
Mainframe Architect 1 – Telecom Billing & Customer Care
CSG Systems International, Inc.1 day ago
Remote, IndiaStaff+
Responsibilities
- Define application and system architecture for telecom customer care and billing platforms.
- Design end-to-end solutions across customer, subscriber, product, service, equipment, order, billing, payment, and related domains.
- Create high-level and detailed solution designs and lead architectural reviews.
- Provide technical leadership and subject matter expertise in IBM z/OS and mainframe technologies.
- Design and review HLASM, COBOL, CICS, and DB2 solutions while guiding development teams on architecture and coding standards.
- Architect large-scale batch processing and online customer care and order management systems.
- Lead performance tuning for CPU, memory, I/O, database utilization, CICS transactions, and batch workloads.
- Drive mainframe modernization and API-based integrations with distributed and cloud platforms.
- Lead root cause analysis for critical incidents and define resiliency, recovery, and disaster recovery strategies.
- Govern technical debt reduction, platform sustainability, security, audit, and operational standards.
- Mentor senior developers and technical leads and manage stakeholder, vendor, roadmap, risk, and capacity-planning activities.
Requirements
- 15+ years of mainframe development experience.
- 8+ years of experience working with High-Level Assembler.
- 5+ years in architecture or technical leadership roles.
- Extensive telecom billing and customer care domain experience.
- Experience supporting large subscriber bases and mission-critical production systems.
- Experience modernizing legacy telecom platforms and integrating them with digital ecosystems.
- Experience with IBM z/OS, HLASM, COBOL, JCL, CICS, DB2, IMS, VSAM, TSO/ISPF, REXX, batch processing, file processing, scheduling, performance optimization, billing cycle processing, and online systems.
- Experience with enterprise architecture, solution architecture, stakeholder management, technical roadmap planning, vendor management, risk assessment, capacity planning, mentoring, and cross-functional leadership.
Benefits
- Remote position based in India.
- CSG provides disability accommodations throughout the application, interview, testing, and hiring processes.
Tech Stack
COBOLIBM DB2
Categories
About CSG Systems International, Inc.
CSG Systems International builds cloud-based software and managed services for telecom, media/OTT, and other enterprises to handle billing, revenue management, payments, and customer engagement. Its portfolio spans business support systems (BSS), customer experience tools, and digital transformation services delivered as SaaS or long-term managed solutions. Founded in 1994 and headquartered in Englewood, Colorado, CSG is a public company listed on NASDAQ and Frankfurt exchanges.