SentinelOne is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real-time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With SentinelOne, organizations gain full transparency into everything happening across the network at machine speed – to defeat every attack, at every stage of the threat lifecycle.
We are a values-driven team where names are known, results are rewarded, and friendships are formed. Trust, accountability, relentlessness, ingenuity, and OneSentinel define the pillars of our collaborative and unified global culture. We're looking for people that will drive team success and collaboration across SentinelOne. If you’re enthusiastic about innovative approaches to problem-solving, we would love to speak with you about joining our team!
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 a Staff-level AI / Machine Learning Researcher who will be directly involved in developing our core technology and ensuring we are always staying ahead of cybercriminals.
What Will You Do?
- You'll be part of a team of globally distributed AI engineers and researchers, focused on bringing the most recent advances in machine learning technology to help our customers efficiently discover and defeat threats. We're the team behind products such as PurpleAI (released for general availability in April 2024, see also the recent demo), awarded 2x as one of the Top10 hottest cyber products of 2023+2024 or with CyberScoop 50 Innovation of the Year Award; and more!
- As a ML specialist on the team, you will ideate and create features that will help our engineering teams as well as support our customers by providing better visibility into the health of the endpoints in the field.
- You will collaborate across multiple engineering teams to design and build net new capabilities that will be used across SentinelOne’s industry-leading platform.
- As Staff-level engineer, you should be willing and able to inspire others and lead them technically.
- As we're extending our team by more new colleagues, your focus may be directed more to either Science side (take functional requirements in ML/AI from ideation to delivery) or Platform side (efficiently deliver models & science systems into production) - depending on your skills, experience & interests.
What Skills and Experience Will You Need?
- Master’s Degree in any quantitative science or engineering field. Additional or directly relevant experience will be considered in lieu of a degree
- 7+ years of experience solving complex problems using modern AI/ML techniques
- Experience in designing, training and evaluating models
- Experience with collecting, building, and tailoring large datasets for training machine learning models
- Comfort-level working cross-functionally across both research and product teams
- Must-have: Demonstrated experience developing complex solutions leveraging API-based LLMs, and strong familiarity with LLMs and their capabilities
Preferred qualifications
- Prior experience leading the development of generative models and their applications
- Experience with model parallelism for working with large neural network architectures
- Expertise in natural language processing, especially practical experience developing modern, transformer-based language models
- First-author publications at peer-reviewed AI conferences
- Experience in software engineering and with data structures
- Very nice to have: Experience with endpoint security or OS concepts
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 tackle extraordinary challenges and work with the very BEST in the industry.
On top of that we offer you
- Flexible working hours, In Prague & nearby we're working in a hybrid model with offices in Karlin (brand new Missouri Park), remotely in the rest of CZ or SK, with optional Brno offices (Clubco Vlněna) for those who like to meet
- 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
- Yearly bonus depending on the performance of the company, paid out in 2 installments
- Flexible Time Off (on top of the standard 5 weeks of vacation)
- Flexible Paid Sick Days
- Fully Paid Short Term Sick/Short Term Nursing Leave
- 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
- Pension insurance contribution
- Premium Life Insurance covered by S1
- Monthly Meal & Wellbeing Allowance
- Private medical care (English speaking) membership for you and your +1
- Global Employee Assistance Program (confidential counseling related to both personal and work life matters), Wellness Coach:Mind Body Sleep app company access (sessions, audiobooks, classes, private coaching etc.)
- High-end MacBook or Windows laptop, Home-office-setup gear & on top of that additional WFH Allowance
- LinkedIn Learning platform for Hard/Soft skills Training, internal mentoring 'MentorOne' & Support for your further educational activities/trainings
- Above-standard referral bonus
- On top of RSUs, you can benefit also from our attractive ESPP (employee stock purchase plan)
- Refreshments and snacks at the offices
- Optional company events for those who like to meet outside of work too (sport, BBQ, charity etc.)
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.
SentinelOne Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SentinelOne and has not been reviewed or approved by SentinelOne.
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Parental & Family Support — Policies include at least 16 weeks fully paid, gender‑neutral parental leave with family‑forming support and a flexible return period. Grandparent leave and caregiver‑inclusive language reinforce broad family coverage.
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Leave & Time Off Breadth — Time away options span unlimited PTO alongside paid holidays, sick time, and volunteer time. Feedback suggests teams can leverage varied leave types for both personal needs and community engagement.
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Equity Value & Accessibility — Equity features include RSU grants and an ESPP, complementing base pay and bonuses. Feedback suggests the equity mix is a meaningful part of total rewards with multi‑year vesting.
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What We Do
SentinelOne is a leading provider of autonomous security solutions for endpoint, cloud, and identity environments. Founded in 2013 by a team of cybersecurity and defense experts, SentinelOne revolutionized endpoint protection with a new, AI-powered approach. Our platform unifies prevention, detection, response, remediation, and forensics in a single, easy-to-use solution. Our endpoint security product is designed to protect your organization's endpoints from known and unknown threats, including malware, ransomware, and APTs. It uses artificial intelligence to continuously learn and adapt to new threats, providing real-time protection and automated response capabilities. SentinelOne's approach to security is designed to help organizations secure their assets with speed and simplicity. We provide the ability to detect malicious behavior across multiple vectors, rapidly eliminate threats with fully-automated integrated response, and adapt their defenses against the most advanced cyberattacks. We are recognized by Gartner in the Endpoint Protection Magic Quadrant as a Leader and have enterprise customers worldwide. Our customers include some of the world's largest companies in various industries such as finance, healthcare, government, and more. At SentinelOne, we understand that cybersecurity is a constantly evolving field and that the threats facing organizations are becoming increasingly sophisticated. That's why we are committed to staying at the forefront of technology and innovation and providing our customers with the best protection against cyber threats. We offer our customers a wide range of services, including threat hunting, incident response, and incident management. Our team of experts is available to assist you 24/7 and can help you respond to and manage cyber incidents quickly and effectively. To learn more about our products and services, please visit our website at www.sentinelone.com or contact us to schedule a demo
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