
Rakesh Devops
- Linux Administrator / DevOps /AWS Certified Solution Architect
- Denver, CO
- Member Since Apr 14, 2023

Rakesh
Linux Administrator / DevOps /AWS Certified Solution Architect
Professional summary:
· 5 years’ IT experience in DevOps, Configuration, Build, Release Management and Continuous Integration, Deployment, Automation, Cloud Management and Linux/Unix administration.
· In-depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
· Excellent understanding of SDLC Methodologies like Agile, Waterfall, RUP, RAD and other processes.
· Extensively worked with Version Control Systems CVS, SVN (Subversion), GIT, Perforce, and IBM Rational Team Concert.
· Integrated Eclipse IDE with different versioning tools like Subversion, GIT and CVS.
· Strong knowledge on source controller concepts like Branches, Merges and Tags.
· Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as war & ear from source code. Experience in using Nexus and Artifactory Repository Managers for Maven builds. Configured and Administered Nexus Repository Manager and Jfrog Artifactory.
· Extensively worked on Hudson, Jenkins, Team City and Bamboo for continuous integration and for End to End automation for all build and deployments.
· Experience in working with continuous deployment tools like Puppet and Chef
· Performed operations Puppet to describe system configuration and their state
· Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters
· Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.
· Steam line configuration to maintain servers and related infrastructure with Chef Configuration management tool.
· Experience is using Tomcat, JBOSS, Weblogic and WebSphere Application servers for deployments.
· Deft at trouble shooting, Configuring & Deploying Enterprise Applications in Tomcat and Jboss application servers
· Experience in system monitoring with Splunk, Nagios, Graphite, Zabbix.
· Monitored, diagnosed and performed end to end debugging of complex applications, network protocols, server nodes and application stacks. Deployed and managed many monitoring tools including NagiosXI, Sensu, Zabbix, New Relic, and Datadog.
· Instrumentation of API performance (hits, response time, load balancing, caching).
· Syslogger to collect and aggregate log data across application pods and integrated with Splunk for trending API performance over time.
· Deployed and configured monitors, tools, alarms and notifications in support of global, 24 x 7 production environments. Automated JIRA to request, implement, verify and report changes.
· Expertise in working with different Bug Tracking Tools like JIRA and Quality center.
· Automated UI Testing, Unit, Functional and Integration Tests using RSpec, Selenium and Watir. Automated load testing with Siege and Apache A/B, and JMeter. Automated deployment of test results, release notes to JIRA and Confluence.
· Automate, configure and deploy instances on AWS, Azure and OpenStack and Rack space cloud environments
· Transformed traditional environment to virtualized environments with, AWS-EC2, S3, EBS, EMR, ELB, EBS, Kinesis, Redshift, Matillion, chef, Puppet, Jira, Ansible, Dockers, Vagrant, OpenStack Nova, Neutron, Swift, Cinder, Glance, Horizon, Keystone, Ceilometer and VMware.
· Worked on AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation AWS Config, Auto scaling, Cloud Front, IAM, S3.
· Experience in Development & Operations involving AWS Cloud platforms, EC2, EBS, S3, VPC, RDS, SQS, ELB, EMR, VPC, Auto scaling, Elastic Cache, Cloud watch.
· Worked with Amazon IAM console to create custom users and groups
· Experience setting up and maintaining auto-scaling AWS stacks (using cloud formation and scripting)
· Experience in managing DNS using Route53 of AWS
· Setting up Auto scaling of the instance group using AWS command line tools and AWS cloud environment for Dev/QA environments.
· Experience writing Shell, Python and Ruby scripts to automate the deployments.
· Linux/Unix Systems Administration experience in installation, configuration, administration, troubleshooting, tuning, security, backup/ recovery and upgrading Linux (Red Hat & SuSE)
· Experience in writing shell scripts to automate the administrative tasks and management using cron and at daemons.
· Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
Technical skills:
|
Operating System |
Linux, UNIX, Solaris, Windows XP,7,10, Server 2008 R2, 2012 |
|
DevOps |
CI/CD, Puppet, Chef, Ansible, Jenkins + Plugins, Artifactory,, Git, Stash, Bit Bucket, GitHub, GitLab, Maven, Ant, JIRA, Apache A/B, JMeter, Automated Integration Testing, Selenium, Watir, RSpec, |
|
AWS |
EC2, S3, IAM, ELB, VPC, Cloud watch, Cloud Formation, Beanstalk, EMR, RDS, Dynamo DB, Route 53, SQS, SES, SNS, Auto scale |
|
Docker |
Compose, Swarm, Machine, Registry, Kitematic, Tutum, CoreOS, Fleet, Etcd |
|
Linux |
RHEL, Centos, OEL, BASH, LDAP, DNS, DHCP, Squid, NFS, LVM, IMAP, SSL, SELinux, RAID, SNMP, Syslog, |
|
Monitoring |
NagiosXI, Sysdig, Zabbix, Sensu, Splunk, Logstash, Graylog, DataDog, New Relic |
|
Database: |
Oracle, My SQL, MongoDB (No SQL) |
|
IAAS |
AWS, Microsoft Azure, Google Cloud, OpenStack, Rackspace |
|
Developer |
Java, REST APIs, Scripting (Python, Bash, Ruby) |
Certification
AWS Certifies Solution Architect
Professional Experience:
Forsythe, Denver, CO
DevOps /AWS Engineer FEB 2017-tilldate
Responsibilities
· Plan, deploy, monitor, and maintain AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare Vm's as required in the environment.
· Deployed and configured Chef Server and Chef Solo including bootstrapping of chef client nodes for provisioning; Created roles, cookbooks, recipes, and data bags for server configuration, deployment, and app stack build outs.
· Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS.
· Design roles and groups using AWS Identity and Access Management (IAM)
· Implement & maintain monitoring and alerting of production and corporate servers/storage using Cloud Watch
· Document system configurations, Instance, OS, and AMI build practices, backup procedures, troubleshooting guides, and keep infrastructure and architecture drawings current with changes.
· Provide oversight and guidance for the architecture, development best practices for application hosting, and infrastructure deployment for each application.
· Utilize AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create nightly AMIs for mission critical production servers as backups.
· Worked on IaaS for Deployment platform that abstracts the infrastructure.
· Use Chef Automation tools for configuration management in different systems.
· Write Puppet manifests in Ruby for deploying, configuring and managing for metric collection & monitoring
· Maintain 4-5 Different Testing/QA Environments and erection of the PROD Environment in AWS
· Experience with analysis of logs and performing root cause analysis for various issues coming up on daily basis
· Deployed application updates using Jenkins. Installed, configured, and managed Jenkins
· Triggering the SIT environment build of client remotely through Jenkins.
· Deployed and configured Git repositories with branching, forks, tagging, and notifications. Experienced and proficient deploying and administering GitHub
· Deploy builds to production and work with the teams to identify and troubleshoot any issues.
· Monitoring Live Traffic, logs, Memory utilization, Disk utilization and other factors important for deployment
· Implement and Enhance the Existing Scripts which are developed in Shell, Perl, Ruby and Python.
· Troubleshoot and performance tuning issues with applications like Oracle 10.x, 11.x JBoss 5.x, WebLogic 11.x, 12.x. Installing and deploying Apache, JBoss 5.x
· Support of Applications like Apache Tomcat & Java based applications running on Linux machines for clients.
· Installation, configuration and administration of Linux (Red Hat, Centos), Sun Solaris and HP-UX Servers.
· Storage Provisioning, Volume & File Management using LVM/Veritas on HPUX/Linux/Sun Solaris OS in SAN
· Work with F5 load balancers to load balance & reverse proxy servers. Work with Cloud Trail, Cloud Front.
· Manage network using Security Groups, NACLS, & IAM. Use Amazon RD & MySQL for database administration.
· Utilize Puppet for configuration management of hosted Instances within AWS.Configuring and Networking of Virtual Private Cloud (VPC). Utilize S3 bucket and Glacier for storage and backup on AWS.
· Develop Cloud Formation scripts to automate EC2 instances.
· Design user's credentials and profiles using AWS IAM.
Environment: AWS EC2, VPC, Auto scaling, ELB, Red Hat EL 3/4/5/6, Cloud Watch, EBS, Directory Services, Route53, MS SQL 2012, SQL Server Mirroring, Active Directory, DFS
FED EX, PT, USA
Sr. Linux / DevOps Engineer Oct 2015 – Nov 2016
Responsibilities:
· Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery servers.
· Performed OS provisioning using kick start through BMC Blade Logic.
· Performed the automation using Puppet Configuration management.
· Involved in chef infra maintenance including backup/monitoring/security fix.
· Implementing a Continuous Delivery framework using Jenkins in Linux environment.
· Used GIT to manage source code developed by various platform engineers.
· Performed patching of RHEL using yum, up2date package management system utilities for effective package maintenance.
· Supporting infrastructure environment comprising of RHEL and Solaris and AIX.
· Experience with VMware Virtualization using ESX hypervisor of VSphere.
· Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL environment.
· Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
· Rebuilding of kernel in RHEL using mkinitrd image and monitored logs in in-built directories during server bootup.
· Deployment applications (JAR, WAR, RAR and EAR) and related troubleshooting in clustered environment using Admin console
· Configuration of Network bonding which include Active/Standby and Active/Active.
· Troubleshooting Network, memory, CPU, swap and File system issues, TCP/IP, NFS, DNS, SMTP in Linux and Solaris servers.
· Performance tuning of Virtual Memory, CPU, system usage in Linux and Solaris servers.
· Performance Monitoring and Performance Tuning using Top, prstat, SAR, vmstat, ps, iostat.
· Performed Disaster Recovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.
· Installation, configuration and administration of Apache, Tomcat and Web Sphere.
· Develop, Maintain, update various script for services (start, stop, restart, recycle, cron jobs) UNIX based Korn shell, Bash.
· Updated & Running the various source code for migration & updating follow-up the release management.
· User, Group, Package administration, various repetitive activities across Linux Environment.
· Creation of Jumpstart and Kickstart configuration for the automatic provision of servers using Bladelogic.
· Installation of third party tools using packages on Debian and Ubuntu using apt-get utility and dpkg.
Environment: Red Hat Linux 6.x and 7.x, HP & Dell Servers, VMWare ESX 4.x, Autosys, VMware VSphere, ESX, BMC BladeLogic, Shell Scripting, Subversion, Perforce, Jira, Bamboo, GIT, (WAS), Web services, Web Logic, Puppet, Test Director, Visual Build, ANT, Jenkins
Hitachi, Hyderabad. India
Sr. Linux/DevOps Engineer June 2013 –July2015
Responsibilities:
· Working for DevOps Platform team responsible for specialization areas related to Chef for AWS Cloud Automation.
· Actively involved in architecture of DevOps platform and cloud solutions.
· Build Automation and Build Pipe Development using Jenkins and Maven.
· Integration of Automated Build with Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments (Integration, QA, and Production).
· Implemented scheduled downtime for non-prod servers for optimizing AWS pricing.
· Created proper documentation for new server setups and existing servers.
· Maintaining a farm of AWS EC2 instances, ELB's and RDS.
· Wrote shell scripts to automate daily tasks like DNS entries to Route53, checking connectivity etc.
· 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.
· Evaluating testing of Chef Recipes - Concept of Test Driven Development for Infrastructure as a Code.
· Debugging Chef Recipes and their execution trying to pull logs into Splunk and monitor deployments.
· Integrating various provisioning and monitoring modules into a single platform.
Environment: Chef, Ruby Maven, Artifactory, Git, Ubuntu, CentOS, Linux, AWS ELB, AWS SQS, AWS S3, AWS Cloud Formation Templates, AWS RDS, AWS Cloud Watch, Ruby, Git. Spring, jQuery, Tomcat, Apache, Oracle 11g, Jenkins.
IITLABS, Hyderabad, India
Linux System Administrator Aug 2012-May 2013
Responsibilities:
· Installation of patches and packages using RPM and YUM in Red hat Linux.
· Created and modified application related objects, created Profiles, users, roles and maintained system security.
· Installed operating system on multiple machines using KickStart.
· Responsible for setting up cron jobs scripts on production servers.
· Installed and configured SAMBA server for Windows and Linux connectivity.
· Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
· Used nfs and ftp services for transferring files to various machines.
· Restarting the services on machines at very low response rate.
· Troubleshooting and monitoring the machines 24x7.
· Responsible for writing/modifying scripts using bash, ksh, and bash for day-to-day administration.
· Modified Kernel parameters to improve the server performance in Linux.
· Creation of Logical volumes (LVM) for Linux operating systems.
· Installed and configured Apache / Tomcat web server.
· Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x, CENTOS 5.x.
· Coordinating with 24 x 7 on-call support personnel in debugging.
· Developed, customized and build packages on Solaris and RPMs on Linux for deployment on various servers through Software Development Life Cycle.
Environment: Red Hat, Cent OS, Solaris, Apache, Tomcat, FTP, DHCP, DNS.
EDUCATION:
Bachelor's Degree in Electronics and Communication Engineering
Jawaharlal Nehru Technological University -INDIA