Senior T3 Network Engineer - Hybrid MSP, Cisco & Fortinet

Hamilton Barnes Associates Limited; West Yorkshire; Hybrid; GBP 41,000 - 50,000; Full time

Job summary

Hamilton Barnes Associates Limited is seeking a T3 Network Engineer for a well-established MSP, handling complex escalations across enterprise environments. The role focuses on connectivity and CPE, with no voice requirements, and involves hands-on Cisco, Fortinet, and Meraki/Juniper platforms.

Hybrid working pattern: 3 days per week in Solihull or Wakefield. You will act as senior technical authority, engage with senior stakeholders, and own difficult customer situations, ensuring high-quality

Qualifications

• Solid T3 network engineering background, MSP environment strongly preferred.
• Cisco routing and switching experience, CCNA level as a baseline (current cert not required).
• Hands-on Fortinet experience, FortiGate and FortiSD-WAN in a managed service environment.
• Strong customer-facing communication skills, you're confident, clear, and calm under pressure.
• Comfortable owning difficult situations with enterprise customers, this role requires resilience and professionalism.
• End-customer background considered for candidates with strong technical depth.

Responsibilities

• Own T3 escalations across a portfolio of high-value enterprise customers, connectivity and CPE focus, no voice.
• Support and manage Cisco routing, switching, and Firepower firewall environments.
• Support and manage Fortinet FortiGate and FortiSD-WAN deployments.
• Work across secondary technologies including Meraki and Juniper where required.
• Be the senior technical authority when things get complex, escalation stops with you.
• Communicate confidently and clearly with senior customer stakeholders under pressure.

Skills

T3 Network Engineering

Cisco routing

Fortinet FortiGate

FortiSD-WAN

Customer-facing communication

Enterprise environments

Tools

Meraki

Juniper

Job description

Hamilton Barnes Associates Limited is seeking a T3 Network Engineer for a well-established MSP, handling complex escalations across enterprise environments. The role focuses on connectivity and CPE, with no voice requirements, and involves hands-on Cisco, Fortinet, and Meraki/Juniper platforms.

Hybrid working pattern: 3 days per week in Solihull or Wakefield. You will act as senior technical authority, engage with senior stakeholders, and own difficult customer situations, ensuring high-quality