SUMMARY

• 9 years of experience in Linux administration like installation, configuration, AWS.
• Experience in system admin, server builds, installations, upgrades, troubleshooting, security, backup, recovery in redhat Linux systems.
• Managed AWS EC2 instances and AMI’s
• Managed DNS, FTP, apache servers in Linux.
• Worked on powerDNS on the AWS cloud and maintained it with MYSQL database.
• Worked on firebird database and the Glassfish application.
• Development / operations (devops) of application server clusters comprised of several hundred nodes.
• Responsibility for operations of ~50 monitoring servers (CentOS, RHEL), managed by Ansible/Puppet.
• Expert - level understanding of Linux/Unix administration and internals.
• Familiar with most popular scripting, and languages Python, Perl.
• Rapid-provisioning and configuration management for Ubuntu using Chef on Amazon Web Services.
• Implemented Puppet, Nagios, Chef and DevOps tools.
• Experience using cloud providers and API’s for Amazon (AWS) with CloudSigma (EU).
• Worked on Data-Center operation and migration across Unix and Linux platforms
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, and TFTP).
• Ability to work independently as well as a team member. Experienced in Trouble shooting and Back and Recovery.

PROFESSIONAL EXPERIENCE

AWS DEVOPS ENGINEER

Confidential - Ohio

Responsibilities:

• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB) and auto scaling groups.
• Worked at optimizing volumes and EC2 instances and created multiple VPC instances.
• Experience working with IAM in order to create new accounts, roles and groups.
• Experience in creating alarms and notifications for EC2 instances using Cloud Watch.
• Experience involving configuring S3 versioning and lifecycle policies to and backup files and archive files in glacier.
• Experience working on User admin groups, maintaining account and monitoring system performance using Nagios.
• Participated in configuring and monitoring distributed and multiple platform servers using Puppet. Used Puppet server and workstation to manage and configure nodes.
• Experience in writing Puppet manifests to automate configuration of a broad range of services. in managing virtual instances and disks using Puppet.
• Deployed Puppet, Puppet dashboard for configuration management to existing infrastructure.
• Used Jenkins for continuous deployment and integration of the build and release process.
• Used TFS for the version Controlling/ source code controlling.
• Worked on powerDNS on the AWS cloud and maintained it with MYSQL database.
• Worked on firebird database and the Glassfish application.

AWS DEVOPS ENGINEER

Confidential - California

Responsibilities:

• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto scaling groups and OpsWorks.
• Worked at optimizing volumes and EC2 instances and created multiple VPC instances.
• Experience working with IAM in order to create new accounts, roles and groups.
• Experience in creating alarms and notifications for EC2 instances using Cloud Watch.
• Experience involving configuring S3 versioning and lifecycle policies to and backup files and archive files in glacier.
• Experience working on User admin groups, maintaining account and monitoring system performance using Nagios.
• Participated in configuring and monitoring distributed and multiple platform servers using Puppet. Used Puppet server and workstation to manage and configure nodes.
• Experience in writing Puppet manifests to automate configuration of a broad range of services. in managing virtual instances and disks using Puppet.
• Deployed Puppet, Puppet dashboard for configuration management to existing infrastructure
• Experience in configuring and maintaining LAMP stack on production and staging servers.
• Analyze and resolve conflicts related to merging of source code for GIT.
• Experience in designing and implementing continuous integration system using Jenkins by creating Python and Perl scripts.
• Installed VMware VSphere 5 and created virtual machines on ESX 5.0 Servers using Dell PowerEdge R410.
• Worked on maintenance of ESX host clusters and security
• Managed and configured VMware virtual machine for RHEL, Oracle /Sun Solaris, Oracle Linux server
• Installed, configured and maintained DNS, FTP, TCP/IP and Samba on Red Hat Linux.
• Installed, configured and maintained web servers like HTTP Web Server, Apache Web Server, WebSphere Application Server and Samba Server on Red Hat Linux
• Responsible for installation and upgrade of patches and packages on RHEL 5/6 using RPM & YUM.

Environment: RHEL, Puppet, sun Solaris, AWS, HTTP web servers, Jenkins, Chef, FTP, VMware VSphere 5.

Linux Admin / Cloud Admin / DevOps Engineer

Confidential - Braintree, MA

Responsibilities:

• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto scaling groups and OpsWorks.
• Worked at optimizing volumes and EC2 instances and created multiple VPC instances.
• Experience working with IAM in order to create new accounts, roles and groups.
• Experience in creating alarms and notifications for EC2 instances using Cloud Watch.
• Experience involving configuring S3 versioning and lifecycle policies to and backup files and archive files in glacier.
• Experience working on User admin groups, maintaining account and monitoring system performance using Nagios.
• Managed and configured VMware virtual machine for RHEL, Oracle /Sun Solaris, Oracle Linux server
• Installed, configured and maintained DNS, FTP, TCP/IP and Samba on Red Hat Linux.
• Installed, configured and maintained web servers like HTTP Web Server, Apache Web Server, WebSphere Application Server and Samba Server on Red Hat Linux
• Responsible for installation and upgrade of patches and packages on RHEL 5/6 using RPM & YUM.

Environment: RHEL 6, AWS, Solaris, LINUX, Windows 2003/2008, Nagios.

Linux system engineer

Confidential - Peach Tree City,GA

Responsibilities:

• Installed, Configured & Upgrade of Solaris 10 and Linux operating system.
• Performed LAMP installation and configuration on Ubuntu, Red hat and amazon Linux Instances.
• Installation and Administration of Red Hat Enterprise Linux, SLSE10 using Kick start including performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Managed UNIX's server services such as Bind DNS, Puppet, Postfix, Apache web server, Tomcat, MYSQL.
• Installation and administration of TCP/IP, NFS, DNS, NTP, Auto mounts, Send mail and print servers as per client's requirement.
• Integration of Linux/Solaris with Active Directory (LDAP).
• Performed PXE network installations to install Red Hat Linux in Dell servers
• Worked on Building new servers from scratch and server monitoring operations using monitoring tools (Nagios, Zabbix).
• Redesigned and redeployed Nagios implementation. Nodes automatically added and removed mselves via Puppet.
• Collaborated with backup team to maintain and recover enterprise wide backup servers using VERITAS Net Backup.

Environment: LINUX, Nagios, Puppet, Solaris, Apache server,Tomcat,SLSE10,Zabbix

JR LINUX ADMINISTRATOR

Confidential

Responsibilities:

• Install and configure Ubuntu, Centos on remote servers and Desktop servers.
• Working with developers to load software onto Linux Enterprise servers and also debugging Scripts.
• Set up and administer user and groups accounts, setting permissions for users.
• Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.
• Used LVM for the management of logical volumes including creation of physical volumes in Linux
• Creation and administration of Virtual Machines using VMware
• Utilized Remote Desktop on Windows to provide connectivity and support for remote users.
• OS upgrades and installation of third party software, packages and patches as per requirement
• Maintaining the Linux Firewall for network and implement to secure the network.
• Troubleshooting the network with the help of netstat, ping, nslookup and traceroute tools.

Environment: Apache server, NFS, LVM, Ubuntu, Centos, troubleshooting network like netstat, ping, nslookup.

Confidential

Network Administrator

Responsibilities:

• Troubleshooting distributed systems at runtime.
• Fundamental understanding of Application and JVM Tuning.
• Experience working in a 24x7 Production environment.
• Configuring data sources for database connectivity.
• Applying web and middleware software upgrades and patches
• Enable application tracing on the application server level in order to troubleshoot a problem.
• Schedule maintenance request in Test, QA and Production environments in line with change management procedures and guideline.
• Document requirements and action plans based upon resolution and root cause.
• Troubleshoot issues with existing and developed systems and work with the appropriate service levels to resolve them.
• Write up documentation for Application Health checks
• Reproduce Customer problems and log bug reports in Engineering’s Defect Tracking System using Quality center.
• Coordinate with Engineering and QA teams to provide assistance in isolating and resolving product defects.
• Work with Development group to resolve issues and log products problems to be addressed for customer specific issues.
• Provide customers regular updates on open issues.
• Reproduce reported product issues to determine symptoms, root cause and solution or workaround.

Environment: Linux, QA, Testing, web and middleware software upgrade,health checks.