Job Description:
About the Team/Department:
At Rakuten Mobile Security Assurance, you will help secure one of the world's most advanced cloud-native telecom networks, protecting millions of customers across digital, mobile, cloud, and AI-driven services.
You will work on cutting-edge offensive security challenges spanning 4G/5G telecom platforms, cloud-native infrastructure, applications, APIs, AI/ML systems, and emerging technologies.
We offer an workplace where innovation is encouraged, continuous learning is supported, and security experts are empowered to make a direct business impact.
You will have the opportunity to work alongside industry-leading engineers, build next-generation security capabilities, leverage AI to transform security testing, and contribute to protecting critical telecommunications infrastructure at scale.
If you are passionate about offensive security, enjoy solving complex technical challenges, and want to shape the future of cybersecurity in the AI era, we would love to hear from you.

Position Summary
Lead Rakuten Mobile's Offensive Security program,



driving security assessments across web, mobile, API, cloud, AI/ML, and telecom platforms. The role is responsible for defining offensive security strategy, leading red team operations, overseeing vulnerability management and bug bounty programs, and ensuring proactive identification and mitigation of security risks across enterprise and telecom environments.

Key Responsibilities
• Define and execute the offensive security strategy, roadmap, standards, and testing methodologies.
• Lead penetration testing, red teaming, adversary emulation, and attack surface management initiatives.
• Oversee security assessments for web applications, mobile applications, APIs, cloud platforms, AI/ML
systems, and telecom/BSS/OSS environments.
• Drive security validation of 4G/5G network components, telecom applications, eSIM/RSP platforms, subscriber management systems, and internet-facing services.
• Eval

📌 Staff Engineer, Offensive Security (Bengaluru)
🏢 Rakuten
📍 Bengaluru