Job title: Network Engineer

Client: Elite FinTech

Salary: £120,000-£200,000 + Bonus

Location: London

Skills: Switching, Routing, Firewalls, Multicast, Low Latency, Python, Ansible, Linux

The role:

My client are looking for a Senior Network Engineer, comfortable working in a dynamic low latency environment.

You will have experience ideally with Multicast technologies, and be able to participate in network automation via technologies such as Python and Ansible.

Key Responsibilities:

• Architect and implement highly available network infrastructure across LAN, WAN, data center, and cloud environments
• Translate complex business and technical requirements into resilient and scalable network designs
• Lead end-to-end project delivery, including planning, execution, and vendor coordination
• Evaluate emerging technologies to enhance performance, security, and operational efficiency
• Provide escalation support (L3) for critical incidents affecting network performance or availability
• Contribute to automation and monitoring initiatives, continuously improving network observability and reliability
• Produce high-quality documentation and network diagrams to support operational transparency and future development

Required Experience:

• Enterprise network engineering experience, ideally within high-performance or latency-sensitive environments
• Expertise in core routing and switching protocols: OSPF, BGP, EVPN, STP, MLAG/vPC, VLAN/VxLAN
• Proficiency in multicast technologies: PIM, IGMP, MSDP, SSM
• Strong familiarity with Cisco and Arista platforms
• Proven experience with data center and office network buildouts
• Deep understanding of network security concepts: AAA, control planes, device hardening
• Cloud networking experience (AWS, Azure, or GCP)
• Strong scripting and automation capabilities (Python, Ansible)
• Familiarity with observability and orchestration tools (Prometheus, Elastic Stack, Grafana)
• CCIE preferred