Mainframe Developer – COBOL/JCL on z/OS

Triunity Software, Inc.

New York (NY)

On-site

USD 90,000 - 140,000

Full time

14 days+

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Benefits offered by this job

Bonus based on performance

Health insurance

Training & development

Job summary

Triunity Software, Inc. in New York City, NY seeks a Mainframe Developer to join a growing team. You will work on cutting-edge legacy modernization and enterprise systems, applying COBOL, JCL, and related mainframe technologies in a collaborative environment.

The role emphasizes rigorous problem-solving, attention to detail, and effective communication with technical and non-technical stakeholders. This on-site position offers full-time employment with competitive benefits in a fast-changing

Qualifications

Bachelor's degree or equivalent experience.
Proven experience in mainframe development with proficiency in COBOL, JCL and VSAM.
Familiarity with IBM z/OS environments and tools such as ISPF and SDSF.
Experience with DB2, IMS or CICS is a strong plus.
Strong analytical and problem-solving skills; good communication.

Responsibilities

Design, develop, and maintain mainframe applications using COBOL, JCL, and related technologies.
Analyze and troubleshoot complex mainframe systems for performance and reliability.
Collaborate with cross-functional teams to gather requirements and deliver scalable solutions.
Perform code reviews, unit testing, and debugging of mainframe programs.
Support batch processing, job scheduling, and mainframe infrastructure operations.
Participate in system migrations, upgrades, and legacy modernization initiatives.
Document technical specifications, workflows, and system changes.