Ultra-Low-Latency Platform Engineer (Colocation) – London / Singapore

Oxford Knight; London; Hybrid; GBP 60,000 - 100,000; Full time

Job summary

A leading quant hedge fund seeks an Ultra-Low-Latency Platform Engineer to enhance low-latency infrastructure solutions across multiple global sites. Utilizing a strong Linux background, the ideal candidate will optimize server performance and contribute to critical projects in a fast-paced environment.

Benefits

Hybrid working flexibility

Relaxed, friendly culture with regular socials

Qualifications

• 5+ years’ experience with Linux in a large operations-focused environment.
• Experience in server management and support.
• Proficiency with low latency network interfaces.

Responsibilities

• Provide low-latency infrastructure solutions across 400+ servers.
• Collaborate with teams to deliver systems based on Linux.
• Automate routine tasks and promote Infrastructure as Code.

Skills

Linux

Problem-solving

Network configuration

Automation

Education

Bachelor’s degree in Engineering or Computer Science

Tools

Chef

Ansible

Grafana

Prometheus

Python

Bash

Job description

Ultra-Low-Latency Platform Engineer (Colocation) – London / Singapore, London

Client:

Oxford Knight

Location:

London, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

Job Reference:

6856a8e3657c

Job Views:

5

Posted:

29.06.2025

Expiry Date:

13.08.2025

Job Description:

Our client is a leading quant and systematic hedge fund, leveraging a deep knowledge of trading, technology and operations to deliver high-quality, uncorrelated returns. Seeking a Linux Platform Engineer with a background in ultra low latency systems to join their team in London or Singapore.

In this role, you will provide low-latency infrastructure solutions consistently across 400+ servers at 22+ global sites. Your responsibilities will cover project delivery, support escalations, monitoring, automation, security, documentation and capacity management. This will involve collaborating with business partners, application owners, clients, vendors and internal teams to deliver systems, based on Linux (CentOS and Rocky) in response to requirements and day-to-day requests. You’ll also take the initiative where possible to automate routine tasks and promote the practice of Infrastructure as Code.

This is a technology and data-driven firm, offering excellent opportunities for career growth. You’ll be expected to be well-organized, proactive, resourceful; able to handle a fast-paced, dynamic environment, question the status quo; be accountable and possess an ownership mindset.

Requirements

• 5+ years’ experience working with Linux (RHEL/CentOS/Rocky preferred) in a large environment focused on operations, systems engineering and systems performance
• Experience in server management and support: HP, SuperMicro, Dell, various overclock servers
• Proficiency with low latency network interfaces and kernel bypass (configuration and optimization): Solarflare with onload, Mellanox with VMA
• In-depth knowledge of server network stack configuration, tuning & troubleshooting including TCP, UDP (unicast/multicast), NTP, PTP, wireshark/tshark
• Bachelor’s degree in Engineering, Computer Science (or related)
• Excellent critical and analytical problem-solving skills

Nice to have

• Good knowledge of system hardware/OS tuning and performance troubleshooting, understanding of CPU architectures
• Experience with build and configuration management tools, specifically Chef or Ansible
• Experience with observability tools, in particular Grafana & Prometheus
• Experience with scripting & automation (Python, Ruby, Bash)
• Great opportunity to be part of a tech-driven environment with close collaboration between desks
• Relaxed, friendly culture, with a regular socials
• Hybrid working flexibility

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Created on 29/06/2025 by TN United Kingdom