Linux Administrator Resume
SUMMARY:
A Linux Engineer offering 5 years of experience in installation, configuration and troubleshooting experience in system administration on various operating system including Linux, Solaris, Windows and Centos. Self - starter, Team player and result oriented.
TECHNICAL SKILL/PROFICIENCY:
Platforms/Operating System: Window 7/8/10, Window Server 2000, Server 2003, Server 2008, Mac OS, VMware ESXi, Linux (RedHat, CentOS, and Fedora.), AWS Cloud Architecture
Applications/Services: MySQL, Apache, Tomcat, Microsoft Office, FileZilla, WINSCP, Jira, GIT, Nagios/OMD, Putty, Jenkins, Samba, FTP, NFS, VMware VSphere, AWS Architecture, Puppet, Hadoop, Ansible, Chef, Remedy.
Programming Language: Proficient in Bash
PROFESSIONAL EXPERIENCE:
Linux Administrator
Confidential
Responsibilities:
- Utilize Bash scripting language to Read, Write and Execute commands
- Perform prechecks, E-trust, Re-trust and verify E-trust on servers before patching
- Execute Prechecks and patching using BladeLogic
- Work on site and remotely using Impulse Secure login to solve technical issues with team
- Implement the installation, configuration, administration, and maintenance of Red hat Linux 6 and 7 systems according to existing standards in a virtualized environment.
- Apply Remedy as a ticketing tool
- Created CRQs and Incident reports using Remedy
- Attend to customer’s requests based on ITSP
- Used Veritas Cluster Services for detailed connection between Linux and Windows
- Used IDIP tool for checking of server information and environment in a detailed form
- Worked with the windows team to make schedules for server patching
- Patched and supported over 20,000 servers
- Provide End to End Linux Administration including installation, configuration, upgrades, and maintenance and troubleshooting of Linux systems.
- Day-to-day, hands on work building, patching, and maintaining Linux systems in a highly virtualized (VMware) environment.
- Provide thorough Documentation of the various issues handled along with the resolution
- Install, upgrade and manage packages via RPM and YUM package management
- Respond to all Linux systems problems and resolving them on a timely basis.
- Monitor systems performance on all servers (Virtual memory, Disk and CPU utilization)
- Manage Red Hat Storage using Linux logical Volume Manager
- Install Firmware Upgrades, kernel patches, systems configuration, performance tuning
- Provided on call support by rotation 24/7
Linux Administrator
Confidential
Responsibilities:
- Used Bash scripting language to Read, Write and Execute commands
- Wrote puppet manifests and Ansible playbook to facilitate continuous integration and continuous delivery
- Perform the installation, configuration, administration and maintenance of Red hat Linux 6 and 7 systems according to existing standards in a virtualized environment.
- Triggered Jenkins builds using online repository Git
- Set up OMD monitoring tool
- Firewall configuration using Iptables-services
- Ground set up and maintenance of the virtualization environment using VMware.
- Provide and supervised set-up and configuration of system software and hardware
- Provide support for web development, testing, system integration, installation scripts and other duties to support systems and network infrastructure
- Created and deleted user accounts enforce security and compliance rules to regarding passwords and access to computer systems.
- Provide End to End Linux Administration including installation, configuration, upgrades, and maintenance and troubleshooting of Linux systems.
- Day-to-day, hands on work building, patching, and maintaining Linux systems in a highly virtualized (VMware) environment.
- Provide thorough Documentation of the various issues handled along with the resolution provided
- Install, upgrade and manage packages via RPM and YUM package management
- Respond to all Linux systems problems and resolving them on a timely basis.
- Managed disk space and set up quotas for specific accounts
- Manage systems routine scheduling jobs and enabling Cron jobs.
- Monitor systems performance on all servers (Virtual memory, Disk and CPU utilization)
- Install, configure and support of Apache on Linux production servers.
- Implement password aging on Red Hat and Centos servers
- Manage Red Hat Storage using Linux logical Volume Manager
- Install Firmware Upgrades, kernel patches, systems configuration, performance tuning
- Provided on call support by rotation 24/7
- Setup of NFS and Samba file sharing services on Linux and Windows environments
- Reset password and unlock locked user account
- Utilize Bash scripting language to Read, Write and Execute commands
- Preform prechecks, E-trust, Re-trust and verify E-trust on servers before patching
- Execute patching using BladeLogic
- Work on site and remotely using Impulse Secure login to solve technical issues with team
- Implement the installation, configuration, administration, and maintenance of Red hat Linux 6 and 7 systems according to existing standards in a virtualized environment.
- Apply Remedy as a ticketing tool
- Created CRQs and Incident reports using Remedy
- Attend to customer’s requests based on ITSP
- Used Veritas Cluster Services for detailed connection between Linux and Windows
- Used IDIP tool for checking of server information and environment in a detailed form
- Worked with the windows team to make schedules for server patching
- Patched and supported over 20,000 servers
- Provide End to End Linux Administration including installation, configuration, upgrades, and maintenance and troubleshooting of Linux systems.
- Day-to-day, hands on work building, patching, and maintaining Linux systems in a highly virtualized (VMware) environment.
- Provide thorough Documentation of the various issues handled along with the resolution
- Install, upgrade and manage packages via RPM and YUM package management
- Respond to all Linux systems problems and resolving them on a timely basis.
- Monitor systems performance on all servers (Virtual memory, Disk and CPU utilization)
- Manage Red Hat Storage using Linux logical Volume Manager
- Install Firmware Upgrades, kernel patches, systems configuration, performance tuning
- Provided on call support by rotation 24/7
Linux Administrator
Confidential .
Responsibilities:
- Installing and configuring Redhat (RHEL 5) using kickstart
- Installation of software and upgrading to ensure work is performed as per the company policy on various hardware platforms
- Recommend resolutions to complex matters and coordinate the implementation of the approved course of action
- Installed and supported apache
- Installation of Nagios server.
- Installation and configuration of Nagios/OMD plugin to manage remote machines.
- Responsible for maintaining user accounts and basic service access permissions on infrastructure servers
- Reset password and access permissions on demand
- Collaborate with senior staff and clients to resolve complex problems
- Responsible for monitoring and management VMware environment of virtual servers
- Created and implemented recommendations to improve scalability and performance
- Performed system startups and shutdowns
- Support remote installations and changes
- Keeping track of maintenance of the servers in hardware & software
- Building servers with kickstart on timely basis, along with corporate wide requirement
- Maintain system patches, monitoring, alerting and standard remediation
Jr. Linux Administrator/ Help Desk Specialist
Confidential
Responsibilities:
- Systems installation, configuration and maintenance.
- Provide software and hardware tech support
- Manage warranties and software licenses for all department computers
- Administer NFS and other applications on Linux Servers
- Responsible for monitoring and management of data center
- Train new users to use standard applications, equipment’s and business applications
- Create Linux/Unix/Window Virtual Machines using VMware
- RPM and YUM package installations, patch and other server management
- Configuration, management, monitoring, maintenance and troubleshooting of all RedHat & CentOS LINUX servers.
- Implementing and Maintaining Apache web server with HTTPS
- Creating and Managing Users / Group accounts and setup a user's work environment.
- User account and access management.
- Install and configure VMware ESXi Hypervisor on the Physical Hardware.
- Configured RedHat Kickstart server for installing multiple production servers.
- Installed and configured monitoring tools Nagios for monitoring the network bandwidth and the hard drives status. Installed and configured of SAMBA utility software for sharing files with Windows hosts
- Respond to emergency calls relating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve the issue.
- Documented various regular administrative tasks and backup procedures.
- Excellent analytical, problem solving, communication and interpersonal skills
