Mainframe Developer

Must Have Technical/Functional Skills
• 8+ years of experience in Mainframe based development and integration
• Strong hands-on with COBOL for core banking systems (deposits, loans, GL, payments), including file/DB processing, copybooks, and error handling.
• Expert in crafting/optimizing JCL, cataloged procedures, restart/recovery, conditional steps, and data manipulation with SORT utilities.
• Designing and troubleshooting high-throughput CICS applications (comm areas, TSQs/TDQs, pseudo-conversational design, MAPs/BMS, threadsafe considerations).
• Data modeling, SQL tuning (EXPLAIN, indexing strategies), concurrency control, packages/binds, stored procedures, and plans for EOD/EOM heavy workloads.
• Access models, dataset/database protection, least-privilege, MFA integration, and audit readiness for regulators.
• Batch Scheduling (Control-M/CA-7) Building complex job streams, calendars, dependencies, SLAs, reruns/restarts, critical path monitoring for narrow batch windows.
• MQ design (queues, channels), message persistence, dead-letter handling; understanding ISO 8583 (cards) and ISO 20022 (payments).
• Secure coding, logging/audit trails, PII handling, encryption/tokenization, retention rules, and evidencing controls.
• Reading SMF/RMF, CICS/DB2 performance dashboards, detecting contention, tuning CPU/IO, and capacity planning.
• File Transfer & Data Exchange Connect:Direct (NDM), SFTP/FTPS, encryption (PGP), large file handling, file integrity checks, and partner data onboarding.
• Exposing mainframe assets through z/OS Connect EE (REST/JSON), service wrappers, contract-first design, and hybrid integration patterns.
• Impact analysis, segregation of duties, change advisory records, incident/problem management, and clean cutover/backout practices.
• Good experience with ETL processing • Candidate should have good analytical & problem solving skills.
• Candidate should be able to fully debug their own code as well as others, troubleshoot defects and have a human centric approach to the user experience.
• Experience working in Agile teams
• Demonstrates best in class design and solution patterns
• Experience with Horizon CI/CD platforms (Jira, bitbucket, Jenkins, Artifactory, Ansible, etc.,)

Roles & Responsibilities
• Building the solution right
• Design develops and is accountable for mainframe based story delivery within each sprint
• Applies enterprise standards and design patterns for solution design , coding and quality
• Ensures solution meets product acceptance criteria with minimal technical debt
• Participates with team members to drive best practices (peer reviews and other engineering practices)
• Attends team ceremonies and contributes to planning, estimation and design sessions
• Vocalizes risks in timely manner and escalates appropriately

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: $110,000 - $115,000 a year