Network Security Engineer

Senior Network Security Engineer

Up to £50,000 + Bonus | Hybrid (3 Days Office / 2 WFH) | Northampton

Are you a skilled Network Security Engineer looking to take the next step in your career?

Join a fast-growing Systems Integrator & Managed Service Provider that delivers cutting-edge solutions to clients across finance, public sector, legal, and nationwide retail.

This is your chance to be part of a high-performing technical team where you’ll work across diverse environments, tackle complex networking challenges, and play a key role in strengthening customers’ security posture.

Why You’ll Love This Role

✔ Work on 3rd-line network & security support across enterprise-scale environments

✔ Exposure to next-generation firewalling, large-scale routing/switching, cloud networking & automation

✔ Real career progression into specialist or consultancy paths

✔ Join a team experiencing significant investment and growth

What You’ll Be Doing

• Providing 3rd-line network & security support, acting as an escalation point for challenging issues
• Delivering both BAU support and project work across customer sites and internal operations
• Proactively monitoring and maintaining managed systems
• Owning and resolving complex technical problems using tools such as Wireshark, NetFlow analysis, and monitoring platforms
• Managing patching, feature updates, change controls, and documentation
• Mentoring service desk engineers to uplift overall capability

Your Network & Security Expertise

We’re looking for someone with strong experience in an MSP or enterprise IT environment, with deep knowledge across:

Networking

• Layer 2 & 3 routing and switching
• OSPF & BGP – essential
• VXLAN & Cisco ACI
• Dual stack IPv4/IPv6
• Wireless: Aruba, Cisco Meraki
• Azure & AWS networking
• VMware / Hyper-V environments

Security

• FortiGate firewalls with full UTM stack (Web Filtering, Application Control, IPS/IDS, SD-WAN)
• FortiManager & FortiAnalyzer
• SIEM technologies (Darktrace, Reveal(x))
• Infrastructure monitoring (PRTG preferred)

Automation & Tooling

• Python / PowerShell scripting
• Terraform for automation
• ITSM processes aligned to ITIL framework

Certifications (Desirable but not essential)

• Cisco CCNP (minimum level of knowledge expected)
• Fortinet / Aruba / PRTG vendor certifications
• ITIL Foundation

What’s On Offer

• Up to £50,000 base salary
• Annual performance bonus
• Hybrid working (3 days on-site, 2 days WFH)
• Pension, death-in-service, onsite parking
• Superb office environment with staff perks, snacks & social events

Ready to Level Up Your Network Security Career?

If you’re passionate about advanced networking, security technologies, and working in a fast-paced MSP environment, we want to hear from you.

Apply now and join a team where your expertise truly makes an impact.