Tata Consultancy Services · 9 hours ago
Mainframe Developer
Charlotte, NC
Full-time
Onsite
Senior Level, Lead/Staff
$100K/yr - $120K/yr
8+ years expTata Consultancy Services is seeking a Mainframe Developer with extensive experience in mainframe-based development and integration. The role involves designing and troubleshooting high-throughput CICS applications, optimizing JCL, and ensuring compliance with regulatory standards while delivering solutions within Agile teams.
Business Information SystemsConsultingInformation TechnologyIT Management
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 cri teria 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
Qualification
Required
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.)
BACHELOR OF COMPUTER SCIENCE
Company
Tata Consultancy Services
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting.
10001+ employees
H1B Sponsorship
Tata Consultancy Services has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (7880)
2024 (9690)
2023 (8537)
2022 (11159)
2021 (9813)
2020 (11984)
Funding
Current Stage
Public CompanyTotal Funding
unknown2004-08-25IPO
Leadership Team
K. Krithivasan
Chief Executive Officer & Managing Director
Aarthi Subramanian
President and Chief Operating Officer
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