Management Manager

MURALI

Cary, NC 919-***-**** ac1mkh@r.postjobfree.com

PROFESSIONAL SUMMARY

Over all 8 years of experience working in Information Technology Environment, Change/Configuration, Build and Release Management.

Actively hosted and participated in Change Control, Agile, Production readiness and application release meetings throughout the Application life cycle Management (ALM)process

Strong technical background in UNIX and Linux systems and networking technologies including VPN, IPSec, DNS, TCP/IP, SSL, DHCP and Load Balancing.

Expertise in creating DevOps strategy in a various distribution of LINUX and Windows alongside using DevOps tools suites like Subversion(SVN), GIT, CVS, ANT, Maven, Jenkins, Bamboo, TeamCity, Chef, Puppet, Docker, Docker Swarm, Kubernetes, Nexus, Artifactory, Nagios and Splunk in traditional environments, as well as cloud environment like AWS, OpenStack and Azure.

Experience in architecting and managing AWS cloud infrastructure.

Experience on AWS cloud services like EC2, S3, RDS, ELB, EBS, VPC, Route53, auto scaling groups, CloudWatch, CloudFront, IAM for installing configuring and troubleshooting on various Amazon Images.

Experience in Migrating a production infrastructure into an Amazon Web Services utilizing AWS Cloud formation, Code Deploy, Code Commit, Chef, EBS and OpsWorks.

Virtualize the servers on AWS using the Docker, create the Docker files and version control.

Configure and deploy AWS Lambda service to run codes in response to events and automatically manage resources.

Created VPN connection, Create VPC peering between many VPC's in AWS.

Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform.

Managed AWS infrastructure as code using Terraform, Expertise in writing new plugins to support new functionality in Terraform.

Experience Azure Platform Development, Deployment Concepts, hosted Cloud Services, platform service and close interface with Windows Azure Multi-Factor Authentications.

Experience in Virtualization technologies like VMware, Vagrant and worked with containerizing applications like Docker.

Experience with container based deployments using Docker, working with Docker images, Docker Hub and Docker registries and Kubernetes.

Expertise in using the configuration management tools like Ansible, Chef in large environments.

Experience in configuring and monitoring distributed and multi-platform servers using Chef, workstation to manage and configure nodes and developing Chef Cookbooks and Recipes.

Experience in using Puppet to automate repetitive tasks, quickly deploy critical applications and proactively

Experience in creating Jenkins pipeline jobs for Puppet release process for module deployment, using Kanban agile methodology for puppet development.

Experience with metrics/monitoring tool like ELK stack (elasticsearch logstash kibana) for API Dashboard

Extensively worked on Jenkins and Hudson by installing, configuring and maintaining the purpose of Continuous Integration (CI) and for End-to-End automation for all build and deployments and in implementing CI/CD for database using Jenkins.

Good knowledge and hands on Experience in some monitoring tools like Splunk, Nagios etc.

Extensive experience with software Build automation and standardization tools like ANT, Maven.

Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GitHub, Subversion (SVN) and TFS on Linux and windows platforms. Maintained and administered GIT source code tool. Imported and managed multiple corporate applications into GitHub code management repo. Creating user level of access for related GitHub project directories to the code changes.

Experienced in build and deployment of Java applications on to different environments such as QA, UAT and Production.

Familiar and Worked on various Operating Systems like UNIX, Linux and Windows.

Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers

Linux/Unix system administrator on Redhat EL 4.x, 5.x, 6.x, Debian, CentOS 4.x,5.x,6.x, suse, Oracle Enterprise Linux, FreeBSD, Solaris 8,9,10 and VMware V-sphere ESX/ESXi environment.

Actively Involved in Building and configuring of red hat Linux and Solaris 9/10 servers remotely using Kick Start Servers.

Experience on Scripting languages like Ruby, Shell Scripts, Python for automating tasks.

Strong ability to troubleshoot any issues generated while building, deploying and in production support.

Excellent Interpersonal Skills, proven Team Player with an analytical bent to problem solving, delivering under high stress environment and ability to work independently and as a part of team.

TECHNICAL SKILLS

Operating System

Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, HPUX11i V1, V2 & V3, Ubuntu 12/13/14, Windows NT /2000/2003, DEBIAN.

Application Servers

Web Logic Application server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBoss 4.22. GA Web Sphere 6.x/7.x/8.x

Automation Tools

Jenkins, chef, Puppet, Ansible, Docker, Vagrant, Terraform, Maven, ANT

Version Control Tools

GIT, Subversion, CVS

Web Servers

Tomcat, APACHE 2.x, 3.x, JBOSS 4.x/5.x, Web Logic (8/9/10), Web Sphere4.0/5.0

Networking/Protocol

DNS, DHCP, CISCO Routers/Switches, Palo alto, WAN, TCP/IP, NIS, NFS, SMTP, LAN, FTP/TFTP, Juniper, Cisco

Scripting

Perl, Python, Ruby, Bourne, Node.js, Bash shell, Power shell scripting

Virtualization Technologies

VMWare ESXi, Windows Hyper-V, Power VM, Virtual box, Citrix Xen

Cloud Environments

AWS, Azure, OpenStack

Volume Manager

VERITAS volume manager, LVM with Linux

PROFESSIONAL EXPERIENCE

Sr. Cloud/DevOps Engineer

UHG – Cary, NC March 2016 to Present

Responsibilities:

Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Trouble shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (Red Hat Linux) Systems

Responsible for maintaining Infrastructure in AWS(Cloud) by migrating Physical Linux servers to Cloud.

Build servers using AWS: Importing volumes, launching EC2, creating security groups, auto-scaling, ELB, Route 53, SES, RDS and SNS in the defined virtual private connection.

Creating alarms in CloudWatch service for monitoring the server's performance, CPU Utilization, disk usage etc.

Managed highly available and fault tolerant systems in AWS, through various API's, console operations and CLI. Managed AWS infrastructure as code using Terraform.

Worked with AWS Cloud Formation Templates, terraform along with Ansible to render templates and Murano with Heat Orchestration templates in Openstack Environment.

Worked on integrating AWS DynamoDB using AWS Lambda to store the values the items and backup the DynamoDB streams.

Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby and Docker on familiar servers like Apache.

Implemented app logging service using logging tools, such as Splunk and developed and deployed stacks using AWS cloud Formation templates.

Used Bash and Python, to supplement automation provided by Ansible and Terraform for tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.

Worked on deployment and configuration of Pivotal Cloud Foundry on different cloud providers like VMWare VSphere and Microsoft Azure.

Managing Client's Microsoft Azure based PAAS, SAAS and IAAS environment

Automating in Azure for creation of subscription, Storage Account and tables using Windows PowerShell.

Setup Docker to automate container deployment through Jenkins and Dealt with Docker Hub, making Docker Images and taking care of various Image essentially for middleware establishments and space setups.

Maintain and support Docker containers running on Linux machines.

To achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing tool Nginx.

Build and automate infrastructure deployments in Azure cloud using PowerShell-ISE.

Deploy and administer Windows Server and SQL Server resources in Microsoft Azure.

Working with the ELK (Elastic Search, Logstash, Kibana) stack to analyze log data obtained from Microsoft Business Intelligence tools.

Implementing a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment

Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.

Built Puppet manifests and bootstrap scripts to allow us to bootstrap instances to various roles without having to maintain AMIs.

Migrated configuration management from Puppet to Chef.

Managed Chef Cookbooks to automate system operations and AWS Cloud management.

Supporting Chef Environment with 500+ servers and involved in developing manifests.

Designed and implemented CI (Continuous Integration) system: configuring Jenkins servers, Jenkins nodes, creating required scripts (Perl & Python), bash scripts and creating/configuring VMs.

Automated the cloud deployments using Puppet, python (boto & fabric) and AWS Cloud Formation Templates.

Used Jenkins and pipelines which helped us drive all microservice builds out to the Docker registry and then deployed to Kubernetes.

Used Kubernetes to deploy and manage containers (pods).

Created private cloud using Kubernetes that supports development, test and production environments.

Managed local deployments in Kubernetes, creating local cluster and deploying application containers.

Used Kubernetes to deploy scale, load balance and manage Docker containers with multiple namespace ids.

Created scripts for system administration and AWS using languages such as BASH and Python.

Installing, configuring and administer Jenkins CI tool on Linux machines.

Developed and implemented Software Release Management strategies for various applications according to the agile process.

Created Jenkins builds and deployed to application server using udeploy for java, and .NET applications.

Developed build scripts using ANT and MAVEN as the build tools for the creation of build artifacts like war or ear files.

Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.

Assisted internal users of Splunk in designing and maintaining production quality dashboards.

Analyze and resolve conflicts related to merging of source code for GIT.

Implemented the setup for Master slave architecture to improve the Performance of Jenkins.

Lead and provide technical assistance and/or training in using Jira and Confluence and other tools as identified.

Experience on using Routed Protocols such as DNS, FTP, SFTP, SSH, HTTP, HTTPS and Connect direct.

Expertise in Querying RDBMS such as Oracle, MY SQL and SQL Server by using PL/SQL for data integrity.

Involved in the functional usage and deployment of applications in WebLogic, WebSphere, IIS and Apache Tomcat Server.

Environment & Tools: Jenkins, GIT, Scala, Maven, Ant, Chef, Puppet, AWS (EC2, EFS, S3, VPC, Code Deploy, Code Commit, Elastic search, Lambda, API Gateway, Route 53 (DNS), ECS, Cloud Formation, RDS, Dynamo DB, Load Balancers, CloudWatch, SNS, SES, SQS, IAM, RedShift, Ops Works), Openstack, Jira, Shell Scripting, Splunk, Tomcat, WebLogic, WebSphere, Nexus, Kubernetes, Docker, UNIX, Linux and Windows.

Cloud/DevOps Engineer

Citi – New York, NY February 2014 to February 2016

Responsibilities:

Worked as Linux Administrator for Linux servers running different business applications.

Experience in Amazon Web Services (AWS) provisioning and good knowledge of AWS services like EC2, S3, Glacier, ELB (Load Balancers), RDS, SNS, SWF, OpsWorks, Auto scaling groups, Optimized Volumes, AZ VPC instances, LAMBDA and EBS etc.

Designed and worked with team to implement ELK (elastic search, log stash and Kibana) Stack on AWS.

Used advanced search engine ELK (Elasticsearch, Logstash and Kibana) to process large datasets and visualize the results based on aggregations and filters on structured and unstructured fields.

Using CloudTrail tools for AWS security and scanning.

Deploying of Hadoop cluster on AWS EC2 instances and connecting data with S3 or data warehouses.

Managed Ubuntu Linux and Windows virtual servers on AWS EC2 using Open-Source Chef Server.

Configure and deploy AWS Lambda service to run codes in response to events and automatically manage resources.

Wrote Cloud Formation templates and deployed AWS resources using it.

Worked on AWS OpsWorks in integration with Chef Configuration management tool to maintain infrastructure.

Used AWS Elastic Beanstalk for deploying and scaling web applications and services developed with java, PHP, Node.js, Python, Ruby and Docker on familiar servers such as Apache.

Automated Cloud deployments using Chef, Python and AWS Cloud Formation Templates. Migrating an existing on-premises application to AWS. Compliance standards like HIPAA, FINRA etc and automate the same using Cloud Formation and Terraform.

Deployed Docker Engines in Virtualized Platforms for containerization of multiple applications.

Virtualized the servers using the Docker for the test environments and dev-environments needs and configuration automation using Docker containers.

Extensively used Ruby scripting on Chef Automation for creating cookbooks comprising all resources, data bags, templates, attributes.

Manage the configurations of more than 40 servers using Chef, configured Jenkins builds for Continuous Integration and Delivery.

In depth knowledge on Chef Properties such as OHAI, Knife, Handlers, Chef Client plugins.

Involved in configuring and maintain the Chef client, Chef node into Red hat, Ubuntu Linux machines, establishing connection between the client and node in client server model.

Worked on using Chef Attributes, Chef Templates, Chef Recipes, Chef Files for managing the configurations across various nodes using RUBY, Practical understanding and experience in scaling Chef with 100's of agents and few Chef Servers.

Implemented rapid provisioning and life cycle management for RedHat Linux using kickstart.

Written/Developed Chef Cookbooks to automate the entire deployment process as well as infrastructure admin tasks.

Used Puppet MCollective to interact with clusters of different servers for continuous deployments.

Developed puppet manifests for different application and web servers like Apache, Tomcat, Nginx, WebLogic applications

Used Mcollective for identifying post naming conventions instead of rich set off meta data. Written reports about our infrastructure using Puppet MCollective.

Implemented Jenkins Workflow and Plugins for repeatable deployments of multi-tier applications, artifacts and services to Docker, and Red Hat.

Possessing strong knowledge in Ant and Maven build tools and implementing it with Jenkins.

Installation of and customization of JIRA for workflow.

Worked with administrators to ensure Splunk is actively and accurately running and monitoring on the current infrastructure implementation.

Deployed Git - Jenkins -AWS pipeline to automate the building of AWS infrastructure.

Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming

conventions using GIT source control.

Monitored Linux server for CPU Utilization, Memory Utilization, and disk Utilization for performance monitoring.

Environment& Tools: AWS EC2, S3, VPC, Route53, Terraform, Cloud Formation, OpsWorks, Lambda, ELK, Puppet, Puppet MCollective, Chef, Docker, Kubernetes, Maven, ANT, GIT, SVN, JIRA, Confluence, Shell Scripting, Jenkins, Splunk, Linux, PHP, Python, Node.js, Ruby, Apache, Nginx, WebLogic RHEL, CentOS.

DevOps Administrator

United Airlines, Inc. – Chicago, IL January 2012 to January 2014

Responsibilities:

Solid understanding of Linux shell and Perl scripting, UNIX, Windows, build and release engineering principles.

Automation of OS builds and Application Installation through Puppet and Chef. Nagios for application and hardware resource monitoring. Writing new plugins in Nagios to monitor resources.

Manage deployment automation using Puppet, Roles, Profiles, MCollective, Hiera, and Custom Puppet modules, Ruby.

Used Puppet to manage Web Applications, Configuration Files, Database, and Packages.

Implemented Puppet modules for server housekeeping. Built a new CI pipeline. Testing and deployment automation with Docker, Jenkins, and Puppet.

Implemented continuous integration using Jenkins, Packer.

Created a best practice Build environment using Jenkins, Packer, immutable instances, and Azure.

Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Failover functionalities.

Developed and executed Shell scripts and worked on Python Scripting in different projects for automation of regular repeating tasks.

Implemented rapid provisioning and life cycle management for RedHat Linux using kickstart.

Expertise in using build tools like MAVEN for the building of deployable Artifacts such as War & Ear from Source Code.

Apache Maven is used as build tool and Artifactory is used as a source for artifacts needed for a build, and a target to deploy artifacts generated in the build process.

Dealt with errors in pom.xml file to obtain appropriate builds using maven build tool.

Monitoring the hosts and networks using NAGIOS, Iostat, VMstat, MPstat and Other Tools

Eliminated extended downtime of network and processes by installing and configuring a Nagios server to monitor Windows/Centos / RHEL servers.

Configured CI, CD (Continuous integration/Deployment) pipe line for the automatic deployment of artifacts/application to the required servers or environments in Jenkins CI, and Clean for the new build process whenever code commits are done to SCM tool GIT.

Developed GIT hooks for the local repository, code commit and remote repository, code push functionality and on GIt Hub.

Created branching & tagging strategy to maintain the source code in the GIT repository and Coordinated with developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.

Installed, configured and maintained web servers like Apache Web Server and WebSphere Application Server on Red Hat Linux.

User, Group creation, monitoring and maintaining log for system status/health using Linux commands and Nagios system monitor.

Configured kickstart server and updating/applying patches to the servers using Red Hat Satellite server.

Deployed Red Hat Satellite Server with custom repositories to provide a stable management solution for Linux environment.

Configured Kickstart servers to install Red Hat Linux and VMWare ESX on multiple machines.

Environment& Tools: AWS, RTC, GIT, Subversion, Apache Tomcat, Bamboo, Jenkins, Packer, Maven, Docker, Puppet, Confluence, Artifactory, Rally, Jira, Perl, Python, Shell Scripts, Unix, Red Hat Linux 3.x, 4, Sun Solaris server, Windows, NFS, LVM, RAID, VMWare ESX, WebSphere, Apache Web Server, Nagios, VMstat.

Sr. Linux Administrator

Vistex Asia Pvt Ltd – Hyderabad, India September 2010 to December 2011

Responsibilities:

Provided 24x7 System Administration support for 300+ Red Hat Linux 3.x, 4. X servers and resolved trouble tickets on shift rotation basis.

Developed Linux, UNIX, Perl and Shell Scripts and AWT programming for manual deployment of the code to various environments.

Experienced in scripting for automation and monitoring using Shell, Bash and KSH.

Updated YUM Repositories and Red Hat Package Manager (RPM).

Installed, configured and maintained DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+, RPM.

Installed and configured of hardware and Linux like SUSE and RHEL 5/6 on x86 servers.

Build servers, configured, installed tools, installed patches and transitioned servers to production support.

Experience supporting Red Hat Cluster and Oracle RAC environment running Oracle databases in High Availability.

Involved in automation of Linux using kickstart on Physical and VMWare ESX VM's.

Experience in managing EMC arrays and provisioned SAN disks to Linux and Solaris arrays.

Performed OS upgrades for critical servers under production.

Experience in creating file systems on LVM, VxVM on Red hat Linux and HPUX.

Performed various file system changes to accommodate upgrades in applications, services and databases.

Experience configuring Open LDAP and setting up clients for Open LDAP.

Involved in decommission of the servers which reached end of life and performed SAN migrations using LVM and EMC tools.

Expert in Upgrades, installs, configuration and administration security and monitoring tools on Linux.

Installed patches and packages installation on Linux/Unix Environment.

Experience in Linux kernel configuration and upgrade.

Implement, maintain and support reliable, timely and reproducible builds for project teams.

Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant's build.xml.

Responsible for scheduling jobs using crontab.

Environment: Red Hat Linux 3.x, 4, Sun Solaris server, NFS, LVM, RAID, Opsware, Crontab, ANT, Python, LDAP, Oracle RAC.

System Administrator

Convergys – Pune, India April 2009 to August 2010

Responsibilities:

Performed installation, configuration and administration of system network components (Windows Server, Active Directory, Cisco routers, VPN connectivity, DHCP, SMTP, LAN /WAN, NAT, IPsec VPN, FTP, POP, IMAP, NIC’s, WIC’s).

EXCHANGE Server, MSSQL management. Server and workstation upgrades, backup and disaster recovery, monitoring, user account setup and security administration.

Managed, backup and restore of FortiGate 600C firewall. Ensured Data and File Security for Reports generated using Seclore End protection.

Managed RingCentral® (SaaS and VoIP) IP based calling for business communication.

Assisted in IT Audit for including Security policies and Inventory management.

Developed Perl and shell scripts for automation of the build and release process.

Developed automation scripting in Python to deploy some applications.

Used ClearQuest as Ticketing Tracking tool.

Created analytical matrices reports for release services based on Remedy tickets.

Trained offshore team for knowledge transfer.

Responsible for configuring and managing Squid server in Linux.

Install, upgrade and manage packages via RPM and YUM package management.

Installed Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux Systems.

Install, configure and support Apache on Linux servers.

Authorized Solaris users/groups to access various applications and troubleshot various user problems using management tools.

Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, UAT/Staging.

Worked in Data center environment for racking servers and configuring new Hardware.

Environment: Red Hat Linux 3.x, 4, Sun Solaris server, Windows, NFS, LVM, ClearQuest, Crontab, ANT, Python, Perl, Shell, Apache.

Contact this candidate