Senior Android Security Engineer

Quest Global; Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Quest Global is seeking a Senior Android Security Engineer to design and protect secure Android layers, focusing on Trusty TEE and Trust execution environments. You will collaborate across framework, HAL, kernel, and hardware teams to strengthen device security and integrity.

Experts in AVB, secure boot, and cryptographic key management will drive secure solutions, while strong C/C++ skills will underpin robust engineering work across embedded systems.

Qualifications

• Experience with Android Security Architecture and Trusty TEE.
• Strong C/C++ development skills for secure software.
• Knowledge of ARM TrustZone and Android Keystore.
• Familiarity with AVB, Secure Boot, and device integrity checks.
• Experience with Linux kernel, device drivers and embedded systems.
• Understanding cryptographic concepts and secure key management.
• Ability to debug across Android framework, HAL, kernel and TEE layers.
• Experience in vulnerability analysis or security assessments is a plus.

Responsibilities

• Design and develop Trusted Applications within Trusty TEE.
• Implement and enhance Android platform security features.
• Integrate secure key storage, attestation, and authentication mechanisms.
• Collaborate with framework, HAL, kernel and hardware teams.
• Analyze and mitigate security vulnerabilities across the Android stack.
• Support security compliance and product hardening activities.

Skills

Android Security Architecture

Trusty TEE

TA development

Secure World / Normal World

ARM TrustZone

Keymaster/KeyMint

Gatekeeper

Android Keystore

AVB / Secure Boot

Device Integrity

C/C++ development

Linux kernel

Embedded systems

Cryptography

Secure key management

Debugging across Android layers

Tools

Trusty TEE tooling

Android verified boot tools

Secure Elements / HSM

Job description

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Role Summary

We are looking for a Senior Android Security Engineer with strong expertise in Android Trusted Execution Environment (TEE) and Trusty OS development. You will build and protect the secure layers of the Android operating system.

Mandatory Skills

• Hands-on experience with Android Security Architecture.
• Strong knowledge of Trusty TEE and Trusted Applications (TA) development.
• Experience working in Secure World and Normal World interactions.
• Understanding of ARM TrustZone architecture.
• Knowledge of Keymaster/KeyMint, Gatekeeper, and Android Keystore.
• Experience with Android Verified Boot (AVB), Secure Boot, and Device Integrity mechanisms.
• Strong C/C++ development skills.
• Experience with Linux kernel, device drivers, and embedded systems.
• Understanding of cryptographic concepts and secure key management.
• Debugging and troubleshooting across Android framework, HAL, kernel, and TEE layers.

Preferred Skills

• Experience with StrongBox, Secure Elements, eSE, TPM, or HSM.
• Familiarity with Android security certifications and compliance requirements.
• Experience in vulnerability analysis, penetration testing, or security assessments.
• Knowledge of SELinux, secure provisioning, RPMB, and attestation mechanisms.
• Exposure to Qualcomm, MediaTek, Samsung Knox, or other Android security stacks.

Key Responsibilities

• Design and develop Trusted Applications (TAs) within Trusty TEE.
• Implement and enhance Android platform security features.
• Integrate secure key storage, attestation, and authentication mechanisms.
• Collaborate with framework, HAL, kernel, and hardware teams.
• Analyze and mitigate security vulnerabilities throughout the Android stack.
• Support security compliance and product hardening activities.

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.