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# Systems Administrator

- **Company:** Robert Half
- **Location:** San Francisco, CA, United States
- **Contract:** Temporary contract
- **Skills:** Proxmox, Ubuntu (Operating System), Configuration Management, Linux, File Server, Linux System Administration, Linux Servers, Performance Tuning, Red Hat Enterprise Linux, Ansible, Virtualization Technology, Infrastructure Automation Frameworks, Storage Technologies, ZFS File System, Hardware Infrastructure
- **Published:** July 30, 2026
- **Apply:** https://dejobs.org/x/x/9E5FE4F3978E4D278E1189DEAF70C2E4/job/

## About the Role

Requirements * Demonstrated experience administering enterprise Linux environments, with strong knowledge of Ubuntu systems.

 * Hands-on expertise designing and implementing Ansible for infrastructure automation from the ground up.

 * Experience managing file servers and storage technologies, including familiarity with ZFS environments.

 * Working knowledge of virtualization platforms, particularly Proxmox.

 * Solid understanding of infrastructure security principles, system hardening, and operational best practices.

 * Ability to manage project-based technical work independently while maintaining clear communication with stakeholders.

 * Background supporting on-premises infrastructure in a business environment.

## Description

We are looking for a Linux Systems Administrator to support a Financial Services organization with critical on-premises infrastructure initiatives in San Francisco, California. This Contract position is designed for someone who is detail oriented and can balance hands-on Linux administration with automation, storage, virtualization, and security work across several priority projects. The engagement is expected to run for approximately 3 months and may continue based on business needs and ongoing infrastructure support demands.

Responsibilities:

 * Build, configure, and maintain Ubuntu-based Linux servers within an on-premises enterprise environment.

 * Establish and manage an Ansible framework to streamline infrastructure provisioning, configuration management, and repeatable deployments.

 * Oversee file server operations and support storage platforms, including configuration, performance tuning, and ongoing administration.

 * Deliver multiple infrastructure-focused projects covering server implementation, automation improvements, and overall environment optimization.

 * Apply security standards and strengthen systems through hardening measures, access controls, and risk-reduction practices.

 * Support the organization's virtualized environment, including administration and upkeep of Proxmox-based systems.

 * Work with technology leadership to define priorities, while independently driving assigned initiatives through completion.

 * Troubleshoot infrastructure issues, recommend practical improvements, and help maintain reliable day-to-day system operations.


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