Job Description

Lead PL/I Design and Development Consultant n

We require a highly experienced, hands‑on PL/I design and development consultant to provide technical leadership to the existing development team.

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Team comprises experienced former COBOL developers who have approximately three to four years’ experience developing and supporting the PL/I‑based ManTec application. The consultant will complement the team by bringing substantial experience from significant PL/I initiatives and deep expertise in complex application design, development, troubleshooting and performance tuning.

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This is not a production support, routine maintenance or general development capacity role . The consultant will lead complex technical analysis and design, work hands‑on with the code, provide technical assurance, and help the existing team resolve the most demanding engineering challenges.

Key Responsibilities n

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- Lead the technical analysis and detailed design of complex PL/I application changes.
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- Establish practical design and development approaches for the Phoenix solution.
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- Undertake hands‑on development of complex or high‑risk PL/I components.
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- Analyse large and complex existing PL/I codebases, including online, batch and integration processing.
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- Lead complex troubleshooting, root‑cause analysis and performance‑tuning activities.
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- Review technical designs and code produced by the development team.
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- Identify technical risks, design weaknesses and potential implementation issues.
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- Work collaboratively with the development team to resolve complex engineering problems.
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- Support technical estimation, development planning, testing, implementation and production‑readiness activities.
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- Provide technical leadership while strengthening the team’s PL/I capability through practical knowledge transfer.
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Mandatory Experience And Capabilities nn
- Extensive commercial experience designing and developing enterprise applications in PL/I on IBM mainframe platforms.
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- A career depth typically associated with 20 or more years of relevant mainframe application experience, preferably within banking, insurance or a similarly complex regulated environment.
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- Demonstrated experience delivering significant PL/I development, migration, remediation or modernisation initiatives.
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- Substantial hands‑on involvement across solution design, detailed technical design, build, testing, implementation, troubleshooting and tuning.
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- Deep technical knowledge of VSAM, including complex file structures, access patterns, performance, concurrency, integrity and recoverability.
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- Deep practical knowledge of IBM MQ, including application integration, message processing, exception handling, diagnostics and performance.
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- Demonstrated ability to understand and safely modify large, complex and potentially poorly documented legacy applications.
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- Strong diagnostic and problem‑solving capability across online, batch, data‑access and integration processing.
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- Experience providing hands‑on technical leadership, design assurance and code review within an established development team.
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- Ability to work effectively with experienced developers without duplicating responsibilities or operating purely as an adviser.
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- Robust written and verbal communication skills, including the production of clear technical designs and implementation guidance.
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Desirable Experience nn
- Good working knowledge of Db2, particularly for evaluating solution options or comparing Db2 and VSAM data‑access approaches.
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- Experience with CICS and high‑volume mainframe transaction‑processing applications.
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- Experience within banking, insurance or another highly regulated industry.
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- Experience with complex financial calculations, batch processing, reconciliation and regulatory processing.
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- Experience migrating or restructuring PL/I applications to remove a legacy database dependency.
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- Familiarity with mainframe performance‑monitoring, debugging and diagnostic toolsets.
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📌 Lead PL/I Design & Development Consultant (Sydney)
🏢 Xpt Software Australia
📍 Sydney