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Linux System Administrator (tier Ii &iii) Resume

Hyattsville, MD

SUMMARY:

Linux System Administrator proficient in improving productivity by setting up goals, meeting deadlines, monitoring performance, analyzing and establishing efficient solutions in maintaining systems. Seeking a rewarding and challenging position in an environment that will utilize my experience and skills, to inspire growth and excellence.

EXPERIENCE:

Linux System Administrator (Tier II &III)

Confidential, Hyattsville, MD

  • Provide architectural and infrastructure operations support and consultation to enhance the continuous integration and continuous delivery pipeline.
  • Provide hands - on technical support related to the overall health and maintenance of the Red Hat Linux operating environment in support of 24/7 operations.
  • Practical experience in deploying pre-installation testing of both software and hardware tools to ensure smooth system installations using kickstart technology for rapid and mass deployment.
  • Configure LAMP and LEMP servers to work with Drupal.
  • Working knowledge of Gitlab and configuring Apache Virtual hosts (Name based, and IP based)
  • Knowledge of system protection and hardening by using tools like iptables, SElinux, tcpwrappers and others to ensure system availability and data protection.
  • Perform Red Hat Linux system installation, configuration, administration, development and testing of backup and recovery methodologies.
  • Pre-installation testing of both software and hardware tools to ensure smooth system installations using kickstart technology and templates for rapid and mass deployment.
  • Perform system analysis, logs file reviews and resolves software issues related to networking connectivity, servers, and applications to meet business needs.
  • Knowledge of deploying and building system uptime through patches upgrades and updates using tools like RPM, Yum and apt get.
  • Experience in using Red Hat satellite Server to configure new systems and provide software updates from Red Hat Network.
  • Execute troubleshooting techniques geared at isolating and diagnosing common Linux system issues and records system output to ensure continuous uptime.
  • Good in automating routine tasks utilizing shell scripts, cron jobs and tar utility.
  • Experience in automating large scale deployments with modern configuration and deployment management systems using configuration management tools such as Ansible
  • Give recommendations on corrective actions to ensure system high availability performance and ensure implementation of actions on change request approval.
  • Regularly inspect system performance and if necessary performs backups to ensure reproduction of data prior to upgrading/updating system software and hardware components as required to meet business needs.
  • Utilize crisis management techniques to resolve matters of significance and implement corrective course of action as needed.
  • Perform installations, configurations, performance testing and upgrade of system files and services.
  • Built and configured Virtual Linux Servers (VMware)using ESXi and VSphere Client to ensure system scalability, optimization, management and availability.
  • Utilized Dell PowerEdge Servers to configure and enable Virtualization and ensure system consolidation and scalability needs.
  • Provide Tier III/other support per request from various constituencies through investigation and troubleshooting.
  • Documented all setup procedures and System Related Policies (SOP's).
  • Created and maintained user's accounts, profiles, security, rights disk space and process monitoring.
  • Provided technical support by troubleshooting Day-to-Day issues with various RedHat Linux Servers on different platforms.
  • Experience building and deploying AWS ec2 instances.
  • Strong problem solving and good communication skills with the ability to work both in teams and independently.

Linux System Administrator (Tier I)

Confidential, Hyattsville, MD

  • Performed the administration of RHEL 6&7 through installation, upgrading, testing, tuning, patching, and troubleshoot.
  • Maintain servers through patch management and system maintenance.
  • Install software, upgrade software, and perform troubleshooting on software applications.
  • Knowledge and experience with monitoring system, including Nagios.
  • Configure and use Kickstart to perform RedHat installation, ensuring that configuration and server hardening are compatible with security.
  • Perform RPM &YUM package installs, maintain, patch, and other server mgmt. duties.
  • Diagnosed, troubleshooted, and resolved hardware, software, or other network and system problems, and replace defective components when necessary.
  • Answered user inquiries regarding computer software or hardware operation to resolve problems.
  • Set up equipment for employee use, performing or ensuring proper installation of cables, operating systems, or appropriate software.
  • Installed and performed minor repairs to hardware, software, or peripheral equipment, following design or installation specifications.
  • Troubleshoot desktop applications issues while maintaining excellent customer service.
  • Updated and documented helpdesk tickets.
  • Monitored TCP/IP network environment.
  • Scheduled cron jobs.
  • Conducted hardware and software inventory.
  • Troubleshoot user logins using various remote login utilities.
  • Assist in the research, evaluation, testing, selection, procurement, implementation and maintenance of new software/hardware/systems.
  • Documented customer and software configurations and developed and/or updated standard operating procedures and training materials.

Help Desk Technician

Confidential

  • Troubleshoot problems with operating systems, applications, remote access, email, telephone, and wireless issues.
  • Monitoring TCP/IP network environment
  • Assist in the research, evaluation, testing, selection, procurement, implementation and maintenance of new software/hardware/systems.
  • Provide basic first level telephone support to end-user community on hardware, software and network related problems, questions, and/or issues.
  • Resolving software and hardware issues.
  • Document customer and software configurations and develop and/or update standard operating procedures and training materials.
  • Configured and implemented network interfaces.
  • Performed administration and monitored job processes using associated commands.
  • Monitored client disk quotas and general disk space usage.
  • Introduced new servers to the network. Maintained and provided troubleshooting for network connectivity issues.

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