Engineer, Systems Engineer

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: $100,000 - $120,000 a year