Overview
Skills
Job Details
Mainframe Developer
100% Remote
Key Responsibilities:
Analyze and document data system logic by interpreting COBOL programs, JCL, ADSO/IDMS programs, Bachman diagrams, and CICS definitions.
Extract and translate business and functional rules embedded within mainframe programs and third-party utilities.
Work closely with business teams to map how legacy systems support current federal and state requirements.
Maintain legacy systems while supporting modernization and system migration initiatives.
Deliver clear and comprehensive documentation to serve as a foundation for future system rewrites.
Participate in on-call rotations for nightly and weekend batch job support.
Provide accurate, timely status updates and adhere to quality standards.
Collaborate effectively in team environments and independently when needed.
Required Skills and Qualifications:
Minimum 10 years of hands-on IDMS development experience
Strong knowledge of COBOL, JCL, ADSO, CICS, DMLO, SYNCSORT, IDCAMS, and related mainframe tools/utilities
Proven experience in tracing and documenting legacy system logic and data flows
Excellent verbal and written communication skills
Strong attention to detail and ability to produce clear, high-quality documentation
Ability to work independently and take initiative in learning complex systems
Experience supporting mission-critical batch processes
Previous experience in Health & Human Services (HHS) is a plus