Senior Security Engineer (Tee/ ARM TrustZone)

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Senior Security Engineer – Trusted Execution Environment (TEE / ARM TrustZone)

Role Overview

We are looking for a security engineer to design and implement security-critical components running inside Trusted Execution Environments (TEE) such as ARM TrustZone.

In this role, you will develop Trusted Applications (TA) responsible for protecting DRM keys, secure media pipelines, device integrity verification, and hardware-backed security features for mobile and media platforms.

You will work closely with platform, operating system, and hardware teams to build robust security solutions protecting high-value digital content and platform services.

Responsibilities

• Design and implement Trusted Applications (TA) running in ARM TrustZone / TEE environments

• Develop secure communication between Normal World and Secure World

• Implement secure key management and cryptographic operations inside TEE

• Build DRM and secure media protection systems

• Integrate TEE security services with Android or embedded platforms

• Implement secure storage mechanisms (RPMB, secure file systems)

• Design device attestation and hardware-backed security features

• Perform threat modeling and attack surface analysis

• Collaborate with OS, firmware, and hardware teams to integrate platform security features

• Investigate and mitigate attacks such as

• Investigate and mitigate attacks such as tampering, reverse engineering, and runtime manipulation

Required Qualifications

• Strong programming experience in C/C++

• Experience developing software for Trusted Execution Environments (TEE) or ARM TrustZone

• Experience building Trusted Applications (TA) or secure platform services

• Knowledge of secure monitor calls (SMC) and world switching mechanisms

• Understanding of hardware root of trust, secure boot, and device attestation

• Experience with secure key storage and applied cryptography

• Experience working with Linux or embedded operating systems

• Bachelor’s degree or equivalent experience in Security Engineering, or related field.

Preferred Qualifications

• Experience with OP-TEE

• Experience implementing DRM or secure media pipelines

• Experience with secure storage (RPMB)

• Experience with Android hardware-backed security (Keystore / KeyMint)

• Familiarity with reverse engineering tools (Ghidra, IDA, Frida)

• Experience in platform security, console security, or embedded device security

• Knowledge of side-channel attacks and secure system design

Technologies We Use

• ARM TrustZone

• OP-TEE

• Secure Monitor Call (SMC)

• Secure Boot / Root of Trust

• RPMB secure storage

• C / C++

• Linux / Embedded systems

• Android platform security

Why Join Us
You will help build platform-level security protecting digital content and platform integrity used by millions of users worldwide. Your work will directly impact the security of next-generation media and gaming platforms.

Please refer to our Candidate Privacy Notice for more information about how we process your personal information, and your data protection rights.

At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location.

Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location.

In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click here to learn more.

The estimated base pay range for this role is listed below.
$193,300—$289,900 USD

Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks.

Please refer to our Candidate Privacy Notice for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights.

Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.

We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond.

PlayStation is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.