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Ramana Andraju

@ramanaandraju

Senior/Enterprise Solution Architect at MTN-South Africa who designed the Digital Network Operator for Pi.

At MTN South Africa, I lead end-to-end Enterprise and Solution Architecture for OSS/BSS platforms across on-premises and cloud environments. I designed the Digital Network Operator Enterprise Architecture for MTN sub-brand Pi.

I also serve as a key architect for MVNO Enterprise Architecture, supporting wholesale partner onboarding and service enablement. I deliver High Level Solution Designs using TOGAF principles and design cloud architectures with Microsoft Azure, REST APIs, and microservices.

Previously, I delivered telecom OSS/BSS architecture at IBM for MTN South Africa and designed Telkom Indonesia prepaid and postpaid services at Oracle, including service orchestration using Oracle OSM. My earlier work includes telecom solutions for clients such as Telenor, BT, KT Corporation, Bell Telecom, Tata Teleservices, and Xerox.

Experience

Work history, roles, and key accomplishments

Current

Senior Solution Architect/Enterprise Architect

Current

MTN South Africa

Nov 2024 - Present (2 years)

Lead end-to-end Enterprise and Solution Architecture for OSS/BSS platforms across on-prem and cloud environments. Designed the Digital Network Operator (DNO) Enterprise Architecture for MTN sub-brand Pi and key architect for MVNO Enterprise Architecture.

Enterprise Architecture Solutions Architect OSS BSS TOGAF Azure REST APIs Microservices MVNO Digital Transformation

Solution Architect

IBM

Jul 2017 - Oct 2024 (7 years 3 months)

Delivered Enterprise and Solution Architecture for large-scale telecom OSS/BSS platforms. Supported mobile, fixed, and FWA services across Consumer, Enterprise, and Wholesale portfolios.

Enterprise Architecture Solutions Architect OSS BSS TOGAF Stakeholder Management Vendor Management

Solution Architect

Oracle

Jul 2016 - Feb 2017 (7 months)

End-to-end Solution Architect for Telkom Indonesia prepaid and postpaid services. Designed service orchestration using Oracle OSM and coordinated integration across Oracle OSM, Oracle AIA, and Oracle CRM platforms.

Oracle OSM AIA Oracle CRM Service Orchestration Integration

Technical Solution Architect

HCL Technologies

Aug 2015 - Feb 2016 (6 months)

Solution Architect for core banking transformation at Nedbank South Africa. Developed solution context diagrams, sequence diagrams, and High Level Designs, and mapped AS-IS and TO-BE architectures using TOGAF frameworks.

TOGAF Solutions Architect High Level Design Sequence Diagrams AS IS TO BE Mapping

Technical Solution Architect / Lead

Tata Consultancy Services

Mar 2006 - Jan 2015 (8 years 10 months)

Delivered telecom OSS/BSS solutions for global clients including Telenor, BT, KT Corporation, Bell Telecom, Tata Teleservices, and Xerox. Progressed through roles including Developer, Technical Lead, and End-to-End Solution Architect.

OSS BSS Billing Activation Provisioning Systems Integrations