Mainframe/Data Platform Production Support Engineer (COBOL)

Fidelity Investments • Westlake, TX

3d • Onsite

About The Position

As a Mainframe/Data Platform Production Support Engineer, you will provide Level 3 support for critical enterprise data platforms and applications that power Workplace Investing. You will troubleshoot and resolve complex production issues across Mainframe and distributed environments, with a strong focus on COBOL, JCL, DB2, Oracle, and SQL-based platforms. Working closely with development, infrastructure, and database teams, you will perform root cause analysis, support data integrity, and help ensure the reliability and stability of business-critical systems that are used across the organization.

Requirements

• Bachelor's degree in Computer Science or a related field, or equivalent experience.
• 5+ years of experience supporting enterprise applications, data platforms, or production environments.
• Experience supporting Mainframe environments, including COBOL, JCL, DB2, CICS, and VSAM.
• Strong experience with Oracle and SQL, including data analysis, query development, troubleshooting, stored procedures, and data validation.
• Experience supporting enterprise batch processing and scheduling tools, preferably Control-M.
• Experience supporting data platforms, database-driven applications, and backend services utilizing SQL and REST APIs.
• Familiarity with DevOps practices, CI/CD pipelines, and tools such as Git, Bitbucket, and Jenkins.

Responsibilities

• Provide Level 3 support for critical enterprise data platforms and applications.
• Troubleshoot and resolve complex production issues across Mainframe and distributed environments.
• Focus on COBOL, JCL, DB2, Oracle, and SQL-based platforms.
• Perform root cause analysis.
• Support data integrity.
• Ensure the reliability and stability of business-critical systems.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level