Customer/1 CSS Developer

CTG is seeking an experienced Customer/1 CSS Developer to support a leading client in the energy and utilities industry. This role requires deep expertise in Customer/1 Customer Service Systems (CSS), with a strong focus on Service Orders, Billing, Finance, and Mainframe application development within IBM zOS environments. Location: Remot eDuration: 9 month sKey Responsibilitie • sAnalyze, design, develop, and support Customer/1 CSS applications and enhancements • .Develop and maintain Service Order, Billing, and Finance modules • .Perform coding, unit testing, regression testing, and deployment support • .Collaborate with business stakeholders and technical teams to troubleshoot and resolve application issues • .Support application lifecycle management, documentation, and production deployments • .Work within IBM Mainframe zOS environments using COBOL, JCL, DB2, SQL, and C .Required Skill • sDeep expertise with Customer/1 CSS applications • .Strong utility/energy industry experience • .Hands-on development experience with COBOL, JCL, DB2, SQL, and C • .Knowledge of IBM Mainframe zOS technologies including VSAM, REXX, and TSO/ISPF • .Strong understanding of Service Orders, Billing, and Finance functional areas • .Excellent analytical, troubleshooting, and communication skills .Nice to Hav • eExperience with JIRA, Xray, DBeaver, ITT, and Migtrax • .Familiarity with CICS, IMS-DC, IMS-DB, PL/1, or Assembler • .Experience supporting enterprise-scale utility systems .