Mainframe Developer / Programmer Analyst III

Mainframe Developer / Programmer Analyst IIILocation: Austin, TX (Remote/Telework Eligible per TWC Policy)Must work inside the US only. Duration: Through August 31, 2027GC/USCJob SummaryClient is seeking an experienced Mainframe Developer/Programmer Analyst III to support the implementation of NASWA SIDES (State Information Data Exchange System) integrations. The role involves full SDLC activities including requirements analysis, design, development, testing, deployment, and support of enterprise mainframe applications using COBOL, Natural, JCL, DB2, and web service integrations.Required Skills8+ years of hands-on experience with COBOL, Natural, JCL, and IBM Mainframe developmentStrong experience with DB2 database design, development, and optimizationExperience with CICS/Map environments, batch processing, and runtime job modificationsKnowledge of SOAP, REST APIs, XML, and JSON integration with legacy systemsExperience implementing authentication solutions using LDAP, SAML, or OIDCStrong understanding of SDLC, software design, testing, debugging, and deploymentExperience analyzing and enhancing complex legacy applicationsAbility to troubleshoot production issues and perform impact analysisKey ResponsibilitiesDesign, develop, test, and maintain enterprise mainframe applications.Integrate NASWA SIDES exchanges with existing legacy systems.Develop COBOL, Natural, JCL, and DB2 solutions.Analyze business requirements and create technical specifications.Modify batch jobs, online screens, and database structures.Develop and consume SOAP/REST web services.Perform unit, integration, and system testing.Troubleshoot production issues and support ongoing enhancements.