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# Senior macOS Software Engineer

- **Company:** SentinelOne
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Apple Mac Systems, Cyber Security, Linux, Distributed Systems, Intrusion Detection and Prevention, Objective C++, SentinelOne Expertise
- **Published:** June 11, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=cbb1ed9e0bbffba2

## About the Role

Do you have experience in macOS?, * Strong proficiency coding in Objective-C and multiple years of SW engineering experience for macOS (macOS is highly preferred, but iOS cybersecurity SW product development experience would be also considered relevant)

 * Experience level is flexible, Senior/Staff+ engineers are encouraged to apply!
 * Experience in systematically root-causing complex OS systems
 * Understanding of macOS user space and internals

Advantages:

 * Experience developing OS drivers & system extensions or with more than one OS is a plus
 * Experience managing escalations or issues requiring highly coordinated efforts to identify service restoration
 * Experience with system performance analysis and mitigations, and with large-scale event processing systems
 * Cybersecurity experience or exposure to macOS endpoint security platforms
 * Swift experience is beneficial but not required

## Description

As a Senior/Staff macOS Software Engineer, you will be directly involved in SentinelOne's core technology, ensuring we are always staying ahead of cybercriminals and delivering best-in-class detection. You will be a part of a team of globally distributed system and kernel developers who work deeply within the 3 main OS's of the world: Windows, Linux, macOS - and create our flagship productline Endpoint Protection, recognized 5x in-a-row as Gartner Leader. As we're expanding our presence in EMEA, we're looking for multiple colleagues for the macOS team - a unique chance for you to join together as a team with other folks you enjoy working with!, * Design, build, and scale core macOS security technologies powering SentinelOne's endpoint protection

 * Research emerging threats and investigate complex system-level issues
 * Develop high-performance features, fixes, and patches to enhance detection capabilities
 * Collaborate with Product, Support, Sales, QA, and global R&D teams
 * Contribute to high-quality releases and continuous product improvements
 * Support enterprise and government customers by ensuring reliable, mission-critical protection


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