Network & Systems Engineer - OT Infrastructure Lead

IndustrialEnet; Oakland (CA); On-site; USD 110,000 - 160,000; Full time

Job summary

IndustrialEnet in Oakland is seeking a hands-on Network Engineer to own day-to-day operations of a Bay Area transportation network environment, including industrial Ethernet, security, monitoring, and virtualization. You will work with agencies, contractors, and internal teams to maintain reliability across critical infrastructure.

Qualifications include 4+ years in production networking, strong Layer 2/3 skills, Windows Server/AD, and automation awareness.

Qualifications

• 4+ years hands-on network engineering in production environments.
• Strong Layer 2 knowledge: VLANs, 802.1Q trunking, STP/RSTP, LACP, MAC/ARP, and multicast/broadcast troubleshooting.
• Strong Layer 3 knowledge: IPv4 addressing, static routing, OSPF, inter-VLAN routing, VRRP/HSRP, ACLs, route troubleshooting.
• Hands-on experience configuring managed switches, routers, and firewalls.
• Strong Layer 1 troubleshooting with fiber, copper, optics, PoE, wireless.
• Working knowledge of network security: segmentation, firewalls, VPNs, AAA/RADIUS, device hardening.
• Strong Windows Server and AD administration, virtualization and storage basics.
• Ability to read network diagrams and troubleshoot across layers.
• Ability to learn unfamiliar hardware/software quickly using vendor docs, lab testing and AI tools.
• Self-driven, proactive; strong communication with customers and engineers.
• Willingness to travel Bay Area as needed.

Responsibilities

• Configure and maintain Layer 2/3 industrial Ethernet networks.
• Troubleshoot with CLI, logs, MAC/ARP, routing tables, captures, and NMS tools.
• Support firewalls, VPNs, ACLs, NAC, and device hardening.
• Assist with field installations, site inspections, and on-site troubleshooting.
• Travel throughout the Bay Area for on-site project support.
• Document changes, network diagrams, and as-built information.

Skills

Layer 2/3 Networking

VLANs & 802.1Q

OSPF & VRRP

Network security fundamentals

Firewalls & VPNs

Windows Server / AD admin

Virtualization basics

Network automation basics (Python/PS)

Education

Bachelor's degree in Electrical/Computer Engineering, Computer Science, or related field

Tools

HiVision

ManageEngine OpManager

OpUtils

SNMP tooling

Job description

IndustrialEnet in Oakland is seeking a hands-on Network Engineer to own day-to-day operations of a Bay Area transportation network environment, including industrial Ethernet, security, monitoring, and virtualization. You will work with agencies, contractors, and internal teams to maintain reliability across critical infrastructure.

Qualifications include 4+ years in production networking, strong Layer 2/3 skills, Windows Server/AD, and automation awareness.