Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Support low-latency trading systems and automate processes using Python and SQL.
- Company: Elite systematic trading firm at the forefront of global markets.
- Benefits: Competitive salary, dynamic work environment, and opportunities for career growth.
- Why this job: Join a high-impact team and make a difference in trading technology.
- Qualifications: 3+ years in trading systems support with Python and Linux experience.
- Other info: Collaborative culture focused on innovation and operational excellence.
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 jimmy.xu@mondrian-alpha.com or respond directly to this advert.
Application Support Engineer - Elite Systematic Trading Firm - Prop Trading - Market Leading Comp... 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 Comp... in City of London
✨Tip Number 1
Network like a pro! Reach out to people in the industry, especially those working at trading firms. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! If you’ve got experience with Python, SQL, or any of the tools mentioned in the job description, make sure to highlight that in conversations. Share examples of how you've used them to solve real problems.
✨Tip Number 3
Prepare for technical interviews by brushing up on low-latency systems and trading workflows. We recommend doing mock interviews with friends or using online platforms to get comfortable with the format.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Application Support Engineer - Elite Systematic Trading Firm - Prop Trading - Market Leading Comp... 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 up information and make it digestible.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications better and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at Mondrian Alpha
✨Know Your Tech Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, especially Python, SQL, and any monitoring tools like Splunk and Grafana. Brush up on your knowledge of FIX protocol and trading workflows, as these will likely come up during technical questions.
✨Showcase Your Problem-Solving Skills
Be prepared to discuss specific examples where you've identified and resolved production issues in high-performance trading systems. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight your initiative and precision.
✨Demonstrate Collaboration
Since the role involves working closely with traders, developers, and network engineers, think of instances where you’ve successfully collaborated with different teams. Emphasise your communication skills and how you’ve contributed to optimising trading operations.
✨Prepare for Scenario-Based Questions
Expect scenario-based questions that test your understanding of low-latency infrastructure and incident management. Practice articulating your thought process on how you would handle specific situations, such as a sudden system outage or performance tuning challenges.
