Principal Network Engineer

Principal Network Engineer | London | Hybrid

Up to £90,000 basic + bonus & benefits

This is an exciting opportunity to work with an established Internet Service Provider (ISP) that is investing heavily in the evolution of its network infrastructure and is looking to appoint a Principal Network Engineer to join a highly skilled team.

This is a genuine principal-level role, offering the opportunity to shape the future direction of large-scale, carrier-grade network platforms and influence technical strategy across the business.

Why this opportunity stands out:

• Principal-level ownership and technical authority
• Design and evolution of high-performance core networks
• Influence architecture, standards and long-term roadmap
• Work alongside an exceptionally strong engineering team
• Opportunity to mentor and guide senior engineers
• Highly technical environment with real engineering challenges
• Significant investment in network modernisation and automation
• Hybrid working model with London-based collaboration

What you will bring:

• BGP expertise
• MPLS/L2VPN/L3VPN
• OSPF/IS-IS
• Carrier-grade routing and switching
• Core network architecture
• Peering and transit
• Cisco expertise (CCIE level is highly desirable)

This is an excellent opportunity for someone who enjoys solving complex problems, influencing strategy, and remaining close to the technology in a true principal engineering capacity.

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