Cybersecurity System Administrator

Pyeongtaek, South Korea, South Korea • Posted June 16, 2026

Job Type: Full-time
Location: Pyeongtaek, South Korea
Posted: June 16, 2026
Category: other-general
Application Deadline: June 25, 2026

Role 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...

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