Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Provide hands-on support for trading and post-trade platforms in a fast-paced environment.
- Company: Join a global team at the forefront of financial technology.
- Benefits: Competitive salary, hybrid work model, and opportunities for professional growth.
- Other info: Dynamic role with exposure to front-office workflows and vendor interactions.
- Why this job: Make a real impact on critical systems and enhance your tech skills.
- Qualifications: Strong technical skills in Linux/Unix, Windows, and databases; scripting experience preferred.
The predicted salary is between 90000 - 90000 £ per year.
We’re hiring a high-calibre Application Support Analyst to join a global team supporting business-critical trading and post-trade platforms. This is a hands-on role at the centre of a fast-moving financial environment, ensuring the stability, performance, and integrity of systems spanning trading, clearing, settlement, and risk.
You’ll work closely with front-office users, technology teams, and external vendors to resolve issues, improve platform reliability, and support the ongoing evolution of core systems.
The Role
- Own 2nd/3rd line support across trading and back-office platforms, ensuring high availability and rapid issue resolution.
- Take full lifecycle ownership of incidents and outages, driving root cause analysis and permanent fixes.
- Partner with development, infrastructure, and business teams to deliver seamless, end-to-end support.
- Manage vendor relationships, exchange connectivity, upgrades, and technical client onboarding.
- Support system enhancements, releases, and change initiatives across the platform landscape.
- Deliver operational reporting including compliance, exchange reporting, and platform performance metrics.
- Continuously improve support processes, tooling, and operational best practices.
What We’re Looking For
- Strong technical foundation across Linux/Unix and Windows environments, with solid database skills (SQL, PostgreSQL, MongoDB, Oracle).
- Scripting capability in Python or PowerShell for automation and operational tooling.
- Good understanding of trading lifecycle processes (trading, clearing, settlement, post-trade flows).
- Experience supporting exchange connectivity, market data, and FIX protocols.
- Familiarity with ITIL-based support environments, including incident, problem, and change management.
- Confident communicator with the ability to work directly with traders, vendors, and senior stakeholders.
- Calm, proactive, and solutions-focused under pressure.
Why Join
This is an opportunity to operate at the core of trading technology in a globally connected environment, with real ownership, exposure to front-office workflows, and the chance to drive meaningful improvements across critical systems.
Application Support Engineer in London employer: Harrington Starr
Contact Detail:
Harrington Starr Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Application Support Engineer in London
✨Tip Number 1
Network like a pro! Reach out to people in the industry, attend meetups, and connect with professionals on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Prepare for those interviews! Research the company and its trading platforms thoroughly. Be ready to discuss your technical skills and how they relate to the role, especially around Linux/Unix, SQL, and scripting.
✨Tip Number 3
Showcase your problem-solving skills! During interviews, share specific examples of how you've tackled issues in past roles, particularly in high-pressure environments. This will demonstrate your calm and proactive approach.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it’s a great way to ensure your application gets the attention it deserves.
We think you need these skills to ace Application Support Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Application Support Engineer role. Highlight your experience with trading and post-trade platforms, as well as your technical skills in Linux/Unix and Windows environments. We want to see how your background aligns with what we’re looking for!
Showcase Your Technical Skills: Don’t hold back on showcasing your technical foundation! Include specific examples of your database skills and scripting capabilities. We love seeing candidates who can demonstrate their knowledge in SQL, Python, or PowerShell, so make it clear how you’ve used these in past roles.
Communicate Clearly: As an Application Support Engineer, communication is key. Use clear and concise language in your application to show us you can effectively communicate with traders, vendors, and stakeholders. This will help us see that you’re a confident communicator right from the start!
Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It’s super easy, and you’ll be able to provide all the necessary information in one go. Plus, it helps us keep track of your application better!
How to prepare for a job interview at Harrington Starr
✨Know Your Tech Inside Out
Make sure you brush up on your technical skills, especially around Linux/Unix and Windows environments. Be ready to discuss your experience with databases like SQL and PostgreSQL, and don’t forget to highlight your scripting capabilities in Python or PowerShell.
✨Understand the Trading Lifecycle
Familiarise yourself with the trading lifecycle processes, including trading, clearing, and settlement. Being able to speak confidently about these areas will show that you understand the business-critical nature of the role and can contribute effectively from day one.
✨Communicate Like a Pro
Since you'll be working closely with traders and senior stakeholders, practice your communication skills. Be prepared to explain complex technical issues in simple terms and demonstrate your ability to remain calm and solutions-focused under pressure.
✨Show Your Problem-Solving Skills
Prepare examples of how you've handled incidents and outages in the past. Discuss your approach to root cause analysis and how you've implemented permanent fixes. This will showcase your proactive mindset and commitment to continuous improvement.