PROFESSIONAL SUMMARY:

• Experience of 8+ years in working in multi - functional Environment during various phases of SDLC focusing on Systems Administration, Software Configuration Management (SCM), Amazon Web Services (AWS), Google Cloud Platform (GCP) and other Cloud Platforms in a DevOps Culture through Continuous Integration and Continuous Deployment.
• Experience in supporting dozens of Amazon AWS implementations including Amazon EC2 (IaaS) and all Amazon RDS (DBaaS) offerings. Amazon AWS services include provisioning, implementation, migration, heterogeneous conversions and ongoing administration and monitoring support for Microsoft SQL Server, Oracle, MySQL, MariaDB, PostgreSQL and Amazon Aurora.
• Strong in Amazon AWS costing, provisioning, administration, monitoring and troubleshooting. Experience in data migrations, ongoing data synchronization, backup and recovery, geographic data replication (Region and Availability Zones), CloudWatch performance monitoring, system tuning and disaster recovery configuration and execution.
• Experience in designing Cloud architectures for customers looking to migrate or develop new PAAS, IAAS or hybrid solutions utilizing Amazon Web Services (AWS), Google Cloud and Microsoft Azure.
• Designed, built and deployed multitude applications utilizing almost all the AWS (Including EC2, S3, Elastic Beanstalk, Elastic Load Balancing (Classic/Application), Auto Scaling, RDS, VPC, Route53, CloudWatch and IAM), focusing on high-availability, fault tolerance, and auto-scaling with CloudWatch monitoring.
• Worked with Amazon Kinesis to handle the streaming data and setup DynamoDB to store the processed stream data and configured with Lambda to run the data transformation code.
• Configured network and server monitoring using ELK (Elastic Search, Log Stash, and Kibana) stack, and Nagios for notifications and experience working with log monitoring and evaluating system logs with ELK Stack.
• Experienced in writing Terraform scripts from scratch for building Development, Staging, Production, and Disaster Recovery for several cloud infrastructures.
• Created functions and assigned roles in AWS Lambda to run python scripts, and AWS Lambda using java to perform event driven processing.
• Experience on implementing Azure Application Insights and OMS for monitoring applications and servers. Solution development for OMS Alerting and Remediation.
• Improved application performance using Azure Search and Internet of Things (IoT) optimization and Implemented Azure Application Insights to store user activities and error logging.
• Experienced in working on big data problems based on open source technologies Kafka, Hadoop, HBase, OpenTSDB, Parquet, PostgreSQL.
• Experience in using Tomcat, JBOSS, WebLogic and WebSphere Application servers for deployment and worked with multiple databases like MongoDB, Cassandra, MySQL, PostgreSQL, ORACLE.
• Knowledge in Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker on Google Cloud Platform (GCP).
• Deployed Zabbix to monitor and alert the health of Nova, Neutron, Keystone and other OpenStack services.
• Experience in Orchestrating Docker container clusters using Kubernetes.
• Worked on rolling updates using the deployments feature in Kubernetes and implemented BLUE GREEN deployment to maintain zero downtime to deploy process in Tomcat, Nginx using Python and Shell Scripts to automate log rotation of logs from web servers and automating administration tasks.
• Implemented bash-based automation to create k8s clusters kops and kubectl, node autoscaler and pod scaling with replica sets.
• Installed and configured Chef Server, workstation and nodes via CLI tools and wrote Dockerfile to create new images based on working environments for testing purposes before deployment.
• Extensively worked on Vagrant & Docker based container deployments to create environments for dev teams and containerization of env's delivery for releases.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manage change by writing Python code by using Ansible Python API to automate Cloud Deployment Process.
• Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes using Knife, Wrote Recipes and Cookbooks and uploaded them to Chef-server.
• Managing Jenkins jobs based on Groovy using Jenkinsfile and Maven script, also use plugins at some points for test builds, promote the artifacts to S3 and Jfrog, also setting up multi-pipeline jobs to build based on dependencies.
• Installing, configuring and administering Jenkins CI tool on Linux machines and built Continuous Integration and Continuous delivery environment and used Nginx as reverse proxy for securing Jenkins using OPEN SSL.
• Knowledge in Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker on Google Cloud Platform (GCP).
• Application Deployment on PCF using CF push and Urban code deploy. Also, PCF backup for all the environments and set-up Jenkins maven build automation with uploads to Pivotal Cloud Foundry (PCF).
• Ensured successful architecture and deployment of enterprise grade PaaS solutions using Pivotal Cloud Foundry (PCF) as well as proper operation during initial application migration and set new development.
• Wrote Maven , ANT and Gradle Scripts to automate the build process. Managed the Maven Repository using Nexus and used the same to share the snapshots and releases of internal projects.
• Managing Jenkins jobs based on Groovy using Jenkinsfile and Maven script, also use plugins at some points for test builds, promote the artifacts to S3 and Jfrog, also setting up multi-pipeline jobs to build based on dependencies.
• Hands-On experience in using different Monitoring Tools like Nagios, Splunk, CloudTrail, Stack driver, Sumo Logic, Prometheus, New Relic. Created Alarms in CloudWatch for monitoring the server's performance, CPU utilization, log files, Disk Usage etc. and developed Shell Scripts (Bash) for automating day-to-day maintenance tasks.
• Experience in redesigning the architecture of GITHUB Enterprise on Cloud through Disaster Recovery using different Snapshots and Restore Configurations.
• Experienced in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, TCP/IP, NFS, DHCP, NAS, FTP, SSH and SAMBA.
• Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios, iCinga for Resource Monitoring/Network/Monitoring/Log Trace Monitoring.
• Experienced in all phases of the Software Development Life Cycle (SDLC) with specific focus on the build and release of quality software in Waterfall, Agile and Scrum.
• Created and wrote Shell Scripts (Bash), Ruby and Power Shell for setting up branching, merging, and automation processes across the environments using SCM tools like GIT, Subversion and TFS on Linux and windows platforms.
• Experience in Installation, configuration, Administration and Supporting of RHEL 4, 5.x, 6.x SUSE Linux Enterprise Server (SLES) 11.x, 10.x, 11i Solaris 8, 9, 10, 11, Windows Server NT, 2002, 2003, 2007, 2008, 2010.
• Experienced installing, upgrading and configuring Red Hat Servers using Kickstart and Solaris Server using Jumpstart and customizing the Kickstart profiles and Jumpstart scripts to automate the installation of various servers.
• Day-to-Day application support on production and technical documentation for critical production issues, on-call pager support 24 / 7 environment.

TECHNICAL SKILLS:

Cloud Technologies: AWS, Google Cloud, Azure

Source control tools: SVN, Git, GitHub, Gitlab, Bitbucket, GitHub Enterprise

Configuration Management: Chef, Puppet, Ansible, Salt

Build Tools: Ant, Maven, Gradle

Continuous Integration tools: Jenkins, Bamboo, Team City, Bitbucket Pipelines, Gitlab CI

Monitoring/logging tools: Nagios, Splunk, ELK, Prometheus

Bug reporting tools: Jira

Operating Systems: Linux (Red Hat 4.x, 5.x, 6.x,7.x), WINDOWS, CentOS, UNIX, Sun Solaris, Ubuntu.

Databases: Postgres SQL, MySQL, Oracle, Cassandra, Redis, Mongo DB

Change Management: Service Now, JIRA

Virtualization: VMware ESX, ESXi, vSphere 4 and vSphere 5, Citrix

Scripting: Shell, Ruby, Perl, PowerShell and Python

Containerization: Docker, Kubernetes

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

Cloud Architect (Disaster recovery)

Responsibilities:

• Designed a disaster recovery plan(DRP) for WK in which all the applications and servers are migrated from region to region which helps the organization in case of disasters.
• Used Amazon services like EC2, Route53, RDS, AMIs, Snapshots, Internet gateways, CloudFormation, Lambda, VPC-VPC peering, Jump servers, ELBs and Elastic Block Storage.
• Worked in Amazon AWS costing, provisioning, administration, monitoring and troubleshooting.
• Designed automated scripts using cloud formation for data migrations, ongoing data synchronization, backup and recovery, geographic data replication (Region and Availability Zones), CloudWatch performance monitoring, system tuning and disaster recovery configuration and execution.
• Used Lambda functions, Cloud Formation templates to architect Disaster Recovery Plan for multi-region environment. Used Route53 to divert the internet traffic to another region in case of disaster.
• Supported dozens of Amazon AWS implementations including Amazon EC2 (IaaS) and all Amazon RDS (DBaaS) offerings. Amazon AWS services include provisioning, implementation, migration, heterogeneous conversions and ongoing administration and monitoring support for Microsoft SQL Server, Oracle, MySQL, MariaDB, PostgreSQL and Amazon Aurora.
• Design, implement and maintain all AWS infrastructure, enterprise class security, network and systems management applications within an AWS environment.
• Using skills in DBMS implementation, reduced the cost of database migration using RDS and EC2 provisioning, converted database Schemas to secured servers using Schema Conversion Tool(SCT).
• With DBMS migration skills, automated DB product conversions, test plan assistance, ongoing data synchronization. This helped in DB migration Service Configuration and execution.
• Used Amazon RDS for DB instance class configuration/scaling, DB instance management, creating DB parameter groups, DB option groups, DB subnet groups and maintained RDS maintenance windows.
• Designed DRP with availability of the region/availability zone configurations, multi-AZ deployments and creating read replicas to MySQL, MariaDB, PostgreSQL.
• Created Access control/IAM policies, DB security groups, Amazon security groups, VPC security groups, RDS encryption configuration, DB auditing and SSL support.
• Wrote CloudFormation templets which helped in Snapshots of the servers, DB backup, creating backup windows and backup retention.
• Used Amazon services like CloudWatch alarm administration, logs and events to monitor the plan is working fine. Used Amazon DB log files, RDS event management to keep track on the databases.
• Recommended services like performance tuning and problem analysis resolution to keep track on the performance issues.

Tools: AWS Management Console, AWS Command Line Interface, Amazon CloudWatch, AWS Key Management Service, Amazon RDS Console, Amazon RDS API, Amazon Event Notification, Enhanced Monitoring Option, AWS Lambda

Confidential, Eden Prairie, MN

Sr. Cloud Automation DevOps Engineer

Responsibilities:

• Involved in designing and deploying multitude applications utilizing AWS stacks like EC2, Route53, S3 RDS, SNS, SQS, Dynamo DB ELK focusing on auto scaling in AWS cloud formation and high-availability fault tolerance.
• Created, maintained and handled different operations like maintaining and troubleshooting EC2 instances, S3 buckets, VPC (Virtual Private Clouds) and ELB (Elastic Load Balancers) on AWS Cloud Resources.
• Designed and deployed several applications using AWS stack (EC2, route 53, S3, RDS) focusing upon high-availability, auto-calling and Cloud Formation.
• Managed the AWS VPC network for the Launched Instances and configured the Security Groups and Elastic IP's accordingly. Worked with Cloud Trail, Cloud Passage, Check Marx, Qualys Scan tools for AWS security and scanning.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, Node.ps, Python on familiar servers like Apache, Nginx, Tomcat.
• Triggered LAMDA from DynamoDB where LAMBDA runs data transformation code and loads results into data warehouse by using REDSHIFT which is a Internet hosting service.
• Utilize Cloud Watch to monitor resources such as EC2, CPU memory, Amazon RDS DB services, Dynamo DB tables, EBS volumes to set alarms for notification or automated actions and to monitor logs for a better understanding and operation of the system.
• Installed Pivotal Cloud Foundry (PCF) on EC2 to manage the containers created by PCF . Used Docker to virtualize deployment containers and push the code to EC2 cloud using PCF .
• Successfully migrated on-premises applications to GCP using tunneling method, used IPSEC-v4 tunneling process to migrate from cloud to cloud.
• Worked on GCP services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment manager.
• Established failover and auto-scaling for all critical applications by using HA Proxy/Nginx for Load Balancing in GCP . Configured monitoring of uptime and performance for all production systems by GCP Stack driver .
• Integrated technologies such as Docker and Kubernetes , a powerful cluster manager and orchestration system for running your Docker containers by using OpenShift Google Cloud Platform .
• Extensively used Google stack driver for monitoring the logs of both GKE and GCP instances and configured alerts from Stack driver for some scenarios.
• Maintained and developed Docker images for a tech stack including Cassandra, Kafka, Apache, and several in house written Java services running in Google Cloud Platform ( GCP ) on Kubernetes .
• Integrated Docker container orchestration framework with Kubernetes by creating pods, config Maps, deployments, Replica sets, nodes etc.
• Experience in developing CI/CD system with Jenkins on Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build, test and deploy and troubleshooting pods through SSH and logs, writing/modification of Buildconfigs, templates, Imagestreams etc.
• Worked on setting up Splunk to capture and analyze data from various layers Load Balancers, Webservers and application servers.
• Provide regular support guidance to Splunk project teams on complex solution and issue resolution. Checking traffic / Errors on JBoss Web App API's via Splunk and command line
• Created, managed and performed container-based deployments using Docker images containing middleware (Apache Tomcat) and Applications together and evaluated Kubernetes for Docker container orchestration.
• Expertise in virtualization of servers using Docker , worked with Docker Engine and Docker Machine, to deploy the micro services-oriented environments, and configuration automation using Docker containers.
• Involved in writing various custom Ansible playbooks for deployment orchestration and developed Ansible Playbooks to simplify and automate tasks. P rotected encrypted data needed for tasks with Ansible Vault.
• Responsible for Creating Ansible Inventory files, hosts, handlers, tasks, templates, roles and group vars to build and Automate AWS Environment/infrastructure.
• Built complete Configuration Management for the Microservices using Kubernetes, Docker and Ansible .
• Implemented continuous integration using Jenkins . Configured security to Jenkins and added multiple slaves for continuous deployments.
• Implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
• Built Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes , Created Pods and managed using Kubernetes .
• Utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build , test , and deploy . Created Jenkins jobs to deploy applications to Kubernetes Cluster .
• Hands on experience in using ELK (Elastic Search, Kibana, Log stash), Splunk, Nagios to get data for each application about usage.
• Automated the deployment process by writing Perl, Python scripts in Jenkins.
• Extensive experience in Centos / RHEL/Unix system Administration, System Builds, Server Builds, Installations, Upgrades, Patches, Migration, Trouble shooting on RHEL 4.x/5.x, Centos, Troubleshooting Server issues.
• Working on User requests via ticketing system (JIRA) related to system access, logon issues, home directory quota, file system repairs, directory permissions, disk failures, hardware and software related issues.
• Setting up network environments using TCP/IP, NFS, DNS, DHCP, FTP, SFTP, SSHD and proxy.

Environment: AWS, CloudWatch, AWS Lambda, Google Cloud, Google stack driver, GIT, GITHUB, Jenkins, Docker, K8S, Ansible, ELK, Splunk 5.0, 6.0, Python, Nexus Artifactory, RHEL

Confidential, Charlotte, NC

DevOps/Cloud Engineer

Responsibilities:

• Built CloudFormation and TERRAFORM templets using JSON and python scripting for cloud infrastructure.
• Creating an AWS RDS MySQL DB cluster and connected to the database through an Amazon RDS MySQL DB Instance using the Amazon RDS Console.
• Deployed builds in Data Center servers by implementing Chef recipes. Modified and re-used the Chef recipes for direct deployment into the EC2 instances.
• 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.
• Handled the migration of the on premises application to AZURE and provided the resources to enable them. Used all sort of AZURE tools and auto-scaling polices for scalability elasticity and availability.
• Worked on resolving the issues with Databases migration to Azure Cloud by assessing the database for compatibility by using the latest version of the Data Migration Assistant (DMA), preparing necessary fixes as Transact SQL-scripts and also optimized the data transfer performance during Migration.
• Built Azure Disaster Recovery Environment and Azure Backups from scratch using PowerShell Scripts. Also, Designed, deployed, and maintenance of a full stack Kubernetes environment, running on Azure Cloud.
• Created Cache Memory on Azure to improve the performance of data transfer between SQL AZURE and WCF services.
• Configured DSC to deploy Web Servers to AZURE VMs. Used DSC configuration to configure Azure automation to assign permissions through RBAC, assign nodes to proper automation accounts, to get alert on any changes made to nodes and their configuration.
• Experienced in building Red Hat OpenShift container platform for DOCKER . Used Docker Swarm to manage containerization application using nodes and deployed application containers as pods.
• Developed DOCKER images to support teams of development and testing by setting a pipeline between Jenkins, Selenium, JMeter images, Kibana and Logstash (ELK and EFK)
• Used Chef as configuration management tool to deploy consistent infrastructure across multiple environments.
• Designed Chef Cookbooks to support the JAVA and PYTHON applications. Developed new features and provided support for all identity micro services.
• Wrote wrapper scripts to automate the deployment of cookbooks on nodes and to run the chef client on the chef solo environment and compliance including bootstrapping of chef client nodes for provisioning, create nodes and roles.
• Worked on Chef-server/workstation and nodes via CLI tools, deployed packages and web applications on nodes through chef-server by using chef-client.
• Used Knife tool to authenticate between workstation and chef-server and used chef-client to authenticate between Chef-server and nodes.
• Created the CI/CD pipeline and provided the required parameters and servers for the Build and Release Management in VSTS.
• Used GIT, JENKINS, MAVEN, SONARQUBE and NEXUS to build the CI-CD pipeline. Later used CHEF as configuration management tool.
• Developed build and deployment scripts using MAVEN as build tool, and integrated selenium in Jenkins, to perform the automated integration test.
• Worked with build pipeline set up for CI/CD using Jenkins Enterprise editions and deploy to orchestrated changes across many servers and components.
• Deployed and configured Prometheus to monitor Kubernetes nodes with node-exporter, monitor Kubernetes API and resources with kube-state-metrics
• Develop, Maintain, update various script for services (start, stop, restart, recycle, Cron jobs) Unix based Korn shell, Bash.
• Installed, managed and administrated of all Linux/Unix servers by applying relative patches and packages at regular maintenance periods using RedHat Satellite server, YUM and RPM tools.
• Planned release schedules with Agile methodology & coordinated releases with engineering and SLA for timely delivery.

Environment: GIT, GITHUB, Nexus, Maven, Gradle, PowerShell, AWS, CloudFormation, Azure, Chef, Ansible, Docker, Kubernetes, Prometheus, Jira.

Confidential, Manassas, VA

AWS Cloud Engineer (off-shore)

Responsibilities:

• Planning, deploying, monitoring, and maintaining Amazon Web Services (AWS) cloud infrastructure consisting of multiple EC2 nodes and VMWare's as required in the environment.
• Configured SNS, SQS, RDS, DynamoDB, S3, IAM, Cloud Front, ELB to setup environment ready for cloudification and Cloud Watch, Nagios to monitor real-time granular metrics of all the AWS Services and configured individual dashboards for each resource Agents.
• Worked on multiple AWS instances, setting up the Elastic Load Balancer (ELB), security groups, AMIs and auto scaling to design fault tolerant and to make the systems highly available.
• Used security groups, network ACLs , Internet Gateways, NAT instances and Route tables to ensure a secure zone for organizations in AWS public cloud.
• Monitored live traffics, logs, memory and disk utilization and various factors responsible for deployment. Automated CRON jobs using bash scripting.
• Expertise in using bash and python scripts to automate AWS services like web servers, ELB, EC2, S3 bucket and application configuration. These scripts also helped in creating stacks, single servers or help in joining web servers to the stacks.
• Setting RedHat servers for different kinds of applications like RNM, VNIC, UAS, KMF and ISSI gateways.
• Used Amazon RDS Multi-AZ for automatic failover and high availability at the database tier for MySQL workloads. Creating an AWS RDS MySQL DB cluster and connected to the database through an Amazon RDS MySQL DB Instance using the Amazon RDS Console.
• Installed and configured New monitoring service called ALERTA and integrated Nagios, AWS CloudWatch and pingdom on to ALERTA console.
• Used Nagios as a monitoring tool to identify and resolve infrastructure problems before they affect critical processes and worked on Nagios Event handlers in case of automatic restart of failed applications and services. Used Nagios to monitor the network service like SMTP, POP3, HTTP, NNTP, SSH
• Own full lifecycle of build system- from analysis, development, implementation and support of builds unit testing and deployments.
• Used JENKINS/RTC and GIT dependency management system to deploy snapshot by using the shell scripting and released artifacts to Nexus to share artifacts across projects and environments.
• Managed and administrated of all UNIX servers, includes Linux operating systems by applying relative patches and packages at regular maintenance periods using Red Hat Satellite server, YUM, RPM tools.
• Creating an AWS RDS MySQL DB cluster and connected to the database through an Amazon RDS MySQL DB Instance using the Amazon RDS Console.
• Used ROUTE53 to configure DNS failover to manage DNS zones and to provide public DNS names to elastic load balancers IP’s.
• Experienced in securing infrastructure using AWS IAM and security groups in public and private subnets in VPC.
• Experienced working on Terraform, which is used to create and composed all the components necessary to run application.
• Managed Git repository, code merging, and production deployments. Coordinate/assist developers with establishing, applying appropriate branching, labeling/naming conventions using Subversion, Git source control.

Environment: AWS, CloudWatch, AWS Lambda, Docker, GIT

Confidential

DevOps/Build and Release Engineer

Responsibilities:

• Designed Ansible playbooks using YAML to Provision several pre-mode environments.
• Consisting of POSTGRES Database installations, Web Logic Domain creations and several proprietary middleware installations.
• Installed and configured the Rabbit MQ environment for the Analytics and setup the supervisor for managing process availability.
• Responsible for the maintenance and development of processes and supported tools/scripts for the automatic building, testing and deployment of the products to various developments.
• Developed Puppet Modules for installation & auto healing of various tools like Jenkins, Nolio agents, MSSQL, Nexus etc. these modules are designed to work on both windows and Linux platforms
• Involved in troubleshooting the automation of installing and configuring JAVA applications in the test and pre-production environments.
• Integrated MAVEN, JENKINS, ANSIBLE and NEXUS to implement the continuous delivery framework in Linux environment.
• Install, configure, update, and troubleshoot database servers like MSSQL Cluster, MySQL, Oracle9i/10g/11g, Mongo DB 2.x and 3.0.
• Experienced in User Management and Plug-in Management for JENKINS using LDAP authentication process.
• For the deployment of the artifacts used NEXUS Artifact Repository Manager.
• Successfully implemented the Master-Slave architecture setup to improvise the performance of Jenkins.
• Configured and administrated CI-CD pipeline using JENKINS as integration, MAVEN as build and GIT as Source code management tools.
• Verified and rectified the errors that are basically caused in CI-CD pipeline setup. Setup constant security checks to CI-CD pipeline to successfully monitor the faster events which may occur and to solve them.
• Used NEXUS as repository antifactory and deployed the archives like war files into the TOMCAT Application Servers.
• Used SonarQube in build system for continuously inspecting the code quality, Nagios for monitoring and performed log analysis using ELK stack and created monitoring charts.
• Designed ANT and MAVEN scripts to automate the build process for JAVA projects in building artifacts for the source code.
• Experience in using XML to write the ANT and MAVEN scripts.
• Automated the build and release management process including monitoring changes between release.
• Used SHELL, PYTHON and PERL scripting languages to design the automation process in the build process.
• Worked on SDLC model with architects and later started using SVN tool as Source Code Management tool.
• Experienced in migrating data from SVN to GIT. Designed branching and build/release strategies utilized for GIT (sub-version).
• Linux System Administration on RHEL 5.x/6.x. Experienced in bash and python scripting.

Environment: Java, J2EE, SVN (Subversion), Hudson Ant, Maven, Jenkins JIRA, Shell/Perl Scripting, Nagios, WebSphere, UNIX.

Confidential

Systems Admin

Responsibilities:

• Implemented Iptables and ACL on Red Hat Linux servers.
• Installed, configured and deployed NetBackup media servers to handle varying levels of data traffic and load.
• Disk configuration & Managing File Systems in RHEL 6 environment using LVM.
• Good working experience in enabling WebSphere global security using Local OS and Sun One LDAP (LTPA mechanism), SSL configuration and Ordering digital certificates.
• Executed password monitoring system at centralized manner and maintenance of clusters in SOX.
• Provided technical assistance for development of antivirus scanning and updating through McAfee applications.
• Monitoring server resource utilization and administrating servers to maintain system efficiency using OMD and Nagios.
• Administered the Domain Name Server (DNS). The DNS is tied to the directory, and the operation of the directory service is based on a properly functioning dynamic DNS infrastructure.
• Install and configure users with VPN access & remote access Experience with System Center Configuration Manager (SCCM). Patching updates/ Application Inventory/ deploying software etc.
• Took support of VROPS tools to dig into the errors and resolve the issue in precise fashion. It's helpful in providing the LUN number for the Storage department instead of logging into the console and previewing it.
• Perform Virtual machine deployments and extensively use utilities and high Availability tools.
• Monitoring System Performance of Virtual memory, Managing Swap Space, Disk utilization and CPU utilization.

Environment: RHEL, DNS servers, VPN, bash/shell, PERL scripting.

Confidential

Systems Engineer

Responsibilities:

• Implemented open source base monitoring tool Nagios 3.0 for servers, SAN switches, EMC SAN Storage and VMware ESX and ESXi.
• Monitored CPUs, IDE/SCSI disks, RAID controllers and network parameters using the NAGIOs monitoring tool and performance tools.
• Integrated more than 500 Linux servers to authenticate Windows Active Directory using Winbind and Samba.
• Installation and configuration of Oracle 8/9i database on Sun Solaris Servers. Integrated of Linux/Solaris with Active Directory.
• Implemented Spacewalk Open Source (Red Hat Satellite Server) System management application for auto provisioning, software grouping, custom package channel, system inventory, auto deploying patches and monitoring of Red Hat Servers.
• Performed Patching and upgrades (release), on stand-alone servers (using single user mode), and live upgrade of servers in production using YUM Update/RPM Manager from repository or Red hat subscription management service.
• Activities include user administration, startup and shutdown scripts, crontab’s, file system maintenance backup scripting and automation using PERL, SHELL scripting (BASH, KSH) for Red Hat Linux systems.

Environment: RHEL, VMware ESXi, VSphere, DNS, DHCP, NFS, Linux, Unix, Shell, Perl, Active Directory.

Confidential

Jr. Linux Administrator (internship)

Responsibilities:

• Installation, patching, configuration, administration and troubleshooting of Red Hat Linux, Debian, Ubuntu and servers like Oracle Enterprise Linux (OEL).
• Experienced in installing, integration of web servers such as Apache Tomcat with databases and create LAMP servers.
• Maintained file systems, system security and performing the tuning of the servers. Also maintained partitioning and mounting the file systems.
• Installed, configured and managed DHCP, TCP/IP, UDP, FTP, NFS servers and clients, also assigned IP addresses to client hosts.
• Used shell scripting for startups and backups for databases using bash shell scripting.
• Used bash script for system maintenance and file management.

Environment: Red Hat Linux 3.x/4.x/5.x, CentOS 4.6/4.7/5, VMware, Apache 2.0, NFS, Software RAID, DNS Servers.