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- Tasks: Support high-performance trading systems and automate processes using Python and SQL.
- Company: Join an elite systematic trading firm at the forefront of global markets.
- Benefits: Market-leading compensation, remote work flexibility, and a dynamic team environment.
- Why this job: Make a real impact in a fast-paced, innovative trading environment.
- Qualifications: 3+ years in trading systems support with strong Python and Linux skills.
- Other info: Opportunity for career growth and collaboration with top industry professionals.
The predicted salary is between 36000 - 60000 £ per year.
My client, an elite systematic trading firm, is looking for an Application Support Engineer to join a high-impact, London-based team at the cutting edge of global markets. This is a career-defining opportunity to join an engineering-driven firm where technology is core to every decision. You will provide mission-critical support for low-latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams. You will operate in a high-performance environment that values precision, initiative, and continuous innovation.
Key Responsibilities
- Ensure maximum uptime of latency-sensitive trading platforms, proactively identifying and resolving production issues.
- Automate and enhance support functions using Python, SQL, and monitoring tools like Splunk and Grafana.
- Collaborate with traders, developers, and network engineers to troubleshoot live issues and optimise trading operations.
- Build, maintain, and document proactive alerting systems and health checks for internal and external connectivity (e.g., FIX, REST APIs).
- Drive operational excellence through robust incident management, process improvement, and knowledge-sharing across regions.
- Play a key role in onboarding new trading desks, products, and exchanges—delivering low-latency infrastructure and reliable integration.
Ideal Candidate Profile
- 3+ years’ experience supporting high-performance trading systems in a Python and Linux-heavy environment.
- Proven expertise in FIX protocol, trading workflows, and exchange connectivity.
- Skilled in scripting for automation (Python, Bash) and familiar with tools like Ansible and Geneos.
- Experience with relational databases (Postgres, Sybase, Oracle) and writing performant SQL queries.
- Knowledge of production-grade monitoring tools (e.g., Grafana, Splunk), alert tuning, and system health validation.
- Understanding of low-latency infrastructure, colocation environments, and performance tuning (CPU affinity, NUMA).
- Strong communicator with a sense of urgency and ownership; capable of leading investigations.
To apply, please send your CV to or respond directly to this advert.
Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - WFH - London in City of London employer: Mondrian Alpha
Contact Detail:
Mondrian Alpha Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - WFH - London in City of London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry on LinkedIn or at events. A friendly chat can open doors that a CV just can't.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio or GitHub with projects related to Python, SQL, or trading systems, make sure to share it. It’s a great way to demonstrate your expertise.
✨Tip Number 3
Prepare for those interviews! Brush up on your knowledge of FIX protocol and low-latency systems. Be ready to discuss how you've tackled production issues in the past.
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Plus, it gives you a better chance to stand out in the application process.
We think you need these skills to ace Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - WFH - London in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV speaks directly to the role of Application Support Engineer. Highlight your experience with low-latency trading systems and any relevant technologies like Python and SQL. We want to see how your skills align with what we're looking for!
Showcase Your Problem-Solving Skills: In your application, don’t just list your responsibilities—share specific examples of how you've tackled production issues or optimised trading operations. We love seeing initiative and innovation in action!
Keep It Clear and Concise: While we appreciate detail, clarity is key! Make sure your application is easy to read and gets straight to the point. Use bullet points where necessary to break down your achievements and skills.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you’re considered for this exciting opportunity with our elite team!
How to prepare for a job interview at Mondrian Alpha
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Python, SQL, and the tools mentioned in the job description like Splunk and Grafana. Be ready to discuss how you've used these technologies in past roles, especially in high-performance trading environments.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've proactively identified and resolved production issues in low-latency systems. Think about specific incidents where your quick thinking made a difference, and be ready to explain your thought process during those situations.
✨Communicate Clearly and Confidently
As a key communicator between teams, practice articulating complex technical concepts in simple terms. You might be asked to explain how you would troubleshoot a live issue, so clarity and confidence are crucial.
✨Demonstrate Your Initiative
Be prepared to discuss how you've driven operational excellence in previous roles. Share examples of process improvements or automation projects you've led, and highlight your ability to take ownership of tasks and deliver results.
