OBJECTIVE:

An accomplished and qualified system administrator Seeking a Linux Administrator position in a goal - oriented IT environment that will utilize my existing and hands-on skills, and experience to achieve the organizations objectives

SUMMARY:

• Over 8 years of experience specialized in System Administration working on Redhat Linux, Cent OS and window environments.
• Experience in Installation, Configuration, Maintenance of Linux.
• Experience upgrading and configuring RedHat Linux 6, and 7 using Kickstart Servers and Interactive Installation.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experience in Creation and managing user accounts, security, rights. disk space and process monitoring in RedHat Linux.
• Experience in configuration of NFS. DNS, LDAP, HTTP, DHCP, ftp, remote access management and security trouble shooting skills.
• Experience in the use of Saltstack Platform for managing data and configuration and remote execution of commands on multiple servers.
• Knowledge in Docker for the runtime environment of the CI/CD system to build, test & deploy. Knowledge in deploying the Open stack components on multimode with High availability environment and configuring the Open Stack keystone, glance, cinder, swift. Experience in using Jenkins to create, edit, and delete jobs while also scheduling commands Experience in using Git to configure file and update GitHub repo Experience on Webservers such as Apache Server 1.x, 2.x, & Tomcat 7 and 8
• Experience in administering VMware Infrastructure Client 5.5/6.0/6.5 VSphere web client Experience in Installation and Creation of Oracle database.
• Experience in scheduling jobs and administrative task using cron. Creating Linux Virtual Machines using VMware Center. Working knowledge on TCP/IP, UDP protocols in solving network related issues on the servers
• Management, Package Install, Patch Management, Storage Management, Performance Monitoring; Log files Monitoring, Jobs Scheduling, NFS administration and Disaster Recovery/fail-over exercises. Team player with good management, analytical, communication and interpersonal skills. Good understanding of OpenShift platform in managing Docker containers Kubernetes Clusters, Mesos. Using script to install remote Splunk servers Maintained and managed assigned systems, Splunk related issues and administrators.

TECHNICAL SKILLS:

Operating Systems: RHEL 6/7, Solaris Release 2.10/2.9/2.8. Windows 2003, 2008, 2008 R2, 2012 servers, Windows XP, 7, 8Building of Computers and installing the required software for them

Software: MS-OFFICE/MS-PROJECT, Tomcat, Web/ Application Server, Apache, Oracle.

Network Protocols: DNS, NFS, nslookup, IOS, TCP/IP, netstat, DIG, DHCP, LDAP., Virtual box, Zabbix, Git, Puppet, Splunk, Jenkins, Chef, Ansible

Language/Scripting: C, C++, JAVA, shell scripting, Java scripting, Python, Bash, VMware ESX.

Web Technologies: Servlets, JDBC, JSP, HTML, CSS, XML

Ability to multi: task, works independently and as part of a team, shares workloads, and deal with sudden shifts in project priorities.

PROFESSIONAL EXPERIENCE:

Linux System Administrator

Confidential, Glen Allen, VA

Responsibilities:

• Experience administering, installing, configuring and maintaining Linux.
• Installation, Configuration, Maintenance and Development of about 450+ Linux Servers (Mix of Ubuntu, CentOS and RedHat-RHEL)
• Experience upgrading and configuring RedHat Linux 6, and 7 using Kickstart Servers and Interactive Installation. Configures DNS, NFS, FTP, remote access, and security management.
• Creates Linux Virtual Machines using VMware Virtual Center.
• Windows systems administration including installing system Security Patches, Hot Fixes.
• Installs, upgrades and manages packages via RPM and YUM package management
• Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Proficient in Linux Utilities such as SSH, FTP, AUTOFS, Quota Management, wrappers, User Management, Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management.
• Installs, configures and supports Apache on Linux production servers.
• Manages Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
• Design, Configuration, Administration and Development of LAMP (Linux Apache MySQL PHP) based architecture and other open source applications.
• Setting up job scheduling, CRON job, running script, python, Bash Shell
• Manages systems routine backup, scheduling jobs and enabling cron jobs.
• Leveraged Docker Engine to run Multiple Tomcat Instances as Containerized App Servers.
• Administers VMware Infrastructure Client 5.5/6.0/6.5 and vSphere web client.
• Works with Database administrators to tune kernel for Oracle installations.
• Experienced in Logical Volume Management on Linux along with HTTP, HTTPS, SMTP, FTP, SFTP, DHCP, DNS, SNMP TCP/IP, UDP, ICMP, VPN.
• Experience in deploying the code through web application servers like Web Sphere/Web Logic/Apache Tomcat JBOSS.
• Enabling customers to better manage software development, deployments and infrastructure with tools such as Chef, Jenkins and GitHub.
• Knowledge on Kubernetes and docker for the runtime environment of the CI/CD system to build, test & deploy.
• Maintained and managed assigned systems, Splunk related issues and administrators.
• Installed, tested and deployed monitoring solutions with Splunk services.
• Extensively worked on Continuous Integration and Deployment using various CI tools like Puppet, Chef, Hudson, and Ansible.
• Implemented the setup for Master Slave Architecture to improve the Performance of Jenkins. Used Jenkins for Continuous Integration and deployment into Tomcat application server.
• Experience in using VERITAS Volume manager. Created disk groups, volumes, volume groups and RAIDs using VERITAS volume manager and cluster server environment. Creating new file systems, mounting file systems and unmounting file systems.
• Experience in Performance monitoring, usage and load of the system, changing kernel parameters for better performance.
• Created vfat, ext3, NFS, CIFS filesystems on Solaris 10 and Redhat Linux environment.
• Worked with engineers, QA and other teams to ensure automated test efforts are tightly integrated with the build system and in fixing the error while doing the deployment and building.
• Knowledge in working with Fiber Channel and SCSI Storage Area Networks (SAN) experienced with Storage Administration like EMC SAN Administration.
• Perform Troubleshooting of Problems / Errors in SAN Storage Systems
• Maintained and managed assigned systems, Splunk related issues and administrators.

Linux System Administrator

Confidential, Roseville, CA

Responsibilities:

• Installed Red Hat Linux using kickstart.
• Configuration and Maintenance of Microsoft Windows cluster Servers.
• Install applications, applied patches, and software updates for Windows and UNIX/Linux servers.
• Provided daily, weekly and monthly health reports on Existing Windows System & suggesting up gradations of servers or license.
• Publishing and assigning the user permissions to access the Applications in Windows Management Console.
• Worked on Red Hat Linux, Ubuntu, Solaris, AIX, CentOS, Fedora, Windows environments, and VMware vSphere. Experience in Installing, upgrading and configuring Red Hat Linux 5.x, 6.x and 7.x and Debian using Kickstart Servers.
• Created, cloned Linux Virtual Machines, templates using VMware 5.5/6.0/6.5 and migrating servers between ESX hosts.
• Managed systems routine backup, scheduling jobs, enabling cron jobs, enabling system logging and network logging of servers for maintenance.
• Performed Continuous Integration, Building and administrating using Jenkins
• Performed RPM and YUM package installations, patch and other server management.
• Installed and configured Logical Volume Manager - LVM and RAID.
• Installation, Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Send mail on Redhat Linux/Debian Servers.
• Installed and configured monitoring tools Nagios, Splunk for monitoring the network bandwidth and the hard drives status.
• Documented all setup procedures and System related Policies (SOP’s).
• Provided 24/7 technical support to Production and development environments.
• Administrated DHCP, DNS, and NFS services in Linux.
• Created and maintained user’s accounts, profiles, security, rights disk space and process monitoring.
• Monitored and controlled system processes using top, renice, kill etc.
• Provided technical support by troubleshooting Day - to-Day issues with various Servers on different platforms.
• Open SSH configuration.
• Worked on upgrades without downtime using yum and as well as setting servers locally for upgrades.
• Deployed Puppet, Puppet dashboard for configuration management to existing infrastructure.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, system Performance tuning on Unix/Linux systems, Installation and troubleshooting on VMware running Linux (Red Hat) and Windows (windows 7, XP, Vista)
• Installed and Configured Web Logic, APACHE and TOMCAT Servers with JAVA Application tools on RedHat and AIX server's environment.
• Experience in using bug tracking systems like JIRA, RALLY, Remedy, HP Quality Centre and IBM Clear Quest.
• Design, Configuration, Administration and Development of LAMP (Linux Apache MySQL PHP) based architecture and other open source applications.

Help Desk Technician

Confidential, Sacramento, CA

Responsibilities:

• Assist users with software installs, troubleshooting and data integrity
• Install and update Software needed for users
• Talk to and assist users in a friendly and knowledgeable way
• Managed call center activities to meet service level agreements.
• Performed PC support and maintenance for over 200 people.
• Test computers peripherals, hardware and software to ensure that they are working appropriately.
• Upgrade software, patches and operating systems on a continuous basis.
• Conduct remote diagnostic test to troubleshoot and resolve desktop applications issues over the phone.
• Answer telephone and emails and in person pertaining to users' computer problems in ticketing system.
• Installed and upgraded video cards, modems, hard drives, IDE controllers, SCSI drives, power supplier and memory components.
• Performed system configuration and troubleshooting.
• Created and managed user accounts, and monitored security software
• Experience in working with Microsoft Office applications, including MC Projects, Word Excel, and Outlook.
• Installation and support of desktops with Windows 2000 and Windows XP Operating system.
• Provided the backup and recovery of the files and data, worked on Windows Firewall, Terminal server, troubleshooting the computer related problems.