SUMMARY:

• Certified Professional with over 8 years of experience as a System Administrator/Engineer/ DevOps Engineer working onUnix/Linuxadministration, systems maintenance, systems security, network administrationCloud &Automation.
• Close to 4 years’ experience working on Cloud and DevOps platform working on configuration management tools (puppet, chef, Ansible), CI/CD (Jenkins), Container (Docker, Kubernets), Version Control (SVN, GIT), Cloud (AWS), Monitoring (Nagios, Splunk) and other third party and open source tools.
• Worked in system configuration management (SCM) in Agile methodologies, which include compiling, packaging, deploying and Application configurations.
• Experience with configuration management tools like Puppet, Chef, and Ansible.
• Implemented CI/CD using various Tools like Puppet, Chef, Jenkins and Hudson .
• Proficient with Docker based container deployments to create environments for dev teams and containerization of environment delivery for releases.
• Knowledge on various Docker components like Docker Engine, and Docker
• Experience in DevOps Support/Monitoring.
• Developed CICD pipelineto build test & deploy apps in lower and higher environments.
• Experience in Installing, configuring and maintaining Samba, Web Sphere & Web Logic Application Servers, Nagios and Chef.
• Developed Cloud formation templates which would create application stack, that Includes Elastic Load Balancers, Auto Scaling Groups and EC2 Instances, Establish connection to on premises databases and cache servers.
• Experience with Route53 in throttling services from Different AWS - regions and across different Datacenters.
• Used S3 Bucket to store application artifact and Application Metadata. Created VPC for DEV and QA environments. Handled AWS users and applications deployed on AWS using IAM by creating various policies and roles and assigning them to resources.
• Worked onAmazon EC2 setting up instances, virtual private cloud and security groups.
• Expertise in scripting for automation/monitoring using Shell, Python, Perl, Ruby scripts.
• Experience in Installing and configuring of web application like Apache Tomcat/Java/MySQL/Oracle.
• Experience in creating Puppet modules and manifests to automate configuration along different nodes.
• Experience in developing ChefRecipes to automate all builds process.
• Extensive experience working on installation, configuration, maintenance and troubleshooting of Linux (Red hat, Ubuntu, Suse,CentOS)and Unix (AIX, Solaris).
• Mentored and trained system administrators on various new implementations.
• Configuring and Administering DNS, NIS, NIS+, LAMP and LDAP on RHEL environment.
• Experience in Installation and configuration of Web hosting administration HTTP, FTP, SSH, SFTP, Samba and NFS,NTP Server configurations.
• Experienced on DR practices, which included failover/recovery of servers from various DR sites.
• Worked on 24X7 call support in the production environment on the rotation basis.

TECHNICAL SKILLS:

Operating Systems: RHEL 4/5/6/7, Fedora core1/2,Suse 9/10,11, CentOS 4/5/6/7, Ubuntu 12.04,14.04 LTS, AIX 6.1/7.1/7.2, Solaris 5.10/5.11, Windows

Programming Languages: Unix Bourne Shell, awk, Ruby,Python,Bash.

Hardware: HP (dl380 G7/G8/G9), DELL Poweredge 1650, 2850, 2950, 6400, IBM X Series, Cisco UCS

Web/Application Servers: Apache/Tomcat, WebLogic, JBOSS

Virtualization Tools: VMware ESX 3.0.1 & 3.5.0 Server, VMware ESXI 5.0, 5.1 5.5, 6.0 VCENTER 5.0, 5.1, 5.5,6. 0

Protocols: FTP, TELNET, SFTP, NFS, DNS, SMTP, SENDMAIL, NIS, TCP/IP, LDAP.

Storage Devices: SAN & NAS.

Databases: Oracle 9i/10g/11g/12c, DB2, MySQL, SQL, Sybase

3rd party tools/DevOps: Zabbix, Nagios, Cacti, Puppet, Chef, GIT, BIGIP, Jenkins, Tripwire, HP Server Automation, Centrify, SVN, TortoiseSVN, SNOW, JIRA,Qualys, Netbackup, Bitbucket, Splunk

PROFESSIONAL EXPERIENCE:

Confidential, Tempe,AZ

DevOps Engineer/AWS Consultant

OCT 2016 Onwards

• Worked with multiple application and Project manager teams on designing and providing the integration of enterprise level applications architecture in Agile methodology.
• Responsible for implementing security, integration, and configuration management of software residing on servers as well as to administer policies and standards related to security and technical implementation guidance.
• Worked on design analysis, application development, debugging, testing and documentation of the various phases in a software development life cycle.
• Supported automation of builds, deployments and testing usingpuppet while Installing Puppetservers and clients by using the build from Jenkins repository which was later deployed in target environment.
• Automated the deployment process and Admin tasks using Puppet Modules and Manifests by using Ruby Scripting.
• Built and Deployed Java code using Jenkins.
• Migrated traditional pipeline web application to Docker &Worked on SVN for version control.
• Created CI/CD using SVN-Jenkins-Puppet that would Build Test and Deploy the application to Dev, UAT and PROD Environment.
• Developed Jenkins jobs which would call Python/Shell scripts from SVN and trigger Package Build in respective node then Upload package.
• Responsible for Migration of Applications from On-prem to AWS.
• Worked with AWSmaintenance and management of AWS cloud and its services likeEC2, ELB, S3, RDS, Route53, VPC, Auto Scaling, Lambda, IAM, Cloud watch as per requirement
• Set up security groups,EBS volumes and Automated AMI backup; launched EC2 instances, Mounted S3 bucket oninstances enabling cross region replication, static web hosting.
• Created automated notifications for unused EBS volumes, security that have ports open to internet, scheduled stop & start of EC2 instances using Lambda
• Configured ELBto distribute incoming traffics across multiple EC2 instances and Routed traffic using Route 53.
• Used Amazon Cloud watch to monitorAWS resources and usedCloud Trail to track.
• Performed monitoring activities for all builds by installing and configuring Nagios.
• Installed and configured Apache-Httpd on IBM AIX 6.x/7.x, Red Hat 5/6/7, Solaris 10/11 and Windows Servers.
• Installed, integrated, tuned, and troubleshoot Apache Tomcat 6.x/7.x,8.x, Oracle Web logic 10.x application servers.
• Tune JBoss EAP parameters for optimal system performance.
• Worked with stakeholders to architect the enhancement of current enterprise applications to efficiently capture the information and apply to the build procedure.
• Compiled/built Standard/Custom WF Apache-HTTPD/OpenSSL/Jboss, Jboss EAP/WebLogic/Apache Tomcat package from source with updated version.
• CreatedRPM packages for RHEL 5/6/7 servers.
• Created JDBC connections between Data base and JBoss console, and deployed applications war file through JBoss console.

Environment: AIX 6/7, RHEL 5/6/7, Solaris 10/11, Chef, SVN, JIRA, Maven, ANT, Jenkins, Splunk,Nagios, Docker, Apache Httpd, OpenSSL, AWS, JBoss, Apache Tomcat 6.x/7.x,8.x, Oracle Web logic 10.x, MySQL.

Confidential, Dallas, TX

Systems Engineer/DevOps Engineer

• Responsible for helping define standards and guidelines for Linux within the Confidential infrastructure platform space, and ensuring operational compliance.
• Worked in an agile development team to deliver an end to end continuous integration and continuous deployment product in an open source environment using tools like Chef& Jenkins.
• Used Agile practices and test driven development techniques to plan, design and implement various technologies introduced to the client like GFS cluster, CHEF, Docker and any other implementation related to OS.
• Mentored and trained system administrators on various new implementations.
• ProvidedSOP documentation for level 1 and 2 implementation and Level 3 escalations for UNIX Operational support teams and assistance for complex project deployments.
• As member of Platform Engineering team responsible to oversee all major and minor changes in2400+ on premises RHEL 6.x,7.x and AIX 6,7 & over 40 AWS cloud instances.
• Performed migration of AIX and Solaris servers to RHEL 6.x servers as per the Confidential standard as part of Migration project, migrating 100 AIX server to RHEL 6.
• Installed and configured VMs operating VMware ESXi 5.1/5.5 and VSphere Client; created gold Templates for RHEL 5 and 6. Performed P2V & V2V Migration of RHEL severs using VMware Converter & VMotion.
• Installed, configured & managed (automation & manual build) RHEL 6/7 on HP 380 Gen7/8/9 by creating Confidential standard ISO images/Kickstart files. Setup & configured ILO and IMM on various HP & IBM severs.
• Worked and learned a great deal from Amazon Web Services ( AWS ) Cloud services like EC2, S3, EBS
• Migrated an existing on-premises application to AWS . Used AWS services like EC2 and S3 for small data sets processing and storage.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Configured S3 versioning and lifecycle policies to and backup files and archived files in Glacier and Used IAM to create new accounts, roles and groups.
• Created custom AMI with the customized configuration to comply with Confidential standard.
• Worked with automation team to create CI-CD pipeline (Bit bucket, Jenkins & CHEF).
• Worked with automation team to create chef cookbooks and recipes as part of Standardization project for Linux OS to comply with application and security standards.
• Used Chef to manage Web Applications, Configuration Files, and Database, Commands, User's Mount points and Packages.
• Performed system & web monitoring with various tools like Nagios, HPOM and Splunk.
• Automated various manual tasks with custom script using Perl, Python, Ruby and Shell.
• Configured Jenkins for doing the build in all the non-production and production environments and Troubleshoot the issues raised in Jenkins while using for continuous integration and deployment
• Involved in creating of container from Docker file and Clustering of Docker.
• Manage Version Control Systems tools like Bit bucket to implement version control systems to track, document and control changes to the repository source code.
• Created Isolated chef development environment on windows VDI for Engineers to create chef cook-books and recipes using source tree, atom, chefdk and vagrant.
• Supported and configured OS level configuration for various applications such as SWIFT, MQM, WebSphere, Apache/Tomcat, Oracle & Sybase in DEV, UAT and PROD.
• Performed server security hardening for PCI, SOX compliance using DSS standards.
• Installed/configuredtripwireto define and setup rules and policy; remediated more than 13000 violations for 2400 servers to comply with company standard.
• SpearheadedRHEL 7 base image creation project as per company compliance, which involved checking applications compliance, security compliance and making necessary changes in OS level as per the company standard.
• Participated in DR practices in monthly/Bi-Weekly cycle, which included failover and recovery of servers from various DR sites.

Environment: RHEL 5/6/7, AIX 6/7,ESXI 5.1/5.5, HP DL380, EMC Clariion, CHEF, HP Opsware, TSM, Tripwire, Centrify, AWS, Bit Bucket, Splunk, Nagios, HPOM, Docker, TIBCO, Oracle 11g/12c.

Confidential, Denver, CO

DevOps/System Engineer

• Installed and maintain Puppet-based configuration management system. Designed and deployed the Nagios implementation, Implemented Puppet modules to automate configuration of various of services.
• Automated the cloud deployments usingPuppetand AWS cloud formation templates.
• Configured Puppet to build up services and applications on the instances once they have been configured using cloud formation.
• Deploy and Smoke-Test the application into all Dev/QA, Prod/DR environments on internally-hosted systems, as well as cloud hosting (Rackspace and AWS)
• Configured AWS IdentityAccessManagement (IAM) Group and users for improved login authentication and created AWS Securitygroups to act as virtualfirewalls to control traffic
• Configured S3 versioning and lifecycle policies and backup files and archive files in Glacier.
• Created Jenkins jobs to build, test and deploy an application.
• Worked on Development and test for scalable Linux deployments on AWS via Docker.
• Installed and configuredRed Hat Enterprise Linux 5.x, 6.x, Ubuntu 12.04/ 14.04 LTSusing kick-start servers and upgraded Ubuntu from 12.04 to 14.04 LTS.
• Administered and Supported over 1000 Linux and Unix Servers like RHEL 5.x, 6.x, CentOS 5.x, 6.x, Ubuntu 12.04, 14.04 LTS, SLES 10,11, AIX 7.x
• Worked on installation, configuration, performance tuning, troubleshooting, security hardening, patching, racking of physical servers, decommissioning, and p2v physical servers.
• Installation of ELK Stack on Ubuntu 12.04 i.e. Elasticsearch, Logstash and Kibana.
• Wrote custom parameterized Bash and Ruby scripts to automate day-day tasks like Brocade backup, Load Balancer Backup, Database backup and implemented them through RunDeck.
• Created Dev, Staging and Production environment on AWS and managed AWScloud environment including creating new instances.
• Extensively worked on monitoring production servers and processes with Nagios.
• Developed/configured Linux VM’s operating VMware ESXi 5.1/5.5 andVSphere Client.
• Installation and Configuration of Cassandra 2.2, MySQL 5.6 and Couchbase databases.
• Implemented knowledge based tool called ‘MediaWiki’ to upload and share internal documents for the group.

Environment: RHEL 4.x/5.x/6.x,7.x, CentOs5.x/6.x,7.x, SLES 9/10/11, IBM AIX 5L(5.1,5.2,5.3), VMware ESXi sever 5.1, 5.5, VERITAS Cluster Server 4.x & 5.x, Volume Manager 3.x/ 4.x, F5,, DELL PowerEdge R820, NAGIOS, PUPPET, GIT, Jira, ESXI, Postgresql, AWS, CHEF,SVN, Jenkins

Confidential, Columbus, GA

System Admin/ Engineer (LINUX/UNIX)

Responsibilities:

• Supporting 340+ Linux servers, automated weekly patching using Lumenision patch agent.
• Installation, monitoring, troubleshooting and management of RHEL/SUSE/UbuntuOS on x86 & x64 architectures and performed security hardening as per the company policy.
• Responsible for creating, cloning and decommissioning servers in the environment which included RHEL4.x/5.x/6.x, SLES, Centos servers.
• Integrated AD user accounts with Linux servers using samba Winbind, and also Centrify.
• MaintainedActive Directory and LDAP based, User Authentication, groups and roles.
• Changed all the systems in the environment to use STATIC IP instead of DHCP.
• Planned, implemented, and managed Splunk for log management and analytics.
• Convert old physical servers to virtual using VMware converter.
• Involved in migrating virtual Netwarevirtual machine from SLES Servers to Esxi 5.5 host for 200+ branch, also migrated Netwarevms from Esx3.05 host to Esxi 5.5 and used VMware
• Experience setting Linux to support RAC, Oracle and WebLogic installations and performed administration (Installation of SSL certificate) and troubleshooting on performance issues.
• Worked on Puppet to configure servers, manage profiles, and push changes.
• REDHAT Enterprise Linux 5,6 Installation on various servers using Kick-start and configuration & support for various applications run on Linux environment.
• 24x7 support for the UNIX servers. Rotating on call responsibilities for Production.

Environment: RHEL 4.x/5.x/6.x, SLES 9/10/11, Centos 5/6, Ubuntu 11.10, ESX 3.x, ESXi 5.0/ 5.1/5.5, Vcenter 5.x, WebLogic 9, Volume Manager 4.x/5.x, AWS, Centrify, Samba Wind Bind, LAMP, Puppet, Oracle 11g R2, Apache, Samba, HP Proliant servers HP BL460, DELL PowerEdge.

Confidential, Mahwah, NJ

System Admin/ Engineer (LINUX/UNIX)

Responsibilities:

• Installation and Configuration of RHEL4.x/5.x, Ubuntu 10.4 and SLES 10/11on HP and Dell Rack and Blade servers&AIX6.x also worked on Kickstart and Jumpstart.
• Installation of Linux servers and creation of VMS’s using the web console vCenter on VMware ESX.
• Worked on Maintaining and Troubleshooting of FTP Server, Samba Server of the client
• Handled the day-to-day Operations, install software, apply patches, manage file systems, monitoring performance and troubleshoot alerts.
• Built & configuredRed hat Linux systems over the network, implemented automated tasks through crontab, resolving tickets according to the priority basis
• Automated process using Puppet, wrote/maintained Puppet Modules and Manifeststo deploy and maintain packages, files, cronjobs, services, users, and groups.
• Involved in installation and management of different automation and monitoring tools on Red hat Linux like Nagios.
• Maintained MySQL, Oracle, PostgresSQL and MSSQL databases for in-house application data usage (input and consumption).
• Involved in Change Control Management and documentation of the procedures.

Environment: RHEL4.x/5.x, Ubuntu 10.4, SLES 10/11, AIX 6.x, ESXI 4.0, VCenter 4.0,, Puppet, FTP, NFS, LDAP, DNS, MySQL, Oracle, PostgresSQL, Kickstart,Jumpstart,Puppet, Nagios, .

Confidential, Las Colinas, TX

LINUX/ UNIX System Administrator

Responsibilities:

• Worked on System Administration which included Installation/configuration/monitoring /troubleshooting ofRHEL 4.x/5.x, OEL, Ubuntu 8.10 operating system.
• Worked on Virtualization usingVMware workstation, GSX/VMware server, VMware Converter, VMware player and ESXi server 3.5.

Environment: RHEL 4.x/5.x,OEL,Ubuntu,Esxi 3.5, LVM, RAID, DNS, SendMail, F5, kickstart, Veritas Volume Manager 4.1, SAN(EMC, Hitachi).