Linux System Administrator
Linux System Administrator
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Job Description
Position Summary
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 bachelors 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 masters 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).
Employment Type
Full-time
