Senior Application Support Engineer

Keep essential services running when it matters most. In this role, you will help ensure production application flows remain stable, available, and performant for internal users and external clients. You will work hands-on with real-time issues, partner with engineers and infrastructure teams, and drive continuous improvements. You will contribute to a culture of operational excellence through proactive monitoring and thoughtful automation. If you enjoy troubleshooting, collaboration, and reliability-focused work, this role offers meaningful impact.

As an Technology application support engineer in Technology Application Support, you will ensure the stability, availability, and performance of critical production application flows used by internal users and external clients. You will troubleshoot and resolve application and user-reported issues in a timely manner, support incident and problem management practices, and partner with stakeholders across technology to improve service reliability and the user experience.

• Provide end-to-end application support and service delivery across supported platforms to enable uninterrupted business operations.


• Perform day-to-day production support and maintenance to ensure system stability, availability, and performance.


• Monitor system health, performance, and capacity across supported platforms, proactively identifying and addressing risks before they impact operations.


• Triage issues, escalate appropriately, and communicate clearly with business and technology stakeholders through resolution.


• Analyze complex situations and trends to support incident, problem, and change management for full-stack systems, applications, and infrastructure.


• Create and maintain runbooks, operational procedures, and knowledge-base documentation to improve consistency and efficiency.


• Collaborate with engineering teams to design and implement deployment approaches using automated continuous integration and continuous delivery pipelines.


• Implement infrastructure, configuration, and network as code for applications and platforms within your remit.


• Partner with technical experts, key stakeholders, and team members to identify operational improvements, automation opportunities, and tooling enhancements that reduce toil.


• Apply service level indicators and service level objectives to proactively resolve issues before they impact customers.


• Support the adoption of site reliability engineering best practices within the team.

• Bachelor’s degree in Computer Science (or equivalent experience) with experience in a production support environment.


• 5 years of experience troubleshooting, resolving, and maintaining production IT services.


• Demonstrated ability to communicate effectively across multiple levels and teams (written and verbal).


• Proficiency in scripting (for example, bash/ksh, PowerShell, Python) to automate manual tasks and improve operational runbooks.


• Experience troubleshooting application issues involving databases (for example, Oracle, SQL Server), including database concepts and SQL scripting.


• Demonstrated knowledge supporting applications or infrastructure in a large-scale technology environment across on-premises and public cloud.


• Experience using observability and monitoring tools (for example, Geneos, Splunk, Grafana, Dynatrace) and applying alerting techniques for proactive health management.


• Understanding of processes aligned to the Information Technology Infrastructure Library (ITIL) framework.


• Experience with incident management and IT service management practices, including ticketing and escalation workflows.

• Experience supporting technology platforms within a financial services environment.


• Experience supporting Unix/Linux and Windows environments (for example, process/thread analysis, file systems, permissions, services, scheduling).


• Familiarity with cloud platforms and containerized environments (for example, AWS, Azure, Kubernetes) in a support or operations capacity.


• Working knowledge of incident management, change management, and release management processes within regulated enterprise environments.


• Experience implementing automation and self-healing capabilities to improve platform resilience and reduce operational overhead.


• Relevant industry certifications (for example, ITIL, AWS, or equivalent technology support credentials).