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Linux/aws/devops Engineer Resume

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San, JosE

SUMMARY

  • Competitive IT Professional with 6+ Years of Experience as Linux engineer with additional role as AWS/DevOps engineer throughout professional carrier.
  • Precise understanding and experience of Linux Operating system in monitoring and maintaining network stability and reliability.
  • Extensive experience on Sun Solaris, Red HatLinux(RHEL), UIX, and SuSE based Server.
  • Good command over Linux and UNIX base OS as well as Windows OS.
  • Configuration Installation of Red hat Linux and Oracle Enterprise Linux by using Kick Start, Red Hat Satellite Server and customized bash/Perl scripts.
  • Experienced in all aspects of AIX System Administration and support servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, and disk usage maintenance.
  • Fixing Security Violations of both Linux and AIX Servers.
  • Experience in writing SHELL, Perl and PYTHON scripts to automate the deployments
  • Highly experienced in AWSCloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation,AWSConfig, Auto Scaling, Cloud Front, IAM, S3 and Route53
  • Build servers using AWS: Importing volumes, launching EC2, creating security groups, auto - scaling, load balancers, Route 53, SES and SNS in the defined virtual private connection.
  • Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/Windows) and Configuring launched instances with respect to specific applications.
  • Designing and configuring the AWS Secure Notification Service (SNS) and Secure Email Service (SES) architecture of the solution and working with a client.
  • Extensively worked on Jenkins for continuous integration and for End to End automation for all build and deployments.
  • Well versed with automation tools like Puppet, Chef and FAI.
  • Experience with Configuration Management Tools (PUPPET, CHEF, Ansible).
  • Involved in configuring Puppet master servers and installing Puppet client software on Linux servers.
  • Setup, configure and trouble shoot TCP/IP, DHCP, DNS, NFS, CIFS, and Samba.
  • Experience in administering and supporting the CM tools including Subversion and Git on UNIX environments.
  • Extensive experience using MAVEN and ANT as a Build Tool for the building of deployable artifacts (war & jar) from source code.
  • Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, scrum, and Waterfall methodologies.
  • Good knowledge on JavaScript, HTML and CSS.
  • Knowledge of databases like Oracle 10g/11g, DB2 and My SQL.
  • Knowledge of designing, installing and implementing VMware VSphere ESX 3.5 & ESXi 5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment.

TECHNICAL SKILLS

  • RHEL
  • SuSE
  • AIX
  • Ubuntu
  • Sun Solaris
  • CentOS
  • Linux
  • Unix
  • Ubuntu
  • Windows7/8/10
  • Python
  • Amazon EC2
  • VPC
  • ELB
  • SNS
  • S3
  • Cloud Watch
  • Open stack
  • IAM
  • Azure c
  • XML
  • HTML
  • CSS
  • Java
  • JavaScript
  • GIT
  • GIT HUB
  • Subversion (SVN)
  • Chef
  • Puppet
  • Ansible
  • Docker
  • Oracle
  • DB2
  • MS SQL
  • MySQL
  • VSphere
  • ESXi

PROFESSIONAL EXPERIENCE

Confidential, San Jose

Linux/AWS/DevOps Engineer

Responsibilities:

  • Provided L2/L3 Linux AHT Support (Above Hypervisor Support) to more than 500+ Customer Servers running RHEL 5, 6, 7.2.
  • Fixing Security Violations of both Linux and AIX Servers.
  • Responsible for all aspects of Linux System Administration and support for all pSeries servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc.
  • Additional responsibilities include schedule and administration of server backups, setup and administration of network and mail server accounts.
  • Performed administrative tasks such as System Startup/shutdown, Backup strategy, Documentation, User Management, Security and Network management.
  • Monitoring the Software components, Managing and Configuring LVM, Expert in Installation, configuration of Patches and Packages.
  • Extensively used Kshell, Bash for scripting.
  • Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Chef, Puppet, or custom-built .designing cloud-hosted solutions, specificAWSproduct suite experience
  • Worked onAWScloud, migrated application from physical servers to cloud.
  • Setting up applications using Nginx and Apache webserver on AWS
  • Cloud Automation usingAWScloud formation templates.
  • Worked as aDevOpsEngineerin a very complex system. Used Git, Maven, Jenkins, chef and Jira as tools for day-to-day build & release cycle.
  • Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven and Maven Repository (Nexus Artifactory) and Deployed Apps using custom ruby modules through Puppet as a CI/CD Process.
  • Installing, configuring, administering VERITAS Cluster Server 5.0, creating service groups, adding resources, enabling attributes, testing fail-over.
  • Experience in monitoring the availability & performance of Linux Servers through tools like Nagios, iostat, netstat, vmstat and Nmon.
  • Involved in designing, installing and implementing VMware VSphere ESX 3.5 & ESXi 4.1/5.0/5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment.
  • Utilize vCenter to install, configure operating systems, Windows and Oracle Linux, on new hardware and virtual containers; install and configure application.

Environment: RHEL 6/7.2, Solaris 8,9,10, AIX 5.3, 6.1, VMware, VCS 5.0, TCP/IP Bonding, Nagios, Shell Scripting, My SQL, Yum, Git, Maven, Jenkins, chef and Puppet.

Confidential, Minneapolis

AWS Engineer

Responsibilities:

  • Experience and good knowledge inAWS(Amazon Web Services) services like EC2, S3, Glacier, Elastic Load Balancer (ELB), RDS, SNS, SWF, Cloud watch, Route53 and Lambda.
  • Managed UbuntuLinuxand Windows virtual servers onAWSEC2 using Puppet.
  • Deployment of application and migration of data onAWSRedshift.
  • Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/Windows) and Configuring launched instances with respect to specific applications.
  • Experience in configuring Apache Web Server in theLinuxAWSCloud environment using Puppet automation.
  • Experience inAWSServices such as Redshift Cluster, Route 53 Domain Configurations
  • Worked on cloud watch to monitor the resources such as EC2 CPU memory, Amazon to design high availability applications onAWSacross availability zones.
  • Knowledge on design applications onAWStaking advantage of disaster recovery.
  • Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
  • Migrated media (images and videos) to s3 and used CloudFront to distribute content with low latency and at high data transfer rates.
  • Migrating the website domain to Route 53.
  • Cloud formation and Jenkins to Configure and maintaining Virtual Private Clouds (VPC)
  • Installed the application onAWSEC2 instances and also configured the storage on S3 buckets.
  • ConfiguredAWSIdentity and Access Management (IAM) Groups and Users for improved login authentication.
  • Created S3 backups using versioning enable and moved objects to Amazon Glacier for archiving purpose.
  • Performed S3 buckets creation, policies and also on the IAM role based polices and customizing the JSON template.
  • CreatedAWSMulti-Factor Authentication (MFA) for instance RDP/SSH logon, worked, with teams to lock down security groups.
  • Experience in monitoring EC2 instances using Nagios. Configured Elastic Load Balancers with Elastic Compute Cloud Auto scaling groups. Used ELB and Auto scaling for load balancing and scaling EC2 instances up/down based on Network Traffic.
  • Knowledge on Python, Ruby, Integrating with 'R', No SQL databases Mongo DB.
  • Experienced with working on Puppet Master and Puppet Agents. Defined Puppet Master and Puppet Agents to manage and configure nodes.
  • Configured Security group for EC2 Window andLinuxinstances and also for puppet master and puppet agents.
  • Installation of VMware tools on RHEL servers.
  • Involved in designing, installing and implementing VMware VSphere ESX 3.5 & ESXi 5.0/5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment.
  • Utilize vCenter to install, configure operating systems, Windows and Oracle Linux, on new hardware and virtual containers; install and configure application.
  • Installation, Configuration & Migration ofUNIXandLinuxoperating systems.
  • Troubleshooting server creation and other server related activities struck behind the cloud engine and restarted the failed jobs in customer’s environment.
  • Took care of monthly patches for different flavors of Linux servers using HP Server Automation tool and also ESXi hosts.
  • Manage, maintain and fine tune clustered Apache Tomcat server configuration.
  • Kernel upgrades forLinuxand IBM AIX and configured virtual IPs inLinuxand AIX.

Environment: AWS(EC2, VPC, ELB, S3, RDS, Cloud Trail and Route 53, VDI),Linux, Git version Control, VPC, EBS, IAM, ELB, Cloud watch, Cloud Formation,AWSCLI,AWSAuto Scaling.

Confidential

Linux Administrator

Responsibilities:

  • Installation and administration of RHEL 5.0/6.0 and SUSE 10.x.
  • Configured kick start server and updating/applying patches to the servers using Red hat Satellite server.
  • Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
  • Worked with configuration management tools like CFengine / Cobbler to configure LINUX Systems.
  • Deployed and maintained fully automated production environment of several hundred servers using CFengine3.
  • Installation, configuration and administration of VMware and Automation of jobs through crontab and autosys.
  • Installation of packages, patch management, volume management on Redhat Linux Servers.
  • Applied appropriate support packages/patches to maintain system integrity.
  • Performed capacity analysis, monitored and controlled disk space usage on systems.
  • Monitored system activities and fine-tuned system parameters and configurations to optimize performance and ensure security of systems.
  • Custom build of RHEL /CentOS and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
  • Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
  • Worked with project manager and auditing teams to implement PCI compliance.
  • Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.

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