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Senior System Administrator

Foxconn Industrial Internet - FII
Sunnyvale, CA Posted Sep 14, 2026
Full-time

About this role

Responsibilities

  • 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 Skills/Qualifications:

  • 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.) Shift:

  • From 12 pm - 9 pm or 1 pm - 10 pm

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