Application Support

GCS Recruitment; Greater London; Hybrid; GBP 66,000 - 87,000; Full time

Job summary

GCS Recruitment is seeking an Application Support Specialist for a Tier 1 bank in London on a 6-month hybrid contract. You will support production applications, troubleshoot issues, and liaise with Data Centre/Help Desk staff to reach root causes.

Responsibilities include code fixes, SQL scripting, and collaboration with London and New York teams to ensure stable operations. The role requires strong SQL Server/Oracle knowledge and a proactive, hands-on attitude.

Qualifications

• Experience supporting production applications in a banking/financial services environment.
• Strong troubleshooting skills with root-cause analysis and incident management.
• Ability to coordinate with Data Centre, Help Desk, and development teams to resolve issues.

Responsibilities

• Troubleshoot applications in production, including code fixes and SQL scripting, across Windows servers and databases (SQL Server or Oracle).
• Coordinate with Technical Support, Network, Infrastructure, and DBA teams on application issues.
• Communicate guidance to London and New York helpdesk staff to support resolution.
• Contribute to best practices for application support and configuration to meet business needs.
• Support disaster recovery environment definitions and participate in DR exercises.
• Provide out-of-hours support as part of the production support team.

Tools

T/SQL

C# .NET

Oracle

Job description

Application Support Specialist - C# / SQL - Tier 1 Bank - 6 months - Hybrid

Role

Application Support Specialist

Rate

£416 per day

Duration

6 months with very likely extension

Location

Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Tech Stack

• T/SQL
• C# .NET
• Oracle

Role

• Application support responsibilities for development teams in production environments to cover all aspects such as communication with Data Centre/Help Desk staff, analysing/finding failure to reach a root cause, resolving issues by liaising with development teams, liaising with internal and external supports teams and providing explanations to our Business Clients.

Tasks

• Troubleshooting Applications in the event of failure and implementing solutions (Code fix, SQL scripting etc), including checking Windows Servers, Databases (SQL Server or Oracle) and any other relevant environments where the Application is running. In some cases, this will involve liaising with other application support team staff across London and New York.
• Liaising with the relevant support teams (such as Technical Support, Network, Infrastructure, DBA) when users experience Application issues.
• Communicating with primary support Helpdesk staff in London and New York to give the team necessary advice and suggestions.
• Working with the team members and the wider development team to establish best practices to support Applications.
• Working with the wider Development team and other support teams to analyse and establish appropriate Application configuration to meet Business requirements.
• Contributing and regularly joining technical and design workshops within the team to suggest ideas to achieve stable Application operations.
• Critically and actively contributing to define Application support standards to ensure their applications are fully capable of running safely in production.
• Participating in exercises to both plan and estimate work volumes for Application supports.
• Working with the application release team in the rollout of applications in production that minimize Application failures after release.
• Adding consideration of performance, scalability and security matters across design and implementation phases.
• Follow established incident and problem management processes, ensuring accurate ticket updates and clear communication with stakeholders and with any relevant people.
• Participating in definitions and configuration of Application environments in Disaster Recovery sites.
• Supporting the continuous improvement and updating Application support methodology for all members in support team, as well as the wider Application support departments.
• Out of office hours support required as part of production support team