Senior Network Engineer – Enterprise Wi‑Fi & LAN (Hybrid)

Irvine Technology Corporation; Seattle (WA); Hybrid; USD 92,000 - 120,000; Full time

Job summary

Irvine Technology Corporation (ITC) is seeking a Senior Network Engineer to support enterprise wired and wireless networks for a higher education client in Seattle. This hybrid role focuses on performance, reliability, security, and continuous improvement of large-scale Wi-Fi and LAN environments, leveraging Juniper Mist, Juniper switching and routing, and Cisco technologies.

You will troubleshoot complex connectivity issues, manage network services such as RADIUS, DNS, DHCP, IPAM, and

Qualifications

• Bachelor’s degree in IT or related field, or equivalent experience.
• 4+ years supporting enterprise Wi-Fi environments with 200+ access points.
• 2+ years supporting LAN environments with 100+ managed switches including troubleshooting, software upgrades, and hardware support.
• Certifications: Juniper JNCIS-MistAI-Wireless, JNCIS-MistAI-Wired, JNCIS-ENT, Cisco CCNA.

Responsibilities

• Own the performance, reliability, and continuous improvement of enterprise Wi‑Fi across two campuses, supporting 1,700+ access points, guest networks, Mist Edge controllers, and diverse client devices.
• Administer and enhance wired network infrastructure, including Juniper and Cisco switching environments.
• Diagnose and resolve complex wired and wireless connectivity issues across a wide range of devices.
• Communicate clearly with end users and stakeholders throughout the troubleshooting lifecycle, setting expectations and providing timely updates.
• Manage critical network services including RADIUS authentication, DNS, DHCP, and IP address management (IPAM).
• Maintain and optimize network monitoring, alerting, and configuration management.
• Plan and execute network upgrades, patching, and lifecycle maintenance to ensure security and high availability.
• Participate in scheduled maintenance windows and respond to critical after-hours incidents as needed.
• Partner with internal teams to identify root causes, improve network performance, and enhance user experience.
• Contribute to documentation, process improvements, and operational best practices.

Skills

Enterprise Wi-Fi

LAN administration

Troubleshooting

Network monitoring

Documentation

Education

Bachelor's degree in IT or related field

Tools

Juniper Mist

Juniper EX switches

Cisco IOS switching

SolarWinds NPM

SolarWinds NCM

EfficientIP SolidServer

VLANs

OSPF

JunOS MX204

Palo Alto Firewalls

AWS Route 53

Job description

Irvine Technology Corporation (ITC) is seeking a Senior Network Engineer to support enterprise wired and wireless networks for a higher education client in Seattle. This hybrid role focuses on performance, reliability, security, and continuous improvement of large-scale Wi-Fi and LAN environments, leveraging Juniper Mist, Juniper switching and routing, and Cisco technologies.

You will troubleshoot complex connectivity issues, manage network services such as RADIUS, DNS, DHCP, IPAM, and