AI/ML Engineer - AI Systems for Security, SEAR

Apple, Inc.; Paris; On-site; EUR 90,000 - 150,000; Full time

Job summary

Apple, Inc. in Paris is seeking an AI/ML Engineer to join our Security Engineering & Architecture group, building and improving ML-based security systems for Apple products.

The role involves working with security researchers and tool developers, applying ML, RL and LLM techniques, and leveraging cross-domain datasets to strengthen defenses across platforms.

Qualifications

• Solid understanding of machine learning algorithms (supervised, unsupervised, and reinforcement learning) and evaluation methods.
• Hands-on experience with agents design and frameworks, including MCP/tools, observability, evaluations, and self-improvement loops
• Strong software engineering and programming skills in languages like Python, C, C++, Swift and Objective-C

Skills

ML algorithms

Agent design

Python

C/C++

Swift/ObjC

Collaboration

Reinforcement learning

LLM tuning

Tools

MCP tools

Observability

Evaluation frameworks

Self-improvement loops

Job description

AI/ML Engineer - AI Systems for Security, SEAR

Paris, Ile-de-France, France Software and Services

Apple's Security Engineering & Architecture organization is responsible for the security of all Apple products. Passionate about safeguarding users, we believe that the best defense requires a great offense. When it comes to securing more than a billion devices running the world's most sophisticated operating systems, that means finding vulnerabilities first.Our mission is to discover, understand, and exploit vulnerabilities across all layers of Apple’s platforms, and ML techniques have already significantly enhanced our ability to do so. We're hiring an AI/ML Engineer to join the team building and improving these systems.This position provides rare exposure to a full‑stack view of security along with direct access to expert knowledge, unique datasets, and cross‑domain experience. Your contributions will materially raise the security of products used by billions and strengthen Apple’s ability to defend against adversaries.Can you make a difference on this scale? Join our extraordinary group of security researchers, tool developers, and machine learning experts, and help protect all Apple users.

Description

Minimum Qualifications

• Solid understanding of machine learning algorithms (supervised, unsupervised, and reinforcement learning) and evaluation methods
• Hands-on experience with agents design and frameworks, including MCP/tools, observability, evaluations, and self-improvement loops
• Strong software engineering and programming skills in languages like Python, C, C++, Swift and Objective-C
• Collaborative and effective problem-solving and analytical skills

Preferred Qualifications

• Experience scaling LLM training and fine-tuning (pretraining, SFT, alignment)
• Strong enthusiasm for security
• Familiarity with software‑analysis techniques such as fuzzing, static analysis, code‑analysis tooling, reverse engineering and binary-analysis

At Apple, we're not all the same. And that's our greatest strength. We draw on the differences in who we are, what we've experienced, and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. We will work with applicants to make any reasonable accommodations.

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong. Learn about accessibility in Apple’s workplace