[Please reach out to Stuart Thorley for Comp Package & Flexible Working information]

Are you a network engineer who thrives in fast-paced, technical environments - and loves solving real-world challenges through automation? Join a small, collaborative platform team at one of the world’s top quant trading firms, shaping the infrastructure behind complex multi-asset execution systems. With a strong focus on automation, observability, and innovation, this role blends deep engineering with a DevNet mindset. From “Out of Bounds” environments to modernising data centre connectivity, you’ll take ownership from day one - backed by a team that values curiosity and autonomy...

Key Responsibilities:

• Design and implement network systems, including firewall configurations, VPNs, and other network hardware
• Contribute innovative ideas during discussions on potential problems, solutions, and projects
• Provide support for network infrastructure and the automation framework
• Use scripting and automation tools to streamline network management and deployment processes
• Develop and implement network automation strategies to enhance efficiency
• Collaborate with development and operations teams to ensure network solutions meet requirements and adhere to best practices
• Enhance monitoring systems to identify and anticipate failures, improving network stability and availability
• Oversee the entire network infrastructure, from data centre cabling to network architecture design
• Focus on projects 75% of the time, with 25% dedicated to support, including on-call duties 

What You Bring...

• Experience with firewall technologies such as Fortigate, FortiManager, SDWAN, VPN (site to site), and ZTNA
• Proficiency in Linux operating systems
• Expertise in routing and switching at CCNP/CCIE level (Cisco preferred, Arista is a plus)
• Knowledge of multicast (IGMP/PIM), BGP inet/cross-connect peerings, traffic manipulation, MP BGP (Route leaking/VRF lite), and Arista Validated Designs (AVD)
• Experience with data centre switching technologies and overlay routing (VXLAN)
• Familiarity with cloud networking technologies (AWS/Azure)
• Automation experience and proficiency with Bash tools (wget, curl, jq), Bash scripting, Python/Go, and Devnet/Automation
• Broad understanding of networking to handle various network-related issues
• (Preferred) Expertise in firewalls and routing and switching, with a focus on Arista

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