Senior System Administrator

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.

• 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).

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

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