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Sr. Devops/cloud Engineer Resume

Baltimore, MD

SUMMARY:

  • Effective professional experience of 8+ years in the field of IT industry focused on Systems/Network Administration, Cloud Computing and DevOps that includes the principles with Continuous Integration, Continuous Delivery and Continuous Deployment.
  • Creative in automating, configuring and deploying instances on AWS cloud environments and Datacenters.
  • Develop automation and processes to enable teams to deploy, manage, configure, scale, monitor applications in Data Centers and in AWS Cloud.
  • Proficient experience on DevOps essential tools like Subversion (SVN), SaltStack, Chef, Puppet, Ansible, Jenkins, Docker, Kubernetes, Terraform, Git, GitHub, Subversion, Tomcat, Nginx, WebSphere, WebLogic and JBoss.
  • Experienced in managing applications by implementing AWS services which includes EC2, S3, EBS, VPC, ELB (Elastic Load Balancing), AMI, SNS, RDS, IAM (Identity &Access Management), Route 53, Lambda, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work, Security Groups.
  • Hands on experience with AWS provisioning EC2 Infrastructure, VPC setup, Auto Scaling for availability of EC2 Instances and availability of applications and deploying applications in Elastic load balancing.
  • Hands on creating S3 buckets and managed policies for S3 buckets and utilized S3 Buckets and Glacier for storage, backup and archived in AWS and experience in setting up and maintenance of Auto - Scaling AWS stacks.
  • Developed and managed cloud VMs with AWS EC2 command line clients and management console implemented DNS service through Route 53 on ELBs to achieve secured connection via https.
  • Designed highly available, cost effective and fault tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance, AMIs and Glacier for QA and UAT environments.
  • Utilized AWS Beanstalk for conveying and scaling web applications and administrations created with Java, PHP, Node.js, Python, Ruby, Ansible and Chef on commonplace servers like Apache.
  • Created complex Identity and access Management (IAM) policies for delegated administration within AWS.
  • Used AWS Elastic 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, Nginx and IIS.
  • Experience in configuring Azure web apps, Azure App services, Azure Application insights, Azure Application gateway, Azure DNS, Azure Traffic manager, App services, Analyzing Azure Networks with Azure Network Watcher, Implementing Azure Site Recovery, Azure stack, Azure Backup and Azure Automation.
  • Configured VMs availability sets using Azure portal to provide resiliency for IaaS based solution and scale sets using Azure Resource Manager to manage network traffic.
  • As a Cloud administrator responsible for building and configuring a new cloud infrastructure environment Troubleshoot Azure related issues and engage internal teams for complex issues.
  • Great experience on Migrate of IaaS, PaaS and SaaS instances between public and private clouds.
  • Excellent knowledge in Azure compute services, Azure Web apps, Azure Data Factory & Storage, Azure Media & Content delivery, Azure Networking, Azure Hybrid Integration, and Azure Identity & Access Management.
  • Proficiency in OpenStack services such as Horizon, Keystone, Nova, Neutron, Glance, Cinder, Ceilometer and Swift.
  • Expertise in Virtualization technologies like VMware ESX/ESXI, CITRIX XEN SERVER/OPENSTACK and involved in the maintenance of virtual servers.
  • Worked with Docker Trusted Registry as repository for our Docker images and worked with Docker container networks.
  • Expertise in using Docker to run and deploy the applications in multiple containers like Docker Swarm and Docker Wave.
  • Used Containerization tools like OpenShift, Docker and Kubernetes for automated deployments, scaling and management of containerized applications across clusters of hosts.
  • Experienced in Writing Chef cookbooks and Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
  • Implemented Chef Recipes for Deployment on build on internal Data Centre Servers. Also, re-used and modified same Chef Recipes to create a Deployment directly into Amazon EC2 instances.
  • Hands on experience on automating various infrastructure activities like Continuous Deployment, Application Server setup, Stack monitoring using Ansible playbooks and worked on Integrating Ansible with Rundeck and Jenkins.
  • Implemented Terraform modules for deployment of various applications across multiple cloud providers and managing infrastructure.
  • Implemented puppet modules to automate the installation and configuration for a broad range of services also implemented Puppet hiera to separate data from puppet code.
  • Developed strategies and supported tools to create an efficient automated integration and release process using Jenkins and implemented Continuous Integration using Jenkins and GIT from scratch.
  • Experiences in build tools like Ant, Maven, Arti factory, Nexus, Gradle to write POM.XML build scripts etc.
  • Knowledge in managing multiple corporate applications into GitHub code management repo and creating user level of access for related GitHub project directories to the code changes.
  • Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GitHub, Subversion (SVN), Perforce, Tortoise SVN, IBM Rational team concert and Rational Clear Case on Linux and windows platforms.
  • Skilled in various Bug tracking tools like JIRA, Zabbix, Bugzilla, Rally, Remedy, HP quality center and IBM clear quest.
  • Experience in Linux Administration (Installation, Configuration, Tuning and Upgrades of Linux RedHat and Oracle) and UNIX like Red Hat 4.x, 5.x, 6.x, Ubuntu, CentOS, Solaris.

TECHNICAL SKILLS:

Amazon Web Services: EC2, ELB, S3, VPC, RDS, IAM, CloudFormation, CloudFront, CloudWatch, Cloud Trial, SNS, SQS, SWF, EBS, Lambda, EMR, Dynamo DB, Redshift, AMI Elastic Beanstalk, Route53, Aurora

SCM Tools: Subversion, Bit Bucket, GIT, Clear Case, Perforce.

Build tools: Ant, Maven, and Gradle.

Cloud Platforms: AWS, Azure, Open Stack, GCP.

Continuous Integration Tools: Jenkins, Hudson, Bamboo, Team City, Octopus.

Configuration Management Tools: Configuration Management Tools

Tracking Tools: Jira, Remedy, Clear Quest, Bugzilla, Zabbix, Rally, Fisheye.

Containers: Docker, Kubernetes, Docker Swarm, Mesos.

Virtualization: Oracle Virtual Box, VMware, Vagrant.

Scripting languages: Shell scripting, Python, Ruby, Perl, Bash.

Programming Languages: C, C++, Java, JSON, XML.

Databases: Oracle, MS SQL Server, MySQL, NoSQL, PostgreSQL

Web/Application Servers: WebLogic, WebSphere, JBoss

Operating System: Linux (Red hat, Centos, Ubuntu, SUSE), UNIX (HP-UX, Solaris, IBM AIX) and Windows.

Methodologies: Agile, Scrum, Kanban, ITIL and Waterfall

Monitoring Tools: Splunk, Nagios, ELK

PROFESSIONAL EXPERIENCE:

Confidential, Baltimore, MD

Sr. DevOps/Cloud Engineer

Roles & Responsibilities:

  • Managing Cloud Services using AWS Cloud Formation, which helped developers and businesses an easy way to create a collection of, related AWS resources and provision them in an orderly and predictable fashion.
  • Evaluate existing AWS & Azure system implementations and provide recommendations for To-Be architecture evolution in AWS & Azure. Architect enterprise grade solution using of containers
  • Creating a host of Microservices with RESTful API as part of enterprise requirements.
  • These services were later consumed by Data power WSP and MPGW
  • Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
  • Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
  • Wrote AWS Lambda functions in python for AWS's Lambda which invokes python scripts to perform various transformations and analytics on large data sets in EMR clusters.
  • Experienced in using AWS Elastic Beanstalk as Platform as a service (PaaS) to manage the AWS cloud environment.
  • Experienced in Operations Management suite (OMS), Log analytics, Run books using Azure Automation.
  • Experienced in OMS services like Azure Automation, Azure Backup and Azure Site Recovery.
  • Experience in Microsoft Azure on azure resources like cloud services, storage accounts, service buses, event hubs, app service plans and Azure active directory and SQL Azure.
  • Architect and support the VMware infrastructure.
  • Responsible for training Solaris 10 Containers and ZFS configuration Boot process-bios, kernel initialization, grub BOOT LOADER, init, services control and system configuration files, File system administration-managing file system, auto mounter, fdisk utility, journaling file system and mkfs.
  • Worked with various CI servers like Jenkins, Bamboo Circle CI, and Travis CI.
  • Responsible for the DevOps CI/CD (Atlassian, BitBucket, Jenkins, Artifactory, Docker, Microsoft TFS, ELK) Architecture, Network Security Architecture on Azure Public Cloud.
  • Collaborated in the automation of AWS infrastructure via Terraform and Jenkins - software and services configuration via chef cookbooks.
  • Responsible for day to day Build and deployments in Dev, QA, pre-production and production environments. Implemented AWS high-availability using AWS Elastic Load Balancing (ELB), which performed balance across instances in multiple availability zones.
  • Built continuous integration systems using technologies including Jenkins and travis.ci, custom apt repositories using aptly, and deployments with Ansible.
  • Responsible for building scalable distributed data solutions using Hadoop Eco System.
  • Implemented a centralized logging system using log stash configured as an ELK stack (Elastic search, Log stash, and Kibana to monitor system logs, AWS Cloud Watch, VPC Flow logs, Cloud Trail Events, changes in S3 etc.
  • Installed TFS 2015 and setup different TFS user groups for the project team
  • Maintained DNS records using Route53 to Improve Fault Tolerant Connections and using Load balancer, Security groups and NACLS.
  • Created snapshots and Amazon machine images (AMI) of the instances for backup and creating clone instance.
  • Included a visual, intuitive workflow engine that enables you to harness deployment complexities—providing standard, reusable deployment operations using CA release automation.
  • Designed modular workflows for each component upon which an application is dependent including web and app server middleware, databases and infrastructure elements like virtual hypervisors, load balancers and networking equipment
  • Maintaining Devops systems and Built & release engineering.
  • Worked with Agile development team to develop continuous integration/continuous delivery in the delivery of product in an open source environment using tools such as CircleCI, Chef.
  • Installed and configured CA Site minder for Apache web Server to enable SSO (single sign-on) in various applications for different environments
  • Built and configured a virtual data center in the Amazon Web Services cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer.
  • Configured AWS cloud infrastructure as code using terraform and continuous deployment through Jenkins.
  • Created tests for verifying JavaScript based touch applications as well as Selenium driven emulator, regression tests for iOS and Android applications native applications.
  • Setup the Security, Roles & Responsibilities for different Groups for Team Projects using TFS 2015 Admin Console.
  • Built and managed a large deployment of Red Hat Linux instances systems with Ansible, Terraform Automation and provision virtual servers using vagrant and kitchen in Oracle VM virtual box, provisioned servers in Amazon EC2.
  • Installed & maintained XEN & VMWare servers with multiple VM's running a multi VLAN Physical & VM environment.
  • Developed an Azure based high performance compute environment to support the massive computational requirements of client congressional redistricting Azure application.
  • Built a presentation to present the design of hosting architecture on Windows Azure.
  • Solutions Consultant responsible to be primary SME on Azure services including SaaS, PaaS and IaaS while contributing architecture decisions and tasks for ongoing migration efforts.
  • Architect Highly Available and fault tolerant infrastructures based on information obtained during cloud workshops
  • Focused on containerization and immutable infrastructure. Docker has been core to this experience, along with Mesos, Marathon and Kubernetes.
  • Provide highly durable and available data by using S3 data store, versioning, lifecycle policies, and create AMIs for mission critical production servers for backup.
  • Extensive experience monitoring the servers using Nagios, ELK, Cacti and New Relic.
  • Configured Docker containers for Branching purpose and deployed using Elastic Beanstalk.
  • Experience in Setting up Chef Workstation, Bootstrapped instances using Chef and integrating with Auto Scaling.
  • Setting up Jenkins, Continuous Integration (CI) and Deployment builds for all releases on windows and Linux Debian.
  • Experienced with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment.
  • Implemented Ansible to manage all existing servers and automated build/configuration of new servers.
  • Implemented Continuous Integration using Jenkins and GIT from scratch.
  • Implementing multi-tier application provisioning in OpenStack cloud, integrating it with Jenkins and SonarQube.
  • Developed build scripts using ANT/MAVEN and Gradle as the build tools for the creation of build artifacts like war or ear files.
  • Dealt with errors in pom.xml file to obtain appropriate builds using maven build tool.
  • Used sub modules in the GIT and educated users working with sub modules in GIT.
  • Developed and scheduled bash shell scripts for various activities (deployed environment verification, running database scripts, file manipulations, Subversion (SVN) etc.)
  • Worked with different bug tools like JIRA, IBM Clear Quest.
  • Hands on experience with IAM to set up user roles with corresponding user and group policies using JSON.
  • Designed Methodologies to troubleshoot based on the issues and documented all the procedures to educate team members.
  • Implemented, integrated and managed Perforce as well as instituting accurate and automated build and release methodologies for Binary compilation for Apache HTTP/HTTPS, Tomcat, PHP and MySQL.
  • Architected and built a mobile golf application with a team of 3 people
  • Automated the build and test process for iOS, Android, React Native, with Ant, XCode, Gradle
  • Swap space Management.
  • Experience with threat modeling, especially for web application and web APIs.
  • Working knowledge of using WebSphere App servers, Tomcat in building and deploying applications.
  • Registering REST & SOAP based services into WSRR and enabling SOA governance profile.
  • Define WSRR Promotion strategy to push governance registry to runtime registries.
  • Extensive experience in Middleware Process Modelling and designing using complete TIBCO suite of products i.e. TIBCO Business Works (BW), TIBCO Enterprise Message Service (EMS), TIBCO Administrator, Tibco Designer, Pulgin Salesforce.com, json
  • Build high performance web services, using languages such as python.
  • Experienced in build and deployment of Java applications on to different environments such as QA, UAT and Production.

Environment: /Tools: EC2, Elastic Load Balancing, TFS, Elastic Bean Stalk, ECS, CircleCI, CloudFront, CloudFormation, Elastic Cache, CloudWatch, Route 53, Redshift, Lambda and Dynamo DB, LAMP, Nagios, Terraform, Kubernetes, BOOT LOADER, Docker, Tomcat, WebSphere, Nexus, Chef, Ansible, Jenkins, Maven, Swap partition, Bash scripts, SVN, and GIT.

Confidential, Richardson, TX

Sr. DevOps Engineer

Roles & Responsibilities:

  • Created the end to end CI/CD pipeline from scratch for application and API's for automating the deployment process.
  • Experienced in automation and continuous integration process with Cloud bees Enterprise Jenkins.
  • Implementing Azure Automation Account, Created an Azure Automation Runbooks. Storing and using Automation Assets.
  • Strong knowledge of enterprise architectures and cloud reference architectures
  • Implemented continuous integration using Jenkins and configured various plugins. Also used GIT as a Source Code Manager, Maven as a Build Tool, Sonarqube and Artifactory .
  • Deployed the code, various Web Application and API's onto the Cloud Foundry ( PREDIX ).
  • Created and managed shell scripts for the automation of build and deployment process .
  • Used sub modules in GIT and trained the new users on working with sub modules in GIT.
  • Configured and installed monitoring tool Checkmarx and Logstash on the servers.
  • Deployed Azure resource manager based resources.
  • Configured and deployed Azure Automation Scripts for a multitude of applications utilizing the Azure stack (Including Compute, Web Mobile, Blobs, ADF, Resource Groups, Azure Data Lake, HDInsight Clusters, Azure Data Factory, Azure SQL, Cloud Services, and ARM), Services and Utilities focusing on Automation.
  • Design and Implementation of Azure Site Recovery in both Disaster Recovery Scenario and for Migrating the workloads from On-Premise to Azure
  • Designing compute and storage cloud architecture for medium and large environment up to 500 compute nodes.
  • Experience working as a Cloud Architect for migrating applications onto AWS cloud.
  • Educated Development teams on GIT , Jenkins , AWS , PREDIX Cloud Foundry and whole CI/CD Pipeline process.
  • CA Release Automation has provided a single pane of glass for insight into pipeline design and deployments. It provides broad built-in support for typical workflow actions and 3rd party integrations. ..
  • Fixed a performance problem in a mobile iOS application
  • Evaluated API design and made recommendations for improvement with APIC and DataPower.
  • Created reusable set of API's for Citi and published on Citi Developer Portal using Swagger and API Gateway.
  • Integrated with your continuous delivery tool chain, delivering end-to-end orchestration and visibility of deployments from development through production.
  • I stream data from Hbase through Python and classify it using machine learning methodology such as Stochastic Gradient Descent, Kernel Approximation, Kmeans etc.,,
  • Developed organizational units in Active Directory and managed user security with group policies.
  • Create and implement SQL queries for use in Excel and Access
  • Replaced the data source for the Dashboards which were using SQL prior to Amazon Redshift.
  • Responsible for Architecture design, establishing architectural standards, and define transformation strategy for moving existing resources to API Products.
  • Provided technical support, debugging, and troubleshooting
  • Migrated views and Tables from SQL to Amazon Redshift successfully in spite of Redshift with different compatibility in querying.
  • I was assembled onto the top team for troubleshooting for all iOS devices respectively. My day-to-day duties included solving all the issues that the level 1 and level 2 teams
  • Worked on core drivers and algorithms that calculate location based on cell triangulation
  • Creating hard and soft or symbolic links, remotely assessing Servers using putty terminal, transferring files using WinSCP emulator, transferring files between UNIX, Linux, and Windows systems. Modifying the content of text files using the "vi" text editor.
  • Managed user accounts on Linux platform by creating Active Directory user groups and giving permissions to the individual users and for the group users to the dev and production servers.
  • Working with the team to understand API design methods vs Service implementation. Resolving issues with directly exposing the core services as APIs thus, creating tightly coupled APIs.
  • Worked on cloud based servers such as AWS and Cloud Foundry .
  • Responsible for Sprint planning sessions and Daily Stand-up meetings.
  • Wrote Rally User Stories and broke those stories into smaller pieces to complete the stories within the allocated sprints.
  • Query and run optimization reports based on client's decisions
  • Used API Connect on NodeJS to design and develop artifacts which were then published to DataPower gateway. Services then were available to third parties to call.
  • Worked in both Agile and Kanban environments.
  • Documented all the process of CI/CD Pipeline to make sure that all the steps are completed successfully and for feature reference of Dev teams.
  • Worked as a cybersecurity leader in daily sprint standups, providing ownership for all aspects of the security life cycle in the product release.
  • Provided cyber security technical thought leadership, injecting secure coding standards and best practices into daily scrums.
  • Mentoring and skill set knowledge transfers to Scrum team members.
  • Review and modify agile user stories and epics to ensure correct authentication, authorization, and logging.
  • Worked on Physical to Cloud Migration in AWS.
  • Partner with other IT and business teams to develop secure technical solutions.
  • Supported MVPs through hands-on technical security knowledge, integration, and development/coding.
  • Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
  • Worked with a team of architects and developers, operational leads, and functional owners to plan and implement security technical features.
  • Created Selenium and Squish regression test's that were part of graphical and regression framework for iOS and Android
  • I supported a range of different issues, from phone and software bugs as well as network connectivity troubleshooting.
  • Integrated Silex Technology Business Print Server (SX-3000GB) as an end-point to expose mobile platform on to the VPN network. The environment simulated physical connection, between the tester local machine and the remote mobile device. The system supported all smartphone mobile platforms like iOS, Android, Black BerryOS, and Windows OS.
  • Understood how new technologies impact the current environment.
  • Adopted of new technologies and drive the implementation into the environment.
  • Worked in a fast-paced, dynamic environment with shifting priorities comfortable with change and actively driving improvements.

Environment: /Tools: Jenkins, Sonarqube, Artifactory, GIT, AWS, Predix, Cloud Foundry, Akana, Mashery, Rally, Maven, Checkmarx, PostgreSQL, Tomcat, Shell Scripting.

Confidential, Charlotte, NC

DevOps Engineer

Roles & Responsibilities:

  • Contributed to new physical and virtual data center infrastructure design and implementation.
  • Worked on installation, configuration and maintenance Debian, Redhat Enterprise Linux, CentOS and SUSE Servers at multiple Data Centers.
  • Configured RedHatKickstart for installing multiple production servers.
  • Installation, Configuration and administration of VMware.
  • Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
  • Educated Development teams on GIT , Jenkins , AWS , PREDIX Cloud Foundry and whole CI/CD Pipeline process.
  • Designed, implemented DWH on Redshift, sort keys, distribution style, ETL process.
  • Designed Puppet Modules to manage configurations and automate installation process.
  • Experience working with production servers at multiple data centers.
  • Worked on Physical to Cloud Migration in AWS.
  • Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perl scripting.
  • Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status.
  • Experience with modern web UI development technologies: HTML5, CSS3, JavaScript and JQuery.
  • Set up Kickstart for new bare metal environment.
  • Set up Puppet customized monitoring with Nagios,&PNP4Nagios Graphs for both legacy and new environments.
  • Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
  • Worked on Version control setups like GIT and integration tools Jenkins
  • Set up Factor and VMware Perl SDK for custom Web-UI-based reports for VMs.
  • Set up PostgreSQL database servers for Web Server environment.
  • Set up LDAP authorization & NFS mounted /home directories for users.
  • Bootstrapping automation scripting for bare metal and virtual servers.
  • Used VMware VRealize automation to deliver services to their lines of business.
  • Chief architect and developer of petabyte scale, Big Data-Data Warehouse utilizing Amazon Redshift which supports the backbone of this data driven organization.

Environment: /Tools: RHEL 6/7, CENTOS 6/7, Ubuntu, SuSE SLES, Solaris x86, VMware ESX 5, VMware Perl SDK, Dell Blade Servers, Dell R910 servers, Dell M620 servers, M420 servers, Puppet, Python, Perl, PHP, Ruby, Open LDAP, Lighttpd, Apache Httpd, Apache Tomcat, Nagios, JIRA, Fisheye, Confluence Administration, AWS, VMware VRealize automation.

Confidential, San Diego, CA

DevOps Engineer

Roles & Responsibilities:

  • Contributed to new physical and virtual data center infrastructure design and implementation.
  • Worked on installation, configuration and maintenance Debian, Redhat Enterprise Linux, CentOS and SUSE Servers at multiple Data Centers.
  • Configured RedHat Kickstart for installing multiple production servers.
  • Installation, Configuration and administration of VMware.
  • Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
  • Designed Puppet Modules to manage configurations and automate installation process.
  • Experience working with production servers at multiple data centers.
  • Worked on Physical to Cloud Migration in AWS.
  • Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perl scripting.
  • Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status.
  • Designed Puppet Modules to manage configurations and automate installation process.
  • Set up Kickstart for new bare metal environment.
  • Set up Puppet customized monitoring with Nagios,&PNP4Nagios Graphs for both legacy and new environments.
  • Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
  • Experienced in developing Web Applications involving J2EE technologies like Java, JSP, Servlets, Struts MVC, Hibernate, Spring MVC, HTML, JavaScript, CSS, EJB, RAD, JDBC, JNDI, XML, AJAX and JUnit.
  • Worked on Version control setups like GIT and integration tools Jenkins
  • Set up Factor and VMware Perl SDK for custom Web-UI-based reports for VMs.
  • Set up PostgreSQL database servers for Web Server environment.
  • Set up LDAP authorization & NFS mounted /home directories for users.
  • Bootstrapping automation scripting for bare metal and virtual servers.
  • Used VMware VRealize automation to deliver services to their lines of business.

Environment: /Tools: RHEL 6/7, CENTOS 6/7, Ubuntu, SuSE SLES, Solaris x86, VMware ESX 5, VMware Perl SDK, Dell Blade Servers, Dell R910 servers, Dell M620 servers, M420 servers, Puppet, Python, Perl, PHP, Ruby, Open LDAP, Lighttpd, Hbase, Apache Httpd, Apache Tomcat, Nagios, JIRA, Fisheye, Confluence Administration, AWS, VMware VRealize automation.

Confidential

System Admin/Build Release Engineer

Roles & Responsibilities:

  • Managed Linux based network spread over all branches.
  • Knowledge on concise documentation.
  • Maintaining integrated network of Linux& Windows 2000 servers with clients of Windows 9x, Windows 2000, Windows XP & Linux clients.
  • Servers Setup and Managed: DNS, NIS, DHCP, Squid, Samba, VPN (CIPE), FTP, NFS, Firewall (security), Postgresql DB, LAMP Stack.
  • Performing administrative tasks using shell scripts and command line tool like sed and awk.
  • Managed Postgresql Database. Regular Backups/Restore processes are done whenever needed
  • User management tasks creating Users, Groups, Assigning general permissions and special permissions (Quota, ACL etc.).
  • Budgeting, capacity planning and sizing of Infrastructure.
  • Testing and debugging existing Web Services and fixing them.
  • Worked on Linux, LAMP&tomcat Administration for building and managing high traffic sites over physical and cloud environment (Apache Web Farm, CPanel, Load Balancer, Reverse proxy, PHP, MySQL Replication/Cluster, and Memcached), Managed Version control using Subversion. installed Redis cache for data structure and data storage
  • Amazon Cloud Computing - Amazon Web Services (AWS, EC2, S3, Auto scaling, Elastic Load Balancing, Cloud Watch, Cloud Front, RDS, EBS, Route 53 etc..).
  • Nagios for 24X7 automated monitoring.
  • Configured payment gateway on Linux, php-bridge and java.
  • HA Proxy, Keepalived, NginX, CPanel, PHPMyAdmin, Webmin, Sarg, AWStats, DenyHosts, HIDS, Acunetix Vulnerability Scanner, Snort, MySQLSlap.
  • FTP, Proxy (Allow/Deny internet access to users on time, IP and sites basis, bandwidth management), VMWare Desktop Virtualization.
  • Installing and configuring different types of applications like VtigerCRM, mantis bug tracker, eventum bug tracker, Drupal etc.
  • Shell scripts for adding/deleting/modifying server users, creating backup files for user's data and servers required files.

Environment: /Tools: Jenkins, Maven, GIT, MS build, UAT, E2E, SCM, Java, puppet, MySQL, Linux (Ubuntu), Git, Bash, Redis cache

Confidential

DevOps/Cloud Engineer

Roles & Responsibilities:

  • Installing, tuning, troubleshooting and patching of Red Hat Enterprise Linux servers.
  • Monitoring server performance and troubleshooting server related problems to SNMP.
  • Scheduled various regular, periodic, future and queue tasks by using Crontabs.
  • Setting up of NFS environment. Taking care of user accounts/groups using NFS Management.
  • Submission of reports such as Routine performs analysis, Capacity analysis, and Security audit analysis to customer for necessary planned changes.
  • Resolving TCP/IP network access problems for the clients. Develop, Maintain, update various scripts for services (start, stop, restart, recycle) UNIX based shell.
  • Hands-on experience installing and configuring SSH (Secure Shell) encryption to access on Ubuntu and Red Hat Linux securely.
  • Installation, configuration, support and security implementation on SSH, NFS, SAMBA, DHCP, DNS, HTTPD services.
  • Administration of NFS, DNS, NTP, Automounts, send mail and Print servers as per the client requirement.
  • Expertise in virtualization using VMware ESX server 3.5, 4.0 VMware workstation, virtual box and XEN, RED HAT enterprise virtualization suite.
  • Upgrading Linux kernel with latest releases on RHEL servers.
  • Worked on Linux Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SFTP, SSH, LDAP integration.

Environment: /Tools: RHEL, Linux, UNIX, IDS, DNS, AIX, SAN, YUM, User and Group management, Jumpstart, Shell scripting, GSX/VMware, Tomcat, LAMP stack

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