Systems Administrator
Listed on 2026-10-17
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IT/Tech
Systems Administrator, Windows Server, IT Infrastructure, Unix/Linux
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.
- 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.
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