Network & IT Infrastructure Administrator - Must Bilingual in Korean

SBT Global, Inc.; Warren (OH); On-site; USD 65,000 - 90,000; Full time

Job summary

SBT Global, Inc. is seeking a Network & IT Infrastructure Administrator who is bilingual in Korean to support our office and regional operations. The role covers network administration, IT support, and collaboration with vendors and stakeholders.

The candidate will manage LAN/WAN, VPN, security, Windows Server and Active Directory environments, and provide on-site and remote support for about 200 users across office and warehouse settings.

Qualifications

• Bachelor's degree in IT or related field.
• Minimum 3 years in network administration or IT support.
• Experience supporting ~200 users in office/warehouse environments.
• Strong knowledge of TCP/IP, DNS, DHCP, routing, switching.

Responsibilities

• Manage and maintain LAN/WAN, wireless, VPN, and security environments.
• Configure routers, switches, firewalls, and access points.
• Troubleshoot connectivity, performance, and wireless issues.
• Support Windows Server, Active Directory, DNS, and DHCP.
• Provide onsite and remote user support for ~200 users.
• Assist with network upgrades, documentation, and projects.
• Coordinate with vendors and stakeholders.
• Participate in IT policy implementation and cybersecurity initiatives.

Skills

TCP/IP

DNS

DHCP

Routing and Switching

LAN/WAN/WLAN

VPN Technologies

Firewall Administration

Network Monitoring

Customer Service

Documentation

Microsoft Office

Education

Bachelor's Degree in IT/CS/Engineering

Tools

Cisco Wireless Infrastructure

Windows Server

Active Directory

Microsoft 365

Cisco Meraki

Azure AD

Packet Analysis Tools

VoIP/Unified Communications

Job description

Network & IT Infrastructure Administrator - Must Bilingual in Korean

• Full-time

Full-time, On-site

We are seeking a proactive and technically skilled Network & IT InfrastructureAdministrator to support our office and regional business operations. This position is responsible for maintaining network infrastructure, supporting approximately 200 users across office and warehouse environments, and ensuring stable IT operations. The ideal candidate will possess strong networking knowledge, hands‑on IT support experience, and the ability to work independently while collaborating with internal teams, vendors, and business stakeholders.

1. Network Infrastructure Administration

• Manage, monitor, and maintain LAN/WAN, wireless, VPN, and network security environments.
• Configure and support network devices including routers, switches, firewalls, and wireless access points.
• Troubleshoot network connectivity, performance, routing, switching, and wireless issues.
• Support network upgrades, expansions, and infrastructure improvement projects.
• Maintain network documentation, diagrams, standards, and operational procedures.
• Coordinate with carriers, vendors, and service providers for issue resolution and implementation activities.
• Assist with network security administration including firewall policies, VPN access, and access control management.

2. IT Infrastructure & Systems Support

• Support Windows-based infrastructure, Active Directory, DNS, DHCP, file services, and user account administration.
• Perform system monitoring, patch management, and routine operational maintenance.
• Assist with IT infrastructure deployments, upgrades, and migration projects.
• Maintain IT asset inventory, lifecycle management, and documentation.

3. End User Support

• Provide onsite and remote technical support for approximately 200 users.
• Troubleshoot hardware, software, printing, conferencing, and connectivity issues.
• Support employee onboarding, offboarding, workstation deployment, and equipment setup.
• Serve as the primary point of contact for local IT support requests and escalations.
• Coordinate with internal IT teams, external vendors, and business stakeholders.
• Support office, warehouse, and infrastructure expansion initiatives.
• Participate in IT standardization, cybersecurity, and operational improvement projects.
• Assist in implementing corporate IT policies and best practices.

Required:

• Bachelor's Degree in Information Technology, Computer Science, Engineering, or related field.
• Minimum 3 years of experience in Network Administration, Infrastructure Operations, or IT Support.

Strong knowledge of:

• TCP/IP, DNS, DHCP
• Routing & Switching
• LAN/WAN/WLAN Technologies
• VPN Technologies
• Firewall Administration
• Network Monitoring and Troubleshooting

Hands‑on experience configuring and supporting:

• Cisco Wireless Infrastructure
• Experience supporting Windows Server environments and Active Directory.
• Experience providing user support in office and warehouse/manufacturing environments.
• Ability to troubleshoot network and infrastructure issues independently.
• Strong customer service, communication, and documentation skills.
• Proficiency in Microsoft Office Suite (Excel, Outlook, PowerPoint, Word).

Preferred:

• Experience with Cisco Meraki administration and deployment.
• Experience with Microsoft Entra ID (Azure AD) and Microsoft 365 administration.
• Experience supporting warehouse, logistics, or manufacturing environments.
• Knowledge of network security technologies including IPSec, SSL VPN, IDS/IPS, and Access Control.
• Experience with VoIP, Unified Communications, and wireless network optimization.
• Familiarity with network monitoring and packet analysis tools.

Certifications:

• CompTIA Network+
• Microsoft Certified Credentials

All your information will be kept confidential according to EEO guidelines.