Mainframe Developer

Zensar Technologies; Bengaluru; On-site; INR 1,400,000 - 2,000,000; Full time

Job summary

Zensar Technologies in Bengaluru is seeking an experienced Mainframe Developer with 5 to 6 years hands-on experience to design, develop, test, and support enterprise mainframe applications using COBOL, DB2, JCL, and VSAM. The role covers production support, performance tuning, and involvement in modernization initiatives.

You will work with Endevor/Changeman/ISPW and mainframe utilities (SORT, IDCAMS, IEBGENER, DFSORT) and collaborate with cross-functional teams to deliver reliable, scalable

Qualifications

• 5 to 6 years of relevant experience in Mainframe Application Development and Support.
• Experience in developing and supporting batch and online mainframe applications.
• Knowledge of Mainframe Utilities such as SORT, IDCAMS, IEBGENER, and DFSORT.

Responsibilities

• Analyze business requirements and translate them into technical design and development solutions.
• Develop, enhance, test, and maintain mainframe applications using COBOL, DB2, JCL, and VSAM.
• Design and develop efficient DB2 SQL queries, stored procedures, and database access modules.
• Create and modify batch jobs, job streams, and utilities using JCL.
• Develop and maintain VSAM files, file processing programs, and data conversion utilities.
• Perform unit testing, integration testing, and support User Acceptance Testing (UAT).
• Investigate and resolve production issues, including performance tuning and root cause analysis.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Prepare technical documentation, program specifications, and operational procedures.
• Support application modernization and transformation initiatives where applicable.

Skills

COBOL

DB2

JCL

VSAM

Endevor

Changeman

ISPW

DFSORT

IDCAMS

IEBGENER

IMS DB/DC

DB2 SQL

Tools

Endevor

Changeman

ISPW

DB2 SQL

IDCAMS

IEBGENER

DFSORT

Job description

JOB DESCRIPTION

We are seeking a skilled and motivated Mainframe Developer with 5 to 6 years of hands‑on experience in developing, maintaining, and supporting enterprise mainframe applications. The ideal candidate should have strong expertise in COBOL, DB2, JCL, and VSAM, with a solid understanding of mainframe development life cycles, production support, and troubleshooting. Exposure to IMS DB/DC is highly desirable and will be considered an added advantage.

Key Responsibilities

• Analyze business requirements and translate them into technical design and development solutions.
• Develop, enhance, test, and maintain mainframe applications using COBOL, DB2, JCL, and VSAM.
• Design and develop efficient DB2 SQL queries, stored procedures, and database access modules.
• Create and modify batch jobs, job streams, and utilities using JCL.
• Develop and maintain VSAM files, file processing programs, and data conversion utilities.
• Perform unit testing, integration testing, and support User Acceptance Testing (UAT).
• Investigate and resolve production issues, including performance tuning and root cause analysis.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Prepare technical documentation, program specifications, and operational procedures.
• Support application modernization and transformation initiatives where applicable.

Required Technical Skills

• Strong hands‑on experience in: COBOL
• Strong hands‑on experience in: DB2
• Strong hands‑on experience in: JCL
• Strong hands‑on experience in: VSAM
• Experience in developing and supporting batch and online mainframe applications.
• Proficiency in DB2 SQL programming, query optimization, and database design concepts.
• Good understanding of file processing, debugging, and performance tuning.
• Experience with Endevor, Changeman, ISPW, or similar source control/version management tools.
• Knowledge of Mainframe Utilities such as SORT, IDCAMS, IEBGENER, and DFSORT.
• Experience in production support and incident management.

Good to Have

• Exposure to IMS DB and/or IMS DC.
• Experience with CICS development.
• Knowledge of MQ Series integration.
• Exposure to Agile/Scrum methodologies.

Familiarity with mainframe modernization or cloud integration initiatives

Qualifications

• 5 to 6 years of relevant experience in Mainframe Application Development and Support.

Required Competencies

• Strong analytical and problem‑solving skills.
• Excellent debugging and troubleshooting abilities.
• Good communication and stakeholder management skills.
• Ability to work independently as well as in a collaborative team environment.

IMS DB/DC knowledge will be considered a strong advantage for this role.

About Us

At Zensar, we’re experience‑led everything. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well‑being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.