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:** Remote
**Duration:** 9 months

**Key Responsibilities**

+ Analyze, 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 Skills**

+ Deep expertis...