What are the responsibilities and job description for the Senior Mainframe Developer position at Hirekeyz?
Job Title: Senior Mainframe Developer
Location : Tampa, FL (5 Days Onsite)
Job Type: W-2/Full Time
Exp-10 Years
Role Overview
We are seeking a highly experienced Mainframe Developer with deep expertise in COBOL, CICS, DB2, and JCL to support and enhance mission-critical applications. The candidate will play a key role in development, maintenance, production support, and modernization initiatives in a high-volume enterprise environment.
Key Responsibilities
- Design, develop, test, and maintain mainframe applications using COBOL, CICS, DB2, and JCL
- Analyze business requirements and translate them into technical specifications
- Perform impact analysis and support system enhancements and upgrades
- Develop and optimize DB2 SQL queries, stored procedures, and performance tuning
- Handle production support, incident resolution, and root cause analysis
- Work on batch and online (CICS) processing systems
- Prepare functional and technical design documents
- Collaborate with cross-functional teams including QA, business analysts, and infrastructure teams
- Participate in code reviews, testing (unit, integration, UAT), and deployment activities
- Ensure adherence to coding standards, security policies, and SLA commitments
Required Technical Skills
- Strong hands-on experience in:
- COBOL (Structured & Object-Oriented)
- CICS (Customer Information Control System)
- DB2 (SQL, Stored Procedures, Performance Tuning)
- JCL (Job Control Language)
- Experience with:
- VSAM, IMS (optional but preferred)
- Mainframe utilities (SORT, IDCAMS, IEBGENER)
- Debugging tools like Expeditor, Abend-AID
- Knowledge of:
- Batch processing and scheduling tools (e.g., Control-M, CA-7)
- Version control tools (Endevor, Changeman)
- Familiarity with mainframe modernization or API integration is a plus
Soft Skills
- Strong analytical and problem-solving skills
- Excellent communication and stakeholder management
- Ability to work in a fast-paced production support environment
- Team player with mentoring capabilities
Preferred Qualifications
- Bachelor s degree in Computer Science, Information Technology, or related field
- Experience in banking, financial services, or insurance domains
- Exposure to Agile/Scrum methodologies
- Experience in modernization initiatives (Mainframe to distributed/cloud)
Nice to Have
- Knowledge of REST APIs, Microservices integration with mainframe
- Experience with DevOps tools and CI/CD pipelines for mainframe
- Exposure to tools like z/OS Connect, IBM MQ