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# Network Cisco Specialist - 3rd Line

- **Company:** 83zero Ltd
- **Location:** London, UK
- **Salary:** £80,000.0 - £90,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Enhanced Interior Gateway Routing Protocol, Trunking, Firmware, Hot Standby Router Protocol, Python (Programming Language), Packet Analyzer, Open Shortest Path First (OSPF), Ansible, Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, Wireless Networks, Identity Services Engine, Computer Network Technologies, Palo Alto Networks, Fortinet, Firepower, Cisco
- **Published:** June 18, 2026
- **Apply:** https://find.jobs/jobs-near-me/network-cisco-specialist-3rd-line-london/2821504802-2/

## About the Role

* Cisco ISE
 * Cisco DNA Center
 * Cisco Wireless

Experience with NGFW technologies (Cisco Firepower, Palo Alto, FortiGate).

CCNP-level networking knowledge.

Strong understanding of:

 * BGP, OSPF, EIGRP
 * VLANs, STP, Trunking
 * HSRP, VRRP, BFD

Packet capture and troubleshooting expertise.

Excellent communication and customer-facing skills.

Desirable

 * Cisco CCNP Enterprise certification.
 * Cisco Umbrella and SD-WAN experience.
 * HPE Aruba exposure.
 * Automation experience with Ansible and/or Python.
 * Azure and AWS knowledge.
 * MSP experience.

## Description

This role will see you taking ownership of complex incidents and changes, acting as a senior escalation point, supporting major projects, and serving as a technical SME across key Cisco technologies., * Own complex faults and changes through to resolution.

 * Escalation point for 2nd Line engineers.
 * Support customer and vendor engagements.
 * Perform root cause analysis and problem management.
 * Deliver network and security projects.
 * Manage firmware upgrades, documentation, and DR testing.
 * Mentor colleagues and contribute to technical development.
 * Participate in an out-of-hours on-call rota.


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