Systems Administrator - Windows/Linux, VMware, On-Site

Optomi; Moncks Corner (SC); On-site; USD 70,000 - 90,000; Part time

Job summary

Optomi is seeking an experienced Systems Administrator to support critical infrastructure in Moncks Corner, SC. You will manage Windows Server and RHEL, VMware virtualization, and on-premises environments, ensuring reliability and security.

You’ll join a hands-on team with rotating on-call coverage and opportunities to contribute to patching, monitoring, and documentation, while collaborating across IT to improve operations.

Qualifications

• Strong hands-on experience administering Windows Server and RHEL.
• Experience supporting VMware virtualization and on-premises enterprise infrastructure.
• Solid understanding of networking fundamentals and basic troubleshooting.
• Experience with enterprise backup, endpoint protection, or monitoring solutions.
• Strong troubleshooting skills across server, OS, and infrastructure environments.
• Ability to document work and collaborate with a team.

Responsibilities

• Administer, maintain, and troubleshoot Windows Server and Red Hat Enterprise Linux (RHEL) environments.
• Support a highly virtualized infrastructure built on VMware.
• Maintain server performance, availability, and reliability for mission-critical systems.
• Evaluate, test, and deploy operating system and application patches.
• Troubleshoot Active Directory, server configurations, and infrastructure issues; support backup, endpoint protection, and security monitoring.
• Work with Veeam, Symantec Endpoint Protection, Tripwire, and PRTG.
• Assist with networking infrastructure including switches, routers, firewalls, and monitoring.
• Maintain accurate technical documentation and configurations.
• Collaborate with infrastructure teams on operational support and improvements.

Skills

Windows Server administration

RHEL administration

VMware virtualization

Networking fundamentals

Enterprise backup

Troubleshooting

Documentation

Independent work

Tools

Veeam

Symantec Endpoint Protection

Tripwire

PRTG

Job description

Optomi is seeking an experienced Systems Administrator to support critical infrastructure in Moncks Corner, SC. You will manage Windows Server and RHEL, VMware virtualization, and on-premises environments, ensuring reliability and security.

You’ll join a hands-on team with rotating on-call coverage and opportunities to contribute to patching, monitoring, and documentation, while collaborating across IT to improve operations.