Principal Network Engineer - Multicast

JR United Kingdom; London; Hybrid; GBP 110,000 - 130,000; Full time

Job summary

Join a leading global financial markets infrastructure company as a Principal Network Engineer. This hybrid role offers the chance to work on low-latency, high-performance networks that support key financial institutions. With a legacy spanning over 300 years, this organization is at the forefront of innovation in global financial stability. You will leverage your deep expertise in routing, switching, and multicast protocols while collaborating with a talented team in a dynamic environment. If you're passionate about network engineering and want to make an impact in the financial sector, this opportunity is perfect for you.

Qualifications

• Deep expertise in routing and switching with Cisco and Juniper.
• Strong understanding of multicast protocols IGMP and PIM.

Responsibilities

• Build and maintain low-latency, high-performance networks.
• Support global financial institutions with critical engineering functions.

Skills

Routing and Switching

Multicast (IGMP, PIM, RP)

LAN/WAN (BGP, OSPF, MPLS)

VPN, GRE, NAT

SDN, Cisco ACI, VxLAN

Automation Tools (Python, Ansible)

Low-latency Networks

Job description

Job Title: Principal Network Engineer - Multicast, London (City of London)

Client:

Harrington Starr

Location:

London (City of London), United Kingdom

Job Category:

Other

EU Work Permit Required:

Yes

Job Views:

3

Posted:

02.05.2025

Expiry Date:

16.06.2025

Job Description:

Network Multicast Engineer – Up to £110,000 + Bonus (On Target 20%)

Hybrid – 3 Days per Week in London Office

A leading global financial markets infrastructure and data business is looking for a highly skilled Network Engineer to join their team. With operations in over 70 countries and a 300-year legacy, this organisation plays a key role in supporting global financial stability and innovation.

This role is within a critical engineering function focused on building and maintaining low-latency, high-performance networks used by some of the world’s most important financial institutions.

What They’re Looking For:

• Deep expertise in routing and switching – Cisco, Juniper, Arista
• Strong understanding of multicast – IGMP, PIM, RP
• Experience with LAN, WAN, BGP, OSPF, MPLS, VPN, GRE, NAT
• Familiarity with SDN, Cisco ACI, VxLAN, and data centre networking
• Knowledge of automation tools – Python, Ansible
• Exposure to low-latency networks in high-performance environments
• Comfortable working 3 days per week onsite in a central London office

This is a fantastic opportunity to join a company at the heart of global financial infrastructure, working on complex systems that genuinely impact the wider economy.

If this sounds like you or someone in your network, feel free to reach out to [emailprotected] for more info.