Windows Server Management

kumar

Email: ************.********@*****.***

Phone: 786-***-****

Professional Summary:

Experience in Linux Administration (Installation, Configuration, Tuning and Upgrades of Linux Red Hat and Oracle).

Experienced in all phases of the software development life-cycle (SDLC) with specific focus on the build and release of quality software. Experienced in Waterfall, Agile/Scrum, Lean and most recently Continuous Integration (CI) and Continuous Deployment (CD) practices.

Extensive experience in Installing, upgrading and configuring Linux and Windows OS such as RHEL 5.x/6.x/7, CentOS, SUSE Linux, Ubuntu, Windows Server 2003/2008/2012/2016-R2/2012-R2.

Expertise in creating DevOps strategy in a mix environment of Linux (RHEL, CENTOS, UBUNTU) servers along with working experience of Linux/Unix administration and internals.

Expert in Kickstart, Jumpstart, and Ignite Installation Methods and expertise to handle tasks in RedHat Linux includes upgrading RPMS using YUM, kernel, HBA driver; configure SAN Disks, Multipathing and LVM file system.

Experience in configuration of naming services like NIS, DNS etc. on Linux and Solaris and good experience with installation, configuration of RAID volume management using Veritas Volume Manager and Solstice disk suit on Solaris Disk across & Quotas.

Administration of Production, Development and Test environment’s carrying Windows, Ubuntu, RedHat Linux, SUSE Linux, Centos and Solaris servers. Experience supporting Chef Environment with 200+ servers and involved in developing manifests.

Experience in installing and configuring DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.

Experience in creating and writing shell scripts Bash, Maven, Python and PowerShell for automating tasks.

Used Linux Logical Volume Manger (LVM) to manage drives and manage file systems using fdisk, gdisk and provide support for both physical and virtual environment.

Managed systems by routine backup, scheduling jobs like disabling and enabling cronjobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Installing and setting up Oracle on Linux for the development team. Linux kernel, memory upgrades and swaps area, Red hat Linux Kickstart Installation.

Configure and perform TCP/IP trouble shooting on servers and Setting up of ESXi server and its connectivity with the existing equipment.

Worked on various networking tools such as ssh, telnet, rlogin, tcpdump, ftp and ping to troubleshoot daily networking issues.

Ability to quickly understand, learn and implement the new system design, new technologies, data models and functional components of software system in a professional work environment

Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.

Professional Experience:

DevOps engineer,

Devon Energy,

OKC, OK.

August 2016 to Present

Responsibilities:

Designed and implemented GIT metadata including elements, labels, attributes, triggers and hyperlinks.

Implemented & maintained the branching and build and release strategies utilizing GIT.

Performed all necessary day-to-day GIT support activities for different projects.

Created and wrote shell scripts Bash, Maven, Python and PowerShell for automating tasks.

Participated in execution of client meetings and internal Maven development projects and codes for testing services on daily basis.

Administered and Implemented CI tools Hudson and Jenkins for automated builds.

Designed the project workflows/pipelines using Jenkins as CI tool.

Installed/Configured/Managed Jenkins DSL Automation.

Experience with Configuration Management Tools (PUPPET, CHEF)

Installed and administered Docker.

Automate infrastructure in AWS using Amazon Web Services. Deploy puppet to completely provision and manage AWS EC2 instances, volumes, DNS and S3.

Worked with Docker for convenient environment setup for development and testing.

Wrote Docker images for Bamboo, Nexus and various.

Designed and Developed Bamboo Build deployments on Docker containers.

Worked with Atlassian tools like Bamboo, Stash and Jira.

Installed Docker Registry for local upload and download of Docker images and even from Docker hub.

Worked on Docker-Machine.

Worked closely with developers to pinpoint and provide early warnings of common build failures.

Used MAVEN as build tool on Java projects for the development of build artifacts on the source code.

Involved in using Rancher to provide a complete platform for operating Docker in production.

Documented project's software release management procedures with input decisions.

Created views, appropriate meta-data, performed merges and executed builds on a pool of dedicated build machines.

Created and optimized Unix shell scripts using Bourne, Korn and Bash shells.

Environment: Docker, Stash, AWS, Git, putty, UNIX, Python, Jenkins, Maven, Jira, Junit, Ansible, Unix/Linux, TomcatApacheApplicationServer

Linux System Administrator,

Apalya Technologies,

Hyd, India.

February 2014 to December 2015

Responsibilities:

Administered, maintained Red Hat 3.0, 4.0, 5.0, 6.0 AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues; Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.

Experience in implementing and configuring network services such as HTTP, DHCP, and TFTP.

Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.

Installation and management of virtual servers using KVM Configure and maintain and troubleshoot NFS, FTP servers.

Configure and perform TCP/IP trouble shooting on servers and Setting up of ESXi server and its connectivity with the existing equipment.

Adding, removing, or updating user accounts information, resetting passwords etc. and configuring, administrating Cron Jobs.

Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, and MySQL databases in both development and production.

Bash shell-scripts to automate routine activities and Migrated database applications from Windows 2008 Server to Linux server.

Installing and setting up Oracle9i on Linux for the development team. Linux kernel, memory upgrades and swaps area, Red hat Linux Kickstart Installation.

Worked in a 3-Tier architecture model supporting web applications hosted on Windows Server 2008

Performing log administration to detect system errors and resolved systems and process issues reported by Nagios.

Managing systems routine backup, scheduling jobs like disabling and enabling cronjobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Using Linux Logical Volume Manger (LVM) to manage drives and manage file systems using fdisk, gdisk and provide support for both physical and virtual environment

Install, upgrade and manages packages via RPM and YUM package management

Install Firmware Upgrades, kernel patches, systems configuration, performance tuning.

Installing and configuring of security networks like certificates using SSL and worked with NetApp for taking snapshots, mirroring on both SAN and NAS

Good hands on experience on build environment using ANT

Used various networking tools such as ssh, telnet, rlogin, tcpdump, ftp and ping to troubleshoot daily networking issues.

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