Senior Application Support Engineer

We're looking for an experienced Senior Application Support Engineer to join a growing IT team and play a key role in supporting critical business applications across a modern and complex technology stack.

In this role, you'll be responsible for:

• Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis
• Proactively maintaining and optimising applications, performing upgrades and configuration changes
• Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users
• Collaborating closely with engineering and business teams to drive operational excellence
• Enhancing processes, documentation, and tooling to support continuous improvement

What we're looking for:

• Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment

Strong knowledge of SRE principles, incident management, monitoring, and performance tuning

Hands-on technical skills across a broad range of technologies, including:

• Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server
• Web: React, RESTful APIs, Docker, Azure Kubernetes Service (AKS)
• Tools: CI/CD pipelines (Azure DevOps), Dynatrace, Git, Okta, Apigee
• Excellent communication skills and the ability to work effectively across cross-functional teams

Desirable:

• Familiarity with legacy VB/C# applications in a modernised environment
• Experience in automation/scripting (PowerShell, Bash)
• Background in financial services applications or products

Location: London (hybrid working - 2/3 days a week in the office)

This is a fantastic opportunity to join a collaborative, forward-thinking technology environment where you'll be empowered to take ownership, solve problems, and contribute to continuous improvement.

If you're passionate about application support, thrive in complex technical environments, and want to make a real impact, we'd love to hear from you!