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Mainframe Developer

Brilliant Infotech Inc.Trenton, NJ🇺🇸United StatesPosted 12 Aug 2026

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Must Have Skills:

Cobol, CICS, testing, debugging, IBS OS/JCL, DB2, IDMS to DB2, Experience with Information Builders FOCUS

Job Description

We are looking for a Mainframe Developer to support the design, development, testing, maintenance, and production support of critical applications. This position will be a contract and hybrid, requiring candidates to work onsite two days per week.

  • Analyze business and system requirements and translate them into technical solutions

  • Develop and modify mainframe applications using COBOL, CICS, DB2, and JCL

  • Perform coding, component testing, assembly testing, debugging, and production support activities

  • Develop and maintain program specifications and technical documentation

  • Conduct unit testing and participate in system and user acceptance testing

  • Collaborate with business users and technical teams to ensure successful implementation of solutions

  • Support maintenance and enhancement efforts for existing applications

  • Participate in database conversion and modernization efforts as needed

  • Work under the direction of the Information Technology Office Project Manager or designated representative

Required:

  • Bachelor's degree or equivalent technical study

  • 5+ years of overall IT and application development experience

  • 5+ years of hands-on COBOL coding, testing, and debugging experience

  • 5+ years of IBM OS/JCL (MVS) experience

  • 5+ years of CICS development, testing, and debugging experience

  • 5+ years of IBM DB2 development, testing, and debugging experience

  • 5+ years of experience developing technical and user documentation

  • 5+ years of experience performing usability testing and participating in system testing with end users

  • 5+ years of experience developing and supporting stored procedures

  • Excellent verbal and written communication skills with the ability to collaborate effectively with technical and non-technical stakeholders

  • Ability to work independently and within cross-functional teams in a fast-paced environment

Preferred:

  • 5+ years of IDMS to DB2 conversion experience

  • 5+ years of IDMS/DC to CICS conversion experience

  • Experience with Information Builders FOCUS

  • Experience supporting large-scale government or judicial systems

  • Experience with legacy system modernization and database migration initiatives

Skills

Assembly
COBOL

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