Network Engineer

Salary: £60,000 - 90,000 per year

Requirements:

• Deep hands-on experience designing, implementing, and troubleshooting complex BGP topologies, including route manipulation, path selection, multi-homing, peering, and VRFs
• Demonstrated ability to design and implement highly resilient and scalable Layer 3 network architectures, including spine-and-leaf topologies, for low-latency and high-throughput environments such as trading platforms
• Hands-on experience configuring, operating, and troubleshooting Arista switches and routers, including Arista EOS
• Strong practical experience applying the Principle of Least Privilege and Zero Trust to network device access, network segmentation, and firewall rule creation in a regulated financial environment
• Ability to perform deep-dive packet-level analysis and root cause analysis on complex, multi-protocol network issues across LAN, WAN, and data centre environments
• Practical experience with Infrastructure as Code tools such as Terraform or Ansible for network configuration management, provisioning, and automated deployments
• Proficiency in scripting, preferably Python, for network automation, API interaction, data manipulation, and custom tooling development

Responsibilities:

• Work directly with the Lead Network Architect to review high-level designs, provide technical feasibility assessments, and translate the architecture into detailed low-level designs and implementation plans
• Lead the deployment and configuration of core network infrastructure projects focused on scalability and high availability, including new exchange and trading venue connectivity via data centre cross-connects
• Administer and maintain the enterprise security posture using Fortinet devices, ensuring policy enforcement aligns with security principles such as the Principle of Least Privilege
• Provide 3rd-line escalation support for critical network incidents
• Develop and enforce network standards, policies, and operational procedures, ensuring adherence to internal risk controls and external regulatory requirements
• Onboard and set up new connectivity with trading partners and venues

Technologies:

• AI
• API
• Ansible
• Architect
• Firewall
• Support
• LAN
• Machine Learning
• Network
• Python
• Security
• Terraform

More:

We are a leading European private bank with over 430 years of experience and a deep-rooted history, while continuing to invest heavily in our future. Our Innovation & Technology department in London is focused on shaping a technology-driven bank, supporting both legacy systems and modern technologies such as AI, machine learning, and highly automated trading applications. We offer a permanent role with a private pension plan, 30 days holiday, private health insurance, life insurance, flexible working hours, enhanced parental leave, and an Employee Assistance Programme. We value in-office collaboration, independent thinking, entrepreneurial action, and a culture built on trust, innovation, and diversity.

last updated 34 week of 2026