Senior Systems Engineer (Network Technologies Specialist)

About the role

We are seeking a Senior Systems Engineer with a focus on network technologies to design, deliver and maintain high‑quality LAN/WAN solutions. You will work closely with business stakeholders to drive complex projects while ensuring operational excellence through incident resolution and continuous improvement.

Key responsibilities

• Design, implement and support LAN, WAN, VPN, firewall and routing architectures.
• Produce high‑level and detailed design documentation for network projects.
• Collaborate with cross‑functional teams to integrate cloud networking (Azure VNets, VPN gateways, load balancers).
• Provide advanced troubleshooting for complex network issues and lead incident resolution.
• Maintain network security standards, including IDS/IPS, NAC, SSL/TLS and Zero Trust models.

Required profile

• Minimum five years of experience in enterprise network engineering.
• Proven ability to work in large, diverse environments with Microsoft server and cloud technologies.
• Strong analytical mindset and proactive ownership of tasks.
• Excellent written and verbal communication for clear documentation.

Required skills

• LAN/WAN design and implementation
• VPN, firewall and routing (BGP, OSPF, EIGRP, MPLS)
• Switching, wireless infrastructure, TCP/IP, DNS, DHCP
• Azure Virtual Networks, VPN gateways, load balancers
• IDS/IPS, NAC, SSL/TLS, Zero Trust security
• Microsoft Server and Cloud technologies
• Fortinet, SonicWall, Meraki networking solutions

What we offer

• Competitive salary £45,000‑£55,000 per year
• Company profit share and generous holiday package (22 days + bank holidays)
• Hybrid working model
• Private medical insurance, pension scheme and ongoing training
• Career progression within a supportive IT environment