Layer 3 Network Engineer (Network Assurance Lead) – Telecommunications

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Are you looking for an exciting new opportunity?

Join a UK-based fibre network provider committed to making high-speed broadband accessible to everyone, both in cities and rural communities. Headquartered in the North West of England, the organisation focuses on delivering fast, reliable and affordable full-fibre connectivity designed to stand the test of time. Working in partnership with Internet Service Providers, the organisation plays a key role in optimising the UK’s fibre network, improving rollout speed, reducing costs, and enhancing the overall customer experience. Built on a collaborative culture, the company encourages its people, partners and suppliers to work together towards a shared purpose, valuing fresh ideas, inclusivity and making a meaningful impact through its work.

If you would like to learn more about this opportunity, feel free to reach out and apply today!

Responsibilities

  • Investigate complex end-to-end FTTP subscriber faults, including session drops, stale sessions, and re-authentication behaviour.
  • Analyse DHCP session establishment, Radius authentication flows, and lease failures.
  • Validate subscriber states using third-party BNG session tools and ensure VLAN tagging and access alignment.
  • Diagnose IP addressing, allocation issues, and MTU/fragmentation-related faults.
  • Perform WAN/LAN packet capture analysis and deep-dive into CPE routing, NAT, and firewall behaviour.
  • Validate ACS / TR-069 provisioning integrity and identify firmware-related behavioural faults.
  • Diagnose Wi-Fi performance issues, including RSSI, airtime utilization, and interference.
  • Identify gaps in processes, tooling, and documentation to implement improvements that increase operational efficiency.

Skills / Must have

  • Strong broadband fault diagnostic experience, with a heavy preference for FTTP.
  • Practical understanding of DHCP and Radius flows within an IPoE (DHCP-based) environment.
  • Solid IP networking fundamentals and the ability to interpret session data, logs, and diagnostic outputs.
  • Strong Wi-Fi troubleshooting knowledge and the ability to distinguish internal LAN issues from upstream faults.
  • Ability to produce clear, structured technical escalations and present complex information to diverse audiences.

Benefits

  • Direct reporting to the Head of Networks with ownership of major fault escalations.
  • Proactively build and maintain a technical knowledge base for the entire team.
  • Work in a positive, evidence-driven team focused on operational excellence.

Desirable Certifications

  • Support for candidates with CCNA-level knowledge or those looking to utilize ACS / TR-069 expertise.

Salary

  • £45,000 Per Annum

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Company: Hamilton Barnes Associates Limited
Apply for the Layer 3 Network Engineer (Network Assurance Lead) – Telecommunications
Location: Greater Manchester
Job Description:

Are you looking for an exciting new opportunity?

Join a UK-based fibre network provider committed to making high-speed broadband accessible to everyone, both in cities and rural communities. Headquartered in the North West of England, the organisation focuses on delivering fast, reliable and affordable full-fibre connectivity designed to stand the test of time. Working in partnership with Internet Service Providers, the organisation plays a key role in optimising the UK’s fibre network, improving rollout speed, reducing costs, and enhancing the overall customer experience. Built on a collaborative culture, the company encourages its people, partners and suppliers to work together towards a shared purpose, valuing fresh ideas, inclusivity and making a meaningful impact through its work.

If you would like to learn more about this opportunity, feel free to reach out and apply today!

Responsibilities

  • Investigate complex end-to-end FTTP subscriber faults, including session drops, stale sessions, and re-authentication behaviour.
  • Analyse DHCP session establishment, Radius authentication flows, and lease failures.
  • Validate subscriber states using third-party BNG session tools and ensure VLAN tagging and access alignment.
  • Diagnose IP addressing, allocation issues, and MTU/fragmentation-related faults.
  • Perform WAN/LAN packet capture analysis and deep-dive into CPE routing, NAT, and firewall behaviour.
  • Validate ACS / TR-069 provisioning integrity and identify firmware-related behavioural faults.
  • Diagnose Wi-Fi performance issues, including RSSI, airtime utilization, and interference.
  • Identify gaps in processes, tooling, and documentation to implement improvements that increase operational efficiency.

Skills / Must have

  • Strong broadband fault diagnostic experience, with a heavy preference for FTTP.
  • Practical understanding of DHCP and Radius flows within an IPoE (DHCP-based) environment.
  • Solid IP networking fundamentals and the ability to interpret session data, logs, and diagnostic outputs.
  • Strong Wi-Fi troubleshooting knowledge and the ability to distinguish internal LAN issues from upstream faults.
  • Ability to produce clear, structured technical escalations and present complex information to diverse audiences.

Benefits

  • Direct reporting to the Head of Networks with ownership of major fault escalations.
  • Proactively build and maintain a technical knowledge base for the entire team.
  • Work in a positive, evidence-driven team focused on operational excellence.

Desirable Certifications

  • Support for candidates with CCNA-level knowledge or those looking to utilize ACS / TR-069 expertise.

Salary

  • £45,000 Per Annum

#J-18808-Ljbffr…

Posted: April 17th, 2026