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- Tasks: Optimise ultra-low-latency trading systems and enhance performance across global crypto exchanges.
- Company: Global leader in institutional liquidity and digital assets.
- Benefits: Competitive salary, dynamic work environment, and opportunities for professional growth.
- Other info: Join a fast-paced team focused on cutting-edge technology and innovation.
- Why this job: Make a real impact on high-frequency trading and shape the future of crypto exchanges.
- Qualifications: Experience in HFT, strong Linux skills, and a passion for automation.
The predicted salary is between 60000 - 80000 ÂŁ per year.
Our client, a global leader in institutional liquidity and digital assets, is seeking a systems and networking specialist with deep expertise in High Frequency Trading. In this role, you will own the end‑to‑end optimisation of a globally distributed, ultra‑low‑latency trading stack, spanning hardware, networking, and operating systems. This is a high‑impact position where your work will directly shape execution speed, determinism, and reliability across a world‑class crypto exchange platform.
The ideal profile will come from a high‑frequency trading environment, with strong Linux fundamentals, an automation‑first mindset, and hands‑on experience with performance‑critical infrastructure. You will be highly execution‑focused, comfortable operating close to the metal, and driven by extracting microsecond‑level performance gains that materially impact desk‑level trading outcomes.
Responsibilities- Low‑latency Infrastructure Build: Design and deploy HFT‑grade infrastructure optimised for ultra‑low‑latency connectivity to crypto exchanges and internal systems.
- Hybrid Cloud Optimisation: Optimise performance across AWS environments and physical hardware in colocation data centres.
- System Performance Tuning: Apply deep Linux kernel and OS‑level optimisations to reduce jitter and maximise determinism.
- Network Automation: Build zero‑touch deployment pipelines using Terraform and Ansible for reproducible, reliable infrastructure.
- Precision Monitoring: Implement microsecond‑level observability to track latency, packet loss, jitter, and retransmissions.
- Low‑Latency DNA: Proven experience in HFT or ultra‑low‑latency environments where microseconds are critical.
- Linux Mastery: Strong knowledge of system internals including CPU pinning, NUMA, kernel bypass, and profiling.
- Advanced Networking: Deep understanding of BGP, multicast, and AWS networking primitives.
- Automation‑First Mindset: Proficiency in Python/Bash and Infrastructure as Code (Terraform) for global deployments.
- Hardware Savvy: Hands‑on experience with high‑performance NICs, low‑latency switches (Arista/Cisco), and data centre environments.
System and Networking Specialist (HFT) - Selby Jennings in London employer: Jobs via eFinancialCareers
Contact Detail:
Jobs via eFinancialCareers Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land System and Networking Specialist (HFT) - Selby Jennings in London
✨Tip Number 1
Network like a pro! Attend industry meetups, webinars, or conferences related to high-frequency trading and networking. This is your chance to connect with potential employers and showcase your expertise in person.
✨Tip Number 2
Get hands-on! Set up your own low-latency trading environment at home. This not only sharpens your skills but also gives you real-world examples to discuss during interviews. Plus, it shows your passion for the field!
✨Tip Number 3
Prepare for technical interviews by brushing up on your Linux and networking knowledge. Practice solving problems on the spot, as many companies will test your skills in real-time. We recommend using platforms that simulate these scenarios.
✨Tip Number 4
Apply through our website! We make it easy for you to find roles that match your skills. Plus, it’s a great way to ensure your application gets the attention it deserves from hiring managers.
We think you need these skills to ace System and Networking Specialist (HFT) - Selby Jennings in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to highlight your experience in high-frequency trading and low-latency environments. We want to see your Linux mastery and any hands-on experience with performance-critical infrastructure front and centre!
Showcase Your Skills: In your cover letter, don’t just list your skills—show us how you've applied them in real-world scenarios. Talk about specific projects where you’ve optimised systems or improved performance. We love a good story!
Be Clear and Concise: Keep your application clear and to the point. We appreciate brevity, so avoid fluff and focus on what makes you the perfect fit for this role. Highlight your automation-first mindset and any relevant achievements.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any important updates. Let’s get you on board!
How to prepare for a job interview at Jobs via eFinancialCareers
✨Know Your HFT Inside Out
Make sure you brush up on your high-frequency trading knowledge. Understand the nuances of ultra-low-latency environments and be ready to discuss how microsecond-level performance impacts trading outcomes. We recommend preparing specific examples from your past experiences that highlight your expertise in this area.
✨Show Off Your Linux Skills
Since strong Linux fundamentals are crucial for this role, be prepared to dive deep into system internals. Familiarise yourself with concepts like CPU pinning, NUMA, and kernel bypass. We suggest practising some technical questions or scenarios that could come up during the interview to demonstrate your mastery.
✨Demonstrate Your Automation Mindset
This position values an automation-first approach, so be ready to discuss your experience with Infrastructure as Code tools like Terraform and Ansible. We recommend bringing examples of how you've built zero-touch deployment pipelines or optimised workflows in previous roles to showcase your skills.
✨Prepare for Technical Challenges
Expect to face technical challenges during the interview that test your problem-solving abilities. We advise practising coding problems in Python or Bash, especially those related to networking and system performance tuning. This will help you feel more confident and ready to tackle any scenario they throw your way.