Mainframe cobol db2 Developer Location : Remote 15+ Years experience

Role : Mainframe cobol db2 Developer

• Analyze requirements and produce practical technical designs for moderate to complex changes within established patterns/standards.
• Create and update design documentation (program specs, data mappings, flow diagrams) and walk through with stakeholders for approval.
• Recommend incremental improvements that align with existing architecture (no enterprise architecture ownership).

Coding & Configuration

• Develop and maintain programs using COBOL and/or Natural.
• Author and troubleshoot JCL for batch processes, job streams, and error handling.
• Build test scenarios and perform unit, system, and acceptance testing; document results.
  
• Participate in peer code reviews and apply feedback to improve quality.
  
• Maintain runbooks, deployment notes, and solution documentation.
  
• Provide production support in a rotational 247 on-call model; perform root-cause analysis and implement fixes.

Project & Team Collaboration

• Provide time and effort estimates for assigned work items and small enhancements; assist on estimates for moderate projects.
• Actively participate in Agile ceremonies (stand-ups, planning, reviews, retros).
• Document tickets, decisions, and work acceptance in team tools.
• Mentor peers informally on standards and procedures as needed (no formal people leadership).

Required Skills & Qualifications:

Technical

• Proficient in COBOL (maintenance and net-new development).
• Proficient in Natural (maintenance and net-new development).
• Strong working knowledge of JCL (batch authoring, scheduling handoff, troubleshooting).
• Experience with ADABAS and DB2 (queries, data analysis, understanding of performance basics).
• Familiarity with Oracle concepts and SQL tooling (e.g., PL/SQL Developer or equivalent).
• Comfortable with tools such as QMF, Visio (or equivalents) for data and design work.
• Solid testing discipline and defect management.

Communication & Delivery

• Strong technical writing (design docs, runbooks, change notes).
• Ability to explain technical concepts clearly to non-technical stakeholders.
• Detail-oriented, organized, and dependable follow-through.

Experience

• 15+ years of mainframe development in enterprise settings (or equivalent).
• Education

• Bachelor s degree in Computer Science, Information Systems, or related field