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# Senior System Administrator

- **Company:** Foxconn Industrial Internet - Fii
- **Location:** Sunnyvale, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Proxmox, Microsoft Windows, Antivirus Softwares, Software System Penetration Testing, Cyber Security, VMware ESX Servers, Event Logging, Hyper-V, Storage Area Network (SAN), Linux Servers, Microsoft Servers, Microsoft Software, Server Administration, Systems Architecture, Information Technology, Patch Management, Network Server, Cisco, Vmware
- **Published:** November 3, 2026
- **Apply:** https://www.thejobnetwork.com/job/2c475f53-5503-46ee-a187-3e17568b7050/senior-system-administrator

## About the Role

* 5+ years of experience in IT and System Administration management.
 * Expertise in VMware ESXi 7+, Proxmox, or Hyper-V (advanced to expert level).
 * Proficiency in Microsoft Server 2016+ (advanced to expert level).
 * Strong knowledge of Rocky Linux Server (advanced to expert level).
 * Skilled in troubleshooting hardware, software, and user issues.
 * Preferred experience in cabling and infrastructure setup.
 * Excellent problem-solving and troubleshooting abilities.
 * Experience with storage area network devices.
 * Cybersecurity-oriented mindset to prevent denial of service attacks and ensure robust system protection.
 * Microsoft 365 administration (Expert is a must)

Educational Requirements:

 * Associate or Bachelor's degree in an IT-related field.
 * Any IT infrastructure certifications are a plus (e.g., CompTIA, VMware, Microsoft, Cisco, etc.)

## Description

* Perform server administration tasks, including user/group administration, security permissions, group policies, print services, research event log warnings and errors, and resource monitoring to ensure seamless integration of system architecture components.
 * Monitor VMware datacenter health using pre-existing management tools, respond to hardware issues, and assist in building, testing, and maintaining new servers as necessary.
 * Maintain internal infrastructure, including servers, printers, security updates, antivirus, and patch management console.
 * Conduct vulnerability scans and penetration tests to assess system security.
 * Serve as level 2 support, collaborating with IT Admin and other teams to troubleshoot, identify root causes, and provide technical support when required.
 * Perform routine/scheduled audits of systems, including verifying backups.
 * Represent the IT department during audits such as ISO 27001 or others as applicable
 * Microsoft 365 management, integrate the on-prem DC to the cloud