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Legacy Systems Expert

2 weeks ago

Sydney, New South Wales, Australia beBeeExpertise Full time $100,000 - $130,000
Job Overview

We are seeking a highly skilled Legacy Systems Expert to support the stability, optimization, and strategic decommissioning of legacy applications. The ideal candidate will have strong analytical and problem-solving skills, a deep understanding of legacy technologies and application architecture, and experience in decommissioning, migration, data archiving, and risk management.

Main Responsibilities
  • Analyze and document legacy applications (e.g., mainframes, COBOL, older databases) and maintain application performance, reliability, and security.
  • Troubleshoot and resolve complex technical issues, lead or support the technical decommissioning of legacy applications, and collaborate with infrastructure, security, and data teams to plan and execute safe shutdowns.
  • Support the migration of legacy applications to modern platforms and technologies, validate migrated applications for performance, security, and functionality, and contribute to post-migration support and continuous improvement.
  • Evaluate applications against regulatory obligations and internal governance standards, maintain audit trails, and work cross-functionally with product owners, developers, testers, architects, and operations teams.
  • Develop programming skills in COBOL/FORTRAN/PL1/Assembler and knowledge of JCL, CICS, REXX, Agile delivery, DevOps practices, and cloud environments (e.g., AWS).
Key Skills
  • Strong analytical and problem-solving skills.
  • Deep understanding of legacy technologies and application architecture.
  • Experience in decommissioning, migration, data archiving, and risk management.
  • Familiarity with Agile delivery, DevOps practices, and cloud environments (e.g., AWS).