Mainframe Developer

Ethereum Technologies LLC; Austin (TX); On-site; USD 100,000 - 140,000; Full time

Job summary

Ethereum Technologies in Austin, TX seeks a skilled Mainframe Developer to design, build, and sustain enterprise mainframe apps. The role emphasizes hands-on COBOL, JCL, VSAM, and DB2 expertise.

You will analyze requirements, implement changes, support batch and online processing with CICS, fix abends, ensure data integrity, and collaborate with analysts, QA, and distributed teams.

Qualifications

• Hands-on COBOL development experience.
• Deep knowledge of JCL and mainframe file handling.
• Proficiency with VSAM data sets and DB2 database access.
• Experience with CICS transactional processing and batch jobs.
• Strong debugging, abend analysis, and production support skills.

Responsibilities

• Analyse business requirements and translate them into technical designs.
• Develop, test, and maintain COBOL/JCL/VSAM/DB2 applications.
• Perform enhancements, bug fixes, and production support.
• Support batch and online processing using CICS.
• Debug and resolve abends and system issues.
• Ensure data integrity and application reliability.
• Collaborate with business analysts, QA, and distributed teams.
• Participate in code reviews, documentation, and coding standards.
• Support system integrations, migrations, and modernization initiatives.

Skills

JCL

DB2

VSAM

CICS

Mainframe batch and online processing

Debugging & abend resolution

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: USC, GC, H-1B, OPT-EAD, GC-EAD, H4-EAD

Job Summary

Seeking a skilled Mainframe Developer to develop, maintain, enhance, and support enterprise mainframe applications. The ideal candidate should have strong hands-on experience with COBOL, JCL, VSAM, and DB2.

Key Responsibilities

• Analyse business requirements and translate them into technical designs.
• Develop, test, and maintain applications using COBOL, JCL, VSAM, and DB2.
• Perform application enhancements, bug fixes, and production support.
• Support batch and online processing using CICS.
• Debug and resolve abends and system issues.
• Ensure data integrity and application reliability.
• Collaborate with business analysts, testing, and distributed teams.
• Participate in code reviews, documentation, and coding standards.
• Support system integrations, migrations, and modernization initiatives.

Required Skills

• JCL
• DB2 – Mainframe Application Development
• VSAM
• CICS
• Mainframe batch and online processing
• Debugging, abend resolution, and production support

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.