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Mainframe Developer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-06-04
Listing for:
Ampstek
Full Time
position Listed on 2026-06-04
Job specializations:
-
IT/Tech
Cloud Computing, IT Support, Technical Support
Job Description & How to Apply Below
The person will support the test environments to enable delivery of features to mobile/online banking customers. The person will have hands‑on experience with CICS web services, ZOS Connect, DB2, SQL, SOAP, WSDL along with understanding of AWS Services.
Key Responsibilities- Provide expert support and timely resolution of environment issues focusing on mainframe systems and related infrastructure.
- Work on test data support requirement for the teams within Digital Channels.
- Collaborate closely with Data Power and AWS teams to understand integration points and troubleshoot cross‑platform dependencies.
- Monitor AWS cloud resources including Cloud Watch for logging and alerting, Dynamo
DB for database management, and AWS Lambda for serverless compute tasks related to project workflows. - Implement best practices for environment stability, performance tuning, and security compliance.
- Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing.
- Communicate effectively with cross-functional teams including developers, infrastructure engineers, and project managers to ensure timely resolution of issues and alignment on priorities.
- Work on automation using but not limited to Python, Shell scripting, and Git Lab pipeline.
Skills and Qualifications
- Proven experience in mainframe environments, particularly with CICS web services, ZOS Connect EE, DB2, and batch processing.
- Strong skills in mainframe transaction management, JCL, and system debugging tools.
- Familiarity with SOAP, WSDL, JSON, and integration patterns such as SOA and RESTful APIs.
- Good working knowledge of AWS services, particularly Cloud Watch, Dynamo
DB, and Lambda, including monitoring, troubleshooting, and optimisation. - Excellent verbal and written communication skills to effectively articulate technical issues and solutions.
- Ability to work under pressure and manage multiple priorities in a fast-paced environment.
- Strong problem‑solving skills and a proactive approach to identifying and resolving issues.
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