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Sr. System Administrator / Devops Engineer Resume

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Sanfransisco, CA

SUMMARY

  • Over 8 years of professional experience in teh software field, where I has experienced in building and deployment of software using automated tools and technologies with automation/Configuration management tools using Ansible, Chef, Docker and Puppet.
  • I has experience and deep understanding in continuous integration using build tools ANT, MAVEN, GRADLE and continuous delivery process in DevOps with Jenkins, Build Forge and versioning control by GIT, SVN, STASH and Clear Case with branching and merging scenarios.
  • Experience in teh J2EE Framework and its components - Java build, test, deployment and release management.
  • I has strong scripting experience with Unix/Linux and shell scripting. Experience on SonarQube-tool used for quality of code with open source tools like Apache, Elastic search and Log stash.
  • Expertise in usage of building tools for deployment such as WAR & EAR from teh source code. Troubleshooting of Red Hat and up2date which is used for old versions of Linux and Servers in windows 2012 on VMware and AWS. Experience in SDLC with planning teh system installation by configuring, maintaining, deploying teh servers of Windows 2008,2012 and Linux RHEL 5.x & 6.x
  • AWS cloud admin and configuration experience using AMI, ELB, EC2, S3, ROUTE 53 domain. Installing teh VMware ESXI, RDS and Microsoft Virtual PC, HA clustering, SUN virtual box and vCentre.
  • Experienced using iterations by Whiteboard and RALLY for defects tracking and Agile methodologies and applying them in software environments by deploying applications and functionalities at internal to external levels to provide access to teh systems for production, QA and SIT demo.
  • EC2, EBS, RDS managing on cloud in AWS using CHIEF managing and configuration tools by installing teh workstations, writing teh recipes-cookbooks and upload them to teh server of teh chef. Installation of WebSphere, creation of profiles, hands on teh installations of Cassandra DB.
  • Involved in teh development of teh automation Open stack infrastructure with management tools Ansible, Customized cloud built application in Azure hosted in teh environment for teh continuous integration and Puppet.
  • Experience in Docker Hub and operations- Docker images, Docker multiple registers to production. AWS virtualization using Dockers along with teh version control, Administrating and integrating Jira, Bambooand Bit Bucket for CI/CD.
  • Teh installation, configuration and teh implementation of RAID technologies by hands on tools VxVM& SVM. Configuring of Fiber adapters and administration by handling Linux part of SAN (Storage of Network) arrays. Experience in setting up, build process using teh Cruise control, Hudson, Jenkins, Nant, Ant, Maven, MS build, Perl and subversion.
  • Deployed teh Java applications and web services using CI/CD tools - Jenkins, Puppet in clustered environments and in private cloud using Eucalyptus and Open stack on Cent-OS and Ubuntu OS.
  • Worked on teh Linux utilities like KICKSTART, FTP, SSH, AUTOFS, User Management, Process Management, and Files Management. Implementation of Linux and in Sun Solaris Servers.
  • Experienced to authenticate teh LDAP/Kerberos& Access Management control in mixed environments using tools like VAS. Install LAN’s, WAN’s internet, intranet servers and network segments. Maintained teh Apache & NGINX.

TECHNICAL SKILLS

Cloud Computing: AWS, Openstack

Languages: C/C++, Python, STL, Shell Script, Java

Operating Systems: Ubuntu, Redhat, CentOS, Windows

Continuous Integration Tool: Jenkins

Version Controller: GIT, BitKeeper, GitHub

Configuration Management: Ansible, Puppet, Chef, Saltstack

Monitoring Tool: Nagios, Splunk

Containers: Docker, Lxc

Performance and Debugging Tools: GDB, DBX, Wireshark, Klockwork, Purify Plus, tcpdump

Networking and Protocols: TCP/IP, UDP, HTTP, HTTPS, SSL, NFS, LTE, SNMP

Databases: SQL, HADOOP, Postgres DB, MongoDB

PROFESSIONAL EXPERIENCE

Confidential, Sanfransisco, CA

Sr. System Administrator / DevOps Engineer

Responsibilities:

  • Used security groups to develop a logical firewall to ensure high security for control applications.
  • Implemented, maintained, monitoring and alerting of production and corporate servers such as EC2 and storage such as S3 buckets using AWS Cloud Watch.
  • Developed Cloud Front to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end serve.
  • Implemented Amazon IAM to grant fine access of AWS resources to users and also managed roles and permissions of users to AWS account through IAM.Created and Configured ECS and RDS.
  • Developed AWS Cloud Formation templates to create custom sized VPC subnets, NAT, EC2, instances, ELB,Security Groups.
  • Providing administration and maintenance of production servers for running Red Hat, CentOS, Debian, Ubuntu, Windows Server 2008 and 2012.
  • Experienced with teh Chef in a team environment by assertive, detail-oriented, meets deadlines, takes initiative, able to work independently and collaboratively.
  • Experience with Chef Enterprise as well as On-Premise, Installed Workstation, Bootstrapping Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks.
  • Worked on using Chef Attributes, Chef Templates, Chef Recipes and Chef Files for managing teh configurations across various nodes using RUBY.
  • Experience in Chef Development kitto write and manage teh chef infrastructure from any machine and any operating system.
  • Experience in Chef Knifeto manage teh interface between Chef Bookshelf (teh repository) and you're chef server.
  • Created scripts in Python which integrated with Amazon API to control instance operations,integrate and implement a complete cloud services framework (IaaS, PaaS, and SaaS) and cloud deployment model (private, public, and hybrid).
  • Enabling customers to better manage software development, deployments and infrastructure with tools such as Chef, Jenkins and GitHub.
  • Deploying teh Open stack components on multimode with High availability environment and configuring teh Open Stack keystone, glance, cinder, swift.
  • Defined dependencies and plugins in Maven pom.xml for various activities and integrated maven with GIT to manage and deploy project related tags.
  • Configured local Maven repositories and multi-component Ant projects with Nexus repositories and scheduled projects in Jenkins for continuous integration.
  • Performed regular software release build and deployment based on defined process and procedure, including J2EE, UNIX Scripts, Oracle PL/SQL build and deployment.
  • Developed OpenStack infrastructure with automation and configured management tools such as Ansible, Puppet, or custom-built cloud hosted applications and used Ansible for continuous integrations.
  • Experience in Implementing a Continuous Delivery framework using Jenkins, Maven and Nexus inLinuxenvironment.
  • Responsible for configuring networking concepts like NIS, NFS, SAMBA, LDAP, SSH, SFTP, SNMP, DNS, DHCP.
  • 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.
  • Automating teh Build process using Subversion (SVN), and ANT.Provided end-user straining for all Tortoise SVN, JIRA users to effectively use teh tool.
  • Worked with automation of OS builds and application installations through Ansible, for application and Hardware resource monitoring, worked with plugins in Nagios for monitoring resources.
  • Involved in developing custom scripts using Perl and Shell scripts to automate jobs
  • Programming noledge in Shell Scripting and deployed Linux and Windows virtual machines form pre- configured templates in VM deployment.
  • Worked with Vmstat, Iostat, SAR, TNsping, Netstat and TCP dump to determine teh system and network health, deployed Linux and windows virtual machines from pre-configured templates as VM Deployed.
  • Worked on Red HatLinux, Ubuntu, Solaris, AIX, CentOS, Fedora, Windows environments, and VMware VSphere.Experience in Installing, upgrading and configuring Red HatLinux5.x, 6.x and 7.x and Debian using Kickstart Servers.
  • Deployed Java/J2EEapplications to Application servers in an Agile continuous integration environment and also automated teh whole process.
  • Evaluate Chef Framework and tools to automate teh Cloud deployment and operations.
  • Worked on build tasks using Maven, Ant make files and worked with development team to migrate Ant scripts to Maven.
  • Integrated build dependencies and dependency blocking strategy in Bamboo.Environment: SVN (Subversion), ANT, and Maven, Chef, Puppet,Devops, TFS, Jenkins, Unix, Linux, Perl, Bash, Python, Ruby, Cruise control, AWS, MongoDB, Chef, Sonar, SharePoint, Bamboo, Hudson, Git, JIRA, Shell Script, Ubuntu, Solaris, CentOs
  • Environment: AWS EC2, IAM, S3, AWS CloudWatch, Route 53, Terraform, ELK, AZURE, ANT, Maven, SVN, GIT, GITHUB, Chef, Ansible, Docker, Kubernetes, Nagios, Jenkins, JIRA, Apache HTTPD, Apache Tomcat, WebSphere, JBoss, JSON, Bash, Python, Ruby.

Confidential, Plano, TX

Dev Ops/Cloud Engineer

Responsibilities:

  • Worked on installation, configuration and maintenance Debian/Redhat, 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 Chef.
  • Designed Chief or Ansible Modules to manage configurations and automate installation process.
  • Written multiple manifests and also customized facts for efficient management of teh Ansible clients.
  • Used Ansible Tower for scheduling playbooks and used GIT repository to store our playbooks.
  • Used AWS Ansible Python Script to generate inventory and push teh deployments.
  • Writing custom scripting in Bash/Python/Ruby/Perl.
  • Worked on Physical to Cloud Migration in AWS.
  • Experience in migration of consumer data from one production server to another production server over teh network with teh halp of Bash and Perl scripting.
  • Installed and configured monitoring tools Nagios for monitoring teh network bandwidth and teh hard drives status.
  • Developed and supported teh Red Hat Enterprise Linux based infrastructure in teh cloud environment.
  • Deploying Linux server using Hashicorp Vagrant and Vagrantfile.
  • Experience in AWS, which included managing application in teh cloud and creating instances.
  • Developed automation scripting inusingChief or Ansibleto deploy and manage Java applications across Linux servers.
  • Worked on Version controller like GIT and integration tools: Jenkins
  • Logged events from forced crash dumps and troubleshoot server issues.
  • Configured yum repository server for installing packages from a centralized server.
  • Installed Fuse to mount teh keys on every Debian Production Server for password-less authentication.
  • Experience with Configuration Management Tools (Ansible, Chef).
  • Installed and configured DCHP server to give IP leases to production servers.
  • RedHat Package Management of RedHat Linux user accounts, groups, directories, file permissions and other package deployments.
  • Applied teh Clustering Topology dat meets High Availability and Failover requirement for performance and functionality.
  • Installation, Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on Redhat Linux/Debian Servers.
  • Managed shared NFS, mounting and un mounting NFS server, NFS client on remote machine, sharing remote and file folder, starting and stopping teh NFS services.
  • Configured, managed ESX VM’s with virtual center and VI client.
  • Performance monitoring using Sar, Iostat, VMstat and also logged to monitoring tool for graphical view.
  • Installed packages with yum and rpm.
  • Installation and configuration of PostgresSQL database on RedHat/Debian Servers.
  • Performed Disk management with teh halp of LVM (Logical Volume Manager).
  • Configuration and Administration of Apache Web Server and SSL.
  • Created and maintained network users, user environment, directories, and security.
  • Good noledge on Docker and Dockerfiles. Containerizing web application from Linux server to Docker containerizes.
  • Provide teh support of building teh server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
  • Provided 24/7 on call support on Linux Production Servers. Responsible for maintaining security on Redhat Linux.

Environment: Scrum Agile, SVN, CVS, Ant, Maven, Git, Jenkins, Chef, Ansible, AWS, Tomcat, Selenium, Shell, Perl, Nexus and JIRA.

Confidential, Pleasanton, CA

Dev OpsEngineer

Responsibilities:

  • Developed build and deployment processes for Pre-production environments.
  • Installed, configured and administeredWebLogic Server 8.1/9.x/10.xinRedHat Linux andSun Solarisenvironments
  • Used Subversion as source code repositories.
  • Managed SVN repositories for branching, merging, and tagging.
  • Developed Shell/Perl Scripts for automation purpose.
  • Used AGILE MVN method to develop a build and also ANT as a build tool.
  • Involved in writing parent pom files to establish teh code quality tools integration.
  • Installing, configuring and administering Jenkins CI tool on Linux machines.
  • Implemented teh setup for Master slave architecture to improve teh Performance of Jenkins.
  • Used Jenkins, Artifactory, Build forge for Continuous Integration and deployment into Tomcat Application Server.
  • Deployment of deployment artifacts (EAR, WAR, OSB jars) to Linux servers.
  • Deployed teh applications on multiple Weblogic Server instances and maintained Load balancing, high availability and Fail over for teh servers.
  • Involved in Research of teh project application architecture to support/resolve build, compile, and test issues/problems.
  • Releasing code to testing regions or staging areas according to teh schedule published.
  • Used Jira as ticket tracking and work flow tool. Environment: SVN, Shell/Perl Scripts, Jenkins, WebLogic, Maven, ANT, Tomcat, and Jira.

Confidential, Union, NJ

System Administrator / DevOps Engineer

Responsibilities:

  • Experience in maintenance of Load balancing, failover functionality with availability and disaster recovery with teh change in teh IP address of web servers, and teh apps which impacted teh change in teh virtually hosted machine and Http configurations.
  • Hands on teh applications with teh multi-tier environments with WebLogic,WebSphere implemented in teh critical mission by providing teh support around teh clock.
  • Teh experience in handling teh Security routers, configuring teh networks- Subnets, Tables and Elastic IPs with VPN and Connections with teh peer flow in Internet and NAT gateways.
  • Handling teh AWS operations such as Amazon Machine Image, Elastic Block Storage, Elastic Load Balance, Auto Scaling and launch configurations with teh notations -Elastic Beanstalk and Lambda.
  • Experienced in Simple Storage Service, Glacier Storage Monitoring cloud watch and cloud trail by using teh Database with teh Relational Database Service and Elastic Cache with teh use of Simple Email Service.
  • Clear understanding of HTTPS, Tomcat, JBoss and Python services are teh application administration tools with teh infrastructure meets teh enterprise needs.
  • Experienced configuring teh application servers with other components such as database, web servers, LDAP directory, Active Directory & BEA Web logic. Building highly scalable and efficient database schemas.
  • Worked with teh network administration for teh Firewalls and Load Balancers. Experience in updating teh security documentation by service using versioning (SVN, GIT).
  • Experienced in integration to Service Now, Microsoft Visio, application logs and aggregators such as SyslogNG. Experience with teh data analytics, Hadoop, Visualization and MapReduce.
  • Experienced with teh Docker Cloud platform with Container services and Orchestration platform for CISCO engineering. Building teh large-scale platforms as a service (PAAS) with Kernel level SDN networking and storage distributed volume.
  • Experienced in Dockers Container CLI as a service by integrating and collaborating with architecture and tracking teh implementation and designing in Agile based environment - Scrum and Kanban.
  • Supports automation solutions for configuration management, Source, Deployment and in pipeline. Cloud formation scripts using JSON, manage teh Continuous cloud deployment and configuration.
  • Troubleshooting teh Indexers, forward problems and search heads. Architect and design a scalable environment for enterprise logging environment - Splunk and Syslog.
  • Experienced in involving with operations support for monitoring tools which include Nagios, Graphite, Splunk, Solar Winds.

Environment: Load balancing, failover functionality, Http configuration, WebLogic&WebSphere, Virtual private cloud, Elastic compute cloud, Subnets, NAT gateways, Auto Scaling, IAM, LDAP, BEA Web logic, Service Now, Visio, SyslogNG, HTTPS, Tomcat, dev applications, Hadoop, Visualization, MapReduce, SDN, Dockers CLI, Indexers, Search Heads, Splunk, Thousand Eyes, Scrum and Kanban, JSON, Indexers, Search Heads, Nagios, Graphite.

Confidential

System/ Linux Engineer

Responsibilities:

  • Analyze and manage teh applications and websites. Configure CPU and disk partitions, iSCSI disks, SW RAID, teh network using NAGIOS and BMC tools.
  • Installation and configuration of SUN Solaris and Linux servers. Migrate existing on premises application in teh cloud and control teh flow of data inside teh cloud fetching (push and full in cloud).
  • Perform teh report to support teh capacity planning and building and administrating of various clusters and SAN environments. Adapting teh best practices and security procedures to solve teh problems.
  • Develops and maintains Linux Kernels (CentOS and RHEL), application servers - JBoss, Tomcat and Apache, Scripting-Shell scripting, Infrastructure automation.
  • Automation of Network protocols, Network design and functionality and Open Source applications and tools, Cloud infrastructural planning, security and construction. Automate deployment via puppet by GIT management and utilization.
  • Maintaining Apache & NGINX webservers. Deployment in private cloud using Eucalyptus and Open stack on Centos and Ubuntu OS by troubleshooting and maintaining them.
  • Use of Bash for automation of tasks. Developed shell scripts using python for automation administration tasks like file system management, restoring and backup.
  • Developing shell scripting in automation by Linux, Puppet. Installing packages with RPM and YUM.Working with an Agile environment with SDLC practices.
  • Manage applications and set up meetings for all services and responsibilities. Operational and technical support for teh Linux /windows server infrastructure.
  • Interoperability of UNIX and NT based systems, monitoring licensing and contracts on current systems by hardware/software to support teh shared project infrastructure.
  • Worked in an environment where Agility, Flexibility and Technical expertise for planning and installing software / hardware systems. Building RPMs, VMware and production environment.
  • Build and operate cooperate infrastructure. Installation through SATELLITE server. Troubleshooting teh integration issues in applications with teh development teams.
  • Using teh Splunk and New Relic for creating and monitoring along with teh SAR, iostat, vmstat and top for teh applications and logging strategies. Gathering teh infrastructure changes in FW rules, DNS and load balance and to facilitate them.
  • Maintenance of XRS infrastructure, standards and enterprise infrastructure.
  • Experience in dealing with Grafana, PostgreSQL, PGBadger, PGBouncer and integration of active directory with Linux with key credential management.
  • Experience in DR implementation, Running Enterprise Oracle Database and Middle applications. Expertise in configuring Oracle Virtual Machines and Managing OVM templates.
  • Integrate infrastructure with teh building tools for high scalable application deployment processes by analyzing, design and evaluate automation scripts and systems.

Environment: NAGIOS, BMC Tools, Sun Solaris, Linux Servers, CentOS, RHEL, JBoss, Apache, NGINX, Eucalyptus, RPM, YUM, SATELLITE, Splunk, New Relic, XRS infrastructure, Grafana, PostgreSQL, OVM templates.

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