Mainframe Architect 1 – Telecom Billing & Customer Care
Core
Define application and system architecture for telecom Customer Care and Billing platforms, designing end-to-end solutions across Customer, Subscriber, Product, Service, Equipment, Order, Billing, and Payment domains.
Role type
Senior Mainframe Architect (Telecom Billing & Customer Care)
Builds
Telecom billing and customer care platforms supporting high transaction volumes and mission-critical production systems
Domain
Telecom industry, Mainframe systems
Required skills
IBM z/OS, High-Level Assembler (HLASM), COBOL, CICS, DB2, IMS, VSAM, JCL, REXX, Enterprise Architecture, Solution Architecture, Batch Processing, Performance Optimization, API-based Integrations
Preferred skills
Mainframe modernization, Cloud platform integration, Disaster recovery strategies, Technical debt reduction
Technologies
IBM z/OS, HLASM, COBOL, CICS, DB2, IMS, VSAM, TSO/ISPF, CA7, IWS
Responsibilities
Define application and system architecture for telecom Customer Care and Billing platforms; Design end-to-end solutions across multiple telecom domains; Lead architectural reviews and ensure alignment with enterprise architecture standards; Provide subject matter expertise in IBM z/OS and Mainframe technologies; Design and review High-Level Assembler (HLASM), COBOL, CICS, and DB2 solutions; Mentor senior developers and technical leads; Design large-scale batch processing solutions handling high transaction volumes; Architect online customer care and order management applications; Ensure optimal performance of CICS online transactions and batch workloads; Lead performance tuning initiatives for CPU, Memory, I/O, and Database utilization; Drive Mainframe modernization initiatives; Architect API-based integrations between Mainframe and distributed/cloud platforms; Lead root cause analysis for critical incidents; Define resiliency, recovery, and disaster recovery strategies; Govern technical debt reduction and platform sustainability
Seniority
Senior, hands-on IC with leadership responsibilities
