Design and develop core macOS security technologies for endpoint protection platforms while tackling emerging threats and ensuring high-quality releases for global clients.
At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find purpose here.
SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics, intelligent automation, and a unified data foundation, we reduce noise, simplify complexity, and empower security teams to focus on what truly matters.
Our teams are builders, problem-solvers, and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented, mission-driven people, we invite you to help us build a safer future for humanity.
We’re looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.
As a Senior macOS Software Engineer, you will design, develop, and scale the core macOS security technologies that power SentinelOne’s endpoint protection platform across millions of devices worldwide. You will research emerging threats and investigate complex system-level issues to develop high-performance fixes, patches, and features that strengthen our detection capabilities. By collaborating cross-functionally with Product, Support, and QA, you will ensure high-quality releases that maintain mission-critical protection for our enterprise and government customers.
At SentinelOne, 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.
In our macOS team, we are responsible for researching and identifying emerging threats/issues and providing appropriate responses. We also work closely with Product, Support, Sales (in order to win multi-million dollar deals), other R&D engineers, and Quality Assurance to ensure any new issues are quickly addressed and then made a part of the ongoing releases.
You will work directly on our macOS core technology, running on millions of endpoints (in different environments, from C-levels to developers) across thousands of enterprise and government clients worldwide. Your role will also involve responding to events that occur in the field, root-causing them, and issuing patches when needed. You will participate in implementation and design decisions around improving agent architecture and new feature development.
Advantages:
Because you will meet extraordinary challenges facing the newest attacks and tech obstacles and overcoming them. You will work with the very BEST in the industry in a flexible and independent environment. You will influence the design of a disruptive product that will shape the security industry of tomorrow.
& Aditional country-specific benefits to Spain
SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
SentinelOne participates in the E-Verify Program for all U.S. based roles.
Equity Compensation
Generous employee stock plan in the form of grant of RSUs (restricted stock units), not options; 4 years vesting with 1 year cliff and then quarterly, stock refresh yearly.
Flexible Work Hours
Flexible working hours, this is a 100% remote role based within Spain; we provide optional membership in major coworking chains.
Health Insurance
Premium Medical & Dental Insurance covered by S1.
Meal, transport & home office allowance
Meal, Transport & Homeoffice allowance of total 440 EUR/month.
Paid Time Off
30 Days of Paid Annual Leave.
Wellness Stipend
Global Employee Assistance Program (confidential counseling related to both personal and work life matters).
SentinelOne provides autonomous security solutions built on AI to protect organizations across endpoint, cloud, and identity environments. Our platform unifies threat prevention, detection, response, and forensics in a single, user-friendly system, enabling businesses to safeguard their assets against evolving cyber threats. Recognized as a leader in the industry, we cater to enterprises in various sectors, ensuring fast, effective defense against advanced attacks.
Please mention you found this job on AI Jobs. It helps us get more startups to hire on our site. Thanks and good luck!
Understand the required skills and qualifications, anticipate the questions you may be asked, and study well-prepared answers using our sample responses.
Software Engineer Q&A's