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- Tasks: Build and optimise Linux OS for ultra-fast trading systems.
- Company: Leading firm in capital markets with a focus on innovation.
- Benefits: Up to £250k base salary, bonuses, and a dynamic work environment.
- Why this job: Join a team of elite engineers and tackle complex challenges.
- Qualifications: Strong coding skills in C++, Python, or Golang required.
- Other info: Fully onsite role in London with excellent career growth potential.
Linux Engineer – build/tune some of the world\’s fastest trading systems
This range is provided by Saragossa. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Overview
This is not a Sys Admin role. This role is for elite engineers with strong coding ability, that are embedded within the Linux ecosystem.
Responsibilities
- Build and fine-tune the Linux OS that underpins some of the world’s fastest trading systems.
- Focus on ultra-low latency, bare metal performance, and kernel-level problem solving, alongside writing and debugging C++, Python, or Golang code.
- Your work will span memory management, CPU scheduling, kernel tuning, and virtualization using KVM.
- Help manage and optimise on‑prem Kubernetes environments supporting critical trading infrastructure.
- Collaborate with quants and custom hardware teams (including GPUs and a proprietary network stack) to extract every microsecond of performance.
- Work on complex, open-ended problems that may take weeks or months to resolve.
Details
- Location: London – fully onsite
- Base pay range: up to £250k base + bonuses. The budget is open to attract the best engineers, and compensation includes a generous base salary + guaranteed bonus (roughly a 60/40 split).
- Salary is based on skills and experience.
Seniority
- Mid-Senior level
Employment type
- Full-time
Job function
- Information Technology
Industries
- Capital Markets, Investment Management, and Securities and Commodity Exchanges
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Linux Engineer - build/tune some of the world\'s fastest trading systems - up to £250k Base + Bonuses employer: Saragossa
Contact Detail:
Saragossa Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Linux Engineer - build/tune some of the world\'s fastest trading systems - up to £250k Base + Bonuses
✨Tip Number 1
Network like a pro! Connect with other Linux engineers and industry professionals on platforms like LinkedIn. Join relevant groups and participate in discussions to get your name out there.
✨Tip Number 2
Show off your skills! Create a GitHub profile showcasing your projects, especially those involving C++, Python, or Golang. This gives potential employers a glimpse of your coding abilities and problem-solving skills.
✨Tip Number 3
Prepare for technical interviews by brushing up on kernel-level problem solving and ultra-low latency techniques. Practice coding challenges that focus on memory management and CPU scheduling to impress your interviewers.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for elite engineers like you. Make sure your application stands out by tailoring it to highlight your experience with Linux systems and trading infrastructure.
We think you need these skills to ace Linux Engineer - build/tune some of the world\'s fastest trading systems - up to £250k Base + Bonuses
Some tips for your application 🫡
Show Off Your Skills: When you're writing your application, make sure to highlight your coding skills and experience with Linux. We want to see how you've built or tuned systems in the past, so don’t hold back on the details!
Tailor Your Application: Make your application stand out by tailoring it to the role. Use keywords from the job description, like 'ultra-low latency' and 'kernel tuning', to show us you understand what we're looking for.
Be Clear and Concise: We appreciate clarity! Keep your application straightforward and to the point. Avoid jargon unless it's relevant, and make sure we can easily see your qualifications and experience.
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity. We can’t wait to hear from you!
How to prepare for a job interview at Saragossa
✨Know Your Linux Inside Out
Make sure you’re well-versed in the Linux ecosystem. Brush up on kernel-level problem solving, memory management, and CPU scheduling. Be ready to discuss your experience with tuning the Linux OS for ultra-low latency and bare metal performance.
✨Show Off Your Coding Skills
Since this role requires strong coding ability, be prepared to demonstrate your proficiency in C++, Python, or Golang. You might be asked to solve coding problems on the spot, so practice writing clean, efficient code that showcases your skills.
✨Understand the Trading Systems Landscape
Familiarise yourself with how trading systems operate, especially in terms of performance optimisation. Knowing how Kubernetes fits into the picture will also give you an edge, as you’ll need to manage and optimise on-prem environments.
✨Prepare for Complex Problem Solving
Expect to tackle open-ended problems during the interview. Think about past challenges you've faced and how you approached them. Be ready to discuss your thought process and the steps you took to resolve issues, especially those that took time and persistence.
