Senior Network Specialist

Base: £90,000 base salary plus benefits, perks, healthcare options and 5% on call allowance

Location: Hybrid / Client Base in London

Salary: Competitive + Benefits

Type: Permanent

We're looking for an experienced Network Cisco Specialist (3rd Line) to join a high-performing Network Operations team, providing expert support across enterprise Cisco networking and security environments.

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.

Key Responsibilities

• 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 (1 in
  6)
• Strong experience with:
• Experience with NGFW technologies (Cisco Firepower, Palo Alto, Forti Gate).
• Strong understanding of:
• BGP, OSPF, EIGRP
• HSRP, VRRP, BFD
• Packet capture and troubleshooting expertise.
• Excellent communication and customer-facing skills.
• Cisco CCNP Enterprise certification.
• Automation experience with Ansible and/or Python.
• Azure and AWS knowledge.
• MSP experience.

This is an excellent opportunity to join a technically strong team working with cutting‑edge Cisco networking, security, and automation technologies while continuing to develop your expertise and career.