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?

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 Spain; we provide optional membership in major coworking chains

• Currently for this role in Spain 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

• 30 Days of Paid Annual Leave

• Flexible Paid Sick Days

• Pension insurance contribution

• Premium Life Insurance covered by S1

• Premium Medical & Dental Insurance covered by S1

• Meal, Transport & Homeoffice allowance of total 440 EUR/month

• 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 & Support for your further educational activities/trainings

• Above-standard referral bonus

& Aditional country-specific benefits to Spain

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.