Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Provide critical support for trading systems and automate processes using Python and SQL.
- Company: Join a fast-growing, elite systematic trading firm at the forefront of global markets.
- Benefits: Enjoy remote work options and a competitive total compensation package up to £450k.
- Why this job: Be part of a high-performance team that values innovation and precision in trading.
- Qualifications: 5+ years in high-performance trading systems with strong Python and Linux skills required.
- Other info: Collaborate with traders and developers while driving operational excellence across regions.
Senior Application Support Engineer – Elite Systematic Trading Firm – Prop Trading – Up to £450k TC – WFH My client, an elite and fast-growing 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 Deliver L1/L2 support for proprietary and third-party trading applications across global markets. 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 5+ years’ experience supporting high-performance trading systems in a Python and Linux-heavy environment. Strong knowledge of the trade lifecycle in one or more asset classes (e.g., FX, Commodities, Equities). 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 and mentoring junior staff. To apply, please send your CV to moses.lynn@mondrian-alpha.com or respond directly to this advert.
Senior Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Up to £450k TC employer: Mondrian Alpha
Contact Detail:
Mondrian Alpha Recruiting Team
moses.lynn@mondrian-alpha.com
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Up to £450k TC
✨Tip Number 1
Familiarise yourself with the specific technologies mentioned in the job description, such as Python, SQL, and monitoring tools like Splunk and Grafana. Being able to discuss your hands-on experience with these tools during an interview will demonstrate your technical proficiency and readiness for the role.
✨Tip Number 2
Understand the trading lifecycle and be prepared to discuss your knowledge of different asset classes like FX, Commodities, and Equities. This will show that you have a solid grasp of the industry and can effectively support the trading systems used by the firm.
✨Tip Number 3
Highlight any experience you have with incident management and process improvement. Be ready to share examples of how you've driven operational excellence in previous roles, as this aligns closely with the responsibilities outlined in the job description.
✨Tip Number 4
Prepare to discuss your collaboration skills, especially in high-pressure environments. Since the role involves working closely with traders, developers, and network engineers, showcasing your ability to communicate effectively and lead investigations will set you apart from other candidates.
We think you need these skills to ace Senior Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Up to £450k TC
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience in supporting high-performance trading systems, particularly in Python and Linux environments. Emphasise your knowledge of the trade lifecycle and any relevant asset classes.
Showcase Relevant Skills: In your application, clearly outline your expertise in FIX protocol, trading workflows, and exchange connectivity. Mention your scripting skills in Python and Bash, as well as your familiarity with automation tools like Ansible.
Highlight Problem-Solving Experience: Provide examples of how you've proactively identified and resolved production issues in previous roles. This is crucial for demonstrating your ability to ensure maximum uptime of latency-sensitive trading platforms.
Express Your Communication Skills: Since collaboration with traders, developers, and network engineers is key, make sure to convey your strong communication skills and your sense of urgency and ownership in your application.
How to prepare for a job interview at Mondrian Alpha
✨Showcase Your Technical Skills
Be prepared to discuss your experience with Python, SQL, and Linux in detail. Highlight specific projects where you've automated processes or resolved critical issues in trading systems, as this will demonstrate your hands-on expertise.
✨Understand the Trading Environment
Familiarise yourself with the trade lifecycle and the asset classes relevant to the firm, such as FX, Commodities, and Equities. This knowledge will help you answer questions more effectively and show that you're genuinely interested in the role.
✨Prepare for Scenario-Based Questions
Expect to face scenario-based questions that assess your problem-solving skills in high-pressure situations. Think of examples from your past experiences where you successfully managed incidents or optimised trading operations.
✨Demonstrate Strong Communication Skills
As collaboration is key in this role, be ready to discuss how you've worked with traders, developers, and network engineers in the past. Emphasise your ability to communicate complex technical concepts clearly and effectively.
