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Mainframe Developer

CrescensTrenton, NJL5 SeniorSeptember 19th, 2026
Mainframe DeveloperLocation: Trenton, NJ (Hybrid) Duration: 6+ months Note: Hybrid position requiring local candidate to work Onsite 2X / week 4-year college degree or equivalent technical studyCandidate will be responsible for analysis, design, coding, component & assembly testing of all application code owned by the Application Team Contractor will be involved in maintenance (including production support)Contractor will be required to collaborate and provide technical expertise to the ITO and ATCSU unit to develop a technical solution to implement business/system requirements. All contractor personnel will be under the direct supervision of a Project Manager for the Client's Information Technology Office (ITO) or other designated ITO representative. The Mainframe consultant will develop and/or receive program specification requirements. These specifications will describe the coding to be done. Contractor will be required to deliver new or modified programs, successfully unit test their work, develop supportive documentation, and participate with the users in the system testing of their programs. Experience with database conversions is desired and helpful.Qualifications and SkillsHands-on experience in coding, testing and debugging programs written in COBOL/CICS/DB2.Experience with IBM OS/JCL (MVS) and IBM/DB2.Experience with CICSExperience in conversions for IDMS/DC to CICS, IDMS to DB2.Experience in Usability Testing (participate with the users in the system testing of programs)The candidate must have the ability to clearly and effectively communicate both written and oral with technical and non-technical personnel.ResponsibilitiesAttain a complete understanding of the Criminal Case Management system and additional Judiciary applications in order to develop from the business/system requirements.Develop and/or receive program specification requirements.Contractor will be required to deliver new or modified programs.Successfully unit test their work and system testing of programs with users.Develop supportive documentation.Required SkillsCOBOL Coding, testing & DebuggingIBM OS/JCL (MVS)CICS including Coding, testing & DebuggingIBM/DB2 including Coding, testing & debuggingExperience developing supportive documentationExperience in Usability Testing (participate with the users in the system testing of their programs)Excellent verbal and written communication skills with the ability to collaborate with internal and external groupsStored ProceduresOverall technical and IT experience 5 plus years4-year college degree or equivalent technical studyIDMS to DB2 ConversionIDMS/DC to CICS ConversionInformation Builders FOCUS experience