Staff macOS Software Engineer at SentinelOne

Offer summary

Qualifications:

Proficiency in Objective-C and extensive experience in macOS software engineering., Strong understanding of macOS internals, user space, and the XNU kernel., Experience in root-causing complex OS system issues and multithreading., Cybersecurity experience or familiarity with macOS endpoint security platforms..

Key responsibilities:

Develop and maintain core macOS technology for SentinelOne's security products.

Respond to field events, perform root cause analysis, and issue patches as needed.

Collaborate with cross-functional teams to improve agent architecture and develop new features.

Research emerging issues in macOS systems and contribute to ongoing releases.

Job description

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 Staff (techlead-level) 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

It’d be great if you have experience with / or You’d learn & gain on our team:

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?

You will work on real-world problems and make an impact by protecting our customers from cyber threats. You will be joining a cutting-edge project and will be able to influence the architecture, design, and structure of our core platform. You will be using the latest tools and technologies, tackle extraordinary challenges and work with the very BEST in the industry.

What we offer you?

Permanent-fulltime collaboration (UoP)
Flexible working hours, this is a 100% remote role based within Poland; we provide optional membership in major co-working spaces

Currently for this role in Poland 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 grant of RSUs (restricted stock units), 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
LuxMed, Life Insurance, Disability Insurance, PPK (4% employer contribution)
Flexible time off (up to 30 paid days off per annum!)
Volunteering paid day off & Additional paid Company holidays off (e.g. 4 days in 2022)
Monthly Wellness Allowance
Monthly Working from Home allowance
Global gender-neutral Parental Leave (16 weeks, beyond the leave provided by the local laws) & Grandparent Leave
Global Employee Assistance Program (confidential counseling related to both personal and work life matters)
Udemy Business platform for Hard/Soft skills Training & Support for your further educational activities/trainings
Above-standard referral bonus

& Aditional Country-specific Benefits & Allowances To Poland

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.

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