Senior 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 SentinelOne's capabilities, actively listening to customers and responding to their needs. We are looking for a macOS Software Engineer who will be directly involved in our core technology and ensure we are always staying ahead of cybercriminals.

What will you do?

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.

The macOS team is responsible for researching and identifying emerging issues and providing appropriate responses. The engineering team will work closely with Product, Support, Sales, R&D, and Quality Assurance to ensure any new issues are quickly addressed and incorporated into ongoing releases.

You will work directly on our macOS core technology, with additional responsibilities including responding to field events, root-causing them, and issuing patches when needed. You will participate in the implementation and design decisions for improving the agent architecture and developing new features.

What skills and knowledge should you bring?

• 5+ years of software development experience on macOS (experience level is flexible, senior engineers are encouraged to apply)

• Strong proficiency in coding in Objective-C

• Understanding of macOS user space and internals

• Experience in systematically root-causing complex OS systems

Advantages:

• Experience developing OS drivers & system extensions is a plus

• Candidates with a strong Objective-C background and interest in macOS development will be considered

• Experience managing escalations or issues requiring highly coordinated efforts to identify service restoration

• Experience with system performance analysis and mitigations

• Cybersecurity experience or exposure to macOS endpoint security platforms

• Experience with large-scale event processing systems

• Having worked with more than one OS

• Additional years of experience will be entertained, and senior-level candidates are encouraged to apply

• Swift experience is beneficial but not required

Why us?

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.

• Health & Insurance: Private medical care (for you and +1), premium life insurance, pension contribution, 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!

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.