Tata Consultancy Services

Mainframe Developer

Tata Consultancy Services$100K — $120K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science, engineering, information systems, or equivalent experience.
  • Hands-on experience with JCL, PL/I, COBOL, CICS, IMS DC/DB, IBM DB2, SQL Server, and REXX.
  • Background in production support, problem determination, and enhancement delivery in controlled environments.
  • Understanding of batch processing, online transaction processing, datasets, and job scheduling.
  • Ability to read legacy code, identify dependencies, and implement changes with minimal disruption.
  • Familiarity with SDLC, change management, and documentation practices.
  • Strong debugging, troubleshooting, and communication skills.

Responsibilities

  • Design and support applications on IBM mainframe technologies.
  • Develop and maintain COBOL and PL/I programs with JCL-based logic.
  • Work with CICS and IMS components for online processing.
  • Troubleshoot DB2 programs and SQL queries to enhance performance.
  • Support SQL Server reporting solutions within application ecosystems.
  • Utilize REXX for automation and productivity improvements.
  • Conduct root-cause analysis for production incidents and implement solutions.
  • Collaborate with teams to ensure application stability and performance improvements.

Benefits

  • Potential for career growth in a regulated enterprise environment.
  • Exposure to modernization initiatives in technology.
  • Collaboration with diverse teams across the organization.
  • Focus on continuous improvement and quality awareness.
Full Job Description
Position Summary - The Junior Technology Logistics Support Associate provides day-to-day technical support for technology equipment and systems within the logistics environment. This role serves as the first point of contact for IT-related incidents and service requests, ensuring timely resolution of technical issues to support business operations. The position also assists with system installations, monitors data center infrastructure, coordinates with internal and third-party support teams, and maintains inventory of technology assets.

Key Responsibilities
• Design, develop, enhance, test, and support applications built on IBM mainframe technologies.
• Develop and maintain batch and online programs using COBOL and/or PL/I with JCL-based scheduling and execution logic.
• Work with CICS transaction programs and IMS DC / IMS DB components for online and database processing.
• Develop, tune, and troubleshoot DB2-based programs, SQL queries, stored logic, and data access routines.
• Support interfaces or reporting solutions involving SQL Server where required in the application ecosystem.
• Use REXX and related tooling for automation, utilities, diagnostics, and productivity improvements.
• Perform root-cause analysis for production incidents, implement bug fixes, and support release / deployment activities.
• Participate in impact analysis, code reviews, unit testing, system testing support, and documentation updates.
• Collaborate with business analysts, testers, infrastructure teams, and downstream / upstream application teams.
• Contribute to application stability, performance improvements, technical debt reduction, and modernization-readiness activities.

Required Qualifications
• Bachelors degree in computer science, Engineering, Information Systems, or equivalent practical experience.
• Strong hands-on experience with JCL, PL/I, COBOL, CICS, IMS DC/DB, IBM DB2, SQL Server, and REXX.
• Experience in production support, problem determination, defect fixes, and enhancement delivery in a controlle d enterprise environment.
• Good understanding of batch processing, online transaction processing, datasets, file structures, job scheduling, and environment promotion.
• Ability to read and analyze legacy code, identify dependencies, and implement safe changes with minimal business disruption.
• Working knowledge of SDLC, change management, release processes, and documentation practices.
• Strong debugging, troubleshooting, and communication skills.

Preferred Skills
• Exposure to insurance, banking, or other high-volume regulated enterprise environments.
• Experience with source control, DevOps / deployment tooling, mainframe utilities, and job scheduling products.
• Familiarity with modernization initiatives such as API enablement, data extraction, service integration, or code refactoring.
• Knowledge of performance tuning, data reconciliation, and interface support across distributed systems.

Core Competencies
• Attention to detail in legacy environments
• Problem-solving under production timelines
• Team collaboration and communication
• Quality and risk awareness
• Continuous improvement mindset

Salary Range - CA$ 100,000 - CA$ 120,000 Per Year

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

About Tata Consultancy Services

Tata Consultancy Services (TCS) is an Indian multinational information technology (IT) services and consulting company, headquartered in Mumbai, Maharashtra, India. It is a subsidiary of Tata Group and operates in 149 locations across 46 countries. TCS is the largest Indian company by market capitalization and is ranked 11th on the Forbes Global 2000 list of the world's biggest public companies. TCS is also the second-largest IT services company in the world by revenue and the largest employer of women in India. The company provides services in areas including IT, consulting, and business solutions.
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