High-Frequency Network Engineer (Microwave) – London / Singapore

Oxford Knight; London; On-site; GBP 130,000 - 400,000; Full time

Job summary

A leading trading and investments firm, specialized in bridging traditional finance with digital assets, seeks a talented high-frequency network engineer in London. You will design and optimize network infrastructure while collaborating with various teams to enhance performance in a fast-paced financial setting. With a competitive salary range, you'll work with the brightest minds in an exciting industry.

Benefits

Competitive salary

Work with top professionals in the financial industry

Qualifications

• 1-7 years’ experience in high-frequency or low-latency networking.
• Expertise in microwave networking.
• Solid background in network protocols.

Responsibilities

• Design, implement, and optimize ultra-low-latency network infrastructure.
• Collaborate with traders and developers to improve network performance.
• Ensure compliance with telecom regulations.

Skills

High-frequency networking

Low-latency networking

Microwave networks

RF engineering

Link budget analysis

TCP

UDP

BGP

OSPF

Network performance tuning

Tools

Cisco

Arista

Juniper

Wireshark

tcpdump

Python

Bash

Ansible

Job description

Social network you want to login/join with:

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Client:

Oxford Knight

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

dd55dffc2b9a

Job Views:

4

Posted:

29.06.2025

Expiry Date:

13.08.2025

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Job Description:

Total Comp: 130-400k

Bridging the gap between traditional finance and the ever-evolving world of digital assets, this successful crypto trading and investments firm is looking to further expand with a talented engineer skilled in microwave network design.

As a high-frequency network engineer, your focus will be designing, implementing and optimizing ultra-low-latency network infrastructure for the HFT platform, including RF link planning, site selection, and propagation analysis. You’ll collaborate with traders, developers, and infrastructure teams to improve network performance, ensuring compliance with telecom regulations, spectrum usage policies and licencing requirements.

Requirements:

• 1-7 years’ experience in high-frequency or low-latency networking, with expertise in microwave networks
• In-depth knowledge of RF engineering, link budget analysis, antenna alignment
• Solid network protocols background: TCP, UDP, BGP, OSPF, multicast, PTP timing synchronization
• Network hardware skills – Cisco, Arista, Juniper – & low-latency networking techniques
• Hands-on experience with network performance tuning, latency measurement, & packet analysis, e.g. Wireshark, tcpdump, etc.
• Familiarity with Linux networking, automation (Python, Bash, Ansible), and network monitoring tools
• Experience with cloud networking for AWS and GCP
• Background in HFT or financial trading infrastructure
• Experience with dark fiber, optical networking, and proprietary RF solutions
• Familiarity with network time synchronization technologies (PTP, GPS, atomic clocks)
• Competitive salary (130-400k)
• Work with the smartest people in one of the fastest-growing and most exciting industries

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.