Harrington Starr
Senior Application Support Engineer
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Senior Production Application Support Engineer
London
£130,000 + benefits
We’re looking for a Senior Production Application Support Engineer to join a high-performing technology team supporting a complex electronic trading platform in London.
This is a hands-on role for someone who enjoys working at the intersection of application support, trading technology and engineering, with responsibility for keeping critical production systems highly available and resilient.
Key responsibilities:
- Provide 3rd line production and UAT support for critical trading applications
- Investigate complex issues across application, OS, database and network layers
- Perform detailed root cause analysis using logs, code and monitoring tools
- Support production deployments, configuration management, DR and BCP activities
- Develop scripts, SQL and application changes to improve reliability and automation
- Work closely with technology, product and client-facing teams
- Drive automation and continuous improvement across the support function
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We’re looking for:
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Your very own career expert that helps elevate your application to the next level.
- Strong experience in production/application support within financial services
- Front-office or electronic trading application support experience
- Strong Linux and Windows administration knowledge
- Python, Bash, PowerShell, Perl or similar scripting experience
- Strong SQL/database experience, ideally SQL Server and MongoDB
- C++ or Java experience
- Strong understanding of networks, APIs and application integration
- FIX API experience
- Experience with Git and production deployments
- A genuine engineering mindset with strong problem-solving skills
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