IT Application Support Engineer - Mainframe

Job Description

We are looking for an experienced IT Application Support Engineer to join our team, ensuring the stability, performance, and continuous improvement of critical applications within a banking environment.

This role is focused on production support, monitoring, maintenance, release management, and technical application support in a Mainframe ecosystem.

The ideal candidate will bring strong analytical skills, a proactive mindset, and previous experience working in complex production environments.

You will play a key role in ensuring service stability, incident resolution, application monitoring, release coordination, and continuous improvement of operational processes.

Key Responsibilities

Production Support & Monitoring

• Provide technical and functional support for critical business applications.
• Monitor batch processing activities and application workflows.
• Ensure the smooth operation of production and non-production environments.
• Investigate and resolve technical incidents and production issues.
• Perform root cause analysis and implement preventive actions.
• Monitor technical and functional application performance, ensuring optimal user experience.
• Recover files and manage data restoration activities when required.

Environment & Infrastructure Management

• Manage the opening and closing of UAT environments.
• Execute scripts and environment parameterization requests.
• Perform data refresh activities, including database copy and masking from Production to UAT environments.
• Support application integrations and operational processes.

Release & Deployment Management

• Coordinate application releases across multiple environments.
• Compile, package, and deploy software releases.
• Prepare and coordinate production migrations with Planning, DBA, and Production teams.
• Maintain non-regression environments and ensure alignment across environments.
• Prepare GUI packages and deployment artifacts.

Continuous Improvement

• Develop and maintain operational documentation and procedures.
• Automate repetitive tasks and improve monitoring capabilities.
• Contribute to service reliability and operational excellence initiatives.
• Support change management activities and functional enhancement requests.

Qualifications

Required Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related field.
• 6+ years of professional experience in Application Support, Production Support, IT Operations, or a similar role.
• Previous experience supporting applications in complex enterprise environments.
• Strong analytical and troubleshooting skills.
• Ability to understand business requirements and translate them into technical solutions.
• Experience with SDLC methodologies and software lifecycle management.
• Experience creating technical documentation, operational procedures, and process flows.
• Excellent communication skills and ability to work within international teams.
• Fluent English (written and spoken).

Mandatory Technical Skills

• IBM Mainframe (z/OS)
• TSO
• COBOL
• CICS
• JCL
• DB2
• SQL
• OPC Scheduler
• Unix Shell Scripting
• Oracle SQL
• File Transfer Technologies (FTP, SFTP, MQ, CFT)

Additional Information