Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and optimise ultra-low latency networks for high-frequency trading.
- Company: Join a leading firm in high-frequency trading based in London.
- Benefits: Enjoy competitive pay, flexible working options, and a dynamic work environment.
- Why this job: Be part of cutting-edge technology that shapes the future of trading.
- Qualifications: 1-7 years in low-latency networking; expertise in RF engineering and network protocols required.
- Other info: Opportunity to collaborate with traders and developers in a fast-paced setting.
The predicted salary is between 48000 - 72000 £ per year.
Our client is looking for a High-Frequency Network Engineer in London with up to seven years of experience. In this role, you will work on ultra-low latency network infrastructure, supporting their high-frequency trading (HFT) operations and high-speed networking, with a strong focus on reducing trading latency. Your responsibilities will include designing, implementing, and optimizing high-speed networks for HFT connectivity. Additionally, you will be involved in low-latency network design, including RF link planning, site selection, and signal propagation.
Key Responsibilities:
- Design, implement, and optimize high-speed networks for HFT connectivity.
- Develop low-latency network solutions, including RF link planning, site selection, and signal propagation analysis.
- Configure, monitor, and troubleshoot routing and switching for high-performance trading environments.
- Collaborate with traders, developers, and infrastructure teams to maximize network efficiency.
- Conduct network performance analysis, latency tuning, and packet-level troubleshooting.
Requirements:
- 1-7 years of experience in high-frequency or low-latency networking, particularly microwave networks.
- Expertise in RF engineering, link budget analysis, and antenna alignment.
- Strong knowledge of network protocols (TCP, UDP, BGP, OSPF, multicast, PTP timing synchronization).
- Hands-on experience with network hardware (Cisco, Arista, Juniper) and low-latency optimization techniques.
- Proficiency in network performance tuning, latency measurement, and packet analysis (Wireshark, tcpdump, etc.).
- Familiarity with Linux networking, automation tools (Python, Bash, Ansible), and network monitoring solutions.
- Experience with Cloud Networking in AWS and GCP.
Network Engineer - Ultra Low Latency employer: Selby Jennings
Contact Detail:
Selby Jennings Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Network Engineer - Ultra Low Latency
✨Tip Number 1
Make sure to brush up on your knowledge of RF engineering and low-latency networking. Being able to discuss specific techniques you've used in past projects, especially related to microwave networks, will show your expertise and make you stand out.
✨Tip Number 2
Familiarise yourself with the latest network protocols and tools mentioned in the job description. Having hands-on experience with Cisco, Arista, or Juniper hardware can be a game-changer, so be ready to discuss your practical experiences with these technologies.
✨Tip Number 3
Network performance analysis is crucial for this role. Prepare to talk about your experience with latency tuning and packet-level troubleshooting using tools like Wireshark or tcpdump. Real-world examples will help demonstrate your skills effectively.
✨Tip Number 4
Collaboration is key in this position, so think of instances where you've worked closely with traders or developers to enhance network efficiency. Highlighting your teamwork skills alongside technical abilities will show that you're a well-rounded candidate.
We think you need these skills to ace Network Engineer - Ultra Low Latency
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in high-frequency and low-latency networking. Emphasise your expertise in RF engineering, network protocols, and any relevant hands-on experience with network hardware.
Craft a Strong Cover Letter: In your cover letter, explain why you are passionate about ultra-low latency networking and how your skills align with the company's needs. Mention specific projects or experiences that demonstrate your ability to design and optimise high-speed networks.
Showcase Relevant Skills: Clearly list your technical skills related to the job description, such as proficiency in network performance tuning, familiarity with automation tools, and experience with cloud networking. Use bullet points for clarity.
Proofread Your Application: Before submitting, carefully proofread your application for any spelling or grammatical errors. A polished application reflects your attention to detail, which is crucial in a high-performance trading environment.
How to prepare for a job interview at Selby Jennings
✨Showcase Your Technical Expertise
Be prepared to discuss your experience with high-frequency and low-latency networking. Highlight specific projects where you've designed or optimised networks, and be ready to explain the technical details, such as RF link planning and network protocols you've worked with.
✨Demonstrate Problem-Solving Skills
Expect to face scenario-based questions that assess your troubleshooting abilities. Prepare examples of how you've resolved network issues in high-performance trading environments, focusing on your approach to latency tuning and packet-level analysis.
✨Familiarise Yourself with Relevant Tools
Make sure you know the tools mentioned in the job description, like Wireshark and tcpdump. Being able to discuss how you've used these tools for network performance tuning will show your hands-on experience and technical proficiency.
✨Collaborate and Communicate Effectively
Since the role involves working with traders, developers, and infrastructure teams, be ready to discuss how you've collaborated in the past. Share examples that demonstrate your ability to communicate complex technical concepts clearly to non-technical stakeholders.
