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Linux System Administrator
Linux System AdministratorSeneca • Richmond, VA, United States
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Linux System Administrator

Linux System Administrator

Seneca • Richmond, VA, United States
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  • [job_card.full_time]
[job_card.job_description]

Job Title : Linux System Administrator

Location : Richmond, VA

Work Model : Hybrid (4 days onsite / week; 40 business hours / week)

Travel Requirement : None

Position Summary

The Government Client is hiring a Linux System Administrator to enhance, configure, deploy, and maintain system activities in support of a complex IT environment.

Key Responsibilities

  • Administer and monitor Linux systems, OpenShift container platform, and other IT infrastructure.
  • Install, configure, and maintain Linux operating systems, middleware, application software, and system management tools.
  • Develop and maintain Ansible playbooks, including inventory management, roles, and group configurations.
  • Proactively ensure maximum system uptime, reliability, and availability.
  • Monitor system and application performance, identify bottlenecks, and collaborate with development teams to implement fixes.
  • Maintain and enforce security standards, access controls, backup routines, and disaster recovery strategies.
  • Automate routine or complex tasks to improve efficiency and reduce manual intervention.
  • Coordinate with vendors and IT staff to troubleshoot and resolve infrastructure issues.
  • Respond to and resolve day-to-day tickets and service requests from development and other IT teams.
  • Support deployments, configurations, and patching activities as needed.
  • Document troubleshooting steps, solutions, and known issues to support knowledge sharing.
  • Participate in after-hours support as needed.

Minimum Qualifications

  • 8+ years of hands-on experience in LINUX administration.
  • 2+ years working with and administering OpenShift platforms.
  • A bachelor's degree in Computer Science, Information Technology, or a related field.
  • Extensive experience installing, configuring and managing Linux servers including SLES, RHEL, and other distributions.
  • Experience in OpenShift administration (use of OpenShift CLI), including understanding of architecture, containerization, and GitOps using ArgoCD.
  • Ability to create and maintain CI / CD pipelines in OpenShift, streamlining maintenance and deployment processes.
  • Proven working experience in troubleshooting Linux based environments (analyze system logs, dumps, and other diagnostic information).
  • In depth understanding of and experience with Ansible.
  • Experience with other automation tools and scripting languages (Bash, PowerShell, Python) to manage large numbers of servers.
  • Experience configuring and administering webservers (Apache HTTP, NGINX, etc.).
  • Experience with monitoring systems (Nagios, Icinga, etc.).
  • Deep understanding of virtualization concepts and technologies, including knowledge of virtual machine (VM) management, virtual networking, storage virtualization, and resource pooling.
  • Understanding of network protocols and configurations (TCP, UDP, etc.).
  • Some data center experience or the willingness to learn.
  • Self-driven learner that embraces automation and new technologies as they mature.

    • Preferred Qualifications

  • 12+ years of hands-on experience in LINUX administration.
  • 4+ years working with and administering OpenShift platforms.
  • 2+ years in data center operations.
  • A master's degree in Computer Science, Information Technology, or a related field.
  • Knowledge of how to manage container images, including building, pushing, and pulling images.
  • Experience in the administration of Java J2EE application stacks (WebSphere, Tomcat, Open Liberty, etc.).
  • In depth knowledge of Linux file systems (nfs, ext3, ceph, etc.).
  • SUSE Linux enterprise server experience on IBM mainframe.
  • Experience with SUSE Manager.
  • knowledgeable of OpenShift Virtualization.
  • Familiar with IBM Storage Protect (Tivoli Storage Manager / TSM).
  • Expertise in installing, configuring, and maintaining z / VM and z / VSE operating system.
  • Expertise in mainframe storage management (DASD, virtual tape, physical tape).
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