Senior Architect

Job Description:

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:
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

Role Overview

We are seeking a highly analytical and technically proficient Senior Architect to lead the design and implementation of our next-generation cloud automation platform. You will be responsible for architecting robust, scalable, and secure infrastructure automation workflows.

It demands a deep understanding of cloud technologies, how software interacts with hardware, knowledge of the Linux kernel, Kubernetes and the underlying network protocols that power modern distributed systems. You will be the bridge between complex systems engineering and automated software delivery.

Key Responsibilities

Architectural Design: Ability to design and implement reliable automation solutions for on-premise and hybrid-cloud environments.

Systems Engineering: Practical experience managing Linux-based infrastructure and familiarity with basic Cloud-Native architectural patterns.

Kubernetes Knowledge: Functional understanding of container orchestration, including deploying and managing services within Kubernetes clusters.

Security Architecture: Ability to implement standard security practices (such as SSH, basic PKI, and IAM roles) to ensure that automation workflows remain secure by default.

Troubleshooting & Root Cause Analysis: Capability to diagnose and resolve common system failures, performance bottlenecks, and deployment errors, escalating only when necessary.

Networking: Working knowledge of network configurations, including load balancing, API gateways, basic firewall rules, and software-defined networking concepts.

Stakeholder Management: Acts as a technical bridge between development teams and customers, translating business requirements into technical tasks and providing clear status updates to all parties.

Rakuten SHUGI Principles:

Our worldwide practices describe specific behaviours that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 SHUGI Principles of Success.

• Always improve, always advance. Only be satisfied with complete success - Kaizen.
• Be passionately professional. Take an uncompromising approach to your work and be determined to be the best.
• Hypothesize - Practice - Validate - Shikumika. Use the Rakuten Cycle to success in unknown territory.
• Maximize Customer Satisfaction. The greatest satisfaction for workers in a service industry is to see their customers smile.
• Speed!! Speed!! Speed!! Always be conscious of time. Take charge, set clear goals, and engage your team.