Senior Mainframe Developer & Production Support

Responsibilities

• Design, develop, and deploy applications using COBOL, JCL, and DB2, ensuring high-quality and optimized performance.
• Maintain and enhance online and batch processing systems, working with VSAM files and DB2 databases.
• Provide L2/L3 production support, troubleshooting batch failures and resolving data inconsistencies.
• Manage batch job scheduling and monitoring using Tivoli Workload Scheduler.
• Collaborate with distributed systems teams for seamless integration and support of CICS transaction flows.
• Utilize code management tools for version control and ensure proper documentation and compliance.
• Mentor junior team members and participate in release planning and code reviews.

Skills

• Proven expertise in IBM Mainframe (z/OS) with strong skills in COBOL, DB2, and JCL.
• Experience in production support environments, with a focus on troubleshooting and incident management.
• Strong problem-solving abilities and excellent communication skills.
• Ability to work effectively under pressure in production environments.

Preferred Skills

• Experience with Hogan Banking System and mainframe modernization initiatives.
• Familiarity with Agile/Scrum methodologies and automation scripting for batch improvements.
• Proficiency in mentoring and leading technical discussions.

Benefits

At Horizontal, we offer competitive compensation and benefits including medical, dental, vision, and retirement.