Job Description

Overview

Position: Data Architect - Mainframe Migration & Modernization
Location: London, UK (Hybrid-2/3 days a week)
6 months contract position

Responsibilities

  • Design and implement Change Data Capture (CDC) pipelines using IBM CDC tools or equivalents, including subscription management, bookmarks, and replay strategies.
  • Handle complex data encoding transformations, such as EBCDIC to UTF-8 and packed decimal conversions, with validation test suites.
  • Utilize migration tooling for schema conversion and downstream analytics (Glue, Athena, Redshift), with infrastructure-as-code (Terraform) and CI/CD (GitLab).
  • Plan and execute cutovers with dual-run validation, reconciliation, rollback strategies, and data governance controls (masking, encryption, IAM).
  • Develop observability dashboards for lag, throughput, error rates, and cost using CloudWatch/Grafana, with operational runbooks and alerting.
  • ...

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