Senior IBM Z/TPF Software Engineer Job at Neshent Technologies, Washington DC

  • Neshent Technologies
  • Washington DC

Job Description

Job Summary

Seeking a Senior IBM z/TPF Software Engineer with 8+ years of experience developing, maintaining, and troubleshooting high-volume transaction-processing applications using HLASM/Assembler. The role focuses on application development, production debugging, root-cause analysis, system internals, and performance optimization.

Key Responsibilities
  • Develop, maintain, and support IBM z/TPF applications using HLASM/Assembler.
  • Troubleshoot production issues using z/TPF Toolkit, debuggers, dump analysis, and diagnostic tools.
  • Analyze ECB processing, registers, storage, work areas, control blocks, flags, and transaction flows.
  • Support TPFDF records, ordinals, chain records, and database access logic.
  • Perform root-cause analysis and implement production-safe fixes.
  • Trace complex assembler code and macro-generated processing flows.
  • Conduct code reviews, mentor developers, and collaborate with architects and business teams.
  • Prepare technical documentation and support testing, deployments, and post-release validation.
Required Qualifications
  • Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience.
  • 8+ years of IBM z/TPF and HLASM/Assembler experience.
  • Strong knowledge of z/TPF architecture, ECB processing, storage management, and transaction processing.
  • Experience with production debugging, dump analysis, and diagnostic utilities.
  • Experience with high-volume transaction systems such as airline, transportation, reservation, ticketing, inventory, or logistics.
  • Familiarity with Git, Jira, and Agile/Scrum.
Preferred Qualifications
  • Experience with TPFDF and file/record structures.
  • C and C/Assembler integration experience.
  • Familiarity with z/OS, TSO/ISPF, and JCL.
  • Experience modernizing and optimizing legacy assembler applications.

Job Tags

Contract work

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