OT Systems Administrator: Critical Infra & VMware

Optomi; Moncks Corner (SC); On-site; USD 90,000 - 130,000; Full time

Job summary

Optomi is seeking an experienced Systems Administrator to support critical OT infrastructure in Moncks Corner, SC. The role focuses on hands-on administration of Windows Server, RHEL, and VMware, with responsibilities spanning patching, backups, security monitoring, and on-call support for mission-critical systems.

The ideal candidate will demonstrate strong networking knowledge, excellent documentation, and the ability to work independently within a collaborative technical team.

Qualifications

• Experience administering Windows Server and Red Hat Enterprise Linux (RHEL) environments.
• Hands-on experience with VMware virtualization technologies and virtual server infrastructure.
• Experience with enterprise backup and recovery solutions and security monitoring platforms.
• Strong understanding of enterprise networking concepts and troubleshooting.

Responsibilities

• Administer, maintain, and troubleshoot Windows Server and RHEL systems.
• Support and maintain VMware virtualized infrastructure and server environments.
• Evaluate, test, and deploy OS and application patches per procedures.
• Troubleshoot Active Directory and related infrastructure services.
• Perform advanced technical troubleshooting across server, app, and infra components.
• Maintain backup and recovery solutions such as Veeam.

Skills

Windows Server

RHEL

VMware

Backup & Recovery

Security Monitoring

Networking Concepts

Documentation

On-call Support

Tools

Veeam Backup & Replication

Symantec Endpoint Protection

Tripwire

PRTG Network Monitor

Job description

Optomi is seeking an experienced Systems Administrator to support critical OT infrastructure in Moncks Corner, SC. The role focuses on hands-on administration of Windows Server, RHEL, and VMware, with responsibilities spanning patching, backups, security monitoring, and on-call support for mission-critical systems.

The ideal candidate will demonstrate strong networking knowledge, excellent documentation, and the ability to work independently within a collaborative technical team.