About this role

Apple is hiring a mid-level Security Engineer based in Paris, France. The posting calls out experience with C, Data Structures, Encryption, Embedded Systems.

Role: Security Engineer
Function: security
Level: mid
Track: Individual contributor
Location: Paris, France
Department: Software and Services
Posted: Jul 7, 2026

AI Summary

Design and implement cryptographic algorithms and security countermeasures against side-channel and physical attacks across Apple products. Requires expert-level cryptography knowledge, strong C/systems programming skills, and proven experience optimizing cryptographic functions with side-channel protections.

Upgrade to Pro for AI summaries, resume match scores & career intelligence →

Job description

from Apple careers

Embedded within Apple's Security Engineering & Architecture (SEAR) organization, the Cryptographic Engineering team's mission is to deliver world-class cryptographic implementation and secure protocol engineering for products going in the hands of millions of customers. We are looking for an expert Cryptography Engineer with a strong software background, capable of implementing and designing security countermeasures against side-channel and physical attacks for various algorithms.

We provide the cryptographic foundations protecting user data and valuable assets across all products, including Mac, iPhone, iPad, Apple Watch, and Apple TV. In this role there will be the opportunity to work on analyzing, proposing, and validating innovative cryptographic solutions for our applications.

Work in an innovative environment:
* Have a real impact on Apple features and products
* Collaborate with a wide range of collaborators, from Silicon Engineering to Cloud services
* Implement and review innovative algorithms and protocols on a wide range of architectures and embedded systems, design and implement side channel attack countermeasure, improve performance, formally prove the correctness of Apple cryptographic software
* Work cooperatively with other teams in Apple on multi-functional technologies and initiatives to improve security
* Evangelize and drive the adoption of these technologies across the organization

<h3>Minimum Qualifications</h3>A passion for creating effective and pragmatic cryptographic implementations
Expert in fundamental cryptographic algorithms & underlying mathematics
Track record implementing highly optimized cryptographic functions secured against side-channel attack and fault injection
Excellent C and systems programming skills
<h3>Preferred Qualifications</h3>Experience in the formal verification of countermeasures or cryptographic software.