Mainframe Engineer

We are seeking a skilled Mainframe Engineer to support, maintain, and enhance enterprise applications running on IBM z/OS. The ideal candidate should have strong experience in COBOL, JCL, DB2, IMS DB/DC, and mainframe technologies, with the ability to analyze business requirements, develop technical solutions, and provide production support in a collaborative environment.

Required Technical Skills

• Strong experience with IBM z/OS environment.
• Proficiency in COBOL, JCL, DB2, VSAM/Files, and IMS DB/DC.
• Experience in application development, enhancement, and maintenance.
• Knowledge of production support, incident resolution, and root cause analysis.
• Experience with unit testing, debugging, and code optimization.
• Strong understanding of SDLC and coding standards.
• Ability to analyze business requirements and prepare technical design documents.
• Good analytical, problem-solving, and communication skills.
• Experience working in Agile or collaborative delivery teams is preferred.

Required Experience

• 4–8 years of experience in Mainframe application development and support.
• Hands-on experience supporting and enhancing applications on IBM z/OS.
• Strong development experience using COBOL, JCL, DB2, IMS DB/DC, and VSAM/File processing.
• Experience in application change requests, performance tuning, and data analysis.
• Proven experience in production support, incident troubleshooting, and defect resolution.
• Ability to work with cross-functional teams, including Business Analysts, QA, and stakeholders.
• Experience documenting technical designs, solutions, and operational procedures.

Roles and Responsibilities

• Support, maintain, and enhance business-critical applications running on IBM z/OS.
• Analyze business requirements and translate them into detailed technical design documents.
• Design, develop, test, and maintain applications using COBOL, JCL, DB2, IMS DB/DC, and VSAM/File processing.
• Implement application enhancements, bug fixes, and performance improvements.
• Perform coding, unit testing, debugging, and support system integration activities.
• Provide production support by investigating and resolving incidents within SLA timelines.
• Perform root cause analysis and implement preventive solutions for recurring issues.
• Collaborate with Business Analysts, QA teams, architects, and other stakeholders to deliver high-quality solutions.
• Communicate project status, technical risks, dependencies, and solution options effectively.
• Ensure adherence to coding standards, development best practices, and quality processes.
• Prepare and maintain technical documentation, design documents, and knowledge articles.
• Identify opportunities for process improvements, automation, and application optimization.
• Participate in code reviews, knowledge-sharing sessions, and continuous improvement initiatives.

Preferred Qualifications

• Experience with IBM utilities and debugging tools.
• Exposure to Change Management and Release Management processes.
• Familiarity with scheduling tools such as Control-M or CA-7.
• Knowledge of source code management tools such as Endevor or Changeman.
• Experience working in Agile/Scrum environments.
• Strong interpersonal, analytical, and communication skills.