RibbitZ LLC · 1 day ago
Senior Mainframe Developer
RibbitZ LLC is seeking a highly experienced Mainframe Developer with 12+ years of hands-on experience in enterprise environments. The role involves designing, developing, testing, and maintaining mainframe applications while providing production support and collaborating with cross-functional teams.
ConsultingSoftwareInformation TechnologyWeb Development
Responsibilities
Design, develop, test, and maintain mainframe applications
Provide Level 2/Level 3 production support for critical business systems
Perform system analysis, debugging, and root cause analysis
Optimize performance and ensure system reliability and stability
Work closely with business analysts, QA teams, and infrastructure teams
Support batch processing, job scheduling, and system integrations
Participate in code reviews and ensure adherence to enterprise standards
Assist in modernization or migration initiatives where applicable
Qualification
Required
12+ years of experience in Mainframe development
Strong expertise in COBOL
Strong expertise in JCL
Strong expertise in DB2
Strong expertise in VSAM
Strong expertise in CICS
Experience with batch processing and online transaction systems
Hands-on experience in production support environments
Strong debugging and performance tuning skills
Experience with Change Management and Release processes
Excellent analytical and problem-solving abilities
Strong communication and stakeholder interaction skills
Preferred
Experience in financial services, insurance, or public sector environments
Exposure to mainframe modernization initiatives
Familiarity with tools such as Endevor, Control-M, or similar
Experience working in Agile/Scrum environments