The median Application Support Engineer salary in United Kingdom is £65K in 2026, with a typical range from £65K to £65K. Year-on-year movement is still building as more matched salary data is published. London & South East currently leads city pay at £68K.
What does An Application Support Engineer do?
An Application Support Engineer is responsible for maintaining the availability, performance, and reliability of production applications by diagnosing incidents, managing deployments, and resolving root-cause defects.
Day-to-day responsibilities
- Triaging and resolving L2 and L3 application incidents
- Monitoring application health with APM tools like Dynatrace and Splunk
- Executing release deployments and rollbacks
- Writing SQL queries to investigate data issues
- Coordinating bug fixes with development teams
- Maintaining runbooks
High demand+18% SQL+12% ITIL+15% Splunk