Home

Jaya Reddy Singareddy - DevOps & SRE Engineer

[email protected]

Location: Alpharetta, Georgia, USA

Relocation: Yes

Visa: H1

Jaya Reddy Singareddy Tel: (470)-227-1127 Email: [email protected] Cloud & DevOps Engineer / Linux Aministrator PROFESSIONAL SUMMARY Over 9+ years of experience in IT industry with in Configuration Management, Change/Release/Build Management, System Administration, Support and Maintenance in environments like Red Hat Enterprise Linux, CentOS and expertise in automating builds and deployment process using Python and Shell scripts with focus on DevOps tools and AWS and Azure Cloud Architecture. Experience with AWS services EC2, VPC, ASG, EBS, ELB, S3, Route54, DynamoDB, RDS, EBS, SNS, CFT, CloudWatch and CloudFront on private, public and hybrid cloud infrastructure. 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. Knowledge on configuration and management of vSphere product suite like vCenter, ESXi and vSphere client to perform Snapshot, VMware vMotion, HA and DRS including vSphere update manager and VMware Data Recovery. Worked on AWS cloud environment to support multiple AWS EC2 instances and configured route tables, NAT, Elastic IP & elastic storage and implemented security groups to provide better security to the instance. Experience in the V2C and P2V migration of Physical servers to VMware ESXi hosts and worked with data center support team and vendor to perform physical server hardware upgrade and replacement activity. Deployed and configured Chef-Server including bootstrapping of chef client nodes for provisioning and created roles, recipes, cookbooks and uploaded them to Chef-Server, managed on-site OS, applications, services, packages using Chef as well as AWS for EC2, S3, Route53 and ELB. Experience in Installing, configuring, upgrading and managing CI/CD tools like Jenkins, Maven, Ansible, Chef, Puppet, GIT, GitHub, SVN, Nexus and Artifactory to build and deploy. 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 Kubernetes cluster on AWS using Kops with multiple master and various nodes to host Pods, defined deployments, pod definitions. Devised charts for various deployments and managed them using Helm. Worked on both central and distributed version control systems like Subversion (SVN), GIT and GitHub and integrated them with Jenkins, Hudson and Bamboo. Provide SME in all areas of cloud (IaaS, PaaS, SaaS) to existing and perspective clients on multiple cloud platforms vSphere, vCloud, CloudStack, Azure, AWS and various PaaS platforms such as Cloud Foundry and OpenShift. Expertise in writing automation and monitoring scripts in Shell, PHP, Python and Perl and wrote Shell and Perl scripts to automate deployment on WebSphere and WebLogic application servers. Experience in installation, configuration and management of services like DNS, DHCP, NTP, NFS, SSH, FTP, Apache, Nginx, LDAP, SAMBA, HTTPD, VSFTP, PROFTP, SMTP, SQUID, Active Director and Postfix. Worked on BigIP F5 LTM & GTM to load balance application and network traffic by applying round-robin algorithm and checking the health status of the backend servers by polling them at regular intervals using TCP, HTTP, HTTPS and SMTP. Experience in Installing, configuring and implementing the LVM, Hardware RAID, Software RAID, Passwordless login on different UNIX and Linux flavours. Experience in system administration, configuration, upgrading, patches, troubleshooting, security, backup, disaster recovery, performance monitoring and fine-tuning on UNIX & Linux Systems. Expert in network trouble-shooting using wireshark, tcpdump and OpenSSL with strong knowledge on CISCO switches and routers, Experience administering and configuring NoSQL Databases like Cassandra, MongoDB and RDBMS like MySQL and DB2. Worked on server health monitoring tools like ELK, Splunk and Nagios to keep track of server s CPU, memory, disk, temperature and other hardware components status. Configured and administrated agile tools like JIRA and Rally for defect management, project management, bug tracking, story/epics and planning iterations. EDUCATION Bachelor s in Computer Science & Engineering from Jawaharlal Nehru Technological University TECHNICAL SKILLS Operating Systems RHEL/CentOS 5.x/6.x/7.x, Ubuntu/Debian/Fedora, Solaris 7/8/9/10, Windows Server 2003/2008/2012 Build/Automation Ansible, Chef, Puppet, Jenkins, Maven, Ant Cloud AWS (EC2, VPC, EBS, S3, Glacier, AutoScaling, ELB, CloudFormation), Azure Languages Shell, Bash, Perl, Python, Groovy Databases MySQL, MongoDB Web/App Server Apache, IIS, HIS, Tomcat, WebSphere Application Server Bug Tracking Tools JIRA, Bugzilla Version Control GIT, GitHub, Subversion Web/Programming XML, HTML, Perl scripting, Python, Shell scripting, Ruby, YAML PROFESSIONAL EXPERIENCE US Bank Denver, CO Jan 2021 Till Date DevOps Engineer II Experience in implementing Continuous integration (CI) systems for Java based projects using Gradle, Jenkins and IBM Web sphere. Using Gitlab identified, implemented process and other operational improvements for multiple development teams to achieve successful build/release/deployment status for their respective applications. Design, and implement DevOps solutions: Roadmap, reference architectures, tools recommendations, practices, and processes, carrying out POC and tools consultation for target CI-CD framework. Creating Jenkins Pipelines with Jenkins Scripted File. Triggering the Remote Jenkins Jobs. Migrated existing applications which are using IBM RTC as their source control using GIT to GitLab and helped developers to get up to speed with the branching strategy. Integration of SonarQube with Jenkins for static testing, created quality gates in SonarQube dashboard and enforced in the pipelines to fail the builds when conditions not met. Configured Android studio workspace setup for developers to provide an easy process for their application development. By using Jenkins created Pipeline jobs to build the different kinds of applications Java Spring framework, Mobile and store the binaries in JFROG artifactory. Implemented Fortify scanning and BlackDuck scan of source code at gated level (pre-checkin). Providing the end user communication for critical issues like service delays/disruption with ETAs. Daily system and application health checks are performed to ensure the smooth running of the application. Experience building cross platform or native mobile applications in one or more platforms iOS, Android. Handling user queries related to reports, daily job schedules/Database management and providing the solutions within the specified SLAs. Using Test Flight and google play console provided testing environment for different users, to test Mobile applications. Experience using Gradle as build tools for the building of deployable artifacts (jar, war & ear) from the source code. Sending the Uptime and Downtime notifications to teams regarding Servers status as a part of the Build Engineer role at the time of deploying the EAR and WAR package from WebSphere. Written bash scripts to deploy the java-based packages like ear and war on the WebSphere Application server. Worked extensively on GitLab as Version Control. Maintain AD environment management documentation on as as-necessary basis. Configured Splunk Searching and Reporting modules, Knowledge Objects, Administration, Add-On's, Dashboards, Clustering and Forwarder Management. Configured IOS application development cycle using XCode as CICD tool for building and and deploying the application to App Store. Coordinated with all the teams and vendors before and after the production deployments for the smooth production releases. Provided end-user support, performed baseline build, merges, software release management, and other SCM activities. Configured Jenkins in such a way that whenever a developer commit a new change, a build is triggered using XCode for IOS and Gradle for Android development. Created and maintained GitLab repositories, branches and tags. Acted as an Integrator for performing merge, rebase and baseline operations. Monitor progression of releases and keep them on track for delivery on planned release date. Charter Communications Denver, CO Nov 2019 Dec 2020 DevOps Engineer II Developed Python script to cleanup old deployments in Kubernetes cluster by deploying specific pods into the cluster using Gitlab-CI and HELM charts. Using Terraform, created user specific cluster defining the node specifications for different user types in AWS which are then managed by Rancher UI. Provided support for rancher alerts which range from Ingress controller traffic to Control plane being down due to docker containers stopped in working in the admin nodes. Written Templates for Azure Infrastructure as code using Terraform to build staging and production environments. Integrated Azure Log Analytics with Azure VMs for monitoring the log files, store them and track metrics and used Terraform as a tool, Managed different infrastructure resources Cloud, VMware, and Docker containers. Maintained Gitlab runner instances in AWS which help in running the Jenkins CI pipelines for developers and assisting them in deploying their applications in to the Kubernetes cluster. Design AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates. Implemented a Continuous Delivery pipeline with Docker, Jenkins and Gitlab and AWS AMI's, whenever a new Gitlab branch gets started, Jenkins, our Continuous Integration server, automatically attempts to build a new AWS ECS / Docker container from it. Setup test environments in Windows Azure and worked on a plan to migrate applications to migrate to 100% Azure environments The Docker container leverages Linux containers and has the AMI baked in. Converted our staging and Production environment from a handful AMI's to a single bare metal host running Docker. Configuring and CNI plugins like cilium, calico, flannel etc. to wire docker containers for networking and connected CNI plugins using external etcd datastore, etcd-operator and CRD for Network policies. Involved in Converting CICD pipelines from Jenkins and convert them in to gitlab-ci.yml file and helping developers in to deploying the application. Moved all the repos from Bitbucket to Gitlab by creating new databases for and copying the data from existing ones essentially migrating from one to another. Involved in data ingestion into MemSql using Kafka - MemSql pipeline for full load and Incremental load on variety of sources like web server, RDBMS and Data API s. Worked in build release management in CI/CD environments using Jenkins, Maven, Artifactory to build and manage container based applications for Dev, UAT and Prod. Implemented user specific application monitoring using Pingdom, which sends an alert to the developer whenever the application is down. Sending a detailed report on the failed pod. Create and configured the continuous delivery pipelines for deploying Micro Services and Lambda functions using Jenkins CI server. Experience in alert handling, standard availability and performance report generation. Experience in root cause analysis of post-production performance related issues through Splunk tool. Design and implement Splunk Architecture (Indexer, Deployment server, Search heads, and Forwarder management), create/migrate existing Dashboards, Reports, Alerts, on daily/weekly schedule to provide the best productivity and service to the business units and other stakeholders. Provided support on Kubernetes cluster for owners and maintain them with less downtime without any noticeable loss to the applications or to the customers using them. Worked on ECS and EKS deployment to an application on a Tomcat server hosted in containers using Terraform to create Infrastructure as Code. Amazon IAM service enabled to grant permissions and resources to users. Managed roles and permissions of users with the help of AWS IAM. Used Gitlab-ci pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes. Using monitoring tools like Grafana Prometheus, determined the usage of the resources for any given K8-s cluster, and determining to increase the resources like instance type and disk sizes ultimately keeping the costs down. Using Keycloak as our SSO created user groups and their permissions which are used to login in to our internal sites securely, and it also helps in keeping users out of the unauthorized zones. Maintained CLI wrapper script and HELM charts which are used by developers to deploy the applications without inside information about the infrastructure. Used CI/CD tools Jenkins, Git/Gitlabs, Jira and Docker registry/daemon for configuration management and automation using Ansible. Developed Ansible playbook to trigger Jenkins pipeline to build Docker images from the Dockerfile and push the Docker images with newly build artifacts to the AWS ECR. Integrated Kubernetes cluster to perform rolling deployments of the Docker images. Provided assistances in helping developers to push their docker images and Artifactory in to the Jfrog artifactory by creating user groups and generating api tokens for the group. Amoris IT INC Frisco, TX Feb 2018 Oct 2019 DevOps 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. Provide consulting and cloud architecture for premier customers and internal projects running on MS Azure platform for high availability of services, low operational costs. Integrated on-premises Active Directory (AD) user data, groups and organizations to sync to Azure AD and troubleshooted services sync with on-premise AD and resync using the Azure tools. Worked on Docker container snapshots, attaching to a running container, removing images, managing directory structures and managing containers in AWS ECS. Proficient with container systems like Docker and container orchestration like EC2 Container Service, Kubernetes, worked with Terraform. Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes. Designing and deploying AWS stack EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS and IAM focusing on high-availability, fault tolerance, and auto-scaling in AWS cloud formation and solutions for EBS, Elastic Load balancer, and Auto Scaling Groups. Integrated on-premises Active Directory (AD) user data, groups and organizations to sync to Azure AD and troubleshooted services sync with on-premise AD and resync using the Azure tools. Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates. Develop and/or optimize automated database administration processes and procedures to reduce overall man-hours needed to support existing DB2 infrastructure. Design and development of Micro services using Spring Boot, Docker CE, REST API for backend systems that serve to communicate with customer to generate correspondences for customer components running on AWS VPC and AWS EKS Kubernetes cluster. Experience in Converting existing AWS Infrastructure to Server less architecture (AWS Lambda, Kinesis), deploying via Terraform and AWS Cloud Formation templates. Proficient with container systems like Docker and container orchestration like EC2 Container Service, Kubernetes, worked with Terraform. Setting GitLab repository and Runner for build automation. Repository creation in Artifactory for pushing artifacts. Worked on Design and Automation of uDeploy Application process, component process, Environment resources model and designed uDeploy Processes that deploys multiple applications using WAS, JBOSS, DM-Server Containers across both virtual and bare-metal environments. Creation of gitlab-ci.yml file for kicking build process in stages that run in docker container. Configuring JUnit coverage report and Integration Test cases as part of build in GitLab Runner. Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP (Google Cloud Platform). Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy. Developed microservice on boarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services. Configured Ansible modules to monitor AWS Cloud Watch alarms and taking necessary actions like pause those alarms during deployments. Also installing and configuring Ansible master and its nodes, writing Ansible Playbooks for achieving required goals. Worked alongside with infrastructure and product engineers to maintain servers using Terraform for provisioning, and Ansible for platform configuration and deployments. Developed, and implemented architectural solutions involving multiple Pivotal Cloud Foundry (PCF) foundations on VMware virtual infrastructure (on-premesis). Developing Ansible playbooks to provision EC2 instances, Azure VMS, Install Tomcat, JBoss, web sphere, MySQL; integrated Ansible with Jenkins to perform the deployment of the environments. Experience in writing inventory files, Ansible configuration files and Creating playbooks in Ansible for configuration and Deployment activities, configuring packages, services using Ansible modules like yum, service, templates, handlers etc. 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. Used Kubernetes to manage the containerized applications, creating and deploying application containers. Automation of Kubernetes clusters on VM and Docker container orchestration using Ansible and Fleet. Developed Restful API's using YAML Scripts, python involved in Building a microservices architecture with spring boot and Docker and implemented CI/CD for all the microservices through Jenkins and Maven build tool using Deployments through Ansible. Worked with Helm charts to define, install, and upgrade complex Kubernetes applications and used rollback mechanism to handle deployment errors. Participated in Agile Project Management in several key projects which included the migration and consolidation of several data centers, migration planning for future system consolidation. Syngenta Research Triangle Park, NC Nov 2016 Jan 2018 DevOps Engineer Provisioned Web server such as Apache and IIS to deploy and scale services developed with Java, Python, Ruby, PHP and Node.js in the AWS cloud using Elastic Beanstalk. Created and saved the custom Amazon Machine Images (AMIs) by writing Chef Cookbooks with additional requested packages and prompted Jenkins to pull the code from GitHub and deploy them in various non-production environments. Pipelined continuous delivery and deployment of micro-services and lambda functions using Jenkins CI server and administered Artifactory repository to deploy the artifacts generated by Maven and to store the dependent jar used during the build. Hands on experience migrating from an on-premise environment to AWS and automated installation of ANSIBLE Enterprise 2.7 and configuring ANSIBLE Master and ANSIBLE Agents (both Windows and Linux Environment) in AWS VPC environment. Worked on cloud formation templates to create EC2 instances and by leveraging security and management features, ECS containers to run, stop and manage docker containers on a cluster. Automated the cloud deployments of services using Python boto and fabric along with AWS Cloud Formation Templates. Wrote Chef Cookbook to automate the installation and update process of Apache Tomcat, MySQL and Java in the horizontal clusters by using CI Jenkins pipelining. Responsible for version control of Chef Cookbooks, testing of Cookbooks using Test Kitchen and running recipes on nodes managed by on premise Chef-Server. Installed and configured ChefDK and Knife as chef workstation on local machine, chef server on the server to store the cookbooks and chef agents on nodes to pull the cookbooks from chef server. Defined AWS Lambda functions for making changes to Amazon S3 buckets and updating Amazon DynamoDB table. Supported VMware, specifically ESX VSphere 5 to monitor cluster performance, optimize the server environment, diagnose and resolve production issues amongst 3 Data Centers and over 1800 servers. 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. Automated the cloud deployments using chef, python boto and AWS Cloud Formation Templates and hosted the application on AWS using Ops Works, automated single click deployment onto AWS using Chef by triggering a Jenkins built. Integrated Maven, GitHub and Jenkins to build and deploy artifacts to Nexus Artifacts. Worked on Jenkins in setting up CI/CD pipeline to deliver software with better quality and fast by using different plugging like EMMA, check style and find bugs resources. Design/code involving large volumes of data PowerShell ASP.NET/ Web API. Responsible for Designing Logical and Physical data modelling for various data sources on Confidential Redshift. Configuring Chef to build up services and applications on the instances once they have been configured using cloud formation. Proficient with container systems like Docker and container orchestration like EC2 Container Service, Kubernetes, worked with Terraform. Changing the AWS infrastructure Elastic Beanstalk to Docker with kubernetes. Improved Ansible with use of EC2 for accessibility, run deck as job scheduler, Jump Cloud as directory service, Docker for containerization, and Nginx to provide container security. Configured Ansible playbooks to provision apache web servers, tomcat servers, Nginx, Apache spark and other web applications, application deployment to move a .war application from drop-in s directory to apps directory, orchestration of the environment while developing the new websites. Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Redhat Linux. Barclays Technology Center Piscataway, NJ Jan 2016 Oct 2016 Release / DevOps Engineer Creating and maintaining AWS VPCs, internet gateways, route tables, public, private subnets in various availability zones, create different S3 buckets like Standard, Standard-IA (Infrequent Access), Reduced Redundancy and Glacier based on the requirement. Configured AWS account with multifactor authentication enabled and least privilege permissions and Leveraged AWS cloud services such as EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems to handle load bursts. Implemented a production ready, load balanced, highly available , fault tolerant Kubernetes infrastructure. Created private cloud using Kubernetes that supports DEV, TEST, and PROD environments. Provisioned AWS EC2 instances to enable continuous deployment using configuration management tool like Puppet. Managed Java applications across Linux servers and developed automation scripting in Python using Puppet. Created network address translation (NAT) gateways to enable instances in private subnets to connect to the internet and other subnets AWS services using bastion hosts. Implemented Password less authentication on the group to AWS EC2 instances to run the auto scheduled jobs (Cron Jobs) without the intervention of required user details/credentials. Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages. Wrote Puppet manifest and modules to provision EC2 instances and other AWS services by using Jenkins and ANT build tools. Configured Amazon Web Services like EC2, VPC, NACL, RDS, EBS, ELB, Auto-Scaling, AMI, IAM through AWS Console and API by integrating Puppet manifest with Jenkins. Installed and configured Puppet enterprise and connected it to Puppet agents in the enterprise AWS. Deployed Puppet, Puppet Dashboard and PuppetDB for configuration management to existing infrastructure. Created and deployed a tool to automate branch and project creation in subversion using Perl, Chef and Puppet scripts and implemented life-cycle management and rapid-provisioning for RedHat Linux using Puppet. Pipelined built and deployment process of Java, Apache Tomcat, Web Sphere and MySQL applications using CI/CD tools Jenkins, Apache Maven, Git and Chef. Integrated GIT into the continuous Integration (CI) environment along with Jenkins to pull the source code and administrated user management, plug-in management, administration, group management, slave management, new job setup in Jenkins. Worked on scalable, high performance OpenStack workload servers for Linux OS for VMs with RedHat OpenStack. Used continuous integration and continuous delivery to build and deploy applications on Tomcat, JBoss, Nodejs and BRMS. Wrote Shell scripts to automate the WebLogic deployments and involved in migration of SVN to GIT, automated backups, cron jobs and health checks using Jenkins by scheduling Python and Bash script to trigger the build. Administrated and monitored MongoDB enterprise replicas using Mongo OPs manager and worked with teams to move data across various platforms like Elastic search, Mongo DB, HDFS and orientDB. Performed regular and periodic backups/replications of VMs using vRange and involved in P2V and V2V conversion with the help of VMware Converter in different environments. Installation and configuration of ESXi3.5, 4.x servers and applying security patches to the ESXi servers. Managing the ESXi servers using the vSphere client and VCenter for managing the multiple ESXi servers. Worked on LDAP console, wrote Shell scripts to automate LDAP tasks. Implemented local/remote user authentication service (NIS and LDAP). 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. Used Jump start for OS installation with support of Jump Start server. Configure large file system with Solaris ZFS. Excellent experience in installation, configuration and Volume/File system management using Logical Volume Manager (LVM) in Linux and Solaris Volume Manager (SVM) in Solaris. Configured and administrated agile tools like JIRA and Rally for defect management, project management, bug tracking, story/epics and planning iterations. Pact Software Services Hyderabad, India Apr 2014 Dec 2015 Linux System Administrator Installed, configured and managed Windows server 2008 and 2012. Configuration and management of vSphere product suite like vCenter, ESXi and vSphere client. Installed and configured load balancing between ESXI hosts in a horizontal cluster for capacity management and making the cluster high available. Worked on scalable, high performance OpenStack workload servers for Linux OS for VMs with RedHat OpenStack. 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. Performed regular and periodic backups/replications of VMs using vRange and involved in P2V and V2V conversion with the help of VMware Converter in different environments. Provisioning SAN LUN s, vSAN, LUN masking, Storage Group, SnapView, MirrorView and RAID on EMC Clariion. Designing and architecting of load balancing solutions for multiple applications based on custom requirements using BigIP F5 LTM and GTM. Amended exiting F5 LTM pools by adding new servers or by removing the servers as per the client request. Applied both default and custom monitors on LTM pools to perform backend server health checks. Controlling internet access using BlueCoat proxy devices, provisioning DNS and DHCP requests using Infoblox devices, and troubleshooting BlueCoat, F5, Infoblox issues and packet analysis using wireshark, tcpdump and OpenSSL. 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. Automated RedHat Linux and CentOS server installation by Kickstart method using anaconda-ks.cfg. Automated periodic and regular data and services log files backup, scheduling jobs and system cleanup by writing Cron jobs. Expert in using Logical Volume Manager (LVM) to increase or decrease the logical volume partition size upon application team requirement with different file system types. Implemented SSH passwordless authentication between severs to run the scheduled jobs on the target servers without the intervention of user details/credentials. Worked package management tools like RedHat s RPM/YUM and Debian s APT-GET to upgrade Kernel in RedHat Linux/CentOS and Ubuntu/Debian servers respectively. Installed, configured, maintained and administrated the network servers BINDDNS, NFS and application servers Apache and Tomcat server. Installed and Configured SAMBA Server in Linux for accessing the shared files from the windows environment. Followed ITIL standards to work on incidents, service requests and change requests from the clients. Keywords: continuous integration continuous deployment user interface javascript sthree database active directory information technology container edition ffive microsoft Colorado Iowa Kansas New Jersey North Carolina Texas