{"id":131548,"url":"https://alion.io/job/sentinelone-principal-ai-platform-engineer-2","title":"Principal AI Platform Engineer (Lead Architect)","company":{"id":46,"name":"SentinelOne","domain":"sentinelone.com","url":"https://alion.io/company/sentinelone","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":80,"open_postings":21,"ghost_share":0,"stale_share":0.81,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-10-17T05:46:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Brno, Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":62000,"max_usd":149000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1119},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AWS","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Kong","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"LLM Evaluation","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Python","optional":false},{"name":"SentinelOne","optional":false}],"status":"live","first_seen_at":"2026-08-07T06:24:48Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-18T22:15:58Z","board_verified":true,"closed_at":null,"days_open":72,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":72},"description":"Our Purpose \nAt SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find purpose here.\nAbout Us \nSentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics, intelligent automation, and a unified data foundation, we reduce noise, simplify complexity, and empower security teams to focus on what truly matters.\nOur teams are builders, problem-solvers, and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented, mission-driven people, we invite you to help us build a safer future for humanity.\nWhat Are We Looking For?\nWe’re looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.\nSentinelOne is building a new AI Platform team whose mission is to accelerate AI feature delivery across the company while ensuring every AI feature meets our security, cost, and quality standards. We are looking for a Principal AI Platform Engineer / Principal Software Engineer focusing on AI/ML, to be the founding technical leader of this team: you will partner directly with the team's engineering leader to define the technical vision and roadmap for the platform that every AI-powered capability at SentinelOne will build on. SentinelOne already ships AI at scale - from our patented detection models to Purple AI, our award-winning generative AI security analyst - and your challenge is to turn these proven but distributed capabilities into one coherent platform: deciding what to reuse, what to rebuild, and what to create new. This role is as much about product as it is about platform: you should be able to build AI experiences customers love, and then platformize what was built into capabilities that every team can reuse. If you want your technical judgment to set the direction of AI at a leading cybersecurity company, this is a role for you.\nWhat Will You Do?\nPrimary responsibilities include:\nDefine the technical vision and multi-year roadmap for SentinelOne's AI Platform (model gateway/routing - using tools like e.g. Kong; agent/MCP infrastructure, evaluation pipelines, AI observability, and more) in partnership with engineering leadership.\nServe as the tech lead by owning architecture decisions, setting engineering standards, reviewing critical designs, and guiding implementation across the team without people management responsibilities.\nSupport business-critical AI initiatives, partnering with product and engineering leaders to translate business strategy into platform capabilities and clear engineering priorities.\nPartner with product teams to build customer-facing AI experiences hands-on, then platformize what was built into shared, reusable capabilities.\nDrive technology selection and build-vs-buy decisions for the platform's core stack, weighing security, cost, scalability, and time-to-value.\nMentor senior engineers across the organization and act as a recognized expert on AI infrastructure within and beyond the company.\nWhat Skills and Knowledge Will You Bring?\nIdeal candidates will have:\n12+ years of experience building and operating large-scale distributed systems, including several years driving the architecture of platform or infrastructure products used by multiple teams.\n2+ years hands-on experience taking LLM-based systems to production (e.g., model integration and routing, retrieval or agent architectures, evaluation harnesses, and cost/latency/quality optimization).\nStrong hands-on coding skills in a mainstream backend language (e.g., Python or Go) and deep experience with Kubernetes and cloud infrastructure (AWS and/or GCP).\nStrong product acumen with experience building world-class customer-facing products, translating customer needs into technical decisions, and engaging business stakeholders.\nProven track record as a tech lead of cross-team initiatives with ambiguous requirements, turning vague business goals into a sequenced technical roadmap.\nWhy SentinelOne?\nAI is redefining how the world operates and rewriting the rules of security in real time, and SentinelOne was built for this moment. From day one, we architected an AI-native platform designed to operate at machine speed, not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together, this is that place.\nWe invest in our Sentinels with comprehensive, competitive benefits designed to support you and your family:\nEquity & Rewards\nRestricted Stock Units (RSUs)\nEmployee Stock Purchase Plan (ESPP)\nPerformance-based bonus\nTime Off & Wellbeing\nFlexible time off, on top of the standard 5 weeks PTO\nPaid company wellness days and fully paid short-term sick/nursing leave\nGender-neutral parental leave\nInsurance & Financial Security\nPrivate medical care benefit\nLife and disability insurance\nPension Insurance contribution\nGlobal business travel medical insurance\nEmployee Assistance Program (EAP)\nWork Perks & Flexibility\nGlobal home office allowance\nMeal allowance\nHybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Only Prague-based employees are required to work from the office at least 2 days//week.\nWellness & Lifestyle\nWellbeing allowance\nMultiSport benefit program\nWellness Coach app\nSentinelOne 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.\nSentinelOne participates in the E-Verify Program for all U.S. based roles.","description_format":"text","description_chars":6678,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Equity","Flexible time off","Health insurance","Home office","Hybrid work","Parental leave","Restricted stock units"],"hiring_locations":[{"name":"Czech Republic","iso":"CZ","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cloud Security","Endpoint Security","Security Operations","Cybersecurity AI"],"lifecycle":[{"event":"open","at":"2026-08-07T06:24:48Z"}],"visa":[],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.475,"p_room":0.44,"age_days":70,"expected_fill_days":48,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/sentinelone-principal-ai-platform-engineer-2","json_url":"https://alion.io/job/sentinelone-principal-ai-platform-engineer-2.json","meta":{"generated_at":"2026-10-19T01:21:20Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":632,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":46},"rest":"https://alion.io/mcp/rest/get_company?id=46"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsentinelone-principal-ai-platform-engineer-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsentinelone-principal-ai-platform-engineer-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsentinelone-principal-ai-platform-engineer-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/sentinelone-principal-ai-platform-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsentinelone-principal-ai-platform-engineer-2"}]}