Mainframe developer
Primary Skills ETL Fundamentals, Mainframe, SQL, PostgreSQL, DB2, COBOL
We are seeking an experienced Senior Mainframe Engineer to design, develop, maintain, and support enterprise-scale mainframe applications and systems. The adecuado candidate should possess strong expertise in COBOL, JCL, CICS, DB2, VSAM, IMS, and related mainframe technologies, along with excellent problem-solving and stakeholder management skills.
Key Responsibilities Design, develop, test, and maintain mainframe applications. Develop and support batch and online applications using COBOL, JCL, CICS, and DB2. Perform code reviews, debugging, performance tuning, and optimization. Support production incidents, root cause analysis, and issue resolution. Collaborate with business analysts, architects, QA teams, and project stakeholders.



Ensure adherence to coding standards, security policies, and best practices.
COBOL JCL CICS DB2 VSAM IMS MQ Series TSO/ISPF Experience with production support and incident management. Knowledge of SDLC, Agile methodologies, and DevOps practices. Preferred Skills Mainframe modernization and cloud migration exposure. Qualifications Bachelor's degree in Computer Science, Information Technology, or related field. 6+ years of experience in Mainframe Development/Engineering. Proven experience delivering enterprise-scale applications and production support.
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📌 Mainframe Developer Mainframe Developer (México)
🏢 Brillio
📍 México