Senior Architect

Why should you choose us?

Rakuten Symphony is reimagining telecom, changing supply chain norms and disrupting outmoded thinking that threatens the industry’s pursuit of rapid innovation and growth. Based on proven modern infrastructure practices, its open interface platforms make it possible to launch and operate advanced mobile services in a fraction of the time and cost of conventional approaches, with no compromise to network quality or security. Rakuten Symphony has operations in Japan, the United States, Singapore, India, South Korea, Europe, and the Middle East Africa region. For more information, visit: https://symphony.rakuten.com

Building on the technology Rakuten used to launch Japan’s newest mobile network, we are taking our mobile offering global.

To support our ambitions to provide an innovative cloud-native telco platform for our customers, Rakuten Symphony is looking to recruit and develop top talent from around the globe. We are looking for individuals to join our team across all functional areas of our business – from sales to engineering, support functions to product development.

Let’s build the future of mobile telecommunications together! About Rakuten Group, Inc. (TSE: 4755) is a global leader in internet services that empower individuals, communities, businesses and society. Founded in Tokyo in 1997 as an online marketplace, Rakuten has expanded to offer services in e-commerce, fintech, digital content and communications to 2 billion members around the world. The Rakuten Group has over 30,000 employees, and operations in 30 countries and regions. For more information visit https://global.rakuten.com/corp/.

Job Summary :

We are seeking an experienced Architect (Telecom Solution )with 15–20 years of experience in designing and delivering next-generation telecom solutions. The ideal candidate will possess deep expertise across RAN, Core, Transport, and Non-Terrestrial Networks (NTN), coupled with strong customer engagement skills and modern cloud-native technology experience.

The role requires a combination of technical leadership, solution architecture, customer consulting, innovation, and cross-functional collaboration to define scalable, AI-enabled telecom platforms and drive successful customer outcomes.

Job Location: Bangalore Key Responsibilities

Solution Architecture & Technical Leadership

• Define end-to-end solution architecture for telecom assurance, observability, OSS/BSS, and network automation platforms.

• Design scalable and resilient architectures across RAN, Core, Transport, and NTN (Satellite) domains.

• Produce High-Level Design (HLD), Low-Level Design (LLD), solution blueprints, and architecture documentation.

• Evaluate emerging technologies and recommend architecture improvements aligned with business objectives.

• Ensure architecture complies with security, scalability, performance, and cloud-native best practices.

Telecom Domain Expertise :

Strong understanding of telecom technologies including:

RAN

• 4G LTE

• 5G SA/NSA

• Open RAN (O-RAN)

• gNB/eNB architecture

• RRM

• SON

• Performance Management

• Fault Management

• Mobility Management

• KPI and Counter Analysis

Core Network

• EPC

• 5G Core

• AMF

• SMF

• UPF

• AUSF

• UDM

• PCF

• NRF

• Network Slicing

• SBI

• SEPP

• QoS

• Roaming

Transport

• MPLS

• Segment Routing

• EVPN

• VXLAN

• ISIS

• BGP

• RSVP

• OSPF

• LDP

• IP/MPLS Networks

• Optical Transport

• Microwave Networks

NTN (Non-Terrestrial Network)

• LEO/MEO/GEO satellite architecture

• 3GPP NTN standards

• Satellite RAN integration

• Direct-to-Device (D2D)

• Backhaul over satellite

• NTN mobility

• Satellite performance monitoring

Customer Engagement

• Work directly with telecom operators and enterprise customers to understand business challenges and technical requirements.

• Lead customer workshops, discovery sessions, and solution presentations.

• Drive Proof of Concepts (PoCs), pilot deployments, and technical demonstrations.

• Translate customer requirements into scalable solution architectures.

• Present architecture recommendations to customer technical and executive stakeholders.

• Build trusted relationships with customers and partners.

Engineering Collaboration

• Collaborate with Product Management to influence product roadmap based on customer requirements.

• Work closely with engineering teams throughout design, implementation, and deployment phases.

• Provide technical guidance and architectural governance during development.

• Review designs and ensure adherence to architectural standards.

Cloud Native & Modern Technology Stack

Hands-on understanding of:

Programming

• Java

• Spring Boot

• REST APIs

• gRPC

Cloud Native

• Kubernetes

• Docker

• Helm

• Istio

• Service Mesh

• Microservices

• Cloud-native architecture

Observability

• Prometheus

• Grafana

• OpenTelemetry

• OpenSearch

• ClickHouse

• Kafka

Databases

• PostgreSQL

• YugabyteDB

• ClickHouse

• Elasticsearch/OpenSearch

AI & Automation

Good understanding of modern AI technologies including:

• Generative AI

• Large Language Models (LLMs)

• Small Language Models (SLMs)

• AI Agents

• Retrieval-Augmented Generation (RAG)

• Vector Databases

• AI-assisted Root Cause Analysis

• Predictive Analytics

• Anomaly Detection

• Time-Series Forecasting

• AIOps

• AI-driven Telecom Automation

Ability to identify AI use cases across telecom operations, observability, performance management, and fault management.

Leadership Responsibilities

• Provide technical leadership across multiple engineering teams.

• Mentor architects and senior engineers.

• Drive engineering best practices and architectural governance.

• Lead architecture reviews and technical decision-making.

• Balance customer priorities with long-term platform strategy.

Required Skills:

Telecom

• RAN

• Core

• Transport

• NTN

• OSS/BSS

• FM

• PM

• Inventory

• Topology

• Alarm Correlation

• Performance Monitoring

Technical: Java, Spring Boot, Kubernetes, Docker, Kafka, REST APIs, Microservices, Cloud Native, Distributed Systems

AI

• LLMs

• AI Agents

• Machine Learning

• RAG

• Vector Search

• AIOps

Architecture

• Solution Architecture

• Enterprise Architecture

• HLD

• LLD

• System Integration

• API Design

• Security Architecture

• Scalability

• Performance Engineering

Soft Skills

• Strong customer-facing and consulting skills.

• Excellent communication and presentation abilities.

• Ability to engage with CXO-level stakeholders.

• Strong analytical and problem-solving mindset.

• Experience managing cross-functional and geographically distributed teams.

• Proven ability to drive complex technical discussions and influence decision-making.

• Ability to balance business priorities with technical excellence.

Preferred Qualifications:

• Bachelor's or Master's degree in Computer Science, Electronics, Telecommunications, or a related field.

• Telecom certifications (3GPP, O-RAN, Cisco, Nokia, Ericsson, Kubernetes, or Cloud certifications) are a plus.

• Experience working with telecom operators, network equipment vendors (NEPs), or OSS/BSS product companies.

• Exposure to public cloud platforms (AWS, Azure, or Google Cloud) and hybrid cloud deployments.

Success Profile :

The ideal candidate is a seasoned telecom architect who combines deep domain expertise with modern software engineering and AI capabilities. They should be comfortable engaging with customers, defining strategic solution architectures, leading Proof of Concepts, collaborating with engineering teams, and driving innovation across RAN, Core, Transport, and NTN domains. They will play a pivotal role in shaping next-generation telecom platforms that are cloud-native, AI-driven, scalable, and aligned with customer and business objectives.