System Administrator

Optomi, in partnership with a leading energy provider, is looking for a Systems Administrator at their Moncks Corner, SC location!

Position Summary: The Systems Administrator will provide technical support for critical Operational Technology (OT) initiatives and infrastructure. This role is essential for addressing staffing shortfalls and supporting high-priority projects, as well as day-to-day operational support of mission-critical environments. The successful candidate will integrate quickly into an established team and independently support complex Windows and Linux server environments, maintaining the high standards required for critical infrastructure operations.

What the right candidate will enjoy!

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• Supporting mission-critical infrastructure for a leading energy provider, where system reliability, security, and performance are essential!
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• Working on high-priority infrastructure initiatives while helping maintain and improve existing enterprise environments!
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• Collaborating with an established technical team while having the opportunity to independently own complex troubleshooting and infrastructure challenges!
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• Gaining exposure to Operational Technology (OT) environments and critical infrastructure systems!
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What type of experience does the right candidate have:

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• Hands-on experience administering Microsoft Windows Server and Red Hat Enterprise Linux (RHEL) environments.
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• Strong understanding of enterprise networking concepts, infrastructure, and server administration.
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• Experience supporting enterprise backup, endpoint protection, and security monitoring platforms.
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• Familiarity with Active Directory, operating system patching, and advanced infrastructure troubleshooting.
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• Strong analytical, problem-solving, and communication skills with the ability to work independently.
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• Previous experience in NERC CIP-regulated environments, utilities, or critical infrastructure is a plus.
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What the responsibilities are of the right candidate:

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• Administer, maintain, and support Windows Server and Red Hat Enterprise Linux (RHEL) environments.
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• Evaluate, test, and deploy operating system and application patches.
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• Troubleshoot Active Directory, server, application, and infrastructure-related issues.
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• Support enterprise security and infrastructure platforms, including Symantec Endpoint Protection, Veeam Backup & Replication, and Tripwire.
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• Develop, configure, and deploy PRTG Network Monitoring System to monitor infrastructure performance.
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• Assist with plant network switch configuration and system monitoring.
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• Participate in a rotating 24x7x365 on-call support schedule to maintain mission-critical infrastructure.
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