Network L3 Engineer

Job Description

The 3rd Line Network Engineer is a senior technical position responsible for providing advanced support across complex enterprise and ISPlevel network environments. The role involves resolving escalated incidents, performing detailed diagnostics, and ensuring the stability and performance of customer networks. 

You will support a wide range of technologies across routing, switching, wireless, firewalls, and SDWAN platforms. Customers include public sector bodies, education institutions, healthcare organisations, and commercial environments with mission critical systems where reliability, accuracy, and professionalism are essential. 

You will own connectivity issues across the entire network stack, from core ISP backbone and WAN circuits right through to customer edge routers, firewalls, LAN switching, wireless networks, and any related on‑site infrastructure. 

Qualifications

• Experience working in large-scale, high importance network environments including public sector, healthcare, education, and critical commercial operations. 

• Excellent verbal and written communication skills. 

• Strong analytical capability and problem solving skills. 

• Ability to work under pressure and handle multiple complex cases concurrently. 

• High attention to detail and strong documentation discipline. 

• Experience using ITSM/ticketing platforms (ServiceNow an advantage). 

• A willingness to learn, adapt, and develop professionally. 

• A collaborative approach and desire to support the wider technical team. 

Additional Information

Here’s a closer look at what we offer:

• Office-Based Working: A collaborative approach with team support, requiring you to work in one of our offices. This role emphasises in-person teamwork and engagement at Wavenet.
• Annual Leave: Start your journey with 25 days of leave, increasing by one day each year up to 28 days—our way of expressing appreciation for your dedication.
• Health & Wellbeing: Your wellbeing is our priority. Benefit from private medical coverage, discounted health plans, virtual GP access, an eye care scheme, and a comprehensive employee assistance program, all facilitated by our Wellbeing Team.
• Wavenet Academy: We are excited to announce the launch of Wavenet Academy, our new user-friendly Learning Management System (LMS). This platform is designed to enhance learning, training, and personal development initiatives across our organisation.

Ready to join the UK’s largest managed service provider? Apply today or contact our friendly Talent Acquisition Team for more information.

We are committed to building a diverse and inclusive workforce. We welcome applicants from all backgrounds and experiences to apply and bring their unique perspectives to our team.