[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Tata Consultancy Services jobs](https://jobs.opennash.com/companies/tata-consultancy-services/) · [Search jobs](/search/) Tata Consultancy Services · Chicago, IL # Mainframe Programmer Chicago, IL $100,000-$110,000 Software Engineering Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since. [Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/417720J) [OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Mainframe Programmer ## Job description - Design, code, test, debug, document, maintain, and modify computer programs of high complexity, significance, and risk - Participate in application architecture functions including estimating and defining time tables, cost and project tasks - Recommend solutions to improve business with a focus on core architecture, technology strategies and standards - Guide others through change impact analysis - Establish, refine and integrate development and test environment tools and software as needed - Review, analyze, refine and integrate development and test environment tools and software as needed - Create and recommend improvements to unit, test plans and testing process based on assessment of organizational needs - Collaborate closely with teams in all stages of software development lifecycle including design, development and testing of the system - Design basic and detailed program specifications while ensuring that expected application performance levels are achieved by managing interfaces, service levels, standards, and configurations - Guide technical staff and business partners to investigate, review, and solve complex, multidisciplinary business problems - Monitor operating efficiency and organizational needs of existing application systems and identify opportunities to fine-tune and optimize applications of developed projects and recommend technical solutions - Demonstrate solid understanding of the business needs driving the projects Basic Qualifications: - 7+ years of experience with developing and implementing applications - 10 to 15 years of experience in Cobol, JCL,DB2 Preferred Skills/Experience: Cobol, JCL,DB2, CICS and VSAM development experience. Strong Endevor, FileManager, CA7, IDZ, GITLAB and TSO Development skills, Tool experience. - Excellent debugging skills - Good understanding of third-party dependency management and transitive dependency issues - Strong knowledge on DB2 database - Understanding of the software development life cycle/Agile development experience - Experience with implementation and release management activities - Good understanding of unit/system and functional testing methodologies - Experience working in large transaction-based systems -; Experience writing technical designs - Experience documenting technical functions - Strong Communication and good leadership skills - Have a strong ability and interest in working with a diverse range of technical and non-technical teams. - Strong proclivity to follow coding standards and execute a best practices approach in build processes. ### Nice to have - MQ knowledge Desired Skills: - Preferred Banking/credit cards domain knowledge - Quality leadership and mentoring skills - Ability to work under minimal supervision - Ability to foster strong collaboration among team members and multitask effectively - Ability to investigate and recommend best practices and process improvements - Detail oriented and able to debug complex errors. - Subject matter expert in: Programming, Implementation Salary Range- $100,000-$110,000 a year #LI-SP3 #LI-VX1