Senior Mainframe Systems Engineer- COBOL, Assembler 370, JCL, DB2
On-site · Durham, North Carolina, United States or Merrimack, New Hampshire, United States
Job Summary
Senior Mainframe Systems Engineer skilled in COBOL, Assembler 370, JCL, and DB2, to address business incidents and align Fidelity Recordkeeping applications with production and non-production environments. Responsibilities include researching and resolving abends, managing infrastructure changes, and ensuring reliability of Fidelity’s mainframe systems. Requires 5+ years in mainframe development/support, strong problem-solving and collaboration, and proficiency with core mainframe tools (COBOL, Assembler 370, JCL, DB2, VSAM, MVS, Endeavor, ISPF, TSO, EASYTRIEVE, CICS, Control-M, IBM utilities). Bachelor’s degree or equivalent practical experience; ability to learn quickly, communicate effectively, and triage production incidents. Certifications: none specified; deep expertise in mainframe tech stack and financial systems is essential.
Required Qualifications
- 5+ years of experience in mainframe development, enhancement, and support
- Proven production support experience within financial systems (required)
- Strong experience developing and maintaining applications in an MVS mainframe environment
- Hands-on experience with COBOL, Assembler 370, JCL, EASYTRIEVE, DB2, VSAM, MVS, Endeavor, ISPF, TSO, CICS, Control-M, and standard IBM utilities
- Experience in coding, testing, and implementing COBOL and Assembler 370 solutions
- Ability to quickly learn and understand complex processes through independent research
- Capable of working both independently and collaboratively within a team environment
- Strong written and verbal communication skills
- Ability to manage priorities and work efficiently to meet business deadlines
- Experience triaging and resolving production incidents
- Familiarity with COBOL/DB2 code reviews
- Experience with debugging tools (Intertest preferred)
- Working knowledge of Mainframe MQ and Azure Data Factory (ADF) pipelines is a plus
- Bachelor’s degree in a related field or equivalent practical experience required
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