Mainframe Modernization - CSS Billing SME

**About US:** We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience for our clients and employees. We are committed to continuous improvement and innovation, and we are always looking for ways to improve our services and solutions. We believe in working **collaboratively** with our clients and employees to achieve success.

DS Technologies Inc is looking for **Mainframe Modernization - CSS Billing SME** rolefor one of our premier clients.

**Job Title: Mainframe Modernization - CSS Billing SME**

**Location: Remote**

**Position Type: Contract**

**Only W2**

**Job Description:**

We are seeking an experienced **CSS Billing Subject Matter Expert (SME)** to support **Mainframe Modernization initiatives** for a large **Energy & Utilities** client. The ideal candidate will bring deep functional and technical expertise in **Customer/1 (CSS) Billing systems** and **Mainframe technologies**, with a strong understanding of utility billing processes.

**Key Responsibilities:**

• Act as the **CSS Billing SME** for Mainframe Modernization programs
• Provide deep expertise in **Customer/1 (CSS) Billing** within Energy & Utilities
• Analyze existing **mainframe COBOL-based billing applications** and support modernization efforts
• Collaborate with business stakeholders, architects, and technical teams to define billing requirements
• Support impact analysis, system documentation, and functional design during modernization
• Assist in data mapping, billing logic validation, and testing activities
• Ensure accurate translation of legacy billing rules into modern platforms
• Provide guidance on best practices for utility billing and regulatory compliance

**Required Skills & Experience:**

• Strong experience as a **CSS Billing SME** in **Energy & Utility Billing**
• Hands-on experience with **Customer/1 (CSS)**
• Solid background in **Mainframe technologies**, including **MF COBOL**
• Strong understanding of utility billing processes (rates, usage, invoices, adjustments)
• Experience supporting **Mainframe Modernization or Legacy Transformation** initiatives
• Excellent communication and stakeholder management skills

**Nice to Have:**

• Experience with **National Grid** or similar utility providers
• Exposure to cloud or modern billing platforms
• Experience working in large-scale transformation programs