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Los Angeles, CA, USA
Full-time
Company Description
Full-time, On-site
Salary: $70,000 ~ $100,000 DOE
English/Korean Bilingual
We are seeking a proactive and technically skilled Network & IT Infrastructure Administrator to support our Los Angeles 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.
Job Description
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.
4. Project & Vendor Coordination
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.
Qualifications 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 Routers, Cisco Switches, Cisco Firewalls
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:
Cisco CCNA
Cisco CCNP
CompTIA Network+
Microsoft Certified Credentials
Please submit your resume - Jenniferk@sbtgus.com
