Aws/devops Engineer Resume
Raleigh, NC
SUMMARY
- 10+ years of experience in IT industry comprising of Linux Administration, Build and Release, DevOps and AWS Cloud Services that includes principles with keeping up Continuous Integration, Continuous Delivery and Continuous Deployment in various environments like (DEV/TEST/STAGE and PROD).
- Experience in AWS Cloud IaaS stage with components VPC, ELB, Auto - Scaling, EBS, AMI, EMR, Kinesis, Lambda, Cloud Formation template, Cloud Front, Cloud Trail, ELK Stack, Elastic Beanstalk, Cloud Watch and DynamoDB.
- Perform analysis of large Data sets using components from the Hadoop ecosystem.
- Experience in maintaining the user accounts (IAM), RDS, Route53, VPC, RDS, Dynamo DB and SNS services in AWS cloud.
- Experienced with setup, configuration and maintain ELK stack (Elastic search, Log stash and Kibana) and Open Grok source code (SCM)
- Strong hands-on background in database technologies (Oracle, Mysql, MS SQL, RDS, DynamoDB)
- Experience in Micro services development using spring boot and deployment in Pivotal Cloud Foundry (PCF)
- Work with the application team to design and develop an effective Hadoop solution. Be actively engaged and responsible in the development process.
- Involved in designing and deploying multitude applications utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, Maria DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and Auto scaling in AWS Cloud Formation.
- Experience in security policies like Security Groups, IAM roles and Multi Factor Authentication.
- Experienced in monitoring metrics on EC2, EBS, Elastic Load Balancer, RDS USING Cloud Watch.
- Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
- Hands on experience in S3 buckets and managed policies for S3 buckets and utilized S3 Buckets and Glacier for storage, backup and archived in, PCF, AWS and in setting up and maintenance of Auto-Scaling AWS stacks.
- Designed high availability environment for Application servers and database servers on EC2 by using ELB and Auto-scaling. Installed application on AWS EC2 instances and configured the storage on S3 buckets.
- Extensively worked on Jenkins for continuous integration and for End to End automation for all build and deployments.
- Experience in security policies like Security Groups, IAM roles and Multi Factor Authentication.
- Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS Cloud. configuration. Also, gain familiarity with surrounding technologies such as Mesos (Mesosphere) and Kubernetes.
- Hands on in using Bamboo modules such as Build Complete Action, Build Plan Definition, and Administration configuration. Involved in Provisioning AWS Infrastructure using Terraform scripts from Jenkins.
- Extensive hands on experience with recipes, cookbooks for applying across multiple nodes with chef with templates, roles, knife plugins, chef supermarket and deploying nodes in production environment .
- Experience in Writing Chef Cookbooks and Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
- Skilled in monitoring servers using Nagios, Cloud watch and using ELK Stack Elastic search Fluentd Kibana.
- Experience with infrastructure automation tool - Terraform. Implement Infrastructure as Code utilizing Terraform for AWS resource provisioning and management.
- Analyzing in working with Ansible, wrote many playbooks to manage Web applications, Environments configuration Files, Users, Mount points and Packages.
- Experience in writing Ansible Playbooks and Puppet Manifests to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and other applications .
- Expert in Chef/Puppet as Configuration management tool, to automate the repetitive tasks, quickly deploy critical applications, and enthusiastically managed the changes.
- Experienced in keeping up and looking at log archives using monitoring tools like Nagios, Splunk, Cloud Watch, ELK Stack, New Relic and App Dynamics.
- Experience in working with cluster management and orchestration features embedded in Docker Engine which is built using Swarm Kit and worked on creation of custom Docker container images, tagging, pushing the images and Dockers consoles for managing the application of life cycle .
- Extensively used Docker/Kubernetes for containerization, virtualization, Ship, Run and Deploy the application securely to fasten Build/Release Engineering .
- Excellent knowledge of Linux including CentOS, RedHat, Ubuntu, Debian, configuration and administration of Red Hat Virtual machines in VMware Environment .
- Experience working with APIGEE Edge, Developer Portal & APIGEE Baas platform.
- Working Knowledge on databases like MySQL, RDS, DynamoDB and MongoDB. Experienced in Administration, Support, Performance Tuning, Migration and Maintenance of Servers .
- Skilled in monitoring servers using Nagios, Cloud watch and using ELK Stack Elastic search Fluentd Kibana.
- Good experience in developing customized policies in APIGEE Edge and developing API's in APIGEE Baas.
- Involved in JIRA as defect tracking system and configure various workflows, customizations and plugins for JIRA bug/issue tracker, integrated Jenkins with JIRA, GitHub.
- Involved in the functional usage and deployment of applications in Web Logic, WebSphere and Apache Tomcat Server
- Experience in administering and maintainingLinuxservers in production environments.Supported in installation of packages/patches onLinuxplatforms.Implemented Backup & Disaster recovery management onLinuxplatforms.
- Experience of the full Software Development Life Cycle (SDLC).Also experienced the Methodologies & Validations to ensure Quality Assurance Control.
- Troubleshooting any build issue withELKand work towards the solution.
- Experienced in configuration and maintenance of commonLinuxservices such as Tomcat, Apache, MySQL, NFS, FTP, Postfix, LDAP, DHCP, DNS BIND, HTTP, HTTPS, SSH, iptables and firewall etc.
- Strong understanding in writing the automation of processes using the shell script with bash and Python
- Building servers with jumpstart using Kick start, CD on timely basis, along with corporate wide requirements
- Experienced in Troubleshooting. Splunk search, quotas, monitor Inputs, WMI Issues, Splunk crash logs and Alert scripts.
- Experienced with principles and best practices of Software Configuration Management (SCM) in Agile, scrum, and Waterfall methodologies.
TECHNICAL SKILLS
Operating Systems: Linux (RedHat, Ubuntu, CentOS), Windows, MAC
Build/Automation Tools: Jenkins, Maven, Ant, Bamboo, Team city, Build Forge, Gradle, TFS
Configuration Management Tools: Ansible, Chef, Puppet, Salt Stack
Cloud Technologies: AWS, Open stack, Azure, PCF
Scripting Languages: Shell, Bash, Perl, Python, Groovy, .Net, PowerShell, Terraform
Database System: MySQL, IBM DB2, Dynamo DB, Mongo DB, Cassandra, Hadoop.
Web/App Server: Apache, IIS, HIS, Tomcat, WebSphere Application Server, Web Logic, Jboss
Version Control Tools: GIT, Subversion, Bit Bucket, CVS.
Web Technologies: Servlets, JDBC, JSP, XML, HTML, YAML, Swagger Tool.
Virtualization Tools: VM Ware, Power VM, Virtual box, V Centre, vSphere, WebLogic.
Monitoring Tools: Nagios, Cloud Watch, Splunk, ELK, App Dynamics, Data dog
PROFESSIONAL EXPERIENCE
Confidential - Raleigh, NC
AWS/DEVOPS ENGINEER
Responsibilities:
- Configured and maintained user accounts forShared, R&D, Staging and Applicationteam and created roles for EC2, RDS, S3, Cloud Watch, EBS resources to communicate with each other usingIAM.
- Responsible for provisioning AWS services like EC2, S3, Glacier, ELB (Load Balancers), Auto Scaling Groups, Optimized volumes, VPC, RDS, SNS, and EBS, IAM, Red shift, EMR, Glue, etc.
- Complete Git workflow for the deployments on different environments and automated deployments though Jenkins pipeline.
- Manage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for GIT and Puppet.
- Created users and groups usingIAMand assigned individual policies to each group.
- Monitoring each service deployment, and validating the services across all environments.
- Set up and maintained Logging and Monitoring subsystems using tools loke, Elasticsearch, Fluentd, Kibana, Prometheus, Grafana and Alert manager.
- Managed Amazon red shift clusters such as launching the cluster by specifying the nodes and performing the data analysis queries.
- Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.
- Infrastructure design for the ELK Clusters.
- Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
- Integrate Splunk with AWS deployment using Puppet to collect data from all database server systems into Splunk.
- Responsible for design and maintenance of the GIT, repositories, views, and the access control strategies.
- Installing, configuring, and administering Jenkins Continuous Integration tool onLinuxmachines along with adding/updating plugins such as GIT, maven, and Ansible.
- Developed Views and Templates with Django view controller and template language to create a user-friendly website interface.
- Creating Lambda function to automate snapshot back up on AWS and set up the scheduled backup.
- Written scripts in terraform when required and Parser files of complexity when required.
- Extensive use of terraform as an infrastructure as code to automate the tools to create required services in AWS.
- Used Ansible and other configuration management tools to deploy consistent infrastructure code across multiple environments.
- Established infrastructure and service monitoring using Prometheus and Grafana.
- Written scripts in Python to automate log rotation of multiple logs from web servers.
- Used Maven to automate the build process. Configured and automated then Jenkins build jobs for continuous integration.
- Running Playbooks on server of both environment (prod and Non-prod) by making necessary changes in the playbook.
- Used Python and Django for JSON processing, data exchange and business logic implementation.
- Configured the RPM environments build for Centos OS for building and compiling the packages.
- Involved in writing custom Shell scripts, VM and Environment management.
- Implemented a Continuous Delivery framework using Jenkins, Puppet, Maven and Nexus in Linux environment.
- Handled integration of Maven/Nexus, Jenkins, GIT, Confluence and Jira.
- Setting up and configuring of Nagios, improved monitoring in Nagios and custom plugins.
- Automated AWS components like EC2 instances, Security groups, ELB, RDS, IAM through AWS Cloud information templates.
- Implemented Networking policies for Docker containers with open source development tools like Docker containers.
- Worked on Jira for sprint tasks, issue tracking and for submitting access issue tickets.
- Worked on configuring S3 versioning and lifecycle policies for backing up files and archive those baked up files in Glacier and created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
- Worked on Confluence for documenting tasks performed on a daily basis.
- Installation and configuration of MySQL and database on Red Hat Servers.
- Utilize the LAMP stack (Linux, Apache, MySQL, PHP /Perl) to meet customer needs. Designing and implementing for fully automated server build management, monitoring and deployment by using DevOps Technologies like AWS,Ansible, git, github and Jenkins .
- Implementation/setup continuous project build and deployment process using Git,Jenkins, Ansible, AWS EC2 & Tomcat.
- S3 infrequent Access and reduced redundancy storage.
- AWS Simple storage service (S3) provides to create the buckets with unlimited storage.
Environment: Java/J2EE, Ant, Maven, Nexus, Jenkins, GIT, SVN, UiPAth, Chef, Docker, Jira,, VM Ware, Cloud watch, AWS (EC2, VPC, ELB, S3, Glacier, RDS, IAM, Cloud Trial, Route 53), Python,, SQL, Shell Scripting, Terraform.
Confidential - Glendale, AZ
AWS/DEVOPS ENGINEER
Responsibilities:
- Use AWS services EC2, VPC, IAM, S3, AWS resource access manager, ELB, ASG, Cloud Watch, Cloud Trail, SNS, Elastic search, ECS etc.
- Managed AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our environments. Manage and maintained and deployed to Dev, QA and Prod environments.
- Automated build and deployment process for Micro services, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
- Configured and managed AWS Glacier, to move old data to archives based on retention policy of databases/ applications (AWS Glacier Vaults).
- Builds and mentors software delivery teams in Waterfall and Agile projects.
- Configuring nginx for proxy RESTful API calls to micro-services in Docker containers.
- Setup data dog monitoring across different servers and aws services.
- Implemented Micro services in load balanced, highly available, fault tolerant Kubernetes infrastructure.
- Worked on Bogie Pipeline which is the internal tool for CI/CD. On boarding Various Micro services using Bogie. Doing Micro services deployments and troubleshooting any errors.
- Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins, Bogie along with Python and Shell scripts to automate routine jobs. Worked with the Architects on SDLC process being the part of post development environments.
- Install, configure, and maintain ELK stack systems.
- Developed an ETL process to pull dealer data from snowflake to Oracle for Drive Train Consumer needs
- DeployingElastic searchto assist with environment logging requirements. Created different variations of Kibana dashboard running different instances of Elastic search, Log stash and Kibana and Kubernetes.
- Responsible for planning index and shards and index TTL strategies in Elastic search. Troubleshooting Elastic search errors.
- Postgre SQL widely using for open source RDBMS while snowflake is multi-structured data handler.
- Involved in writing Java API for AWS Lambda to manage some of the AWS services and Kubernetes.
- Have designed Lambda function to detect and trigger the application whenever there a document is uploaded to AWS s3 bucket.
- Migration project from Oracle to Snowflake warehouse to meet the SLA of customer needs, Created ETL mapping document and ETL design templates for the development team.
- Created ETL pipelines using Stream Analytics and Data Factory to ingest data from Event Hubs and Topics into SQL Data Warehouse.
- Upgraded and patched Oracle database on Windows and Unix servers
- Scheduled various AWS Lambda functions to trigger various AWS resources.
- Created different elastic search queries and python scripts to analyze the data from different Microservices and run it through Logstash, pass it through Elasticsearch and visualized them in Kibana depending on the different kinds of logs.
- Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and managed releases of Helm packages.
- Created SQL server Db using RDS and generated the schema for the existing tables present in S3 using AWS Glue. Data Extraction, aggregations and consolidation of Adobe data within AWS Glue using PySpark, installing of HA Proxy.
- Setup AWS infrastructure monitoring through Data dog and application performance monitoring through App Dynamics.
- Configured Cloud Watch andData dogto monitor real-time granular metrics of all the AWS Services and configured individual dashboards for each resource Agents.
- Increased pre-production server visibility by producingData dogmetrics. Enabled Data dog APM, JVM metrics in different Micro services. Creating Data dog Dashboards to visualize different Micro services metrics.
- Created index in ELK stack to send the application logs using fluentd. Restricting the access to ELK using Security groups and I am policies.
- Creating Monitors for Datadog and Cloud Watch using terraform. Integrating Data dog with Slack and Pager Duty.
- Integrate Data dog in Jenkins pipeline and Automate the Dashboard and Alerts.
- Work with the application team to design and develop an effective Hadoop solution. Be actively engaged and responsible in the development process.
- Designed dynamic client-sideJavaScriptcodes to simulate process for web application, page navigation and form validation.
- Created system alerts using various data dog tools and alerted application teams based on the escalation matrix.
- Integrated Maven with GIT to manage and deploy project related tags. Worked on Maven to create artifacts from source code and deploy them in Nexus central repository for internal deployments. Branching and merging code lines in the GIT and resolved all the conflicts raised during the merges.
- Worked on creating the queries for Kibana, Grafana and New Relic. Worked on Influx DB for creating the Data Source. Worked on Creating ECS clusters in AWS, using DevOps tools like Docker.
- Performing Load test and writing various scripts for performing failure testing, resiliency testing, load testing, etc.
- Defined and Implemented Software Configuration Management Standards based on Agile/Scrum methodologies, in line with the organization.
- Worked with a complex environment on RedHat Linux while ensuring that the systems adhere to organizational standards and policies.
- Researched and recommended open source tools, practices, and methodologies that enhance our day to day productivity.
- WrittenCloudFormation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of Infrastructure as a Code.
- Experience with setting up Chef Infra, Bootstrapping nodes, creating and uploading recipes, node convergence in ChefSCM.
- Used Informatica Power Center 7.1/6.0/5.1 to load extract data from Flat Files, Oracle, and Sybase databases and load to Sybase, Oracle, TeraData database and Flat Files.
- Involved in AWS EC2/VPC/S3/SQS/SNS based automation through Docker, Terraform, Ansible, Python, Bash Scripts. Adopted new features as they were released by Amazon, including ELB&EBS.
- DevOps role converting existing AWS infrastructure to Server-less architecture(AWS Lambda, Kinesis)deployed via terraform.
Environment: AWS, Jenkins, Bogie, Datadog, Cloud Watch, Terraform, Kafka, nginx,ELK, EKS, EMR, Ec2, S3, IAM, VPC, Security Groups, PCF, Snowflake, Python, Maven, Linux, Kubernetes, JIRA, KANBAN, Elastic Search, Log stash, Splunk, AWS Red Shift, ECS, Influx DB, Hadoop, Data dog, Docker, ETL.
Confidential, Madison, WI
DEVOPS ENGINEER
Responsibilities:
- Build AWS infrastructure using almost all the resources like VPC, EC2, S3, IAM, EBS, Security Group, Auto Scaling, EMR and RDS in Cloud Formation templates, Amazon ECR.
- Implemented several Continuous Delivery Pipelines for different products using Jenkins, Go-CD and Bamboo. Set up build pipelines in Jenkins by using various plugins like Maven plugin, EC2 plugin, Docker, Terraform, JDK etc.
- Built and Implemented collaborative development environment using GIT, GitHub and integrated it with Jenkins. Set up Jenkins master and added the necessary plugins and adding more slaves to support scalability and Agility. Experience with build tools Ant and Maven for writing build.xmls and pom.xmls respectively.
- Created and maintained various DevOps related tools for the team such as provisioning scripts, deployment Tools and staged virtual environments using Docker and Vagrant.
- Deployed and maintained chef role-based application servers, including Nginx, apache and tomcat.
- Responsible for ensuring Continuous Delivery/Continuous Integration across all environments from UAT/TEST to Pre-Production and Production using Jenkins and Team City, Concourse.
- Outlined ETL strategy in document to address the design in extracting, transforming and loading process to meet business requirements.
- Used Informatica Power Center 7.1/6.0/5.1 to load extract data from Flat Files, Oracle, and Sybase databases and load to Sybase, Oracle, TeraData database and Flat Files.
- Configured and worked on static code quality and coverage tools like Sonar Qube. Onboard numerous applications into Sonar Qube and help maintain the Sonar Qube installation.
- Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
- Have designed Lambda function to detect and trigger the application whenever there a document is uploaded to AWS s3 bucket.
- Created custom monitors, alarms and notifications for EC2 hosts using Cloud Watch. Configured and administered GitHub Enterprise in AWS with High Availability (HA) enabled and handled. Maintained branches/forks in GitHub version control for the changes made in cookbooks as per release.
- Extensively used Docker for virtualization, Ship, Run and Deploy the application securely to fasten Build/Release Engineering. Worked on Docker and Vagrant for different infrastructure setup and testing of code.
- Hands-on Experience in the design, implementation, and support of automated containerized infrastructure (Docker), leveraging continuous integration and continuous delivery processes for service development, and Cluster/monitoring/ for infrastructure service deployment and administration. Evaluated Kubernetes for Docker container orchestration.
- Used Maven dependency management system to deploy snapshot releases and release artifacts to nexus to share artifacts across the projects. Used Build tools like maven for building and deploying artifacts such as WAR from source code. Setup Custom Service, job Scheduler, and set repetitions options using Playbooks in Ansible.
- Performed Health checks for applications before moving to production. Configured and managed Jenkins and Deploy for continuous Integration and end to end automation for all the build and deployments.
- Created and maintained build related scripts developed in ANT and Python and worked with development team to migrate Ant scripts to Maven. Rolled out Ansible automation and wrote playbooks and plays to update configurations of network services.
- Created S3 backups using versioning enable and moved objects to Amazon Glacier for archiving purpose. Participated in weekly release meetings with Technology stakeholders, identify and mitigate potential risks associated with the releases.
- Developed test scripts using groovy for data driven testing of SOAP and REST Web service using SOAP UI. Experience on Groovy Scripts for Web Service API Testing. Experience testing security products a plus.
- Experience in automating Application Server Tomcat, JBOSS and Web Logic using Ansible. Experience in Automating Microsoft SQL server 2014 using PowerShell on Windows Machine 2012 R2.
- Perform Upgrades for Team Foundation Server and help migrate to Team Services Experience providing Continuous Integration/Delivery solutions (Jenkins, Maven and UDeploy).
- Documented Rest API using Swagger Tool. Implemented, Developed and Deployed Java Micro services on aws cloud.
- Creating the build definitions for various applications using MS Build. Installed MS Build extension pack and Team Foundation Power Tools. Implemented Team Foundation Server TFS as Version Management for Microsoft Technologies.
- Experience in automation AWS environment using Terraform. Configured AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS MySQL DB cluster, AWS-Dynamo DB and AWS-Red Shift.
- Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, and IIS.
Environment: AWS, Micro services, GitHub, Ansible, Jenkins, Tomcat, Apache, Python, Maven, Linux, Docker, Vagrant, Sonar Qube, Jboss, Web Logic, Team city, GitHub, JIRA, RPM, KANBAN, Elastic Search, Log stash, Splunk, Nginx, AWS Red Shift, Oracle, MS BUILD, TFS, Concourse, Circle CI, Groovy, HA Proxy.
Confidential, Jacksonville, FL
DEVOPS ENGINEER
Responsibilities:
- Experienced in configuration and maintenance of commonLinuxservices such as Tomcat, Apache, MySQL, NFS, FTP, Postfix, LDAP, DHCP, DNS BIND, HTTP, HTTPS, SSH, IP tables and firewall etc.
- Experience in Installing, configuring and maintaining the file sharing servers like Samba, NFS, FTP and also Web Sphere & Web Logic Application Servers, Nagios.
- Primary responsibilities include Build and Deployment of the java applications into different environments like Dev, INT and QA.
- Ability to handle load balancer implementations like bonding multiple interfaces into single bond in case of over load on LAN devices.
- Well used and experience in deploying the code through web application servers like Apache Tomcat and NGINX.
- Experience in Software Configuration Management (Daily Build, Release and Testing methodology) using tools like Microsoft Visual Source Safe (VSS), Subversion, Kubernetes, and GIT.
- Strong understanding in writing the automation of processes using the shell script with bash and Python.
- Building servers with jumpstart using Kick start, CD on timely basis, along with corporate wide requirements
- Creating and managing virtual memory (swap spaces) and file systems, while also supporting data management through on-site & off-site storage and retrieval services
- Extensive knowledge on Server administration, Kernel upgrade and deployment of patches and applying all firewall and security policies with emphasis on maintaining best practices.
- Experience in Installation, Configuration, Upgrade, Patches, and performance tuning on UNIX and system software & hardware.
- Administering local and remote servers on daily basis, trouble shooting and correcting errors.
- Experienced with inter networking using TCP/IP and resolving network connectivity using tools like dig, nslookup, ping.
- Monitoring of web servers and other services using Nagios monitoring tool.
- Involving and partitioning formatting disks and in file system management as Software RAID, LVM and VxVM.
- Installing and configuring various servers as Apache web server, HTTP server, Samba.
- Experience in RHEL Provisioning, Upgrades, Patching, Configuration and Performance Tuning in Linux environment using satellite server.
- Production support of Apache, Apache HTTPD, JBoss, Tomcat and Oracle Web logic 10.3 application servers including installation, configuration, and management and troubleshooting.Strong experience in VM environments like XEN, KVM, Oracle Virtual Box and VM Ware 5.0.
- Deployment of build artifacts like wars and ears into a Web Logic app server by integrating the WLST scripts to Shell Scripts.
- Database administration of MySQL, Oracle or equivalent Data Base programs.
- Installed and configured various services like DNS, LDAP, DHCP, RPM, Send mail, Apache Web Server, Web Logic, NIS, SSH, Tomcat, Telnet, HTTP, HACMP, GPFS, SSL, HA Proxy, NetApp, RPM Package Management and others.
- Performed OS installations, OS Upgrades, and Server Patching by configuring PXE and DHCP server using Kick start Configuration and by using Red Hat Satellite server.
- Debugged network connectivity issues and involved in trouble shooting activities with commands ping, trace route, tcpdump, nslookup, netstat, IOstat, top.
- Experienced in writing Shell Scripts in Bash, C-shell and Cron tab inLinuxto automate the tasks.
- Scripting done in administrative and management tasks using shell, Bash,Pythonfor automated administrative jobs and experience on Bourne, Ruby, Perl and C-shell.
ENVIRONMENT: Solaris 9/10/11, Java/J2EE,.NET,ANT, MAVEN, GIT, Red Hat Satellite Server, Apache Tomcat, Kick Start, BondingJenkins, WebSphere, SQL, Agile, Web Logic, Subversion, Samba, NFS, FTP, LVM, Tomcat, Apache, bash, Python.
Confidential, Erie, PA
LINUX ADMINISTRATOR
RESPONSIBILITIES:
- Configured and installed Red Hat and Centos Linux Servers on both the virtual machine and bare metal Installation.
- Created, cloned Linux Virtual Machines, templates using VMware Virtual Client migrating servers between ESX hosts.
- Performed daily system monitoring, verified the integrity and availability of all hardware, server resources, systems, and key processes reviewed system and application logs and verifying completion of scheduled jobs such as backups.
- Performed RPM and YUM package installations, patch and server management.
- Solid network and systems troubleshooting with HTTP\HTTPS, SFTP, FTP, NFS, SMB, SMTP, SSH, NTP and TCP/IP, Internet Security, encryption.
- Performed UNIX System Administration. Fine tuning, Kernel debugging, process scheduling, disk and file system I/O, kernel internals, TCP/IP communications.
- Managed user accounts, files and directory permissions, and securing UNIX systems to match industry best practices.
- Worked on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager &Solaris Volume Manager.
- Performed both interactive and automated (kickstart) installations of Red Hat Enterprise Linux using bash scripting.
- Worked on Storage Area Network/SAN, EMC Symmetrix/Clarion.
- Configured Splunk for all the mission-critical applications and used Splunk effectively for Application troubleshooting and monitoring post-go-lives.
- Responsible installation, maintenance and regular upgrades of Red Hat Linux Servers using kick start-based network installation
- Provide system administration on several variants of Linux / Windows web hosting servers, including, but not limited to RH/Centos and Windows Server (2008 R2, 2012 R2)
- Worked on Cron jobs for automating several every day mandatory tasks/issues.
- Involved in resolving p1, p2 priority Issues and responsible for providing 24x7 System Administration support for Red Hat Linux 3.x, 4.x servers
- Responsible for configuring Volume Group using LVM, Logical and Physical partitions and importing new Physical Volume.
- Responsible for monitoring Linux server performance, ensuring security and stability with the help of available utilities.
- Handled installation and configuration of Oracle 7.x/ 8.x
- Installed patches and packages on RHEL 5/6 using RPM & YUM, Software up gradation and performed backup for Linux servers.
- Creating Linux Virtual Machines using VMware Virtual Center.
- Installed VMware servers and configured windows/Linux virtual machines for various applications.
- Installation and Configuration of Web servers like Apache, Jakarta Tomcat.
ENVIRONMENT: Solaris, Linux, SAN, AIX, DNS, Scripting, VM's, Kickstart Server, Firewalls, LVM, NIS, RAID, Solaris, Logical volume manager (LVM), Oracle 7.X/ 8.X, RHEL 5/6.
Confidential
LINUX ADMINISTRATOR
RESPONSIBILITIES:
- Configured and installed Red Hat and Centos Linux Servers on both the virtual machine and bare metal Installation.
- Assisted in maintaining systems in lab environments at various sites.
- Implemented Kick start/PXE Boot Servers that rsync between multiple locations.
- Restructured infrastructure for fail over and disaster prevention.
- Installed, configured, cloned VMs on vSphere 4.0 configured ESX hosts, adding data stores to ESX hosts, creating v-switches, templates, migrating VMs across ESX hosts.
- Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, Active Directory.
- Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
- Extensive experience in the concept of User & System Resource Management and Job Scheduling.
- Create users with limited and full root privileges. Create and manage sudoers.
- Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
- Experienced in the installation, patching and upgrading of Applications (Open fire, Apache, Nginx, HA Proxy, etc.) on Unix/Linux.
- Responsible for configuring networking concepts like NIS, NFS, SAMBA, LDAP, SSH, SFTP, SNMP, DNS, DHCP, troubleshooting network problems such as TCP/IP, supporting users in solving their problems.
- Experience in installing, configuring the Volume/File system management using Veritas Volume Manager, Solaris Volume Manager (SVM), ZFS File system Management and VERITAS File System.
- Performed all Logical Volume Manager (LVM), and file system tasks like creation of Logical volume and file system, mount a file system, modifying size of a Logical Volume and file system, removing a file system.
ENVIRONMENT: Linux, NIS, NFS, LDAP, SSH, SFTP, LVM, SVM, DNS, DHCP, SNMP, RAID, VMs.