Harish

Email id: adjdbs@r.postjobfree.com Ph No: 515-***-****

DevOps & Cloud Engineer/Linux Administrator

PROFESSIONAL SUMMARY

Overall, 6+ years of IT industry experience as System Administrator, DevOps, and production support of various applications on Red Hat Enterprise Linux, CentOS, Debian, Ubuntu and skilled with Windows Server 2008-r2/2012-r2 on various hardware platforms and AWS cloud.

Experience with AWS Cloud services like EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, Redshift, IAM, Route 53, Auto scaling, Cloud Front, Cloud Watch, Lambda, Cloud Formation, Security Groups.

Experience in working on source controller tools like GitHub (GIT), Subversion (SVN) and have an experience on software build tools Apache Maven and Ant.

Designed end to end automation of infrastructure and continuous delivery of the applications by integrating Cloud Formation scripts, Jenkins, CHEF-Cookbooks& Recipes and AWS.

Designed, configured, and deployed Microsoft Azure for a multitude of application s utilizing the Azure stack includes Compute, Web & Mobile, Blobs, ADF, Resource Groups, Azure SQL DW, Cloud Services, and ARM, focusing on high-availability, Disaster Recovery, fault tolerance, and auto-scaling.

Experience in installing, configuring, upgrading and managing 3-tier architecture using different types and versions of servers like Apache Tomcat, Nginx, WebLogic and MySQL database through CI/CD orchestration.

Deployed different applications on multi cloud environment using Terraform to create environment required for high availability and to handle cross cloud dependencies.

Monitor the Splunk infrastructure for capacity planning optimization and Support on Unix, Linux and Windows-based platforms.

Experience with Cloud Service Providers such as Amazon AWS, and Google GCP

Constructed PowerShell script applications and HTA applications for technicians to use as tools to improve efficiency in managing boot media cloning and manual software installations.

Installed, configured, and managed Red hat enterprise Linux, administered

Working experience in Core Java, XML, SQLSERVER, DB2, REST webservices

Expertise in handling application development life - cycle involving requirement analysis, system study, designing, coding, de-bugging, testing & documentation using C / C++ on Linux & Windows.

Used Spring Kafka API calls to process the messages smoothly on Kafka Cluster setup

Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, AWS CLI.

Experience in System Administration, Configuration, upgrading, Patches, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring, and Fine-tuning on UNIX & LINUX Systems.

Created functions and assigned roles in AWS Lambda to run python scripts, and AWS Lambda using java to perform event driven processing.

Created and used Ansible Playbooks in Ansible Tower and integrated Ansible tower with Jenkins to deploy code to different servers.

Provide SME in all areas of cloud (IaaS, PaaS, SaaS) to existing and perspective clients on multiple cloud platforms vSphere, vCloud, Cloud Stack, Azure, AWS and various PaaS platforms such as Cloud Foundry and OpenShift.

Configured and administrated agile tools like JIRA and Rally for defect management, project management, bug tracking, story/epics and planning iterations.

Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, scrum, and Waterfall methodologies. Developed advanced web-based applications using JavaScript, Groovy Web Services and Databases like Oracle, MS-Access, and SQL Server.

EDUCATION

Bachelor’s- Computer Science – JNTU Kakinada University, India

Master’s – Information Technology – Colorado Technical University, Co

TECHNICAL SKILLS

Operating Systems

RHEL/CentOS 5/6/7, Ubuntu/Debian/Fedora, Sun Solaris 7/8/9/10, Windows Server 2003/2008/2012

Virtualization

VMware, virtual box

Languages

C#, Java, Shell scripting, Python, PowerShell, Ruby

Networking

HTTP/HTTPS, FTP, NFS, SMB, SMTP

Build/Automation

Ansible, Chef, Puppet, Jenkins, Maven, Ant

Web/Application Servers

Apache, JBoss, Tomcat, WebSphere Application Server

Databases

MS SQL server 2008, Oracle, PostgreSQL, NoSQL

Monitoring tools

Nagios, Splunk, AppDynamics

Cloud Services

AWS, MS Azure

PROFESSIONAL EXPERIENCE

Client: Principal Financial Group – Des Moines, IA May 2019- Present DevOps Engineer/Azure Engineer

Deploying applications on the Azure platform by developing ARM templates and triggering it through Azure. Managing multiple Azure subscriptions in automating the Azure VM provisioning, Blob storage, file blobs, Azure disks for the Azure VM.

Designed DevOps workflow for multiple applications by orchestrating Test, Build, Release and Deploy phases through various CI/CD pipelines using Git, Gitlab, Docker, Jenkins, Ansible & Cloud formation tools.

Automated Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.

OpenShift virtualized PaaS provider - useful in automating the provisioning of commodity computing resources for cost and performance efficiency

Experience in Designing and implementing scalable cloud-based web applications using AWS and GCP.

Used Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes

Snowflake data platform deployed at High Tech - Networking (Juniper Networks), Retail migration, Construction, Many Snowflake POCs - SaaS (ServiceNow).

Experience in implementing using one or more Azure PaaS services like web sites, web/worker roles, SQL Azure database, storage, service bus, WebJobs, cloud services, Remote Apps etc.

Exposure in writing Groovy and Ruby scripts for automation of build and infrastructure automation

Used IAM to create new accounts, roles and groups and polices and developed critical modules like generating amazon resource numbers and integration points with S3, Dynamo DB, RDS, Lambda.

Used Jenkins as Continuous Integration tools to deploy the Spring Boot Microservices to Pivotal Cloud Foundry (PCF) using build pack.

Assisted in the installation and configuration of an on-premises private cloud running on PKS, NSX-T and Kubernetes

Closely worked with Kafka Admin team to set up Kafka cluster setup on the QA and Production environments

Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration

Implemented Micro-services using Pivotal Cloud foundry (PCF) platform build upon Spring Boot Services and created workflows on TeamCity for setting up automated pipelines for CI/CD with PCF.

NetBackup, Active Directory, LDAP Directory services, Domain Name Services “DNS”, Windows Internet Name Service “WINS”, and Dynamic Host Configuration Protocol “DHCP

Developed, reviewed and updated Information Security System Policies, established security baselines in accordance with NIST, FISMA, FIPS, and industry best security practices

Software experience in Golang, Python, C/C++, Groovy on Linux, Linux kernel, Qt, QML Cross-platform and embedded systems

Implemented workflow actions to drive troubleshooting across multiple event types in Splunk

Experience with Azure transformation projects and Azure architecture decision making Architect and implement ETL and data movement solutions using Azure Data Factory (ADF)

Explained to executive-level personnel on how PCF is the key component for a meaningful digital transformation

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

Resolved update, merge and password authentication issues in Bamboo and JIRA and kept track of all releases and request of the developers through infrastructure management tool

Interacted with various user groups for gathering the Requirements for Salesforce CRM implementation

Intersystem Cache database administration including installation and upgrade of cache software, patching and upgrades backups and recovery.

Managing the OpenShift cluster that includes scaling up and down the AWS app nodes.

Implementing a Continuous Delivery framework using Jenkins, Octopus and Maven in Red hat Linux environment

Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages

Resolved infrastructure issues related to WebSphere application server v 7.0 and IBM HTTP server 6.1,7.0, Spring source Tomcat server 6.0 and apache tomcat 2.2 and 2.4.

Experience in Micro services development using spring boot and deployment in Pivotal Cloud Foundry.

Implemented Kafka Security Features using SSL and without Kerberos. Further with more grain-fines Security I set up Kerberos to have users and groups this will enable more advanced security features.

Hands-on experience in creating Lambda Functions to test the data consistency in S3 by using the hashing and directed consequent results to respective SNS topics. Utilizing the AWS Cloud Formation, AWS OpsWorks, Code Deploy to migrate the on-premises environment to AWS cloud.

Implemented Automated Test for Salesforce end-to-end testing along with regression, which is a first amongst Salesforce implementations across several large enterprises

Implemented Continuous Integration and Continuous deployment using various CI Tools like Jenkins, Bamboo, and Sonar type Nexus

Perform vulnerabilities scan and monitor continuously using NIST 800-137 as a guide with the aid of Nessus

Provisioned and maintained Amazon AWS server provisioning via Ansible, including the provisioning of the instances, ELBs, DNS, along with contribution of code to the Jenkins-AWS module on Gitlab, GitHub.

Wrote PowerShell scripts to automate common activities and tested of Private could in Microsoft Project.

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

Experience in integrating code quality tools such as SonarQube, in CI/CD pipelines.

Responsible for Configuring Cloud platform with Virtual Networks Multi-site, Cross-site, VMs, Azure AD, Load Balancers, Azure SQL and Cloud Services. Developed Cloud Formation scripts and utilized Cloud Formation Templates (CFT) to automate launch of EC2 instances and deploying AWS resources using those templates

Involved in development of test environment on Docker containers and configuring the Docker containers using Kubernetes.

Developed new application and added functionality to existing applications using Java/J2EE technologies

Created Snowflake Schemas by normalizing the dimension tables as appropriate, and creating a Sub Dimension named Demographic as a subset to the Customer Dimension

Developed and tested MS Dynamics CRM client-side programming using (JavaScript / JSON / jQuery / HTML) using the Microsoft Dynamics CRM Customization SDK Tool Kit.

Wrote and modified Ansible and Terraform scripts for creating subnets, security groups, route tables, ACL’s for VPC creation, Route 53 and DNS creation for servers in instances.

Assist with design of core scripts to automate SPLUNK maintenance and alerting tasks and support on UNIX, Linux and Windows-based platforms to assist with automation process.

Worked Extensively on building and maintaining clusters managed by Kubernetes, Linux, Bash, GIT, Gitlab, Docker, on GCP.

Create and configured the continuous delivery pipelines for deploying Micro services and lambda functions using Jenkins CI.

Implemented automated local user provisioning in instances created in OpenStack cloud through Ansible Play book. Worked on Platform as a service (PaaS) and according to the requirement deployed open-source Cloud Foundry on vSphere and installed Cloud Foundry on AWS and Open stack.

Configuration handling JIRA, Confluence, JIRA Agile and Provided ongoing support and configuration for JIRA projects, workflows, screens, fields, permissions, and other administrative tasks.

Client: Comcast – Denver, CO Mar 2017 – May 2019

DevOps /AWS Engineer

Provisioned Web server such as Apache and IIS to deploy and scale services developed with Java, Python, Ruby, Groovy,PHP and Node.js in the AWS cloud using Elastic Beanstalk.

Worked with configuration management and automation tools such as Ansible or custom-built, designing cloud-hosted solutions, specific AWS product suite for managing Amazon Web Services (AWS) infrastructure.

Configured AWS Code Pipeline to automate Node.js application building and deployed to multi-zone AWS EC2 instances with autoscaling.

Successfully transitioned the support of the corporate DNS, DHCP and proxy infrastructure to a new team, training and documenting all management and change processes

Allocated AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances. Provisioned Elastic Cloud Compute (EC2) instances in a multi-tier environment with different security settings.

Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier. Used IAM to create new accounts, roles and groups.

Used Terraform and did "Infrastructure as code" and modifying terraform scripts as and when configuration changes happens.

Responsible for installation & configuration of Jenkins to support various Java builds and Jenkins plugins to automate continuous builds and publishing DOCKER images to the Nexus repository.

Implemented Java based microservice architectures operating on AWS EC2 and Lambda instances to facilitate new SaaS product offerings.

OpenShift virtualized PaaS provider useful in automating the provisioning of commodity computing resources for cost and performance efficiency.

Setting up environment for CMS Non-Prod and Prod, VPS, IAM Role Policy, S3, Lambda, SSL Configuration with Akamai, CloudFront - S3 Custom policies

Experienced in DNS, NFS, CIFS, FTP, NIS, Samba Server, Tomcat & Apache servers, LDAP, remote access, security management, and system troubleshooting skills.

Provide SME in all areas of Cloud (IaaS, PaaS, SaaS) to existing and perspective clients on multiple cloud platforms vSphere, vCloud, Cloud Stack, Azure, AWS, and various PaaS platforms such as Cloud Foundry, OpenShift.

Implement Python and PowerShell and Groovy scripts for the automation of the cloud deployments on Linux and Windows Servers.

Extensive experience in defining the Infrastructure as a code (IaaC) using AWS CloudFormation template service and Terraform. Developed Python scripts to install and configure services as part of the init scripts.

Integrated Jenkins with various DevOps tools such as GitHub, Gradle, Maven, Nexus, Artifactory, SonarQube, Chef, and Puppet for a Continuous Integration and Delivery environment and used CI/CD system of Jenkins on Kubernetes container environment.

Creating and testing Salesforce CRM Workflows, Approval Processes, Validation Rules and Sharing & Security rules

Automated development environment provisioning using Vagrant and Chef. Wrote Chef cookbooks to automate the creation of ephemeral nodes installed with standard toolsets Java, Tomcat/Jetty, Apache, as well as install platform HTTP services.

Created database tables that can store and retrieve any amount of data and serve any level of request traffic using DynamoDB. Worked on NoSQL database Cassandra.

Configured and administrated monitoring tool ELK (Elastic Search, Log stash, Kibana) to monitor the puppet agents and monitoring of IBM Tivoli Netcool/Webtop for active alerts and resolving the incidents.

Worked on installing Docker using Docker toolbox and creation of custom Docker container images, tagging and pushing the images. Carried out deployments and builds on various environments using Ansible continuous integration (CI) tool.

Client: Sahasya Global Solutions – Hyderabad, India July 2014 – July 2016 Build and Release/System Administrator

Good experience in writing Bash, PowerShell, and python scripts to automatically restart the Octopus agents on Windows Server machines and Linux severs.

Actively involved in architecture of DevOps platform and cloud solutions. Worked on designing and deploying multitude applications using most of the AWS stack (like EC2, Route53, S3 buckets, RDS, Dynamo DB, SNS, SQS, IAM, VPC, EBS) focusing on high-availability, fault tolerance and auto-scaling.

Developed project plan, served as primary task resource, implemented, and migrated domain from Windows 2008 to Windows 2008 R2

Installed and configured environment in WLS using WebLogic server. Worked on Web Server and WebLogic consoles for non-critical fixes. Involved in installation, configuration, and maintenance of the WebSphere application server on AIX environment.

Created volume groups and logical volumes from physical volume and managed the partitions of memory. Efficiently managed RAID (0,1,10,01,5,6) levels and file system through LVM. Experience in installing Linux servers using Kickstart and Customized Scripts.

Managed users, groups, and permissions configured LDAP and given Sudo access in test and development servers. Allowed password less logins for authorized users on servers.

Setup of full networking services and protocols on RedHat Linux 5.x, including FTP, DNS, SSH, DHCP, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.

Implemented file sharing on a network by configuring NFS on the systems to share essential resources. Configured HTTPS, NTP, Installed and configured FTP to download and upload the files for clients

Maintained security of Linux systems serving as firewall, IP tables, SYSLOG and Logwatch. Performed Kernel and memory upgrades on Linux servers in Virtual environment and managing the swap memory.

Troubleshooting and resolving network related issues using various network commands like NSLOOKUP, TELNET, TRACEROUTE, PING. Tracking the system performance CPU Utilization, Memory Utilization, and Disk Utilization using various monitoring tool commands like TOP, IOSTAT, SAR, VMSTAT.

Performing installation, configuration, upgrades, Package administration and support for Linux systems on client side using RPM and YUM. Used various network protocols like HTTP, UDP, POP, FTP, TCP/IP, and SMTP. Worked on creating user accounts, user administration, local and global groups on UNIX platform.

Designed from scratch and led migration to a new 2008 R2 domain, including migration of all user’s accounts, computer accounts, and Exchange mailboxes

Resolved a history of problematic network failure by troubleshooting LAN/WAN connections between multiple stores for a regional retail chain

Used Junit for the unit testing of the application and deployed the artifacts stored in the Nexus to the Apache Tomcat Server and JBoss server.

Client: Yashoda Hospitals – Hyderabad, India May 2013 – June 2014 Linux System Adminstrator

Installation, configuration and management of RedHat Enterprise Linux 5.x, Windows Server 2003 Active directory. Configured and maintained HTTP, NGINX, NTP, SAMBA servers

Setup of full networking services and protocols on RedHat Linux 5.x, including FTP, DNS, SSH, DHCP, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality

Installing Hard Disks, Memory and installing new software releases, systems upgrades and

resolve software related problems.

Experience with scripting tools such as Powercli to automate repeatable tasks.

Administration of VMWare ESX farm, monitors the environment for stability, participates in design reviews and delivery of highly available and scalable infrastructure and server virtualization support.

Experience administering, configuring, and maintaining Red Hat Enterprise Virtualization (RHEV) for Red Hat Enterprise Linux (RHEL) operating system

Installed and configured hardware RAID card to achieve high availability and fault tolerance in event of disk failure using different RAID methods like Raid 1, Raid 01, RAID 5 and RAID 6.

Disaster recovery tests using DNS failover and failback of the applications. Installed and configured services such as HTTP, HTTPS, SSH, NTP, DNS, FTP, DHCP and NFS. Administrated Firewall rules and enabled/disabled port and services for the applications.

Deployed and configured, windows 2000/ 2003, Servers with DHCP, Active Directory Domain

Controllers, Group Policy, Internet, TCP/IP and Routing concept.

Process administration and management like monitoring, start/stop/kill various processes. Configuration and troubleshooting SSH and providing user level and system level trusting.

Troubleshooting and resolving network related issues using various network commands like NSLOOKUP, TELNET, TRACEROUTE, PING. Tracking the system performance CPU Utilization, Memory Utilization, and Disk Utilization using various monitoring tool commands like TOP, IOSTAT, SAR, VMSTAT.

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