Legacy System Migration Specialist

14 hours ago

Sydney, New South Wales, Australia beBeeMainframe Full time $120,000 - $180,000
Job Overview

We are seeking an experienced Mainframe Legacy Expert to join our team. As a key member of our organization, you will play a crucial role in the stability, optimization, migration, and strategic decommissioning of legacy applications.

This position offers a unique opportunity to leverage your technical expertise and analytical capabilities to support the integration with modern platforms and contribute to shaping a world where people and communities thrive.

Key Responsibilities
  • Legacy Application Expertise
    • Analyze and document legacy applications (e.g., mainframes, COBOL, older databases).
    • Maintain application performance, reliability, and security.
    • Troubleshoot and resolve complex technical issues.
  • Technical Analysis & Architecture Awareness
    • Demonstrate curiosity and a proactive approach to understanding application functionality and technical constraints.
    • Interpret requirements and translate them into actionable technical outcomes.
    • Understand and map technology architecture, including data flows, dependencies, and integration points.
    • Lead or support the technical decommissioning of legacy applications, including identifying dependencies and operational impacts.
    • Collaborate with infrastructure, security, and data teams to plan and execute safe shutdowns.
    • Ensure archival of critical data and governance compliance.
    • Document decommissioning steps, risks, and mitigation strategies.
  • Migration to Modern Platforms
    • Support the migration of legacy applications to modern platforms and technologies.
    • Participate in planning and execution of migration activities, including data mapping, testing, and cutover strategies.
    • Collaborate with architecture and engineering teams to align with target state platforms (e.g., cloud-native, SaaS).
    • Validate migrated applications for performance, security, and functionality.
    • Contribute to post-migration support and continuous improvement.
  • Governance & Compliance
    • Ensure applications meet regulatory obligations and internal governance standards.
    • Maintain audit trails and support risk mitigation efforts.
    • Work cross-functionally with product owners, developers, testers, architects, and operations teams.
    • Communicate technical concepts clearly across diverse teams.
    • Coach and mentor junior analysts or team members.
  • Mainframe Technical Expertise
    • COBOL/FORTRAN/PL1/Assembler – experience in at least 2
    • JCL (Job Control Language)
    • CICS
    • REXX
Requirements
  • 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).
  • Excellent communication, stakeholder engagement, and documentation skills.
  • Passion for learning and exploring how technology can solve complex challenges.
  • Proficiency or growth in areas such as software, infrastructure, cloud, and data engineering; security and site reliability engineering; and QA/support engineering.
Benefits
  • Large tech company with offices in multiple countries.
  • Opportunity to work with colleagues across the globe in a virtual environment.
  • Comprehensive benefits package.
  • Certified great place to work.
About Us

We value diversity and equality in the workplace and encourage applications from all qualified candidates.

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