[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 · Jacksonville, FL # Mainframe Engineer Jacksonville, FL $100,000- $110,000 Operations 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/419380J) [OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Mainframe Engineer ## Job description ### Preferred Qualifications - Support and enhance Business applications on IBM z/OS - Analyze Business Requirements and convert them into Technical design documents - Develop and maintain programs using Cobol,JCL,DB2, Files and IMS DB/DC - Work on Application Changes, Performance Improvements and Data Analysis - Perform coding, unit testing, debugging and production incident support. - Collaborate with Business Analysts, QA and Cross functional teams to deliver solutions - Provide clear communication on progress, risks and technical options - Participate in Team oriented delivery. Ensuring quality and timely outputs. - Document Solutions, follow coding standards and support knowledge sharing, - Contribute ideas for process improvements, automation and application optimization. ### Experience Required ### Salary Range $100,000- $110,000 a year TCS Employee Benefits Summary: Discretionary Annual Incentive. ### Comprehensive Medical Coverage Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. ### Family Support Maternal & Parental Leaves. ### Insurance Options Auto & Home Insurance, Identity Theft Protection. ### Convenience & Professional Growth Commuter Benefits & Certification & amp; Training Reimbursement. ### Time Off Vacation, Time Off, Sick Leave & Holidays. ### Legal & Financial Assistance Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. #LI-SP1