SUMMARY:

• 8+ years’ IT experience, entailing 1.5 years in Linux System Administration, Installation, Configuration, Tuning & Upgrades (Red Hat & Oracle) with expertise in backup, recovery & upgrades of Red Hat Linux, Solaris, SuSE Linux, CentOS, Fedora, Windows, & VMware vSphere environments; almost 6 years' in Software Configuration Management (SCM) and Cloud Technologies with in - depth understanding of SCM principles & best practices. Worked on Data-Center operation and migration across Unix & Linux platforms. Adept in all phases of software development life-cycle (SDLC) with focus on build and release of quality software. Exposure in Waterfall, Agile/Scrum, Lean, Continuous Integration (CI) & Continuous Deployment (CD) practices.
• Document & manage ITIL controls and support Linux environment
• Configure Volume Groups, Logical Volumes & File Systems on Red Hat Linux Servers
• Install Firmware upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems
• Implement new projects build framework using Jenkins, Maven, ANT and Nexus in Linux
• Install & configure JBoss, Web Sphere 5.1/6.0 Application Server on Solaris & Linux boxes
• Automate Administrative tasks using Shell, PHP, Python & Perl scripts
• Version Control Systems - Subversion (SVN), GIT, CVS, Perforce, & IBM Rational Team Concert, Clear Case
• Source Code Management tools - Visual SVN, Tortoise SVN, Stash, SourceTree, GitBash, GitHub, GitGUI
• Implement Chef, Puppet, Docker, & DevOps and usage of Cloud providers & API's for Amazon (AWS) Ec2, s3, VPC, SNS, AMI with CloudSigma (EU) & GFS storage
• Configure servers to host Team Foundation Server (TFS) instance, build controllers & build agents
• Create & upgrade Cassandra clusters, including backup & recovery planning
• Implement Trip wire, Digital board band and active directory
• OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, TFTP)
• Software design & testing with ARM based SoC hardware design

TECHNICAL SKILLS:

Build Tools: ANT, MAVEN

Version Tools: ClearCase, SVN, GIT, TFS

CI Tools: Jenkins, Bamboo, Hudson

Web technologies: HTML, XML, JAVA Script

CM Tools: Puppet, Chef, Ansible

Bug Tracking: JIRA, Bugzilla, HP Quality Center

Cloud Technologies: Amazon Web Services(AWS) EC2, ELB, CloudFormation, CloudWatch

Languages: C, C++, Perl Scripting, Shell Scripting, Java

Operating Systems: Red Hat Enterprise Linux 5/6/7, AWS EC2, Solaris 10, VMware ESXi 5.5, Windows Server

Storage: VERITAS Volume Manager 4.x, Logical Volume Manager, IBM Tivoli (TSM), VERITAS NetBackup 4.5, NetApp (Snap Vault & Snap Mirror), EBS, S3

Web Servers: Tomcat Apache1.3.x, 1.2, 2.x, JBoss4.0.x, WebSphere MQ, Weblogic, IIS 5.0/ 4.0, SAMBA v3.0

WORK EXPERIENCE:

Cloud / DevOps Engineer

Confidential, Seattle, WA

Responsibilities:

• Configured & administered Server Red Hat Enterprise Linux 5/6/7 and also Windows Server 2012 running in Amazon Web Services Cloud & VMware environments
• Maintained RDS DBInstances & Microsoft SQL 11.0 server to support Opentext Content Management application
• Designed & configured infrastructures using AWS products, like EC2 Instances, S3, EBS, EFS, Glacier, CloudWatch, IAM policies, Security Groups, Elastic Load Balancers, VPC, Snowball
• Provided support for applications running on JBoss & Apache Web services
• Developed Python based app to automate server builds in AWS CloudFormation using boto3 python code-set for Troposphere; also used Crucible to perform Code Reviews to in corporate coding best practices
• Wrote testing code to verify application availability and take server snapshots to allow for most frequent restores
• Worked on Autoscaling infrastructure setup to allow ease of adding & removing servers from ELB
• Worked on Code hosting and Versioning using GitHub & BitBucket during application development
• Configured monitoring tools like New Relic, CloudHealth Agent & CloudWatch for monitoring
• Created Job Schedules and alerts using Jenkins and Unix Cron jobs for running scheduled tasks
• Configuration management for server builds and application updates using CHEF; updated & integrated Consul format into the Cloud formation templates to manage CHEF code
• Configured & maintained file level backups using Commvault; AMI/Volume snapshotting to recover Server failures
• Managed application and database clusters to facilitate resiliency
• Migrated Applications running on VMWare & Physical Servers to Amazon Cloud.
• Worked on AngularJs to develop internet applications
• Performed Smoke Tests to verify system functionality & availability in project stages and release of new features
• Assisted in performance testing to validate system performance and system tuning before go-live
• Worked in an Agile process environment while attending daily Scrums

Environment: Amazon Web Services(AWS), RHEL (5,6,7), Windows Server 2012 R2, Microsoft SQL server, MySQL, EC2, ELB, CloudFormation, CloudWatch, S3 storage, VPC, Glacier, RDS, Identity Management(IAM), Glacier, Snowball, SNS notifications, VMware, Python, Agile, Github/Bitbucket, Service Now, angularjs

Linux / Cloud Infrastructure Engineer

Confidential, Charlotte, NC

Responsibilities:

• Created project plan, including information regarding project activities, anchors, efforts to track the development
• Implemented & supported Red Hat Enterprise Linux (RHEL 5/6) for Application, Middleware & Database servers
• Provided support for legacy Solaris 10 servers and identified migration requirements
• Handled capacity planning to identify server migrations & decommission basis OS & Hardware support life cycle
• Performed Physical & Virtual RHEL server builds from scratch; supported for physical Oracle RAC cluster servers
• Performed AWS Cloud deployments for web applications running on AWS Elastic Beanstalk with monitoring using CloudWatch and VPC to manage network configurations, also used angularjs as required.
• Deployed instances in AWS EC2 and used EBS stores for persistent storage; configured & supported storage level resiliency and performance optimization using Multipath & EMC PowerPath setups
• Installed, configured & maintained Weblogic on application servers. Also provided support in performance tuning and troubleshooting.
• Used Logical Volume Manager (LVM) to manage server volumes on Linux servers
• Configured & maintained NFS/CIFS shared volumes providing appropriate permission levels for secured access
• Changed maximum number of LUN's that can be connected to physical servers for using the server resources
• Created bash scripts to extract server configuration info; automated tasks thru crontab setup for maintenance
• Performed Unit level testing of new environments or server updates to verify environment accessibility & success
• Monitored logs and process using system-level & external third party tools
• Performed Samba3.x installation/upgrade to provide authentication and user accessibility
• Monitored hardware level logs and alerts from HP Blade center console.
• Worked in environments with LAN/WAN, Load Balanced Infrastructures, Change scheduling & ticket management using Service Now; worked on backup schedules & agent administration setup of Tivoli Storage Manager (TSM)
• Involved in planning, design & migration of data centers for high availability after accessing all requirements
• Represented Linux Test/Production changes in CAB meeting as needed.

Environment: Red Hat Enterprise Linux (RHEL 5/6), Solaris 10, Amazon Web Services, HP Bladecenter, Tivoli Storage Manager (TSM 6.1), Oracle RAC DB servers, Weblogic Server12c, WebsphereMQ, Vmware vSphere5.5, Service Now, Maximo, Angularjs.

Build and Release Engineer

Confidential

Responsibilities:

• Developed & implemented Software Release Management strategies for applications as per the agile process
• Developed build and deployment scripts using ANT & MAVEN in Jenkins to move from one environment to other; involved in editing the existing ANT/MAVEN files in case of errors or changes in the project requirements.
• Developed Perl & Shell scripts for automation of the build and release process
• Involved in projects that move to production and work closely with Data Center, Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes
• Installed/Configured/Managed Jenkins Continuous Integration Automation, Nexus Repository Manager and all the Repositories
• Created & maintained the Shell/Perl deployment scripts for TC Server/Tomcat web application servers
• Imported & managed multiple corporate applications into Subversion (SVN)
• Involved in Plugin Management, User Management, Build/Deploy Pipeline Setup and Job Setup of the projects
• Written make, Maven & Ant build tools for application layer modules; created Release process of the artifacts.
• Developed & maintained processes; associated scripts/tools for automated build, testing & deployment of products
• Built and Deployed Java/J2EE to web application server in Agile continuous integration environment and automated process using JENKINS as CI tool & JIRA as ticket tracking, change management & Agile/SCRUM tool

Environment: Subversion (SVN), Jenkins, Java/J2EE, ANT, MAVEN, CHEF, TC Server, Tomcat, Perl Scripts, Shell Scripts, XML, UNIX, Windows 7, Oracle, JIRA

Build and Release Engineer

Confidential, Atlanta, GA

Responsibilities:

• Worked with DevOps team in delivering new agile environment and build, release, configuration & deployment automation; automated JBOSS configuration and deployment using various Perl /Shell scripts
• Involved in troubleshooting & infrastructure setup; used Atlassain Confluence wiki to document everything
• Used Jenkins for enterprise scale infrastructure configuration and application deployments - checking out the code from SVN/Git and used ANT/Maven to build War/Ear artifacts
• Involved in configurations and applications using Python scripts, used Chef for JBoss environments
• Resolved various Infrastructure & Application issues raised in JIRA tickets by DEV/QA teams
• Worked with integration endpoints like F5 Load Balance, Apache, Tomcat, Ldap, Data power ESB for web services integration; integrated Ldap in Siteminder Console and creating trusted hosts for Web servers
• Worked on Quick Installation and configuration of JIRA, Built dashboards for Release views
• Provided secured mutual authentication between multiple vendor products using SSL
• Installed & configured also provided support with Apache, JBoss, Web Sphere Server ND & Web Sphere MQ on Linux for high profile projects
• Configured web-server interfaces (plugin file, mod jk, mod cluster), session management, virtual hosts, data sources, HTTP transports for Application Server instances and applications
• Performed Application-data backup & recovery, local backup/restoration of the Web Sphere

Environment: Jenkins, Maven, Ant, JBoss, Apache, Web Sphere, Linux operating system.

Release Engineer

Confidential

Responsibilities:

• Provided centralized software configuration for enterprise applications in multi-tiered high-availability environment
• Provided configuration services on multiple platforms in the test environment running on one or more IT Platforms like Maven, Client/server, Jenkins, MS Build, Microsoft Windows NT, OS/390, UNIX
• Completed software builds & elevations, created directories & security groups, and recreated prior versions
• Monitored software, hardware, middleware updates using Jenkins/Hudson, Ant, MS Build, and Subversion
• Maintained & administered source code archives database like Source Repository for version management of source code including Subversion (SVN) & Bug Reporting for adding users/ fields and changing permission
• Installed tools for internal clients, and monitored compliance & usage
• Automated builds & deployments of business-critical customer-facing J2EE web applications into Web sphere 6.x application server environment on Solaris 10 platform
• Developed build & deployment standards with input from development, IT/operations, and IT security
• Evaluated build automation tools Open Make & AntHillPro and configured & deployed AntHillPro in Solaris 10 with zones/containers, using Oracle database and CVS servers & repositories; configured services using SMF & XML
• Automated manual build and deployment processes with AntHillPro, deployed to development, QA, & staging environments with multiple physical targets and multiple zones/containers per target

Environment: SVN, ANT, Maven, Jenkins, Hudson, Windows, Eclipse, SVN Importer, Team-City, Anthill-Pro