Network Infrastructure Specialist

1 day ago


Portsmouth, Portsmouth, United Kingdom Spectrum IT Recruitment Full time

Salary: Up to £55,000

We are seeking an experienced Core Network Engineer to join our team and support the design, deployment, and management of our full-fibre broadband network across the South of England.

The successful candidate will be based in Portsmouth with travel to data centres and network sites as needed.

Key Responsibilities:
  • Configure and manage Layer 2 and 3 network elements (routers, switches, CGNAT, firewalls/VPNs, OLTs).
  • Monitor and troubleshoot network performance, resolving issues effectively.
  • Maintain network documentation and best practices.

Requirements:

  • 5+ years of network engineering experience in an ISP environment.
  • Deep knowledge of IPv4/IPv6, EVPN, MPLS, VXLAN, CGNAT, DHCP, DNS, and GPON networks.
  • Experience with FTTH platforms, particularly OLTs.
  • Strong troubleshooting and network performance skills.
  • Valid UK driving licence and the right to work in the UK.

Benefits:

  • Competitive salary and annual bonus.
  • 25 days of annual leave plus public holidays.
  • Private medical cover, critical illness, and life assurance.
  • Pension scheme.


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