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RedRock Resourcing

3rd Line Network Engineer - London - New! (REFGJ38)

RedRock Resourcing
United Kingdom · Full-time · Mid-Senior

3rd Line Network Engineer - London - New! (REFGJ38)


A leading IT Managed Service provider in central London who provide solutions across Cloud, Connectivity, Cyber Security & Communications, are looking for an experienced 3rd Line Network Engineer to join them,.


You will come with strong L2/L3 Routing & Switching skills and hands-on expertise with Next-Gen Firewalls (Fortinet / Palo Alto).


You’ll handle complex escalations, deliver network changes, and support customer infrastructure across a diverse tech stack.


What you’ll do:

  • Own and resolve 3rd line support tickets
  • Design and implement network changes
  • Support project delivery and mentor 2nd line engineers
  • Document solutions and perform DR/failover testing


Key skills required:

  • Advanced L2/L3 networking (OSPF, BGP, EIGRP, RIP)
  • Fortinet and/or Palo Alto firewall configuration
  • Experience with Cisco, Meraki, Aruba, Juniper
  • Strong troubleshooting and packet analysis
  • CCNP or equivalent level knowledge
  • Familiarity with cloud (Azure/AWS) and network automation (Python/Ansible)


Paying well and offering hybrid working & career progression.


Please apply for full details!

Key Skills

Ranked by relevance

cloud cyber security firewalls palo alto firewall fortinet eigrp aruba ospf bgp
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Posted
Sep 22, 2025
Type
Full-time
Level
Mid-Senior
Location
London Area

Industries

IT Services IT Consulting IT System Training Support Information Services

Categories

Customer Service Information Technology Other

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