Networking Specialist

JR United Kingdom; Slough; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

A globally recognized financial institution is seeking a Core Networking Specialist to design and optimize network infrastructure for real-time trading and analytics. The ideal candidate will have extensive experience in enterprise networking, with a strong emphasis on performance and resilience in financial settings. You’ll work on critical infrastructure alongside expert teams, driving innovation while contributing to high-stakes projects that are central to the company's operations.

Benefits

Technical autonomy

Career investment opportunities

Collaborative work environment

Qualifications

• 7+ years’ network engineering experience in enterprise or financial environments.
• Hands-on experience with Arista/Cisco and troubleshooting tools.
• Excellent communicator in high-stakes, collaborative settings.

Responsibilities

• Design and implement scalable, high-availability network solutions.
• Lead network delivery projects and coordinate with vendors.
• Drive automation and evaluate emerging technologies.

Skills

Network engineering

BGP

OSPF

EVPN

VLAN/VxLAN

MLAG

STP

Troubleshooting tools

Network security

Automation (Python, Ansible)

Observability stacks (Prometheus, Grafana)

Communication

Education

STEM degree

CCNP/CCIE

Tools

Arista

Cisco

Wireshark

Netcat

Job description

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Location: London (Hybrid Working Available)

Industry: Global Financial Services / Institutional Asset Management

Clearance: Right to work in the UK required

A globally recognised financial institution is hiring a Core Networking Specialist to join its high-performance infrastructure team. This firm plays a critical role in global markets, offering integrated investment services to institutional clients and managing trillions in assets. Known for its pioneering work in ETFs and commitment to data-driven innovation, it operates across 28+ countries and places strong emphasis on operational excellence and collaboration.

You’ll design and optimise network infrastructure supporting real-time trading, analytics, and global operations. This role covers enterprise networking across data centres, campuses, and cloud environments - balancing performance, scale, and resilience in demanding financial settings.

Key Responsibilities

• Design and implement scalable, high-availability network solutions (LAN, WAN, Campus, Cloud).
• Translate requirements into robust, well-documented architectures.
• Lead network delivery projects; coordinate with vendors and internal teams.
• Provide L3 escalation and proactively improve network performance.
• Drive automation and evaluate emerging technologies for impact and efficiency.

What We’re Looking For

• 7+ years’ network engineering experience in enterprise or financial environments.
• Deep understanding of BGP, OSPF, EVPN, VLAN/VxLAN, MLAG, STP.
• Hands-on with Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.).
• Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana).
• Excellent communicator with experience delivering in high-stakes, collaborative settings.
• STEM degree and CCNP/CCIE preferred.

Why Join?

Join a trusted global institution where networking is core to performance. You’ll work on critical infrastructure supporting real-time financial systems and collaborate with expert teams across the globe. Expect meaningful projects, technical autonomy, and long-term career investment.

To Apply

If you're driven by precision, resilience, and innovation in infrastructure, we’d love to hear from you. UK work authorisation is required.

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Created on 26/06/2025 by JR United Kingdom