Client is seeking a highly skilled Sr. Mainframe Engineer to join the R4 Responsive Security Master team within Brokerage Recordkeeping Technology. This role supports mission-critical reference data and pricing systems that serve millions of customers. The engineer will work in a hybrid environment, maintaining and enhancing high-volume production platforms across both mainframe and distributed systems. The role emphasizes production stability, incident remediation, application enhancements, and continuous improvement.
Key Responsibilities
- Design, develop, maintain, and support large-scale mainframe applications in a high-availability production environment
- Provide senior-level production support, including incident investigation, root cause analysis, and remediation
- Perform application enhancements and system optimizations to improve performance, reliability, and scalability
- Integrate mainframe applications with distributed systems and cloud-based services
- Deploy and support software releases across environments following SDLC and change management processes
- Execute component-level testing and support end-to-end testing efforts
- Apply best practices in software lifecycle management, coding standards, and design patterns
- Collaborate closely with business partners, architects, and cross-functional engineering teams
- Participate in continuous improvement initiatives and modernization efforts
- Ensure system reliability, data integrity, and compliance with enterprise standards
Required Qualifications
- Bachelor’s degree in Computer Science or a related field, or equivalent professional experience
- Strong hands-on experience in mainframe development and support
Advanced proficiency in:
- COBOL
- CICS
- VSAM
- JCL
- Mainframe utilities, FileAid, Endevor, schedulers, and debugging tools
- Extensive experience with DB2 and strong command of SQL
- Solid understanding of testing methodologies and production release processes
- Proven ability to troubleshoot complex systems in a fast-paced production environment
Technical Skills
- Mainframe Technologies: COBOL, CICS, VSAM, JCL
- Databases: DB2, Oracle, SQL
- Cloud / Distributed: AWS (support experience preferred)
Preferred / Nice to Have
- Experience with distributed systems and cloud computing
- Working knowledge of Java
- Relevant certifications in mainframe or distributed technologies
Soft Skills
- Strong analytical and problem-solving skills
- Excellent verbal and written communication abilities
- Ability to collaborate effectively across technical and business teams
- Comfortable implementing complex solutions in a dynamic, high-volume environment