Senior Network Engineer - Juniper Mist

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

Job summary

Irvine Technology Corporation seeks an experienced Senior Network Engineer to support and enhance enterprise wired and wireless infrastructure for a large higher-education client. You will focus on performance, reliability, security, and continuous improvement of Wi-Fi and LAN environments using Juniper Mist, Juniper switching, and Cisco technologies.

The role requires strong troubleshooting, network administration, and expert knowledge of core network services, with a proactive,

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, incl. troubleshooting and upgrades.
• Strong experience with Juniper Mist wireless and switching.
• Familiarity with AWS Route 53.
• Relevant certifications: Juniper JNCIS-MistAI series, Cisco CCNA.

Responsibilities

• Own performance, reliability, and continuous improvement of enterprise Wi‑Fi services across two campuses (1,700+ APs).
• Administer and enhance wired network infrastructure (Juniper and Cisco).
• Diagnose and resolve complex wired/wireless connectivity issues across diverse devices.
• Communicate clearly with end users and stakeholders throughout troubleshooting lifecycles.

Skills

Troubleshooting

Network administration

Communication

Education

Bachelor’s degree in IT or related field

Equivalent experience

Tools

Juniper Mist

Juniper EX switches

Cisco IOS switching

VLANs

DNS

DHCP

IPAM

SNMP

OSP F

JunOS

MX204 routers

Cisco Catalyst switches

SolarWinds NPM

SolarWinds NCM

EfficientIP SolidServer

Jira

AWS Route 53

Job description

We are seeking an experienced Senior Network Engineer to join a higher education client where you will support and enhance enterprise wired and wireless network infrastructure. This role will focus on the performance, reliability, security, and continuous improvement of large-scale Wi-Fi and LAN environments, leveraging Juniper Mist, Juniper switching and routing, and Cisco technologies. The ideal candidate brings strong experience in Mist, strong troubleshooting and network administration skills, expertise in core network services, and a proactive, customer-focused approach to resolving complex connectivity issues, maintaining high availability, and improving the end-user experience.

• Job Type: Full-time, Direct Hire
• Location: Seattle, WA (Hybrid - will start off as 4 days on-site for the first few months then drop down to 1 day on-site)
• Compensation: This job expects to pay about $92,000 - $120,000 per year plus benefits
• No Visa Sponsorship Available for this role

What You’ll Do:

• Own the performance, reliability, and continuous improvement of enterprise Wi-Fi services 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.
• Perform certificate management and updates across multi-vendor network platforms.
• 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.

What Gets You the Job:

• 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.
• Demonstrated experience with:
• Juniper Mist wireless and switching
• Juniper EX (4000/4400/4650) switches and Virtual Chassis
• Cisco IOS switching
• VLANs, STP, PoE, and link aggregation
• IPv4, DNS, DHCP, SNMP
• OSPF
• JunOS and MX204 routers
• Cisco Catalyst switches 3850, 4510, 4500-X
• SolarWinds Network Performance Monitor (NPM) and Network Configuration Manager (NCM) EfficientIP SolidServer (DDI)
• Jira or similar ticketing systems
• Relevant certifications: Juniper JNCIS-MistAI-Wireless, JNCIS-MistAI-Wired, JNCIS-ENT, Cisco CCNA
• Familiarity with AWS Route 53
• Preferred Experience with:
• Experience designing and supporting networks in higher education environments.
• Advanced experience with Juniper Mist at scale (~8,000+ daily connections).
• Experience maintaining a guest Wi‑Fi portal in Mist
• Familiarity with Palo Alto firewalls and Panorama
• Demonstrated understanding of IPv4 subnetting (/20-/24). IPv6 knowledge a plus.

Irvine Technology Corporation provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Irvine Technology Corporation complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities.