Network Engineer

Company: Fuse Energy Supply
Apply for the Network Engineer
Location: London
Job Description:

Overview

In this Network Engineer role, you will own and enhance Fuse’s networks, infrastructure, and workplace tech to keep critical systems running at speed. You’ll operate with autonomy across offices, solving end-to-end network and hardware issues and supporting secure, scalable environments. You will partner with Engineering and Security to improve segmentation, access control, and incident response. This is an opportunity to shape reliable, modern IT foundations for a fast-growing energy company.

Pay / Benefits

  • Competitive salary
  • Biannual bonus scheme
  • Fully expensed tech to match your needs
  • Private health insurance
  • Breakfast and dinner allowance for office-based employees

Responsibilities

  • Provide advanced 2nd/3rd-line IT and infrastructure support across offices
  • Troubleshoot end-to-end across networks, Wi-Fi, firewalls, laptops, AV, printers and internal systems
  • Design, administer, secure and improve LAN/WAN, Wi-Fi, VPN, firewall and internet connectivity (Cisco and FortiGate)
  • Own office hardware, workplace technology and on-site infrastructure
  • Improve onboarding/offboarding, device management, identity and access management
  • Collaborate with Engineering and Security on network segmentation, firewall policy, remote access and security hygiene
  • Build monitoring, alerting and documentation for business-critical systems

Key requirements

  • Strong hands-on troubleshooting across networks, Wi-Fi, firewalls, endpoints, hardware, workplace tech
  • Experience administering Cisco LAN/WAN and FortiGate firewalls
  • 2nd/3rd-line IT support and multi-site networks experience
  • Ability to own infrastructure end-to-end including connectivity, hardware, monitoring, vendors
  • Solid Linux and Windows administration fundamentals
  • Clear communication and calm, pragmatic incident support
  • Clear communication
  • Calm, pragmatic approach during incidents
  • Autonomy and problem-solving orientation
  • Cisco LAN/WAN administration
  • FortiGate firewall administration
  • Wi‑Fi networking

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Posted: October 25th, 2026