Senior Application Support Engineer

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

We’re looking for:

* 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