Sr Mainframe Developer / Engineer II

Must be local to Columbus, Ohio AreaW2 only - No C2C or sponsorship available Senior Mainframe Developer responsible for designing, developing, and maintaining COBOL-based mainframe solutions. Works on complex enterprise systems, collaborates with cross-functional teams, and participates in Agile practices. Provides on‑call support for business and off‑hours.Key ResponsibilitiesDesign, develop, test, and implement mainframe solutions using COBOL, DB2, CICS, and JCLAnalyze system requirements and translate them into high‑quality technical deliverablesTroubleshoot, optimize, and enhance existing code within a high‑availability mainframe environmentParticipate actively in Agile ceremonies, contributing to sprint planning, refinement, and retrospectivesCollaborate cross‑functionally with engineering teams to ensure alignment on project goals and technical approachesSupport on‑call duties during business hours and off‑hoursQualifications7+ years of hands‑on experience with COBOL, DB2, CICS, and JCLStrong understanding of Agile SDLC methodologiesExcellent problem‑solving skills with the ability to work independently and collaborativelyExceptional communication skills, both verbal and writtenDemonstrated ability to work effectively within complex, large‑scale mainframe environmentsPreferred SkillsExperience with Azure or AWS cloud environmentsBackground working in both team‑driven and individual contributor rolesAbility to follow detailed instructions and process documentation