About Us

At Sentinel One, 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 Sentinel One's capabilities, actively listening to customers and responding to their needs. We are looking for a Senior or Staff-level macOSSoftware Engineer who will be directly involved in our core technology and ensure we are always staying ahead of cybercriminals and deliver best-in-class detection.

As we're expanding our presence in EMEA, we're looking for multiple colleagues for macOS team - so it's a unique chance for you to join together as a team with other folks you enjoy working with!

What will you do?

At Sentinel One, 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.

What skills and knowledge should you bring?Must have: Strong proficiency coding in Objective-C and multiple years of SW engineering experience for macOS (macOS is highly preferred, but iOS cybersecurity SW product development experience would be also considered relevant)

• Experience level is flexible, Senior/Staff+ engineers are encouraged to apply!

• Experience in systematically root-causing complex OS systems

• Understanding of macOS user space and internals

Advantages:

• Experience developing OS drivers & system extensions or with more than one OS is a plus

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

• Experience with system performance analysis and mitigations, and with large-scale event processing systems

• Cybersecurity experience or exposure to macOS endpoint security platforms

• 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 Mac Book/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!

Sentinel One 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.

Sentinel One participates in the E-Verify Program for all U.S. based roles.