PROFESSIONAL SUMMARY:

Linux System Administrator with more than 15 years of working experience in various roles in medium to large enterprise. Highly skilled and talented with extensive knowledge in managing projects. Looking to utilize my skills and knowledge in a resourceful organization.

TECHNICAL SKILLS:

• Apache
• FTP
• NFS
• WINSCP
• VMware
• VSphere
• Jenkins
• Samba
• Jira
• Putty
• AWS Architecture
• MySQL
• Tomcat
• Microsoft Office
• Nagios/OMD
• GIT
• Puppet
• Network cabling and configuration. Windows 8/10
• Windows server 2000/2003/2008
• Linux (RedHat
• Centos and Fedora)
• AWS Cloud Architechture.

PROFESSIONAL EXPERIENCE:

Linux System Administrator

Confidential

Responsibilities:

• Performed installation, configuration, upgrades, Package administration and support for Linux systems on client side using RedHat satellite network server.
• Worked on Red Hat Linux installation, configuring and maintenance of applications on this environment.
• Build servers using Kick Start, and VSphere Client.
• Worked exclusively on VMware virtual environment.
• Accomplished the Installation, Configuration and Administration of Web & Application Servers.
• Performed automated installations of Operating System using kickstart for Linux.
• Remote monitoring and management of server hardware.
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Worked on JIRA, adding users to JIRA, Implementing the password policy to JIRA users.
• Experience in using various network protocols like HTTP, UDP, FTP, and TCP/IP.
• Linux Installation and configuration from scratch and regular monitoring
• Network installation via centralized yum server for client package update
• Network Configuration on Linux.
• Experienced in Red Hat Linux package administration using YUM
• Configuration and Administration of NFS, NIS, and DNS in LINUX environment.
• Implemented file sharing on network by configuring NFS on the system to share essential resources
• Troubleshooting and resolving network issues
• Documentation of activities performed and making the standard operating procedure (SOP) using Confluence application.
• Linux file systems and user administration
• Tomcat / Apache /Jenkins installation configuration and troubleshooting
• Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc
• Preventing brute force using Fail2ban and Denyhosts

Linux Administrator/system Administrator

Confidential

Responsibilities:

• Installation, configuration, management, securing of new and existing application.
• Identified and corrected performance issues.
• Perform primary Linux Server administration tasks, including setup, installation, OS patching, data backup, user account management and access control.
• Installed VMware ESXi Hypervisor, Converted computers to virtual machines
• Configure Storage, Disk Management, Logical Volume Management (LVM) and Logical Partitioning.
• Provided after - hours support for applications and project efforts when needed.
• Maintaining file systems and creating NFS.
• Configured the Kernel parameters and updated the Kernel for MySQL Database
• Configured, deploy, and hosted Apache web server in a production environment.
• Created and maintained user profiles, security access rights, disk space and process monitoring.
• Troubleshoot networking problems and maintain security and integrity of the systems.
• Troubleshoot network and infrastructure services such as VLAN, Routing, DNS, NTP, Syslog, and SMTP
• Networked and interfaced configurations including knowledge of firewalls
• Created Local Yum Repositories to support Package Management with Yum and RPM
• Installed and configured secure FTP daemon to support a FTP-based Yum repository
• Installed and configured NFS - based Yum repository. Used Logical Volume Management

Network Administrator

Confidential

Responsibilities:

• Installed, Analyzed and Maintained Inter-branch network operations. Installed and maintained of Network server and Clients. Designed and maintenance of Corporate Website.
• Monitored network and systems to improve performance. Designed, planned, implemented, maintained and expanded the Network.

Network Operations Manager

Confidential

Responsibilities:

• Troubleshoots and resolved trouble tickets between backbone and the company network. Troubleshoots trouble tickets between the company network and end users Installed and maintained LAN/WAN. Installed, analyzed and maintained inter-branch network operations.
• Implemented IP schemes and administered groups IP. Maintained, implemented and secured network topologies.
• Installed, maintained wireless antenna (Parabolic and omni-directional).

Help Desk Analyst

Confidential

Responsibilities:

• Provided training and technical support for users with varying levels of IT knowledge and competence. Setting up user accounts, permissions, passwords and monitoring network usage.
• Undertakes routine preventative measures and implementing, maintaining and monitoring network security. Responsible for the maintenance of equipment and computers. Set up and configure software in all the versions of Microsoft Windows