Staff macOS Detection Engineer

About Us:

SentinelOne is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real-time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With SentinelOne, organizations gain full transparency into everything happening across the network at machine speed – to defeat every attack, at every stage of the threat lifecycle.

We are a values-driven team where names are known, results are rewarded, and friendships are formed. Trust, accountability, relentlessness, ingenuity, and OneSentinel define the pillars of our collaborative and unified global culture. We're looking for people that will drive team success and collaboration across SentinelOne. If you're enthusiastic about innovative approaches to problem-solving, we would love to speak with you about joining our team

We are continuously expanding the capabilities of SentinelOne, actively listening to customers and responding to their needs. We are looking for a macOS Detection Engineer / Malware Researcher who will be directly involved in our core technology and ensure we are always staying ahead of cybercriminals.

You will be part of the Detection organization and work on catching the most advanced threats - by researching malware and creating detection rules. You will work closely with Product, Support, Sales, R&D, and Quality Assurance to ensure any new issues are quickly addressed and then made a part of the ongoing releases.

You will be working directly on our macOS core technology in a role that will also involve responding to cyber incidents that occur in the field, root causing them, and issuing fixes. You will participate in the implementation and design decisions around improving agent detection architecture and new feature development.

• Previous experience in Malware research on macOS is a must (or comparable in iOS and willing to switch to macOS)
• Understanding of macOS user space and internals
• Experience in systematically root-causing complex OS systems
• Software development experience on macOS or iOS, solid understanding of Objective-C

We'd appreciate / You'd learn & gain experience with:

• Developing OS drivers & extensions
• Managing escalations or issues requiring highly coordinated efforts to identify service restoration
• System performance analysis and mitigations
• Cybersecurity experience or exposure to macOS endpoint security platforms and macOS Endpoint Security Framework
• Experience with large-scale event processing systems
• Having worked with more than one OS

Join a cutting-edge company tackling extraordinary challenges alongside top industry talent. Enjoy flexible hybrid work in Prague (Karlin), Brno (Clubco), or remotely across CZ/SK. Only Prague-based employees are required to work from the office at least two days per week.

Competitive Benefits Package:

• Stock & Bonuses: Grant of Restricted Stock Units with a 4-year vesting plan, annual performance-based bonuses, and an employee stock purchase plan.
• Time Off & Well-being: Flexible Time Off, on top of the standard 5 weeks vacation, flexible paid sick days, fully paid Short Term Sick/Nursing Leave, 16-week parental leave, grandparent leave, and additional company holidays.
• Insurance & Health: Pension Insurance Contribution, Premium life insurance, Private medical care (for you and +1), and a Global Employee Assistance Program.
• Work Perks: Monthly meal and well-being allowance, high-end MacBook/Windows laptop, work-from-home support, and in-office refreshments.
• Growth & Community: LinkedIn Learning, internal mentoring, educational support, generous referral bonuses, and optional company events (sports, BBQs, charity).

Be part of an inclusive, innovative workplace that values belonging, flexibility, and growth