Telecom Billing Modernization Architect

Telecom Billing Modernization Architect (Mainframe to AWS)

Locations:
Dallas, TX | Basking Ridge, NJ | Raleigh, NC | Tampa, FL

Position Type:
Contract
*** NOT open to third parties
*** Work Arrangement:
Onsite

We are seeking an experienced Telecom Billing Modernization Architect to lead the assessment, modernization, and migration of a large-scale telecommunications billing platform from legacy mainframe technologies to AWS. This role is ideal for a senior consultant with deep expertise in telecommunications billing, mainframe systems, and cloud modernization. You'll serve as the technical bridge between business stakeholders and engineering teams, helping define migration strategy, modernize legacy billing applications, and ensure billing accuracy throughout the transformation.

• Telecom Billing Expertise
• Analyze and document existing telecommunications billing platforms, business rules, and operational workflows.
• Provide subject matter expertise across the end-to-end telecom billing lifecycle, including:
  Rating Charging Mediation Billing & Invoicing Settlement Revenue Assurance Dispute Management
• Support billing environments spanning mobile, broadband, fixed-line, prepaid/postpaid, wholesale, and converged services.
• Understand usage record processing (CDRs, EDRs, UDRs) and downstream integrations with financial and revenue systems.
• Mainframe Modernization
• Analyze legacy mainframe billing applications and document current-state architecture.
• Reverse-engineer undocumented COBOL business logic and billing processes.
• Evaluate modernization approaches, including rehost, replatform, refactor, and replacement strategies.
• Support decomposition of monolithic applications into modern, cloud-native services.
• Cloud Architecture & Migration
• Design target-state AWS architecture supporting enterprise billing modernization.
• Develop migration strategies for applications, data, and interfaces.
• Design ETL, reconciliation, and validation processes to ensure billing accuracy and revenue integrity.
• Support API-driven and event-driven integration architectures.
• Program Leadership
• Partner with business stakeholders, architects, and delivery teams throughout the modernization effort.
• Develop cutover, rollback, and parallel-run strategies to minimize implementation risk.
• Support revenue assurance, testing, and post-migration validation.
• Mentor internal teams on legacy platforms, cloud technologies, and modernization best practices.

• 10+ years of experience in telecommunications billing systems.
• Deep understanding of the complete telecom billing lifecycle.
• Experience supporting:
  Mobile Fixed-line Broadband Wholesale/Interconnect Prepaid & Postpaid billing
• Extensive mainframe experience including: COBOL JCL DB2 IMS VSAM CICS PL/I Assembler
• Experience reverse-engineering legacy applications and documenting business rules.
• Experience with high-volume batch processing and job scheduling tools (Control-M, TWS/OPC, or similar).
• Experience designing and executing mainframe modernization initiatives.
• Strong understanding of AWS modernization strategies and cloud-native architectures.

• Experience with: AWS Mainframe Modernization EC2 RDS / Aurora S3 Lambda Glue DMS EMR Step Functions
• Experience with: ETL Data Migration Data Validation Reconciliation
• Knowledge of:
  Microservices Event-Driven Architecture API-led Integration
• Prior experience working for telecommunications operators or large systems integrators.
• Familiarity with TM Forum standards including: eTOM SID Open APIs
• Knowledge of telecommunications regulatory requirements, billing compliance, taxation, and data privacy.
• AWS Solutions Architect or Migration certification preferred.

This position is onsite in one of the following locations:
Dallas, TX Basking Ridge, NJ Raleigh, NC Tampa, FL Standard business hours: 8:00 AM – 5:00 PM EST. Candidates must successfully complete all required pre-employment background screenings. Candidates must be legally authorized to work in the United States without current or future employer sponsorship. Visa sponsorship is not available for this position.