Job Description
Overview
M.C. Dean is seeking a highly skilled **Cybersecurity System Administrator** to support a secure operational technology environment by integrating advanced system administration with proactive cybersecurity operations. This dual-role position requires an individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk management.
**Primary Responsibilities:**
**System Administration Duties**
+ Install, configure, upgrade, and maintain enterprise systems including:
+ Windows Server 2019/2022, Windows 10, RHEL 7/8
+ VMware ESXi / vSAN infrastructure
+ Web browsers, Adobe Acrobat, and other desktop applications
+ Manage virtual machines and storage in a VMware vSAN environment.
+ Administer Microsoft SCCM, WSUS, Active Directory (AD), Group Policy (GPO), and perform system patching and image deployment.
+ Integrate and maintain ve...
M.C. Dean is seeking a highly skilled **Cybersecurity System Administrator** to support a secure operational technology environment by integrating advanced system administration with proactive cybersecurity operations. This dual-role position requires an individual with both hands-on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk management.
**Primary Responsibilities:**
**System Administration Duties**
+ Install, configure, upgrade, and maintain enterprise systems including:
+ Windows Server 2019/2022, Windows 10, RHEL 7/8
+ VMware ESXi / vSAN infrastructure
+ Web browsers, Adobe Acrobat, and other desktop applications
+ Manage virtual machines and storage in a VMware vSAN environment.
+ Administer Microsoft SCCM, WSUS, Active Directory (AD), Group Policy (GPO), and perform system patching and image deployment.
+ Integrate and maintain ve...
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Submit ApplicationJob Details
- Location Pyeongtaek, South Korea
- Job Type Full-time
- Category other-general
- Posted Date February 24, 2026
- Application Deadline March 05, 2026