Network & IT Infrastructure Administrator

SBT Global, Inc.; Los Angeles (CA); On-site; USD 70,000 - 100,000; Full time

Job summary

SBT Global, Inc. is seeking a Network & IT Infrastructure Administrator to support our Los Angeles office and regional operations. This hands-on role maintains network infrastructure for ~200 users across office and warehouse environments, ensuring stable IT operations and proactive improvements.

The ideal candidate will have strong networking knowledge, hands-on IT support experience, and the ability to work independently while collaborating with internal teams, vendors, and stakeholders.

Qualifications

• Bachelor's degree in IT, CS, engineering, or related field.
• Minimum 3 years of experience in network administration, infrastructure operations, or IT support.
• Strong knowledge of TCP/IP, DNS, DHCP.
• Experience with LAN/WAN/WLAN, VPN, and firewall administration.
• Experience configuring Cisco routers, switches, firewalls, and wireless.
• Experience with Windows Server environments and Active Directory.
• Ability to troubleshoot independently and document processes.
• Strong customer service and communication skills.

Responsibilities

• Manage, monitor, and maintain LAN/WAN, wireless, VPN, and network security environments.
• Configure and support routers, switches, firewalls, and access points.
• Troubleshoot connectivity, performance, and wireless issues across sites.
• Support network upgrades, expansions, and projects.
• Maintain network diagrams, standards, and procedures.
• Coordinate with carriers, vendors, and service providers.

Skills

Networking concepts

End-user support

Documentation

Customer service

Independent work

Education

Bachelor's degree in Information Technology, Computer Science, Engineering, or related field

Tools

Cisco Routers

Cisco Switches

Cisco Firewalls

Cisco Wireless Infrastructure

Windows Server

Active Directory

Azure AD / Microsoft 365

Microsoft 365 administration

Meraki

Job description

Network & IT Infrastructure Administrator

• Full-time

Network & IT Infrastructure Administrator
$70K-100K DOE

Location: LA, CA

Onsite/ Full time / DH

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.

Main Responsibilities

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

• 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

Preferred certifications include:

• Cisco CCNA
• Cisco CCNP
• CompTIA Network+
• Microsoft Certified Credentials

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