OBJECTIVE:

• Around 5 years of experience as Linux admin/ DevOps Engineer in automating, building, deploying, managing and releasing of code from one environment to other environment tightly maintaining Continuous Integration, Continuous Delivery and Continuous Deployment in multiple environments like (DEV/TEST/STAGE & PROD).

SUMMARY

• Building, Installation, Administration, system monitoring, performance tuning, Troubleshooting, Maintenance of Linux operating systems in a rotating 24/7 on - call rotations.
• Hands-on experience in managing virtual hosts using VMware 5.5 and Docker containerization tasks like Docker-compose, Docker files, Docker builds and creating registries in Docker hub.
• Hands-on experience in Handling services & applications like DNS Bind, DHCP, SSL, SSH and Apache, Load Balancing HA Proxy, Version Controls like Git & GitHub, Nginx, Jenkins Continuous Integration on Linux machines.
• Good Knowledge on writing automation scripts using Bash shell for automating day today activities using Automation Tools like chef.
• Implemented Xen hypervisor with Openstack Juno & Devstack for PCOIP VDI Setup.
• Good Knowledge on Openstack nova-compute node configurations on Ubuntu 14.01.
• Good knowledge on Glance, horizon, cinder, swift, keystone, ceilometer.
• Good knowledge on Amazon Aws cloud creating EC2 instances, VPC, ELB, ASG, Security groups, S3, EBS etc...
• Monitoring, troubleshooting the performance related Events like disk space, volumes, Https, sitedown, Load Average, free memory, Cpu Usage, Processes etc. Alerts generated in monitoring tools like Nagios, Cricket, Ganglia & SCOM 2012.
• Hands on experience using Logical volume manger (LVM) size extending & reducing the disk space.
• Installed Raid Software & Configured Raid Level 5 & 10 in Linux centos 6 server in test environment
• Performing L2 & L3 level full lifecycle Triage for all Events on production Linux servers including incident logging, troubleshooting, finding root cause, updating process Documentation deploying and maintaining bare metal provisioning and multiple server installation
• Experience in creating Incident tickets by using ticketing tools like RT, JIRA, Remedy, Service Now, IT guardian for different severity level & priorities.
• Taking care of their CMR (change management release) plan by updating the stakeholders via mail and phone, also assisting the lead engineers for upgrading the operating systems over 100's of physical and virtual servers in the enterprise environment.
• Initial administration and troubleshooting skills on Windows, Storage & Network related events & Strong administration skills in handling Linux Server Events.
• Generating weekly reports and sharing with the Management about escalating tickets as per Project
• SLA’S, SLA Compliance, Ticket Volume and Escalation trends. And escalating tickets as per Project SLA
• Good Knowledge on networking concepts like ROUTERS, SWITCHES, DHCP, DNS, OSI Layers, TCP/IP PROTOCOLS, Sub netting concepts.
• Working Knowledge on initial troubleshooting the network connectivity between hardware components like UCS Flex pods, cisco Nexus switches & Ethernet interfaces.

TECHNICAL SKILLS

Network & Monitoring Tool: Nagios, SCOM 2012, Cricket, Ganglia, Solar winds, LAN/WAN

Ticketing tool: RT Ticket tool, Jira tool, SMIS, IT guardian

Protocols & File Systems: DNS Bind, DHCP, FTP, NFS, HTTPS, SSH, SSL

Server Operating System: Red Hat/CentOS 5 & 6, Windows server 2003/08/12

Virtualization & containerization: VMWARE 5.5, Docker

Web Server: Apache, Nginx

Cloud: Amazon AWS, EC2, S3, ELB, VPC

Automation Tool: Chef, Puppet

Continuous Integration: Jenkins, Bamboo, Hudson

Professional courses: RHCE, MCITP, ITIL V3

Scripting Languages: Shell Scripting, bash, Ruby DSL for Chef

PROFESSIONAL EXPERIENCE

Confidential, Madison, WI

Devops Engineer

Responsibilities:

• Building, Installation, Administration, system monitoring, performance tuning, Troubleshooting, Maintenance of Linux operating systems in a rotating 24/7 on-call rotations.
• Skilled at Software Development Life Cycles and Agile Programming Methodologies.
• Working on Cloud Technologies, Virtual Machines, Amazon Web Services, Openstack, Devstack.
• Systems Administration for Linux Machines. working on Version Control Management tools like Git & GitHub
• Working on infrastructure with Docker containerization.
• Implementing Development Operations, Infrastructure as Code (Chef)
• Configuration Management and Systems Automation.
• Build environment, Build process, Build scripts (Shell/RUBY/PYTHON/JAVASCRIPT).
• Build automation, automated build and automated deployment.
• Following project handling frameworks like Information Technology Infrastructure Library for IT Service Management.
• Hands-on experience in managing virtual hosts using VMware 5.5 and Docker containerization tasks like docker-compose, dockerfiles, docker builds and creating registries in docker hub.
• Hands-on experience in Handling services & applications like DNS Bind, DHCP, SSL, SSH and Apache, Load Balancing HA Proxy, Version Controls like Git & Github, Nginx, Jenkins Continuous Integration on Linux machines.
• Good Knowledge on writing automation scripts using Bash shell for automating day today activities using Automation Tools like chef.
• Implemented Xen hypervisor with Openstack Juno & Devstack for PCOIP VDI Setup.
• Good Knowledge on Openstack nova-compute node configurations on Ubuntu 14.01.
• Good knowledge on Glance, horizon, cinder, swift, keystone, ceilometer.
• Good knowledge on Amazon Aws cloud creating EC2 instances, VPC, ELB, ASG, Security groups, S3, EBS etc...
• Monitoring, troubleshooting the performance related Events like disk space, volumes, Https, sitedown, Load Average, free memory, CPU Usage, Processes etc. Alerts generated in monitoring tools like Nagios, Cricket, Ganglia & SCOM 201.
• Working knowledge of Puppet, Chef and Ansible automation tools for system-wide configuration and management of Linux servers.
• Experience in developing puppet modules (blue prints) for installation, configuration and continuous integration (CI) using combination of puppet master, git, R10K wrapper, Openstack (Horizon), Vagrant and Jenkins/Udeploy.
• Automate the infrastructure (Chef, git-hub).
• Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager (VxVM), Logical Volume Manager (LVM).
• Backup management and recovery policies using VERITAS Net-Backup.

Environment: SVN, CVS, Ant, Maven, Git, Jenkins, Tomcat, Shell, Perl, Nexus and JIRAconfluence, puppet and Chef, Linux.

Confidential

Linux admin

Responsibilities:

• Worked as a Linux Engineer in 24/7 team responsible to Maintain Oversee.net data center and their Production Servers.
• Wide knowledge on configuring samba, DNS Bind, DHCP, HTTPS and Apache Web Servers on Linux machines.
• Performing L2 & Partial L3 level full lifecycle management for all alerts and production issues like incident logging, initial troubleshooting, doing root cause analysis, updating process Documentation on Linux Machines.
• Generating weekly reports and sharing with the Management about escalating tickets as per Project
• SLA’S, SLA Compliance, Ticket Volume and Escalation trends. And escalating tickets as per Project SLA’S.
• Responsible for the implementation, troubleshooting, and maintaining operations of network systems.
• Taking care of their CMR (change management release) plan by updating the stakeholders via mail and phone.
• Maintaining, monitoring and troubleshooting disk space, volumes, Https, site down, Load Average, free memory, Cpu Usage, Processes etc. Alerts generated in monitoring tools.
• Monitor the trend of critical server’s disk space and network fluctuation.
• Providing Root Cause Analysis (RCA) and creating tickets by using RT ticketing tool and Jira ticketing tool for different severity level.
• Basic knowledge on Creation of Logical volume manger, size extending & reducing.
• Monitoring the health and stability of Unix and Windows System environments. experience with Windows and Linux administrative tasks such as start-stop services and updating property and configuration files to modify software behaviour.
• Generating weekly reports and sharing with the Management on SLA Compliance, Ticket Volume and Escalation trends.
• Responds to customer requests through Telephone, Internal ticketing system or any other means by which the request originates.
• Configured Nagios Services; performed regular system and network monitor.
• Handle the tasks of identifying, diagnosing, and resolving hardware and software problems.
• Responsible for the implementation, troubleshooting, and maintaining operations of network systems.
• 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.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Working on Volume management, Disk Management, software RAID solutions using Logical Volume Manager and VERITAS Volume manager.
• Fine tuning of Servers and configuring networks for optimum performance.
• Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
• Setting up Network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Configuration and troubleshooting - LAN and WAN issues.
• Troubleshooting connectivity issues in a LAN using tools like Ping, Tracert, ARP, NSlookup
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Expertise in Performance Monitoring and Performance Tuning of WebLogic servers using Wily Introscope and other industry monitoring tools.
• Experience in developing the start-up and shutdown scripts for the WebLogic servers.
• Experience in designing and implementing the WebLogic application configuration management system based on WebLogic Scripting Tool (WLST) and UNIX Shell Scripting.
• Good Knowledge on writing automation scripts using shell scripting for day to day activities.

Environment: Red Hat Linux Enterprise Linux 4/5, Shell scripting, Solaris, Ubuntu Sun E10k, Windows 2003 server, WebLogic, Networking, Nagios.