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