SUMMARY

• Linux Administrator with almost five years of hands - on experience in system development, design, configuration and management in physical and virtual environments.
• Highly motivated and talented systems administrator with experience in collaborating in a team environment and accomplishing company goals set by senior management and in dealing with high level tasks.
• Willing to explore and bring new innovations in the work. Working knowledge and experience with VMware, and automation tools such as Ansible and bash scripting.
• Good exposure in working in Live Production Environment and data center support.

TECHNICAL SKILLS

Operating Systems: Red Hat 5,6 &7, CentOS, Ubuntu, Windows

File System: Ext2, Ext3, Ext4, XFS, AutoFS

Cloud Management: Hypervisor, VMware, ESXI 5.x & 6.x, V-convertor, V-Motion, Cluster, Migration, HA, DRS, FT, Snapshot, Clone, Templet,

File Sharing Server: FTP, TFTP, NFS. SAMBA

Patching Tools: RPM and YUM Utility

Storage Management: LVM, NFS, SAN, LUN, NAS, Raid Levels

DevOps Tools: Ansible, Dockers

System Security: Firewall, Iptables, SE Linux

Webserver: Apache, HTTP

Network Installer: PXE boot, Kick-Start, DHCP, TFTP, FTP

Languages: Bash and YAML

Network Protocols: TCP/IP, UDP, DNS, DHCP, FTP, SCP, SSH, HTTPD, Router, Switches

Authentication: NIS, LDAP, Active Directory, Port Forwarding, SSH-authentication

Networking: NIC bonding, Network Manager, Network Scripts and configuration files, Channel bonding

Disk Management: Swap, LVM, Fdisk, Gdisk, Parted, Partitioning

Hardware: Dell PowerEdge, HP ProLiant Gen, 6,7,8, Rack in Stack

PROFESSIONAL EXPERIENCE

Confidential

Linux System Administrator

Responsibilities:

• Experience in creating and managing USER and GROUP accounts, PASSWORD, PERMISSIONS, disk space
• Spin up Virtual Machines on VMware ESXi Host.
• Monitoring and maintaining the availability of the company’s servers, applications, and network to anticipate and resolve concerns before they impact production using tools such as Nagios.
• Experience installing and configuring the file system management and Logical Volume Manager (LVM).
• Networking and configuring TCP/IP, DNS, NFS, SAMBA, LDAP, SSH, TFTP,
• Utilizing SAR, NETSTAT, IOSTAT and VMSTAT for performance analysis, tuning and capacity planning, problem prevention, detection, and resolution
• Provided 24/7 on-call support to maintain production server availability within a team environment
• Experience in RED HAT 6, 7 Linux administration, performance tuning, and support experience
• Monitor DHCP and DNS servers for resource usage, CPU usage, RAM usage, disk IO, and network IO.
• Experience Installing, configuring, and troubleshooting the APACHE web server.
• With Dockers provided support to DOCKER host, registry, containers.
• Administer DOCKER ENGINE requested by the end-user.
• Provided support to patch servers.
• Offered support and resolved escalations through the ticketing system, emails, and phone calls.
• VOLUNTEER to mentoring junior administrators, creating and maintaining company documentation.
• System management tasks like user account creation, file system size monitoring, monitor system resources, and system maintenance using BASH.
• Troubleshooting network related issues using NETSTAT, IFCONFIG, and TCPDUMP.
• Experience with VMware/vSphere/vCenter configuration, administration, and troubleshooting.
• Configured Virtual Machines under VMware ESXi servers and install GUEST OS.
• Knowledge and experience of VIRTUALIZATION
• Worked on monitoring tools like Nagios, to health check the various deployed resources and services

Confidential

Linux System Administrator

Responsibilities:

• Knowledge in installing, upgrading and configuring Red Hat Linux 5, 6
• Maintaining critical production servers running Linux supporting database and Web services. Providing 24x7 supports
• Experience operating Linux using graphical and terminal interfaces
• Familiar with roles of various Linux distributions
• Install and configure Red Hat/Centos/Ubuntu/Debian Enterprise Linux Servers in both Physical and Virtual Environments.
• Install Virtual servers using templates and kickstart files.
• Knowledge of security applications and protocols such as DNS TCP/IP, DHCP, NTP, NFS, SSH.
• Install and update packages using YUM and RPM tools.
• Experience with YUM and RPM and creating application repositories.
• Experience with patching and package handling, including the build of packages for RPMs.
• Built and configured Virtual Linux Servers using ESXi and VSphere Client to ensure system scalability, optimization, management, and availability needs.
• Installing, Configuring, and troubleshooting services HTTP/HTTPS, FTP/SFTP, DHCP, DNS, NFS, AUTOFS, MySQL, Oracle, NIS, LDAP, SELINUX, and IPTABLES. maintained and monitored DNS, Apache, NFS
• Experienced in PXE installations, Performance tuning, Debugging, Systems integrating
• Developed automated build and system tasks using BASH scripting.
• Provide necessary system administration and management functions (including data backup, user administration, system maintenance, system security monitoring).
• VMware as a hypervisor to install virtual machines.
• Executed FILE SHARING on the network by configuring NFS to share essential resources.
• Installing and configuring Apache and supporting them on Linux production servers
• Assisting members on connectivity or network issues via SSH or Network adapter conflicts.
• Developed Cronjobs to automate daily backups and log archival