NANDINI CHAMARTHI

Sr DevOps/ Cloud Engineer

Phone: 903-***-****

Email: ad37jv@r.postjobfree.com

SUMMARY:

10+ years of experience into Cloud and DevOps engineering in the design, development, implementation and management of full life cycles of applications and Infrastructure management with On Prem, AWS and private Cloud infrastructure.

•Hands on experience on AWS Cloud Architecture and automated complete environment creation with Cloud-formation extensively.

•Extensively worked with AWS services like EKS, ECS, ECR, EC2, VPC, ASG, Cloud Watch, Cloud Front, IAM, S3, SNS, ELB and Lambda etc.

•API’s/KPI’s monitoring using Splunk, ServiceNow and ELK.

•Proficient in implementing and setting up AWS Kinesis and the ELK stack (Elasticsearch, Logstash, Kibana) for effective log analytics.

•Use Terraform to automate infrastructure as code for creating New Relic resources and AWS.

•Hands on experience and expertise in CI/CD Tools like Jenkins, TeamCity, GitHub Actions, Spinnaker, AWS-Code Pipeline.

•Experienced in cloud security, implementing industry-specific compliance standards, such as GDPR, HIPAA, or PCI DSS, for regulatory alignment.

•Hands on experience in Azure Development, worked on Azure web application, App services, Azure storage, Azure SQL, Database, Virtual machines, Fabric controller, Azure AD, Azure search, and notification hub.

•Setting up Azure AD Premium's Multi-Factor Authentication (MFA) to securely authenticate users. Developed unique Azure templates for rapid deployments and sophisticated PowerShell scripting. Azure SQL Database was configured up with GEO Replication, Azure SQL Database Sync, a failover setup, and a standby database in a different region.

•Designed, configured and deployed Microsoft Azure for a multitude of applications utilizing the Azure stack (Including Compute, Web & Mobile, Blobs, Resource Groups, Azure SQL, Cloud Services, and ARM), focusing on high - availability, fault tolerance, and auto-scaling.

•Expertise in Microsoft Azure Cloud Services ( PaaS & laaS ), Application Insights, Document DB, Internet of Things (loT), Azure Monitoring, Key Vault, Visual Studio Online (VSO) and SQL Azure.

•Extensive involvement in Designing Azure Resource Manager Template and in designing custom build steps using PowerShell.

•Worked with implementation and optimization of Azure APIM to streamline API development, enforce security policies, and enhance overall APIM.

•Configured SQL Server Master Data Services (MDS) in Windows Azure laaS.

•Experience with container orchestration tools like Kubernetes and Docker Swarm.

•Expertise in build process using Maven, ANT, Gradle.

•Experience in Configuration management and provisioning tools like Puppet, Chef, Ansible, AWS Cloud Formation templates and Terraform.

•Experienced in infrastructure automation through Terraform, Cloud Formation, Ansible, Python and Bash Scripts.

•Implemented security measures for Kafka clusters, including SSL/TLS encryption, authentication, and authorization mechanisms.

•Setting up build definition in Visual Studio Team Services (VSTS), configure continuous delivery to automate the deployment of ASP.NET MVC applications to Azure web apps, Azure Active Directory, and apply upgrades on a regular basis, and configure continuous integration from source control.

•API for customizing check-in policies and alert mechanism.

•Experienced on Task Scheduling & Systems backup using Python, Ruby, Shell scripting for RHEL.

•Using webserver to deploy Web/Applications i.e., Nginx, Tomcat, Microsoft Internet Information Service (IIS).

•Worked on deploying webservers, Cloud resources into AWS & Azure environments by integrating ServiceNow with the service provider.

•Experienced in command-line skills for efficient management and troubleshooting of Linux servers. Implemented robust security measures through Linux hardening techniques, ensuring a secure infrastructure.

•Utilized scripting abilities for automation, reducing manual intervention and enhancing system reliability.

•Creating Splunk Alerts and Dashboards Creation and analysis of performance and throughput of applications.

•Experience writing Jenkins Pipeline scripts in Groovy, automating the build and deployment processes.

•Experienced with Prometheus data source to get apps data from applications which deployed in cloud.

•Experienced with Grafana dashboards and link to Prometheus to visually analyze cloud infra and apps in cloud.

•Experienced in designing, implementing, and optimizing Mule ESB solutions. including API design, development, and management.

•Configuring and managing Palo Alto Firewalls to establish secure network perimeters and implementation of firewall policies, rules, and security profiles to control traffic and enforce security policies.

•Orchestrated complex workflows and data pipelines using Apache Airflow to automate and schedule tasks and Implemented DAGs (Directed Acyclic Graphs) in Airflow to define and manage the sequence of tasks, ensuring efficient execution of workflows.

•Orchestrated cloud infrastructure using DevOps principles, while concurrently implementing FinOps practices to optimize costs and improve financial efficiency.

•Experienced with various Cloud platforms of AWS, private cloud and Open-Stack.

•Developed multiple enhancing strategies/scripts to automate manual tasks, so our team saved time and improved our productivity using Python and bash.

•Configured and managed RabbitMQ message broker for reliable communication between distributed microservices and components.

•Proficient in using Tricentis Tosca for test automation, ensuring comprehensive test coverage.

•Managed and optimized Oracle and MariaDB databases, implementing performance tuning strategies for enhanced query response times.

•Deployed multi-data center, multi rack Cassandra cluster in production environment.

•Created Dashboard for monitoring AEM instances and health checks.

•Implemented performance optimization strategies for Microsoft Dynamics CRM, improving overall system responsiveness and user experience.

•Worked with retrieval algorithms, like TF-IDF, BM25, or machine learning-based approaches for information retrieval.

•Administered, maintained, and supported Red Hat Enterprise Linux (RHEL) servers,

•Worked with different Bug Tracking tools like JIRA, ServiceNow, Bugzilla, Clear Quest.

•Good exposure on Java Technologies XML, YML, JSON, Struts, Spring Boot, Hibernate, micro-services, .NET and RestAPI.

•Expertise on servers like Web-logic, Apache, Nginx, Jetty, Ruby Rails, Tomcat and Jboss servers.

EDUCATION:

Bachelors in Computer Science and Engineering at JNTUH, India

CERTIFICATIONS:

·Certified by Kubernetes Administrator

·Certified by Azure Administrator

·AWS Certified Developer - Associate

·Certified Terraform Associate

TECHNICAL SKILLS:

AWS Services

RDS, EC2, ECS, VPC, IAM, Cloud Formation, EBS, S3, ELB, Auto Scaling, Cloud Trial, SQS, SNS, SWF, Cloud Watch, EKS, AWS Lambda, EMR, SageMaker, Amazon SNS, Amazon SQS

Azure Services

App Services, Key vault, function app, Blob storage, Azure Active Directory (Azure AD), Service Bus, Azure Container Registry (ACR) and Azure Kubernetes service (AKS), Azure SQL, VM’s, ACI

CI/CD

Jenkins, Azure Pipelines, GitLab, Travis CI, TeamCity, Bamboo, GitHub,

Artifactory

JFrog and Nexus

Web Servers

Nginx, Apache HTTP Server, Apache Tomcat, Microsoft Internet Information Services (IIS),

Documentation

Confluence, GitBook

Operating Systems

Linux(RHEL), UNIX, Debian, Windows

Tracking Tools

Jira, Azure DevOps, GitHub, ServiceNow

Code Scanning

Sonar Qube, Jfrog X ray, ECR Inspector

Databases

RDS, CosmosDB, MySQL DB, DynamoDB, Amazon Redshift, Azure SQL, PostgreSQL, MariaDB, Oracle, MongoDB, Cassandra,

Logging

Cloud Watch, Cloud Trail, Azure App Insights, Azure Monitor, Splunk, Graylog, Prometheus, Grafana, Datadog, New Relic Logs

Configuration & Automation Tools

Ansible, Puppet, Chef

Containerization Platforms

Docker, Kubernetes, Open Shift, Docker Swarm, Amazon ECS, Azure Kubernetes Service (AKS)

Monitoring Tools

Nagios, Splunk, Azure Monitor, ELK Stack, New Relic, AppDynamics

Scripting Languages

Python, Shell scripting, PowerShell, Bash, Ruby, Perl, Groovy, JavaScript (Node.js), YAML, Java, .Net

Cloud Platforms

Microsoft Azure, Aws Cloud.

Version Control Tools

GIT, BitBucket, GitHub, GitLab, SVN(Apache Subversion), Azure Repos

IaaC

Terraform, AWS CloudFormation, Azure Resource Manager (ARM) Templates

PROFESSIONAL EXPERIENCE:

Client: PhData, Feb 2023 – Present

Location: Minneapolis, MN

Role: Sr. DevOps/ Cloud Engineer

Responsibilities:

·Hands-on Experience in creating Azure Key Vaults to hold Certificates and Secrets, designing Inbound and Outbound traffic rules, and linking them with Subnets and Network Interfaces for filtering traffic to and from Azure Resources.

·Working on automating Infrastructure using Azure CLI, monitoring and troubleshooting Azure resources with Azure App Insights, and accessing subscriptions with PowerShell.

·Working with implementing Azure Services such as Azure cloud services, Azure storage, IIS, Azure Active Directory (AD), Azure Resource Manager (ARM), Azure Storage, Azure Blob Storage, Azure VMs, SQL Database, Azure Functions, Azure Service Fabric, Azure Monitor, and Azure Service Bus.

·Configuring and maintained Azure Storage Firewalls and Virtual Networks, which use virtual Network Service Endpoints to allow administrators to define network rules that only allow traffic from specific V-Nets and subnets, so creating a secure network border for their data.

·Implementing and providing Single Sign-On (SSO) access to users using Software as Service (SAAS) applications such as Dropbox, Slack, and Salesforce.com using Azure Active Directory (AAD) in Microsoft Azure.

·Configured and managed Azure API Management (APIM) for internal and external applications, ensuring efficient and secure API consumption.

·Performing Azure Scalability configuration that sets up a group of Virtual Machines (VMs) and configures Azure Availability and Azure Scalability to provide High Application Availability and can automatically increase or decrease in response to demand.

·Using Azure Kubernetes Service (AKS) to deploy a managed Kubernetes cluster in Azure and created an AKS cluster in the Azure portal using template-driven deployment options such as Azure Resource Manager (ARM) templates and terraform.

·Using Azure Kubernetes Service (AKS) for Implementing Jenkins pipelines into Azure pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods, and managed them.

·Installed and configured essential tools including GIT, Maven, SonarQube, and SVN for version control within Jenkins.

·Implemented IAM policies to manage access control and permissions, enhancing overall cloud security posture and encryption protocols for data in transit and at rest, for data protection.

·Installed Grafana and Prometheus by utilizing Helm to monitor Kubernetes cluster's application performance.

·Design and implementation of robust network security architectures using Palo Alto Firewalls to protect against unauthorized access and cyber threats.

·Experience with automation deployment tools to streamline Kafka cluster setup, using tools such as Ansible, Terraform, or Puppet.

·Worked with Confluence and ADO to enhance collaboration among development, testing, and operations teams.

·Implemented and managed subscription models, overseeing the onboarding and management of API consumers through Azure API Management(APIM).

·Integrated Tricentis into CI/CD pipelines to automate testing as part of the deployment process.

·Worked on entity recognition, sentiment analysis, or other NLP tasks related to search and also worked with contribute to IIR projects from conception to implementation.

·Integrated Groovy scripts with Gradle, using the power of Groovy in build configurations and task automation.

·Set up and configured Nexus repository manager to streamline artifact management.

·Developing continuous integration and deployment pipelines that automated builds and deployments to many environments using VSTS/TFS in the Azure DevOps Project.

·Utilizing Terraform Templates for automating Azure IAAS VMs and delivering Virtual Machine Scale Sets (VMSS) in a production environment using Terraform Modules.

·Established reliable Kafka cluster monitoring systems with the aid of programs like Prometheus, Grafana, or Nagios.

·Creating Jenkins pipelines to drive all micro services builds out to the Docker images and stores in Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes and also performed Jenkins jobs for deploying using Ansible playbooks and Bitbucket.

·Created ARM Template for deploying the resources into Azure using the Powershell and continuous integration by VSTS.

·Created and maintained cross-environment CI using VSTS, enabling code to be deployed securely to Azure Kubernetes (AKS) using YAML scripting.

·Used Kibana for creating visually appealing and interactive dashboards to represent complex data, log analysis, providing insights into system behavior, performance, and identifying issues.

·Configured Azure Application Gateway for optimal performance, including SSL termination, request routing, and load balancing, resulting in improved application availability.

·Implementing Web Application Firewall (WAF) policies on Azure Application Gateway, enhancing security posture and protecting applications from common web vulnerabilities.

·Integrating Docker container-based test infrastructure into the Jenkins CI test flow and setting up a build environment integrating with GIT and JIRA to trigger builds using Web Hooks and Slave Machines.

·Utilization of Palo Alto's threat prevention features, such as antivirus, anti-spyware, and URL filtering, to enhance security posture.

·Experienced with YAML for writing Infrastructure as Code (IaC) templates, defining and managing infrastructure in a declarative manner.

·Worked with network engineering teams to design and implement robust and secure networking solutions, including VPNs, firewalls, and DNS configurations.

·Splunk experience includes installing, setting, and troubleshooting the software, and monitoring server application logs with Splunk to detect production issues.

·AEM components deployment across multiple platforms.

·Handled integrating JIRA with GIT repositories to track all code changes and implemented Azure Boards to track all issues relevant to the software development lifecycle.

·Collaborated with cross-functional teams by utilizing Confluence for documentation and knowledge sharing.

Environment: Azure, Azure-DevOps, Jenkins, Web logic, AKS, Nexus, YAML, JIRA, Kibana, Ansible, Oracle, APIM, Terraform, Kubernetes, Prometheus, MySQL, Python, Java, Maven, SonarQube, Helm Charts, SVN, Java, .NET, GitHub, Linux, GIT, VSTS, LDAP, NFS, Cassandra, NAS, AEM, MS Share point, Groovy, .Net, Nexus, Windows, Tricentis, RHEL, Splunk, PowerShell Scripts, JSON, Shell Scripts, Chef, Ansible, Confluence, OpenStack, Docker, Service-Now, Kubernetes.

Client: Fleetcor, Aug 2020 – Jan 2023

Location: Atlanta, GA

Role: Sr DevOps Engineer

Responsibilities:

·Worked with Windows, Linux and AWS teams to resolve issues and plan for infrastructure changes.

·Provided documentation of solutions for VMWare, Windows, and Linux and AWS teams.

·Launched EC2 instances and involved in AWS RDS, S3, Load Balancing, IAM, VPC, Cloud Formation, Lambda, Dynamo DB, Postgre and Cloud Watch.

·Used AWS Route53, for traffic routing between different availability zones. Deployed and supported Mem-cache/AWS Elastic-Cache and then Configured Elastic Load Balancing (ELB) for routing traffic between zones.

·Worked on Multiple AWS instances set the security groups, Elastic Load Balancer (ELB) and AMIs, Auto-scaling to design cost effective, fault tolerant and highly available systems.

·Implemented cloud services IaaS, PaaS, and SaaS,which include Open stack, Docker and Open Shift.

·Worked on NoSQL database Dynamo DB to process large data documents.

·Implemented a server less architecture using API Gateway, Lamda, and Dynamo DB.

·Migrated the production SQL server schema to the new AWS RDS Aurora instance. Wrote SQL queries and worked on administration for optimizing and increasing the performance of database.

·Expertise in creation Kubernetes cluster with cloud formation templates and deploy them in AWS environment and monitoring the health of pods using Helm Charts.

·Developing Docker images to support Development and Testing Teams and their pipelines; distributed Jenkins, Selenium and JMeter images, and Elastic search, Kibana and Log stash (ELK & EFK) etc.

·Defined Kubernetes resources using YAML, including deployments, services, config maps, and secrets for container orchestration.

·Used tools like AWS CloudWatch Logs and ELK stack to set up centralized logging in order to solve issues proactively and obtain insights into the performance of containerized applications.

·Used Jenkins as Continuous Integration tools to deploy micro services to Pivotal Cloud Foundry (PCF) using build pack.

·Worked with scaling of Kafka clusters in response to fluctuating workloads, guaranteeing uninterrupted functioning during peak periods.

·Creating PoC with Terraform and Jenkins for the deployment of Java and Node.js apps in Elastic Beanstalk and ECS.

·Developed Scripts for AWS Orchestration using EC2, EBS, S3, Cloud Formation and IAM.

·Worked with Docker, Jenkins, Helm and Spinnaker for the CI/CD implementation to build, test and deploy.

·Implementation of high availability (HA) and redundancy configurations for Palo Alto Firewalls to ensure continuous and uninterrupted security services.

·Created and maintained Jenkins Job DSL scripts in Groovy for defining and managing Jenkins job configurations.

·Developed a data lake application and involved in development of standard generic automated template for developing data lake as a service.

·ServiceNow was configured to interact with AWS in order to create resource profiles, set up governance, fill the cloud service catalog with blueprints, and troubleshoot several issues of ServiceNow integration with Cloud Management.

·Developed and maintained shared libraries in Groovy for Jenkins, ensuring consistency across CI/CD pipelines.

·Used S3 storage service and created a data lake around S3 as object store.

·Integration of Application with New Relic Monitoring for complete insight and proactive monitoring.

·Integrated Kibana seamlessly with Elasticsearch to visualize and analyze data stored in Elasticsearch indices.

·Provisioned load balancer, auto-scaling group and launch configuration for microservices using Ansible.

·Implemented automated local user provisioning in instances created in OpenStack cloud through Ansible Play books, real-time monitoring solutions using Kibana, ensuring prompt detection and response to critical events.

·Integration of Palo Alto Firewalls into automation workflows through scripting languages for efficient management and development of automation scripts to streamline firewall rule updates and configuration changes.

·Deployed Puppet for configuration management to existing infrastructure.

·Designed and Developed Bamboo Builds deployments on Docker containers.

·Used Git for source code version control and integrated with Jenkins for CI/CD pipeline, code quality tracking and user management with build tools Maven and Ant.

·Updating ESX host’s using VMware Update manager.

·Expand Red Hat Open Shift Container Platform solution to multiple CPU architectures.

·Involved in orchestration with Keystone, Kubernetes, and other Open Stack features, as well as cloud compute system configuration using OpenStack on Ubuntu.

·Experience in full-stack development, covering both server-side and client-side components using NET C# and JavaScript.

·Used the JIRA, Confluence for bug tracking, creating the dashboard for issues.

·Installation of ELK(Elasticsearch/Logstash/Kibana) stack for log monitoring.

·Wrote Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.

·Wrote multiple cookbooks in Chef and Recipes to automate the deployment process using Spinnaker and integrated with Jenkins job for CD framework.

·Implemented Chef Knife and Cookbooks by Ruby scripts for Deployment on internal Data Centre Server and reused same Chef Recipes to create a Deployment directly into EC2 instances.

·Optimized application performance, enhanced monitoring, and New Relic setup and configuration.

·Conducted performance testing and load testing using Tricentis to identify and resolve bottlenecks.

·Automated API interactions and integrations using Groovy scripts for streamlined communication between different systems.

·Working closely with Cassandra loading activity on history load and incremental loads from Teradata and Oracle Databases and resolving loading issues and tuning the loader for optimal performance.

Environment: AWS, ELK, OpenStack, Docker, Jenkins, Linux, APIM, VMware, Kibana, vcenter, vSphere and vMotion, RHEL, Satellite, Splunk Open Shift, Artifactory, Helm Charts, GitHub, Tricentis, Groovy, PCF, SVN, RHEL, Chef, Puppet Mcollective, YAML, Puppet Hiera, Mango DB, Nagios, New Relic, Java, .Net, Ruby, Python, Cassandra, JIRA, LAMP, PowerShell, Postgre, Ubuntu, Cloud Formation, Kafka, Bamboo, Apache, Confluence, Terraform, Nginx.

Client: ALLSTATE, Mar 2018 – July 2020

Location: Chicago, IL

Role: DevOps Engineer

Responsibilities:

·Involved in DevOps migration/automation processes for build and deploy systems.

·Consulted and recommended client in Build and Release Management Implementation.

·Used SCM/Build tools for Developers. Helping to resolve all SCM/Builds issues like merge conflicts, compilation errors, missing dependencies, Branching/Merging/Tagging.

·Worked with Ansible playbooks for virtual and physical instance provisioning, Configuration management and patching through Ansible.

·Automated using Ansible, Python, Perl or shell scripting with attention to detail, standardization, processes and policies.

·Worked in an agile development team to deliver an end-to-end continuous integration/continuous delivery (CI/CD) product in an open source environment using tools like Puppet, Jenkins.

·Worked on Helm Charts to manage and deploy Kuberbetes resources on EKS.

·Experience in writing Puppet manifests and modules to automate the deployment process and to integrating Puppet manifests into Jenkins jobs for a continuous delivery (CD) framework.

·Configured and monitored distributed and multi-platform servers using chef.

·Setup and build AWS infrastructure using various resources, VPC EC2, RDB, S3, IAM, EBS, Security Group, Auto Scaling, SES, SNS and RDS in Cloud Formation JSON templates, Route53, Lambda.

·Configured alerts for all servers for CPU monitoring, disk utilization, and memory consumption, and tracked server alarms using New Relic.

·Installed and deployed Kafka, Zookeeper, ELK, and Grafana using Ansible playbooks.

·Developed build and deployment scripts using Gradle and Ant, Maven as build tools in Jenkins to move from one environment to other environments.

·Designed and implemented RESTful APIs using .NET C# and JSON for seamless communication between different components of the application.

·Created a fullyCI/CD process. Automated Build and Deployment Platform and coordinating code build promotions and orchestrated deployments using Jenkins/Hudson and GitHub.

·Experience in working in .Net application and branching, Tagging, Release Activities on Version Control Tool like GIT and Subversion (SVN).

·Researched and implemented code coverage and unit test plug-ins like find bugs, check style and with Maven/Hudson.

·Experience in setting up Kinesis streams for graylog.

·Responsibility to perform the Security Scans, defect tracking, defect reporting and defect reproducing using SonarQube, Bugzilla and JMeter.

Environment: Java, Maven, ANT, Gradle, groovy, GIT, SVN, Maria DB, Java, Helm Charts, .NET, Puppet, Jenkins, Kibana, Ruby, Splunk, JMeter, Tomcat, Sonar Qube, Bugzilla, MySQL, CI/CD, Shell, Kafka and Perl Scripts, Ansible, JIRA, PowerShell, Nexus, RHEL 5.x/6.x

Client: First Citizen Bank, Oct 2016 -Feb 2018

Location: Dallas, TX

Role: Build & Release Engineer

Responsibilities:

·Defined and Implemented CI and Release Management Processes, Policies, and Procedure.

·Automated the release pipeline to achieve zero touch deployments using Jenkins, SVN, Nexus, and Nolio.

·Worked with SVN and GIT version controlling

·Creation and management of branches, merging branches, deletion of obsolete branches after every release.

·Writing the post-commit and pre-push hooks in Python for code checks.

·Coordinate/assist developers with establishing and applying appropriate branching, labelling/naming conventions using Subversion (SVN) source control.

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

·Installed Ansible Registry for local upload and download of Docker images and even from Docker hub.

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

·Maintained build related scripts developed in shell for Maven builds.

·Created and modified build configuration files including POM.xml.

·Utilized Perl and Python for GIT for creating repository hooks.

·Using remote PowerShell programming, a dynamic and automated inventory of workstation hardware and software was created on the network.

·Used Maven dependency management system to deploy snapshot and release artifacts to Nexus to share artifacts across projects and environments.

·Configured and maintained Jenkins to implement the CI process and integrated the tool with ANT and Maven to schedule the builds. Took the sole responsibility to maintain the CI Hudson server.

·Used Ansible for configuration management and deployed all the services on to the cloud using Ansible.

·Developed and maintained scalable and high-performance web applications using .NET C# and JavaScript.

·Automation/Simplification of Digital Guarding Process through SPLUNK.

·Implemented Kickstart/PXE Boot Servers that Resync between multiple locations.

·Provided Tier 1 (Help Desk) problem identification and Tier 3 (Watch Desk) support during normal to semi-critical situations.

Environment: SVN, Jenkins, Nexus, GIT, ANT, MAVEN, Perl, Java, CI/CD, .NET, Kafka, Puppet, Ansible, Python Scripts, Shell Scripts, PowerShell Sonar, Red Hat Kickstart server, Splunk.

Client: Analogics Tech India Ltd, July 2011 – Aug 2015

Location: Hyderabad, India

Role: Linux Administrator

Responsibilities:

·Created and maintained user accounts in RedHat Enterprise Linux (RHEL) and other operating systems.

·Troubleshoot and maintaining of TCP/IP, Apache HTTP/HTTPS, SMTP and DNS application.

·Configuration of NIS, DNS, NFS, SAMBA, SENDMAIL, LDAP, TCP/IP, Send Mail, FTP, Remote access Apache Services on Linux &UNIX Environment.

·Migrated different projects from Perforce to SVN

·Performing NIC bonding on Linux Systems for redundancy.

·Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.

·Created Bash/shell scripts to monitor system resources and system maintenance.

·Resolved configuration-based issues in coordination with infrastructure support teams.

·Maintained and managed assigned systems, Splunk related issues and administrators.

·Skilled in deploying, configuring and administering Splunk clusters.

·Responsible for the basic administration tasks related to LDAP and WebSphere Portal.

·Installed and configured servers using Red Hat Linux Kickstart method.

·Installed Nagios on the Global Servers and developed Bash Scripts.

·Created Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues.

·Expertise in remote access and application virtualization technologies such as XEN, VMware, ESX, ESXi, etc on Linux.

·Coordinating with 24 x 7 on-call support personnel in debugging.

Environment: RHEL, Windows, .Net, Shell Script, VMware servers, Java, XEN, ESX, ESXi, WebSphere, Perforce, Splunk Enterprise Server 5.x, Nagios, SVN, Windows 2003 server, Kick Start, Solaris.

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