Network Engineer (Service Provider WAN)
LocationLondon
Typefull-time
SenioritySenior
DepartmentTechnology-Infrastructure
Company size501–1,000 people
PostedJan 20, 2026 · 8mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Strong operational experience with MPLS environments
Deep knowledge of BGP (including EVPN, VPNv4, IPv4)
Deep knowledge of MPLS forwarding and label distribution
Deep knowledge of Multicast and MVPN
Proficiency with at least one major routing platform (e.g., Arista, Cisco)
Proven ability to troubleshoot complex MPLS, routing, and forwarding behaviour
Strong understanding of TCP/IP networking, QoS, routing protocols, and traffic engineering concepts
Experience working in environments with strict availability and reliability requirements
Network automation (e.g., Python)
Model-driven networking
CI/CD concepts applied to network configuration
Telemetry and streaming-based monitoring approaches
Skills
Python
BGP
EVPN
VPNv4
MPLS
Multicast
MVPN
Arista
Cisco
TCP/IP
QoS
About the company
Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables us to solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high-quality returns for our investors.
About the role
You will join the Network Engineering function responsible for the design, reliability, and optimisation of QRT’s wide-area network. The team supports large-scale routing infrastructure and collaborates closely with stakeholders across operations, systems engineering, and automation to ensure robust connectivity for global research and trading activities.
Your Future Role within QRT
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Operate, troubleshoot, and enhance large-scale WAN environments to ensure availability and performance.
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Design, implement, and support MPLS-based solutions
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Configure and maintain routing services across multiple BGP address families.
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Design, implement, and troubleshoot multicast services using technologies such as MVPN.
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Analyse and validate MPLS label operations and end-to-end forwarding behaviour.
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Support TCP/IP-based services and traffic flows across a multi-site network footprint.
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Produce and maintain accurate technical documentation, including design artefacts and operational procedures.
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Collaborate with engineering and operations stakeholders to progress projects and BAU activities.
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Act as an escalation point for complex network issues requiring deep technical investigation.
Your Present Skillset
•
Strong operational experience with MPLS environments.
•
Deep knowledge of:
•
BGP (including EVPN, VPNv4, IPv4)
•
MPLS forwarding and label distribution
•
Multicast and MVPN
•
Proficiency with at least one major routing platform (e.g., Arista, Cisco).
•
Proven ability to troubleshoot complex MPLS, routing, and forwarding behaviour.
•
Strong understanding of TCP/IP networking, QoS, routing protocols, and traffic engineering concepts.
•
Experience working in environments with strict availability and reliability requirements.
•
Useful additional experience includes:
•
Network automation (e.g., Python)
•
Model-driven networking
•
CI/CD concepts applied to network configuration
•
Telemetry and streaming-based monitoring approaches
Legal
QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we are offering initiatives and programs to enable employees achieve a healthy work-life balance.