Senior Tier 3 Network Engineer — Lead & Resolve Incidents

Wavenet; Cheswick Green; Presencial; GBP 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Private medical coverage

Annual leave 25–28 days

Eye care scheme

Wellbeing support

Office-based working

Descripción de la vacante

Wavenet, a UK-based technology and communications provider, is seeking a Tier 3 Network Engineer to act as a senior technical authority in Network Operations. You will support production networks and critical customer infrastructure, escalate complex incidents, and mentor Tier 1/2 teams, combining deep technical troubleshooting with customer-facing consultancy.

You will lead advanced diagnostics across LAN/WAN, SD-WAN, and firewall technologies, contribute to proactive monitoring, and drive

Formación

• CCNA current – Routing & Switching.
• Hands-on with multi-vendor network environments including Cisco, Meraki, Fortinet and Juniper.
• Advanced troubleshooting across LAN/WAN, xDSL, FTTC, SOGEA, Ethernet, L2TP, PPP.
• Solid understanding of SD-WAN technologies and network security principles.

Responsabilidades

• Act as the Tier 3 escalation point for complex network incidents, including Major Incident response.
• Perform deep-dive troubleshooting across LAN, WAN, SD-WAN, and firewall technologies.
• Lead service restoration efforts, balancing rapid resolution with root cause analysis.
• Mentor junior engineers and support capability development across the team.
• Drive knowledge sharing and promote engineering best practice.

Conocimientos

CCNA current

Multi-vendor networks

Cisco Catalyst/Nexus

Meraki & Fortinet

Juniper platforms

SD-WAN architectures

Network security basics

LAN/WAN troubleshooting

Descripción del empleo

Wavenet, a UK-based technology and communications provider, is seeking a Tier 3 Network Engineer to act as a senior technical authority in Network Operations. You will support production networks and critical customer infrastructure, escalate complex incidents, and mentor Tier 1/2 teams, combining deep technical troubleshooting with customer-facing consultancy.

You will lead advanced diagnostics across LAN/WAN, SD-WAN, and firewall technologies, contribute to proactive monitoring, and drive