SUMMARY

• Talented Systems Administrator offering 4 years of experience in Linux environment and expertise in multiple flavors of Linux which includes RedHat (5,6,7), CentOS(5,6,7), Ubuntu.
• Strong grasp of assorted operating systems, numerous applications and mixed platforms.
• Strong skills in installation, configuration, deployment, hardware upgrades, patching, monitoring system performance, kernel tuning & virtualization.
• Experience with VMWare, Private/Public cloud, AWS, BladeLogic and DevOps tools like Ansible, Nagios, Docker & GIT.
• Excellent verbal and written communication skills. Strong personal and professional initiative with a focus on organizational and team success.

TECHNICAL SKILLS

Operating system: Red Hat /CentOS, Linux, Windows 7,8 & VMWARE ESX/ESXI

Network: DHCP, DNS, TCP/IP, UDP, LDAP, VLAN

Application Server: TCP/IP, DNS, NFS, NTP, NIS, SSH, DHCP, Samba, Apache, Nagios Send Mail, AWS

File Systems: Ext3, Ext4, XFS, LVM & NTFS

Languages: bash Scripting, YAML and Exposure to Python

PROFESSIONAL EXPERIENCE

Confidential

Linux Administrator / Engineer

Responsibilities:

• Strong ability to analyze technical problems.
• Installation, configuration, management and maintenance over Linux system.
• Responsible for adding, creating new user, groups and setup home directories and appropriate access restrictions to software and directories and files using access mode.
• Worked with Ansible Playbooks for virtual and physical instance provisioning configuration management, patching and software deployment.
• Experience with Redhat satellite.
• Configured Kickstart servers for baseline configuration and PXE Boot servers as file servers for Linux via NFS.
• Configuration and administration of LDAP, NFS and NIS in Linux.
• Implemented Samba for sharing resources between Linux and Windows environments.
• Configuration of NFS, DNS, FTP remote access and security management.
• Installation and configuration of NFS for Linux client.
• Troubleshoot user problems relating to Network Connectivity (SSH, HTTP).
• Installed, maintained, configured as well as troubleshooted (DNS, HTTP, NTP) servers.
• Managing different file servers like NFS, FTP and SAMBA servers.
• Installation & configuration of LVM and managing the volume, configuration of virtualization.
• Diagnosing, monitoring performance and network related issues using PS, TOP and Netstat.
• Monitored system performance and prevented resource exhaustion using SAR, VMSTAT, IOSTAT and Netstat.
• Provisioned Linux Operating Systems through Kick - start and PXE Boot.
• Wrote bash scripts and ansible playbooks to automate daily tasks.
• Remote administration of Linux server using SSH.
• Package management using RPM & YUM.
• Experience in kernel tuning.
• Managed disks using portioning tools like fdisk.
• Configured different raid level (0,1,5,6,10)
• Installed and configured VMware ESXi server and EC2 instances for virtual server setup and deployment.
• Responsible for creating VMware virtual machines running Solaris, Linux, Windows.
• Configuration of LVM and managing the volume, configuration of virtualization.
• Following SLA and working on Service now and Jira ticketing tool.
• Apache web server: PHP configuration, Virtual hosting.
• Installation of Linux flavors (Red Hat, Centos etc.) on workstations
• Responsible for setting cronjobs on the servers.
• Installing Jenkins on a Linux server.
• Used GitHub for versioning control of programs.
• Worked with GitHub as a source code Tool.
• Worked with GitHub & Bitbucket for SCM.
• Experience using Docker hub for Docker Images.
• Develop and enhance automation through scripting.
• Automation through Open Source DevOps tools like Ansible.
• Written bash scripts to automate creating (NFS, DHCP) servers.
• Experience with OSI layers.

Confidential, Bentonville, AR

Linux System Analyst

Responsibilities:

• Responsible for the Use of Access control list in user management and security (setting permissions)
• Experience with Jumpstart & Kickstart Installations on Linux.
• Install, upgrades, and manages Package using RPM & YUM.
• Install, configure and support Apache on Linux production server.
• Configuration of LVM and managing the volume.
• Worked on the Installation, configuration and upgrading of RedHat based server software and packages.
• Experience in implementing AWS services.
• Setup various user profiles, environment variables/security to ensure smooth operation.
• Experience in installing local and remote YUM servers on RedHat.
• Troubleshooting Day-to-Day issues with various Servers on different platforms.
• Diagnose and resolve technical issues with customer hardware including PC, Laptop, Remote Desktop and Mobile Devices.
• Automated and performed scheduled jobs using crontab and at.
• Installed software and packages on Linux servers using software management tools such as RPM, YUM, apt-get.
• Utilized Nagios software to monitor systems, applications and service.
• Exposure to Bash Shell scripting for automation.
• Maintained proper documentation of all the activities carried out during the project.
• Participated in on-call rotation to provide 24X7 technical supports.