Application Support Analyst (L2/L3) - SQL & Powershell - Banking
London, UK - EXCELLENT, NEGOTIABLE
Contract
Posted by
Rothstein Recruitment Ltd
Applicants must be eligible to work in the specified location
Application Support Analyst (L2/L3) - SQL & Powershell - Banking
We are seeking a technically strong Application Support Analyst to join a production support team responsible for business-critical financial systems. This is a hands-on L2/L3 role focused on data investigation, SQL troubleshooting, Scripting and automation, and resolving complex production issues at root-cause level.
You will be expected to analyse problems, write scripts, fix data and processes, and improve system reliability.
Key Responsibilities
- Provide L2/L3 production support for core applications and data flows
- Investigate data and processing issues using advanced SQL (T-SQL/PL/SQL)
- Perform data fixes, validation, reconciliations and performance analysis
- Debug batch and Real Time processes across Linux and Windows environments
- Develop and maintain automation and tooling using PowerShell, Bash and/or Python
- Investigate failed or delayed batch jobs and end-to-end processing chains
- Work with developers and infrastructure teams on root cause and permanent fixes
- Support releases, deployments and controlled changes into production
- Participate in incident, problem and DR processes, including RCA
Essential Skills and Experience
- Strong, hands-on SQL experience (complex queries, joins, stored procedures, data investigation)
- Strong Scripting skills in PowerShell, Bash, Python or similar
- Experience supporting production financial systems in an L2/L3 capacity
- Comfortable working directly on Servers (Linux/Windows) to diagnose issues
- Experience with batch processing and scheduled workloads (Control-M, Tidal, Autosys or similar is a plus)
- Experience troubleshooting data pipelines, interfaces and downstream impacts
- Proven ability to work independently and own issues through to resolution
Desirable
- Experience in asset management, custody, banking or trading environments
- Exposure to data warehouses, regulatory reporting or valuation processing
- Experience with monitoring tools (Splunk, Geneos, Dynatrace, etc.)
- Understanding of MQ or message-based integrations
London, UK
IT, Finance
ASAP (Within reason)
Rolling Contract
EXCELLENT, NEGOTIABLE
Rothstein Recruitment Ltd
Tom Cove
JS/MRL/TC/APPSUPP3
23/01/2026 12:00:44