployed the Java applications into Tomcat web application servers.
• Executed user administration and maintenance tasks including creating users and groups, reports and queries.
• Worked as a system administrator for the build and deployments process for DEV and ITEST Environments.
• Configured automation tools like Chef and Puppet 2.x on Linux servers.
• Installed and Configured Nagios on servers and clients using Puppet automation.
• Created Modules for Protocols configuration and managing them using Puppet automation.
• Writing Manifests/Modules for Installation and Updating of Yum repositories on the Server using Puppet infrastructure.
• Actively involved in architecting the puppet infrastructure to manage more than 2000 servers.
• Involved in virtualization with VMware ESX vSphere 4.1 and created VM's and performed P2V and P2P migrations.Migrated Projects from SVN to GIT.
• Installing and Configuring TOMCAT and deployment of JSP.
• Worked on hardware, HBA, DNS, firewall, load balancer, networking, middleware, web application and security.
• Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Sun Solaris and Red Hat Linux platforms.
• Configure and maintain codebase to support the build and deployment of code on servers.
• Maintain a Live Like environment to test any production issues on the setup and push it into production.
• Responsible for distributed applications across hybridAWSand physical data centers.
• Configure and maintain stress server in different geographical location and provide setup in every release to perform stress testing.
• Configuration Management using Subversion (SVN) and maintaining admin related files.
• Automating the regular tasks in Subversion and streamlining the process of access to SVN.

Environment: Java/J2EE, Subversion, Jenkins, JIRA, OpenStack, Maven, GIT, ANT, Puppet,AWS, Python, Remedy, UNIX Shell Scripting. Red Hat EL 3/4/5/6, SUSE, Apache CloudStack, AWS, Solaris 5.8, 9 and 10, Sun Fire V480, V490, V880, V890 Sun Enterprise E3500, E4500, E6500, M4000, M5000, T5220, T5120, T5140

Confidential, Menomonee Falls, WI

AWS Cloud Administrator

Responsibilities:

• Performed application server builds in EC2 environment and monitoring them using cloud watch.
• Creating Private networks and sub-networks and bringing instances under them based on the requirement.
• Creating Security groups for both individual instances and for group of instances under a network.
• Built DNS system in EC2 and managed all DNS related tasks. Managed the configuration of the applications using chef.
• Maintained all development tools and infrastructure and insure availability for a 24/7 development cycle with teams.
• Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and configuring launched instances with respect to specific applications.
• Creating snapshots and amazon machine images (AMIs) of the instances for backup and creating clone instances.
• Performed Server configuration management viaPuppet. Transparent Data Encryption (TDE) implementation
• Database Encryption for mirrored Databases. SQL Web Replication implementation
• Migration of over 2500 Applications with 3000+ Databases
• Setting up private networks and sub-networks using virtual private cloud (VPC) and creating security groups to associate with the networks.
• Install and configure Amazon command line interface tools Performed migrations of virtual servers from Ubuntu OpenVZ physical servers to AWS EC2.
• Developing automation scripts using EC2 commands. Designing SQL Server Reporting Services (SSRS) High Availability
• Managed the configurations of the instances using Opscode Chef. Written and modified various Cookbooks/Recipes for better management of the systems.

Environment: AWS EC2, VPC, EBS, Windows AD, MS WSFC, MS SQL 2012, SQL Server Always on Availability Group, SQL Server Reporting Services, SQL Web Replication, ELB, Route53, Windows Server 2008 R2, SQL Server Mirroring, Active Directory, DFS

Confidential, San Francisco, CA

WebLogic Administrator

Responsibilities:

• Worked on Optimization and performance tuning techniques and also have Experience in performance tuning.
• Provided WebLogic server instances into WebLogic clusters for high availability.
• Worked in WebLogic server like JDBC, security, and install apache server configuration.
• Install WebLogic server 10.3.5 with coherence 3.6 or 3.7, Create a domain, machine, start node manager and check status from console if it's accessible
• Create a simple cluster with two managed servers, and assign both managed servers to machine
• Create a Coherence cluster and defined cluster to coherence cluster
• Worked with the Portal team to integrate InfoView into a BEA WebLogic Portlet.
• Worked on web application and portal development on a large Oracle data warehouse, and administration of a middle tier application server.
• Worked with Big IP F5 Load Balancer administration, shell scripting for alerting and alarming on applications. Significant experience using HP OVO.
• Worked in WebLogic Administration 8.x/9.x/10.x - installation/ deployments/ configuration/ maintenance/ performance/ monitoring/ troubleshooting Web based applications.
• Worked on performing systems monitoring using SiteScope, OEM (Oracle Enterprise Monitoring) tools.
• Worked in Monitors systems capacity and performance, plans and executes disaster recovery procedures, and provides Tier 2 technical support.
• Installation and configuration of NDM (Network Data Mover) for file transfer from WebLogic server to Mainframe servers. Worked on migration from WebLogic 8.x to WebLogic 10.x.
• Worked in Oracle 11g SOA Suite including, OVD, OES, OSB, Oracle WebLogic Portal (WLP) 10gR3, Oracle Enterprise Manager, workflow engine, BPEL and UCM.
• Strong Experienced in WLST, Jython and ANT scripting to automate and monitor the WebLogic routine tasks.
• Worked in WebLogic Administration with expertise in Installation, Configuration, Tuning, and Deploying applications on a Windows platform.
• Maintained and investigated performance improvement of J2EE applications effectively using enterprise monitoring tools.
• Strong scripting skills (shell scripting, WebLogic WLST, JMX, WebLogic Admin.
• Worked in Oracle/WebLogic Application Server, Portlet and Content Management Administration (UCM) and Site Studio.
• Worked as administrating JBoss, WebSphere and WebLogic application servers.
• Performed troubleshooting, performance and capacity tuning.
• Solved server hang issues such as Deadlock, Application and Database level lock by taking thread dump and analysed to get the root cause of the hang.
• Participated in the on call rotation for 24x7 production support.

Environment: BEA WebLogic 8.x, 9.x, IIS 5.0, Unix/Linux, Shell/Perl Scripting, Oracle8i, Solaris 8, Apache Server 2.0, Netscape Enterprise Server, SiteMinder.

Confidential

Jr. WebLogic Administrator

Responsibilities:

• Installing WebLogic 7.0, 8.1 and applied Service Packs in different environments.
• Installation, configuration and administration of BEA WebLogic in clustered and non-clustered environments.
• Configuring individual servers for different environments.
• Deployed J2EE Web and EJB modules using WebLogic Command Line Deploy tool and WebLogic Admin Console.
• Worked in Java and programming in JavaScript, J2EE, JSR, JSF, AJAX, jQuery, JSON, RIDC.
• Used MVC design pattern with JSP, HTML for front-end and Servlets and EJBs for Model layer.
• Implemented Session Beans for implementing Business Logic and Entity Beans to persist the data into the database.
• Used Java Message Service (JMS) for sending confirmations to the passengers about ticket purchases.
• Configured Database Support for WebLogic Application Server.
• Used Ant Build scripts for compiling and deploying the application onto Apache Tomcat Web Container.

Environment: BEA WebLogic 7.x, Tomcat 4.x, Java 1.4, EJB 2.0, JSP, JMS, JDBC, SQL Server 2000, CVS, Windows NT/2000, LDAP.