COBOL / Mainframe Application Engineer

Must Have Technical/Functional Skills Core Mainframe Technologies • Strong hands-on experience with COBOL (batch and online programs) • Experience with JCL for batch job scheduling and execution • Proficiency in CICS for online transaction processing • Strong working knowledge of DB2 (SQL, performance tuning, data access) • Familiarity with VSAM files and datasets Mainframe Environment • Experience working on IBM z/OS environments • Understanding of batch processing, scheduling, and job monitoring • Experience with tools such as Endevor, Changeman, or similar SCM tools • Knowledge of debugging, performance tuning, and abend resolution Banking / Credit Union Systems • Experience working in financial services or credit union domains • Exposure to core banking systems (e.g., Hogan, FIS, Fiserv, or equivalent) • Understanding of transaction integrity, audit controls, and regulatory compliance Integration & Modernization (Good to Have) • Experience integrating mainframe systems with distributed or cloud platforms • Knowledge of APIs, MQ, file transfers, or middleware integrations • Exposure to modernization initiatives (COBOL refactoring, hybrid architectures) Roles & Responsibilities • Design, develop, enhance, and support COBOL-based mainframe applications • Perform impact analysis, coding, unit testing, and implementation of changes • Support mission-critical batch and online processing systems • Ensure application stability, performance, and availability in production • Troubleshoot and resolve production incidents, including root-cause analysis • Collaborate with business analysts, QA teams, and infrastructure partners • Participate in release management, change control, and audit activities • Maintain and enhance documentation, technical standards, and runbooks • Support regulatory, compliance, and security requirements specific to credit unions • Assist with modernization efforts and integration with newer platforms Generic Managerial Skills, If any • Equivalent practical experience in mainframe application development is acceptable Certifications are a plus: • IBM Mainframe / zOS certifications • Banking or Core Systems certifications (FIS, Hogan, etc.) Generic Managerial Skill: • Strong communication skills for interaction with business and IT stakeholders • Ability to work independently in a highly regulated, risk-aware environment • Mentoring junior developers and sharing mainframe best practices • Strong analytical and problem-solving skills • Experience working in Agile, Waterfall, or hybrid delivery models • Ownership mindset for production stability and service continuity 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 & Training Reimbursement. Time Off: Vacation, Time Off, Sick Leave & Holidays. Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. Salary Range: $130,000 - $160,000 a year

Created: 2026-03-13