Senior Network Engineer

System C; Royal Leamington Spa; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A health technology company in Royal Leamington Spa is seeking a network engineer to design and operate modern network services across data centres and Azure. The successful candidate will lead network changes, troubleshoot incidents, and enhance security. Key qualifications include expertise in Fortinet, F5 BIG-IP, and Azure networking, along with certifications like CCNP. A hybrid working model is offered with flexible benefits and a supportive culture.

Benefits

Private healthcare

Enhanced pension options

Learning pathways

Quarterly Values Awards

Qualifications

• Experience with IPsec/SSL VPNs and load-balancing patterns.
• Knowledge of Zscaler is a plus.
• Strong observability skills.

Responsibilities

• Own end-to-end network change across various technologies.
• Engineer Azure networking solutions.
• Harden configurations for security compliance.
• Troubleshoot performance and availability issues.
• Mentor engineers and create clear documentation.
• Participate in a 24/7 on-call rota.

Skills

Advanced BGP/OSPF

Fortinet (policy/NAT)

F5 BIG-IP (LTM/ASM)

Azure networking

Scripting/automation (PowerShell/Python/Ansible)

Education

CCNP (or equivalent)

AZ-700 / Fortinet NSE / F5 certifications

Job description

Description

Join System C and help connect and transform health and care through secure, resilient networks that millions rely on every day. You'll design, implement and operate modern network services across our data centres and Azure, acting as the subject-matter expert for Fortinet firewalls, F5 BIG-IP and Cisco routing/switching. You'll lead complex change, solve major incidents, and raise the bar on reliability and security.

What you'll do

• Own end-to-end network change across routing/switching, firewalls, VPN and load balancing
• Engineer Azure networking (vNet/vWAN, VNets, UDRs, private endpoints, ExpressRoute)
• Harden configurations and drive segmentation and security policy compliance
• Troubleshoot performance and availability (L2-L7) using captures, logs and metrics
• Create clear documentation, runbooks and diagrams; mentor engineers and associates
• Participate in a 24/7 on-call rota and drive problem management improvements

What you'll bring

• Advanced BGP/OSPF, VRF / HA pairs/clusters; IPsec/SSL VPNs
• Fortinet (policy/NAT), F5 BIG-IP (LTM/ASM), Cisco IOS/NX-OS
• Azure networking, ExpressRoute, DNS and load-balancing patterns
• Scripting/automation (PowerShell/Python/Ansible) and strong observability skills
• Zscaler knowledge a plus
• CCNP (or equivalent), with AZ-700 / Fortinet NSE / F5 certifications desirable

Why System C?

We're one team who "own it", strive to always be better, and do the right thing. You'll find a friendly, supportive culture with real purpose, flexible benefits (from private healthcare to enhanced pension options), learning pathways, and recognition through our quarterly Values Awards.

Ways of working

Hybrid working, standard hours with out-of-hours change windows and on-call participation.

Ready to make an impact? Apply today.