Windows Detection Engineer

About Us:

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 seeking highly motivated individuals to join our Windows Behavioral Rules Team. The ideal candidates will have a strong background in cybersecurity, with a focus on Windows-based rule development for SIEM, EDR, XDR, or similar platforms. We are looking for team players, adept at crafting precise and effective detection rules, and committed to staying at the forefront of cybersecurity advancements. If you are passionate about contributing to innovative cybersecurity solutions, come join us and be part of our dynamic team at SentinelOne.

What will you do?

As a Windows Detection Engineer, you will play a key role in crafting, owning, and packaging default rules for our Windows agent. Your responsibilities will include creating rules that correlate different behavioral events collected from the OS, performing false positive analysis, and actively contributing to the ongoing enhancement of our detection capabilities.

You will be responsible for the following:

• Develop precise and effective detection rules and deliver default rules for the WIN agent.
• Rigorously analyze and assess false positives associated with the rules you create.
• Contribute to the optimization of rules to minimize false positives and enhance detection accuracy.
• Collaborate with the team to optimize existing default rules for superior detection capabilities.
• Stay informed about emerging threats, industry trends, and new technologies to continuously improve rule efficacy.
• Follow good detection engineering practices and the default rules you develop, including logic, descriptions, and other metadata, tests, and more. 

What experience or knowledge should you bring?

• 2+ years of experience in Detection Engineering / Red Teaming / Offensive Research
• Experience writing behavioral detection rules for EDR, XDR, SIEM or other similar platforms. Experience writing YARA or other types of static detections is nice to have.
• Deep understanding of modern Windows attack TTPs (how malware operates, evasion, and exploitation techniques).
• Understanding of Windows internals
• Hands-on experience with coding in Python and C/C++.
• Familiarity with Detection Engineering processes including prioritizing a backlog for research and development, writing unit and integration tests, and with CI/CD technologies such as Jenkins. 
• Strong analytical and problem-solving skills, with an understanding of false-positive analysis.
• Excellent communication and collaboration skills within a team-oriented environment.

Advantage

• Experience in malware analysis (statically and dynamically) and reverse engineering (x86/x64).
• Understanding of existing EDR internals.

Why us?

We are at the forefront of the most dominant space of the Cyber Security market. You'll be working closely with some of the best researchers on the planet on the most innovative and challenging features that will shape the future of Cyber Security. You will be part of a truly global team that is rapidly growing around the world, on an amazing journey of success. You will work with great people in an open, fun environment, and you will be part of an organization that truly values its people.

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) 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 (e.g. 4 days in 2022)
• Pension insurance contribution
• Premium Life Insurance covered by S1
• Monthly Meal & Wellbeing Allowance
• Private medical care membership
• High-end MacBook or Windows laptop, Home-office-setup gear & on top of that additional WFH Allowance
• Udemy Business 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.)
• DEI&B programs that promote employee resource groups like SentinelWIN (Women Inclusion Network), Blk@S1, Latinos@S1, Pan-Asian@S1, Out@S1 (LGBTQIA+) and Sentinels Who Served

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.