Systems Administrator

Systems Administrator | Windows, Linux & VMware

Optomi, in partnership with a leading energy provider, is seeking an experienced Systems Administrator to support critical infrastructure operations and high-priority technology initiatives in Moncks Corner, SC!

This is a great opportunity for a hands-on infrastructure professional who enjoys troubleshooting complex systems, working with Windows and Linux environments, and taking ownership of reliable, secure enterprise infrastructure.

You'll join an established technical team supporting a highly virtualized, primarily on-premises environment where your expertise will have a direct impact on day-to-day operations and infrastructure reliability.

Position Details

• Location: Moncks Corner, SC


• Schedule: Primarily onsite, with potential flexibility for a 4-day onsite / 1-day remote arrangement


• Employment: Open to Contract-to-Hire or Direct Hire


• Environment: On-premises infrastructure, approximately 95% virtualized


• On-Call: Rotating 24/7 support coverage, with historically light call volume

What You'll Be Doing

• Administer, maintain, and troubleshoot Windows Server and Red Hat Enterprise Linux (RHEL) environments.


• Support a highly virtualized infrastructure built primarily on VMware.


• Maintain server performance, availability, and reliability across mission-critical systems.


• Evaluate, test, and deploy operating system and application patches.


• Troubleshoot Active Directory, server configurations, and infrastructure-related issues.


• Support enterprise backup, endpoint protection, and security monitoring solutions.


• Work with technologies such as Veeam, Symantec Endpoint Protection, Tripwire, and PRTG.


• Assist with networking infrastructure, including switches, routers, firewalls, and system monitoring.


• Maintain accurate technical documentation, procedures, and system configurations.


• Collaborate with infrastructure teams on operational support, troubleshooting, and ongoing improvement initiatives.

What We're Looking For

• Strong hands-on experience administering Windows Server and Red Hat Enterprise Linux (RHEL).


• Experience supporting VMware virtualization and on-premises enterprise infrastructure.


• Solid understanding of networking fundamentals, including TCP/IP, DNS, routing, and basic network troubleshooting.


• Experience with enterprise backup, endpoint protection, or infrastructure monitoring solutions.


• Strong troubleshooting skills across server, operating system, and infrastructure environments.


• Ability to work independently, document technical work, and collaborate effectively with a team.

Bonus Experience:

• Experience supporting Operational Technology (OT) or critical infrastructure environments.


• Familiarity with NERC CIP or NIST security standards.


• Experience with Veeam, PRTG, Symantec Endpoint Protection, or Tripwire.


• Firewall administration or configuration experience.


• Background supporting utilities, energy, manufacturing, or industrial environments.

Why This Opportunity?

• Work in a highly virtualized, on-premises enterprise environment.


• Take ownership of meaningful infrastructure responsibilities and technical challenges.


• Support mission-critical systems where reliability and uptime matter.


• Collaborate with an experienced technical team on a variety of infrastructure projects.


• Gain exposure to Operational Technology infrastructure and regulated energy environments.

This position also includes participation in a rotating on-call schedule to support critical operations.

• If you're a strong Systems Administrator with experience across Windows, Linux, and VMware and enjoy keeping complex infrastructure running smoothly, we'd love to connect!