Mainframe Developer
(Utilities CIS Customer1)
Waltham, MA
they can work from any location of TCS office , or remote
Experience
5 8 years of experience as a mainframe application developer or senior support developer
Experience supporting Customer Information Systems (CIS) in a utility environment
Prior experience with Customer1 (C1) or similar utility CIS platforms
Technical Skills
Hands on development experience with:
o COBOL
o JCL
o CICS andor IMS
o DB2 on zOS
Experience supporting batch and online processing in production environments
Understanding of bill critical batch cycles and production schedules
Domain & Communication Skills
Strong understanding of utility billing and customer processes
Ability to translate business requirements into technical solutions
Effective communication with technical and non technical stakeholders
Strong quality focus and ownership mindset
Roles & Responsibilities
Design, develop, and enhance functionality within the Customer1 (C1) application
Implement business and regulatory requirements using standard mainframe development practices
Perform impact analysis and code changes related to:
Customer setup and maintenance
Billing, bill calculation, and invoicing
Adjustments, rebills, and billing exceptions
Provide L2L3 production support for Customer1 applications
Analyze and fix batch and online processing issues, including billingcritical failures
Support bill runs and ensure timely completion of customer and billing processes
Participate in root cause analysis and implement longterm fixes
Work closely with business analysts and functional teams to clarify requirements
Support testing phases (unit, system, UAT) and production releases
Maintain application documentation and technical artifacts
Follow defined change, release, and compliance processes
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