Job Description:
Job Title: Senior Penetration Tester(Sr. Penetration Tester)
Department: Security Assurance
Reports To: Senior Manager, Security Assurance Section
Location: Bangalore or Indore, India

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 environment where innovation is encouraged, continuous learning is supported, and security experts are empowered to make a direct business impact.
You will have the prospect 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
Perform advanced penetration testing and offensive security assessments across Rakuten Mobile's web, mobile,
API, cloud, AI/ML, and telecom environments. The role focuses on identifying complex security vulnerabilities,
validating exploitability, supporting red team activities, and helping engineering teams strengthen the
organization's security posture.

Key Responsibilities
• Conduct manual and automated penetration testing of web applications, mobile applications, APIs, cloud
platforms, and network infrastructure.
• Perform security assessments of AI/ML applications, LLM-based systems, AI agents, RAG implementations,
and MLOps pipelines.
• Identify vulnerabilities such as prompt injection, insecure model integrations, data leakage, model
manipulation, an

📌 Senior Engineer (Bengaluru)
🏢 Rakuten
📍 Bengaluru