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Senior Mainframe Developer

Full-time

PROLIM Corporation

Role Description

We are seeking an experienced Mainframe Developer Programmer Analyst 3 to support enterprise legacy system modernization and application development initiatives. The ideal candidate will have extensive experience developing, enhancing, and maintaining large-scale mainframe applications using COBOL, Natural, JCL, and DB2 technologies.

  • Support all phases of the Software Development Life Cycle (SDLC), including requirements analysis, application design, development, testing, troubleshooting, documentation, and production support.
  • Focus on integrating standardized data exchange processes into existing mainframe environments, modifying legacy applications, supporting batch processing workflows, and ensuring reliable system performance.

Key Responsibilities

  • Perform advanced mainframe application development and maintenance activities.
  • Develop, enhance, test, and debug COBOL, Natural, and JCL applications within enterprise mainframe environments.
  • Analyze business and technical requirements and translate them into effective system solutions.
  • Modify and optimize DB2 tables, schemas, and relational database structures.
  • Support integration of external data exchange streams into existing mainframe processing architectures.
  • Analyze and modify CICS/Map environments, runtime routines, and batch processing jobs.
  • Develop and support web service integrations using SOAP, REST, XML, and JSON technologies.
  • Perform application testing using data-driven development approaches.
  • Troubleshoot complex software, database, and system-related issues.
  • Conduct impact analysis and gap analysis on undocumented or highly customized legacy code.
  • Create and maintain technical documentation, specifications, and test cases.
  • Support system enhancements throughout the complete Software Development Life Cycle (SDLC).
  • Ensure compliance with programming standards, security requirements, and project objectives.
  • Support secure authentication and authorization implementations using enterprise frameworks.
  • Perform additional duties as assigned to support project initiatives.

Qualifications

  • 8+ years of experience developing, testing, and debugging COBOL, Natural, and JCL applications in large-scale mainframe environments.
  • 8+ years of experience working with DB2 tables, schemas, relational databases, and data integration.
  • 8+ years of experience with mainframe batch processing, scripting, CICS/Map environments, and runtime routines.
  • 8+ years of experience with Web API development including SOAP, REST, XML, and JSON integrations.
  • 8+ years of experience integrating external web-service data streams into legacy mainframe applications.
  • 8+ years of experience analyzing and modifying legacy application workflows and batch processing routines.
  • Strong knowledge of Software Development Life Cycle (SDLC) methodologies and application development practices.
  • Strong ability to test, debug, troubleshoot, and implement enterprise software applications.
  • Experience analyzing complex legacy code and performing impact analysis.
  • Experience with secure authentication and authorization technologies including LDAP, SAML, or OIDC.
  • Strong problem-solving skills with experience supporting production systems and enterprise applications.

Preferred Qualifications

  • Experience implementing or maintaining NASWA SIDES (State Information Data Exchange System) exchanges.
  • Experience supporting Additional Fact-Finding (ADF), Determinations and Decisions (DD), Monetary/Potential Charges (MPC), and Benefit Charges (BC) workflows.
  • Experience with SDLC and project tools such as Visio and ALM Octane.
  • Experience working with state or federal government systems.
  • Experience handling and securing sensitive Personally Identifiable Information (PII).
  • Experience implementing identity management solutions using Azure, Okta, LDAP, or Entra.

Interested Candidates

Please send your updated resume and contact details to: View email address on remotive.com

Vacancy posted 11 hours ago
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