Mainframe (COBOL, JCL) Engineer

Key Responsibilities

• Design, develop, and maintain mainframe applications using COBOL, JCL, CICS, VSAM, and DB2.
• Analyze, troubleshoot, and resolve production issues to ensure uninterrupted operations.
• Write, modify, and optimize JCL scripts for batch processing and automation.
• Work with DB2 databases: develop queries, optimize performance, and maintain data integrity.
• Participate in system modernization projects, integrating mainframe systems with cloud or distributed platforms.
• Collaborate with business analysts and functional teams to understand requirements and deliver technical solutions.
• Perform code reviews, testing, and debugging to ensure software quality and compliance.
• Support migration, upgrade, and disaster recovery planning.
• Document processes, solutions, and best practices for ongoing knowledge sharing.

Requirements

• 5+ years of experience in Mainframe development and support.
• Strong programming knowledge in COBOL, JCL, CICS, VSAM, and DB2.
• Experience with batch and online processing in large-scale enterprise systems.
• Familiarity with utilities (SORT, IDCAMS, IEBGENER, DFSORT, etc.).
• Knowledge of mainframe testing and debugging tools (Expeditor, Abend-Aid, File-Aid).
• Understanding of software development lifecycle (SDLC), Agile/Waterfall methodologies.
• Strong analytical and troubleshooting skills, with experience in production support.
• Excellent communication skills, able to work with cross-functional teams in a remote setup.

Preferred Qualifications (Nice to Have)

• Experience in mainframe-to-cloud migration projects (AWS Mainframe Modernization, Azure, GCP).
• Exposure to API integration with mainframe applications (REST, SOAP, MQ).
• Knowledge of Rexx scripting or Assembler.
• Experience in regulated industries (finance, healthcare, telecom, government).
• Familiarity with DevOps tools for mainframe (Endevor, Changeman, Git for Mainframe).

Location

• Remote in EU

Benefits

• Employment Type: Full-Time, B2B Contract
• Start Date: ASAP

Category

Software Development