Top Linux Systems Administrator Jobs

The role involves Unix/Linux System Administration, managing Oracle CRS, providing user support, and contributing to incident, problem, and change management processes.

The Systems Administrator will manage Linux and Windows servers, perform installations and configurations, and provide support for large-scale software development and operations.

Administer and maintain Linux/Unix development, test, and production servers including imaging, patching, package management, and shell-level maintenance. Monitor systems, troubleshoot complex OS/service/connectivity issues, own Level 2 incidents through resolution and root-cause analysis, produce operational reports, maintain documentation/configuration data, create runbooks, and train Level 1 analysts. Support 24x7 operations across rotating shifts and ensure compliance with export-control and authorization requirements.

Maintain and troubleshoot Linux-based HPC systems, cloud tooling, Kubernetes platforms, and M&S applications; execute automation and GitLab pipelines; perform backups, patches, monitoring, and system documentation; respond to outages and recommend infrastructure improvements.

Maintain and support on-premises and cloud HPC/Linux systems. Install, configure, patch, and upgrade OS, Kubernetes, and M&S applications. Develop automation (Ansible, GitLab CI/CD), troubleshoot outages and hardware/A/V issues, monitor backups, document procedures, and recommend system improvements. May supervise staff.

Administer and patch Red Hat and Ubuntu design environments, support engineering users, automate tasks with Python/DevOps and Lambda, manage storage integration, route and resolve tickets per SLAs, and contribute to infrastructure projects and process improvements.