Mainframe Architect 1 – Telecom Billing & Customer Care

Key Responsibilities

Architecture & Solution Design

- 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, and Payment domains.

- Lead architectural reviews and ensure alignment with enterprise architecture standards.

- Create high-level and detailed solution designs for complex business initiatives.
Mainframe Technical Leadership

- Provide subject matter expertise in IBM z/OS and Mainframe technologies.

- Design and review High-Level Assembler (HLASM), COBOL, CICS, and DB2 solutions.

- Guide development teams on architecture patterns, coding standards, and best practices.

- Mentor senior developers and technical leads.
Batch & Online Systems

- 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.
Telecom Billing & Customer Care

- Architect solutions supporting:
- Customer Management

- Subscriber Management

- Order Capture & Fulfilment

- Product Catalog Management

- Service Provisioning

- Rating & Charging

- Billing & Invoicing

- Payments & Collections

- Equipment Management

- Customer Care Operations

- Partner with business stakeholders to translate telecom requirements into technical solutions.
Modernization & Integration

- Drive Mainframe modernization initiatives.

- Architect API-based integrations between Mainframe and distributed/cloud platforms.

- Evaluate emerging technologies and define future-state architecture.
Production Stability & Governance

- Lead root cause analysis for critical incidents.

- Define resiliency, recovery, and disaster recovery strategies.

- Govern technical debt reduction and platform sustainability.

- Ensure compliance with security, audit, and operational standards.

Technical Skills
Core Mainframe

- IBM z/OS

- High-Level Assembler (HLASM)

- COBOL

- JCL

- CICS

- DB2

- IMS

- VSAM

- TSO/ISPF

- REXX
Batch Processing

- CA7 / IWS Scheduling

- High Volume Batch Processing

- File Processing Architecture

- Performance Optimization

- Billing Cycle Processing
Online Systems

- CICS Transaction Processing

- Real-Time Customer Care Applications

- Order Entry Systems

- Inquiry & Maintenance Systems

- Customer Service Platforms

- Account Management
Leadership & Business Skills

- Enterprise Architecture

- Solution Architecture

- Stakeholder Management

- Technical Roadmap Planning

- Vendor Management

- Risk Assessment

- Capacity Planning

- Team Mentoring

- Cross-functional Leadership
Ideal Experience

- 15+ years of Mainframe Development experience.

- 8+ years 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 with digital ecosystems.

Location(s):
India Remote

Accommodation:
If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at +1 (402) 431-7440 or email us at accommodations@csgi.com. CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes.

Our Guiding Principles:
Impact: Always help and empower others, whether they’re colleagues or customers. When our employees set their minds to something, great things happen.

Integrity: Do what’s right for our customers and our people while being authentic. We treat everyone with trust and respect—that’s just who we are.

Inspiration: Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure.

Our Story:
CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy.

By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are. Learn more about CSG Inclusion & Impact here.