Staff macOS Software Engineer

About Us

At SentinelOne, we’re redefining cybersecurity by pushing the limits of what’s possible—leveraging AI-powered, data-driven innovation to stay ahead of tomorrow’s threats.

From building industry-leading products to cultivating an exceptional company culture, our core values guide everything we do. We’re looking for passionate individuals who thrive in collaborative environments and are eager to drive impact. If you’re excited about solving complex challenges in bold, innovative ways, we’d love to connect with you.

What are we looking for?

We are continuously expanding the capabilities of SentinelOne, actively listening to customers and responding to their needs. We are looking for an experienced engineer for macOS who will be directly involved in our core technology, ensure we are always staying ahead of cybercriminals and deliver best-in-class detection.

What will you do?

At SentinelOne you will be a part of our organization of globally distributed system and kernel developers who work deeply within the 3 main OS's of the world: Windows, Linux and macOS. We are responsible for researching and identifying emerging issues and providing appropriate responses. We also work closely with Support, Sales (in order to win multi million dollar deals), other SW Engineers, and Quality Assurance to ensure any new issues are quickly addressed and then made a part of the ongoing releases.

You will be working in a team that is responsible for everything macOS-related from S1 core technology, running on millions of endpoints (in different environments, from C levels to developers) across thousands of 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.

What skills & knowledge should you bring?

• Strong proficiency coding in Objective-C and several years of SW engineering experience for macOS (macOS is highly preferred, but iOS cybersecurity SW product development experience would also be considered relevant)
• Experience in systematically root-causing complex OS systems
• Understanding of macOS user space and internals
• Understanding of the XNU kernel
• Understanding of XPC and other IPC mechanisms
• Understanding of Grand Central Dispatch
• Understanding of multithreading and its potential pitfalls

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

Why us?

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.

What we offer you

• Flexible working hours, this is a 100% remote role based within Italy; we provide optional membership in major coworking chains
  • Currently for this role in Italy we are able to consider only candidates that are already eligible to work in the EU at the time of applying
  • Optionally for those willing to relocate to the Czech Republic relocation assistance is available for any candidates that are already eligible to work in the EU at the time of applying

• Generous employee stock plan in the form of RSUs (restricted stock units) grant not options; 4 years vesting with 1 year cliff and then quarterly, stock refresh yearly
• Yearly bonus depending on the performance of the company, paid out in 2 installments
• Quadro benefits - Private Medical, Life Insurance, Accident Insurance, Study funds and Healthcare benefits
• Flexible time off (up to 30 paid days off per annum!)
• Global gender-neutral Parental Leave (16 weeks, beyond the leave provided by the local laws) & Grandparent Leave
• Volunteering paid day off & Additional paid Company holidays off (e.g. 4 days in 2022)
• Global Employee Assistance Program (confidential counseling related to both personal and work life matters)
• Udemy Business platform for Hard/Soft skills Training, internal mentoring 'MentorOne' & Support for your further educational activities/trainings
• Above-standard referral bonus

& Aditional country-specific benefits to Italy

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.