Manager Engineer

Binod

Phone: 510-***-****

Email: act6vc@r.postjobfree.com

System Engineer/DevOps Engineer

Summary:

●Professional experience of 7+ years’ as a System Administrator/ Engineer in RHEL 3.x/4.x/5.x/6.x, SLES 10/11 & Unix IBM AIX 7.x Power7, 6 platforms as well as worked as a DevOps Engineer in the new DevOps Environment.

●Focused on Redhat Linux 5.x, 6.x, AIX V5, V6, V7 pSeries (IBM Power p6,p7), SUN Solaris 9, 10 Zones/Containers.

●Experience in planning, installation, and migration, upgrading OS (Linux, AIX, Solaris,), deployment and Production Support. Expertise in Red Hat Linux V5 & 6 in installation and rebuilding servers.

●Strong knowledge of DNS, DHCP and IP Addressing. Installation and configuration of various services like DNS, DHCP, NFS, Sendmail, Apache Web Server, Samba, SSH, HTTP, RPM package management. Experience in administering Active Directory and group policies.

●Well versed on managing servers on Amazon Web Services (AWS)platform using Puppet configuration management.

●Experience deploying puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.

●Worked on automation tools like Puppet and Chef.

●Worked on Puppet for the deployment of servers with custom scripts.

●Createdpuppet modules to manage configurations and automate

●Worked with SVN and GIT for Version control to manage software code and revisions in a repository.

●Experience with Dockers and Vagrant for different infrastructure setup and testing of code.

●Automated software build in the DevOps environment using Jenkins and Maven.

●Extensive experience monitoring the servers using Nagios and Cacti.

●Experience in Setup and configuration of Apache on Redhat, installing KVM (Kernel Virtual Machine), configuring KVM Virtual Network, creating KVM Network Bridge Interface, and creating KVM Virtual Machines.

●Experience on setting up the satellite server and planning for System updates and supporting Red Hat Satellite server, RHN.

●Expert in Systems performance monitoring & tuning: CPU, disk, memory and network utilization.

●Extensively used scripting using Korn, Bash, Shell, Perl, Python and Ruby.

●Experience with working on boot loaders like GRUB and LILO and also upgrading Kernel on Redhat Linux servers, troubleshooting and resolving network issues related to the servers.

●Extensive knowledge of NIM, Jumpstart, Kickstart.

●Experience in migrating applications from Red Hat 4 to 5 and to 6 (manual upgrades).

●Expert in supporting and installing third party software on workstations.

●Worked on 24X7 rotation and thorough documentation of the steps in the implementation of a task.

Technical Skills:

Operating Systems

Linux (RedHat 3.x,4.x,5.x,6.x SUSE 10,Ubuntu, CentOS), UNIX, VMware ESX 3.x,4.x.

Hardwares

IBM F Series and P Series, IBM RS6000, DELL Poweredge 1650,2850,2950,6400. HP DL320,DL360,DL380, DL580 (G5,G6), IBM/Dell Blade Servers

Tools

VERITAS Volume Manager, Open Migrator,Rsync,VERITAS Netbackup 5.1, TSM 5.5, Redhat Cluster Server 2.0, Veritas Cluster server 3.5 & 4.1, Nagios, Puppet, Chef

Programming Languages

C,C++, Java, JavaScript, HTML5, PHP, MySql, KSH, CSH, Bash, and Perl programming.

RDBMS

Sybase, Oracle 7.x/8.0/9i, MySQL, MS SQL Server.

Networks

NIS,NFS &DNS and Firewalls.

Protocols

TCP/IP, FTP, SSH, SFTP, SCP, SSL, ARP, DHCP, TFTP, RARP.

Storages

EMC Symmetrix/CLARiiON, DMX, VMAX,Hitachi arrays, Amazon Web Services(AWS)

Project Summary:

Norfolk Southern, Atlanta, GA April ’15 to Till date

System Engineer/ DevOps Engineer

Responsibilities

●Installation, Configuration and Upgrade of Redhat Linux 5.x, 6.x, Ubuntu, SUSE and CentOS and some UNIXservers

●Daily Administration of RHEL 5.x and 6.x, which included but not limited to handling tickets, troubleshooting system bottlenecks, User Management.

●Implement and administer VMware ESX 3.5, 4.x for running the Redhat Linux servers on developmental ANT Test Servers.

●Involvement in configuration and support of production environment hosted in a 24x7 setup.

●Used SVN and GIT to manage software code and revisions in a repository.

●Provisioned and managed AWS EC2 instances, volumes by deploying Puppet.

●Installed, configured, and supported Puppet to standardize environments.

●Worked on Puppet extensively for deployment for servers, creating custom scripts and managing changes through Puppet master server on its clients.

●Assembling Puppet Master, Agent and Database servers on multiple Red Hat Enterprise Linux Platforms.

●Used Maven and Jenkins to automate the software build

●Change root password on all servers from centralized Puppet master server.

●Troubleshooting and problem resolutions on Linux servers including deploying latest patches for Linuxand Application servers.

●Troubleshooting application issues on Apache web servers including database servers running onRedhat Linux.

●Administer Linux servers for several functions including management of users, Groups, and permissions for each group and users.

●Package management using RPM, YUM and UP2DATE in Redhat Linux.

●Involvement in developing custom scripts using Perl and Shell scripts to automate jobs.

●Scheduling the jobs by creating cron tabs and Cron jobs on Linux servers.

●Responsible for monitoring and working on tickets. Following it up with business and technical teams, and ensuring the problem is successfully resolved.

●Responsible for providing technical support and production support for internally developed applications.

Environments:

RHEL 6.x/5.x, Ubuntu, Suse, CentOS, AIX, Puppet, SVN, Git, Jenkins, Maven, AWS, Cron, EMC Powerpath, Apache 1.2/1.3/2.x, Logical & Veritas Volume Manager, VMware ESX 4.x/3.x.

Wells Fargo, Minneapolis, MN Sept 2013 – Mar 2015

Linux/Unix SystemsEngineer/DevOps Consultant

Responsibilities

●Worked on Administration of LINUX/UNIX (Red hat, SUSE, CentOS, AIX)servers, which included but not limited to installation, Configuration, management and maintenance of the servers in development, test and production servers.

●Worked on Puppet and ChefConfiguration management tools.

●Create puppet modules to manage configurations and implemented them on agents.

●Created Puppet Modules to deploy, manage and maintain a large application of complex layers

●Worked with Dockers and Vagrant for different infrastructure setup and testing of code.

●Worked with various DevOps tools: SVN and GIT for Version/Source control, Jenkins, Maven for Build Management, and Nagios for monitoring and Splunk for Log management.

●Extensively worked on migrating VMs from physical to virtual (P2V) environment.

●Switched production to virtual from bare metal, and later worked on decommissioning and shutdown of legacy physical servers.

●Worked on Acronis Agent Installation, backing up of the Physical Server, deployment of the New VM on KVM hypervisor.

●Worked on Troubleshooting OS issues using system message logs.

●Worked on Troubleshooting Web Services API, Apache Tomcat, and CORBA issues.

●Installed Apache, MySQL, PHP, Perl Modules and customer build applications on Redhat Linux servers.

●CreatedNFS mount for applications and Samba processes for shared drives.

●CreatedKSH/Bash scripts to monitor processes and making sure of process startup when operating system restarts using chkconfig and RC startup levels.

●Managed user/group and sudo access on the Linux operating system.

●Set up logrotate for application logs and system log and static IP addresses for server when there is a new server build.

●OS standpoint troubleshooting network issues using netstat, ping, traceroute, and tcpdump commands.

●Documented the processes and procedures for system and database usage.

●Maintained team wiki and made sure all documents are in the correct format.

Environments

Red Hat Linux 4.x, 5.x, 6.x SUSE, CentOS, AIX, KVM, LAMP, Acronis, Disk Suite, Veritas Volume Manager 4.0, LDAP, DNS, NIS, NIS+, SNMP, Shell scripting, SENDMAIL, Apache, Puppet, Docker, Vagrant, Nagios, SVN, GIT, Splunk, WebSphere.

Transunion, Chicago, IL Oct ‘11 to Aug ‘13

Linux/System Administrator

Responsibilities

●Installation and configuration of various flavors of Linux likeRedHat Linux, Suse, Ubuntu and fedora servers.

●Installed, upgraded and configuredRedHat Linux 5.x and 6.x using kickstart installation andSUSE Linux Servers manually as well as using SystemImager and updating using YUM and worked on upgrading and configuring SGI Servers.

●Worked on administration of few UNIX servers like AIX and Sun Solaris in Test and Production environment and applied patches and packages to Red Hat.

●Created Virtual server on VMWare ESX/ESXi based host and installed operating system on Guest Servers.

●Updated YUM Repositories and Redhat Package Manager (RPM).

●CreatedRPM packages using RPMBUILD and verifying the new build packages and distributing the package.

●Installed, configured and maintained DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+, RPM and Samba Web servers on Linux platforms for Load Balancing.

●Worked on installation, configuration and administration of Weblogic and Websphere Servers.

●Worked in ZFS and QFS, and fixed the problems occurred, set the quota and reservations for such file systems.

●Worked on Installation and monitoring of Veritas Volume Manager, Veritas Net Backup and Sun Cluster Server in SAN Environment.

●Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.

●Implemented RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume manager.

●Worked on troubleshooting various problems while working with VxVM during initialization, replacement, mirroring, encapsulating and removing disk devices.

●Created and maintained large file systems with DMX storage devices using VxVM.

●Implemented High Availability Clusters using Veritas Clustering, HP Serviceguard, and Redhat Cluster Server.

●Registered different client servers to master Redhat Satellite Server.

●Administering the Network issues and Resolving Operating Systems related issues (AIX, Linux) and making sure that the users get the proper environment for testing.

●Involved on planning and implementation of assigned projects, changing management, on-call support, and hotline bridge participation.

Environments

Redhat Linux 4.x, 5.x,6.x, Ubuntu, Fedora, CentOS, Blade Servers, Oracle 10g,Veritas Volume Manager, Apache, VMware, Veritas Netbackup, Sun Cluster in SAN Environment.

State Farm, Bloomington, IL Jan 2009 – Sep 2011

UNIX/Linux Administrator

Responsibilities

●Involved in building and configuring Red Hat LinuxServers using Kickstart server as required for the project.

●Administration of RHEL 4, 5 that includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.

●DeployedRed Hat Satellite server with custom repositories to provide a stable management solution for the Linux environment.

●Installed and Configured Oracle on Redhat Linux Environment.

●Created profiles in Puppet and pushing them across all the servers in Unix and Linux environment.

●Involved in SAN migrations at host level using LVM mirroring and SVM Mirroring.

●InstalledRedhat Linux using Kickstart and applied security patches for hardening the server based on the company's policies.

●Managed systems routine backup, scheduled jobs like disabling and enabling cron jobs, enabled system logging, network logging of servers for maintenance, performance tuning, testing.

●Administration of RHEL 5, 6 and AIX, which includes installation, testing, tuning, upgrading and loading patches and troubleshooting server issues.

Environments

Red-Hat Linux Enterprise servers 4/5/6, (HP Proliant DL, ML Series, IBM p series, x series, Dell Poweredge Servers R610, R710), X86/X64 platforms, ASR, Opsware, VMWare, SAN(EMC, Hitachi), NAS (Netapp), BladeLogic, Puppet, Veritas Volume Manager 4.1.

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