3rd Line Network Support Engineer - Systems Integrator

Ready to take the next step in your career?

Join a growing managed service provider supporting a strong SMB customer base with reliable IT and network solutions. The organisation offers a collaborative environment with opportunities to provide technical leadership, support team development, and contribute to ongoing project delivery.

This opportunity is ideal for a Senior Network Engineer looking to become a key escalation point within an MSP environment. The role involves supporting 2nd line engineers, working across Cisco networking and Fortinet security solutions, and contributing to both project work and day-to-day technical support while mentoring and developing the wider team.

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

Responsibilities:

• Act as senior escalation point for complex 3rd line network issues across the SMB customer base
• Mentor and develop 2nd line engineers, design reviews, knowledge sharing, and hands-on guidance
• Support and deliver network projects alongside the day-to-day support workload
• Configure and manage Cisco routers, switches, and firewalls (ASA & Firepower)
• Manage Fortinet firewall estate, FortiGate configuration, FortiManager, and security policy
• Work across routing protocols, BGP and OSPF in customer environments
• Support wireless environments, Meraki, Cisco, and Ubiquiti
• Produce and maintain high-quality documentation, network diagrams, troubleshooting guides, and work instructions
• Cisco Routing & Switching | Cisco ASA & Firepower | Meraki
• Fortinet FortiGate | FortiManager
• BGP / OSPF
• AAA / TACACS / RADIUS / 802.1X
• LibreNMS / Nagios | Ubiquiti Wireless

Skills/Must Have:

• CCNA level or above, current or expired, it still counts
• Fortinet NSE certification a strong bonus (NSE4+)
• Strong Cisco networking background, routing, switching, and firewall configuration
• Hands-on Fortinet experience, FortiGate and FortiManager in a managed service environment
• SMB MSP experience highly advantageous, you understand the pace and variety of that world
• Comfortable mentoring junior engineers, patient, knowledgeable, and willing to share
• Solid documentation skills, you leave things better than you found them
• Based within a reasonable commute of Hitchin, 2 days per week onsite

Location & Working Pattern:

• Hybrid: 2 days in Hitchin / 3 days from home
• 25 days annual leave + bank holidays

Benefits:

• Role created through promotion, join a settled team with a genuine senior gap to fill
• Real mentoring responsibility, make a difference to the engineers around you, not just the tickets
• Project involvement alongside support, variety built in, not bolted on
• SMB MSP environment, fast-paced, broad, and rarely boring
• Expired CCNA accepted, they're hiring for real-world experience, not a current piece of paper

Salary:

• £45,000 – £50,000 base salary depending on experience