Lenmar Consulting Inc.-posted 7 months ago
Jersey City, NJ
501-1,000 employees

We are seeking 1-2 experienced consultants to support the modernization of legacy mainframe applications. The ideal candidates will have strong expertise in COBOL and JCL, with proven experience analyzing, translating, and re-platforming mainframe logic to modern cloud-based data platforms such as Databricks. This role will play a key part in transforming legacy data processing systems into scalable, cloud-native solutions.

  • Analyze existing COBOL and JCL code to extract business logic and data workflows.
  • Translate and re-engineer legacy processes using Databricks (PySpark, SQL, Delta Lake).
  • Document system behavior and technical design for modern implementation.
  • Work closely with architects, analysts, and developers to ensure accurate migration.
  • Conduct unit testing, validation, and performance tuning of modernized code.
  • Provide documentation and knowledge transfer for ongoing support.
  • 5+ years of experience with COBOL and JCL in a mainframe environment (e.g., z/OS).
  • 2+ years of hands-on experience with Databricks, PySpark, and Delta Lake.
  • Strong understanding of data migration and legacy modernization best practices.
  • Proficiency with SQL and modern data engineering workflows.
  • Ability to reverse-engineer and refactor legacy systems for cloud platforms.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and collaboration abilities.
  • Experience with cloud platforms (Azure, AWS, or GCP).
  • Familiarity with mainframe data sources (e.g., VSAM, flat files).
  • Knowledge of job scheduling tools (e.g., Control-M).
  • Background in financial services, insurance, or other legacy-heavy industries.
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