Network & Security Administrator — UniFi & MDM Specialist

Ohalo; South San Francisco (CA); On-site; USD 125,000 - 140,000; Full time

Job summary

Ohalo is seeking a Network & Security Administrator to own day-to-day network infrastructure and device security across South San Francisco, with support for Watsonville and Aptos sites.

You will design and maintain UniFi network infrastructure, manage WAN, VPN, and core protocols, administer Hexnode UEM and Google Workspace, and document IT policies and configurations. The role emphasizes security awareness and collaboration with the IT Manager.

Qualifications

• 5+ years of experience in network administration or similar IT role.

Responsibilities

• Design, deploy, and maintain Ubiquiti UniFi network infrastructure across sites.
• Manage WAN connectivity, DHCP, DNS, VLANs, routing, and VPN.
• Administer Hexnode UEM for company devices, including enrollment and policy enforcement.
• Familiar with Google Workspace administration and security settings.
• Own network-and-device IT documentation: policies, SOPs, configuration records.
• Automate recurring IT and network workflows and evaluate AI-assisted tools.
• Troubleshoot connectivity and hardware issues across office, lab, and field environments.
• Support KnowBe4 security awareness program and end-user training.
• Assist with security posture, segmentation, and endpoint hardening.

Skills

UniFi network

Network administration

WAN/DNS/VLAN/VPN

MDM/UEM management

Google Workspace

SOPs & documentation

Automation & AI tools

Notion/Jira/Slack

Security fundamentals

Troubleshooting

Tools

Hexnode UEM

UniFi ecosystem

Notion

Jira

Slack

Job description

Ohalo is seeking a Network & Security Administrator to own day-to-day network infrastructure and device security across South San Francisco, with support for Watsonville and Aptos sites.

You will design and maintain UniFi network infrastructure, manage WAN, VPN, and core protocols, administer Hexnode UEM and Google Workspace, and document IT policies and configurations. The role emphasizes security awareness and collaboration with the IT Manager.