Cloud Security Architect

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About Rakuten Mobile

Rakuten is one of the leading Tech companies in the world. Our mission is to empower people and society through the internet while aiming at becoming the Global Innovation Company. Rakuten Mobile, Inc. is building the world’s first End-to-End virtualized mobile network (for 4G and 5G). With this our next target is to become the leading Mobile Network Operator in Japan!

Our Culture

Rakuten Mobile is a startup with a flat, non-bureaucratic and hands-on culture. We are a truly global organization, with team members from across the Globe, working in a fast-paced, innovative and agile environment. We are looking for innovative people who are ready to take new challenges and work on cutting edge technology to build the Telco of the Future.

Responsibilities & Duties

Key responsibilities and duties include:

Responsible for the design and development of security architectures for cloud (public, private, hybrid) based systems.

Provide domain expertise in telco cloud and container security technology

Identify and deliver appropriate controls based on industry standards (e.g. NIST, CIS Benchmarks) to drive cloud and customer security solutions framework

Manage and execute cloud security solutions across lifecycle strategy, design, implementation and operations

Participate, lead and jointly deliver security evaluation reports on cloud native platforms (Docker, Kubernetes, CNCF projects etc.), and Software as Service solutions.

Skills & Experience Required

Mandatory Experience & Skills:

Experience in designing, implementing and delivering security for cloud native, distributed computing with a principle of Secure by Design, Defense in Depth.

Expertise in performing Threat Modeling, generating security architectural requirements to software development and product teams

Collaborating with internal teams, third-party support and service vendors to ensure that the network remains operational.

Knowledge of virtualization, containers, service-mesh and enterprise service business

Preferred Experience & Skills:

5+ years of experience in defining security standards and reference architectures used to guide technical resources in secure system implementation and configuration for telecom, enterprise cloud systems and consumption of public cloud

Familiarity with predominant public cloud providers (AWS, Azure, GCP)

Understanding of Industry trends in technologies for public, private and hybrid cloud


Master’s Degree or higher in Computer Science, Engineering, Mathematics and related fields (e.g.; Electronics and communication engineering, computer engineering, IT)

Minimum requirement: Bachelor’s degree and equivalent combination of education/professional experience in a similar role

Additional professional certifications in related areas (CISSO/CEH/OSCP) are preferred

Current Openings

2 Position at Senior or Mid-career levels (5+ year relevant experience)

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