Principal AI Platform Engineer (Lead Architect)
SentinelOne1 month ago
Poland (city not specified)Staff+
Responsibilities
- Define the technical vision and multi-year roadmap for the AI Platform, including model gateway and routing, agent/MCP infrastructure, evaluation pipelines, and AI observability.
- Own architecture decisions, engineering standards, critical design reviews, and implementation guidance as technical lead without people management responsibilities.
- Partner with business, product, and engineering leaders to translate strategy and customer needs into platform capabilities and engineering priorities.
- Build customer-facing AI experiences hands-on and platformize them into shared, reusable capabilities.
- Drive technology selection and build-versus-buy decisions based on security, cost, scalability, and time-to-value.
- Mentor senior engineers and serve as an organizational expert on AI infrastructure.
Requirements
- 12+ years of experience building and operating large-scale distributed systems, including several years architecting platform or infrastructure products used by multiple teams.
- Hands-on experience taking LLM-based systems to production, including model integration and routing, retrieval or agent architectures, evaluation harnesses, and cost, latency, and quality optimization.
- Strong coding skills in a mainstream backend language such as Python or Go.
- Deep experience with Kubernetes and cloud infrastructure.
- Experience building customer-facing products, translating customer needs into technical decisions, and engaging business stakeholders.
- Proven experience leading cross-team technical initiatives with ambiguous requirements and converting business goals into sequenced technical roadmaps.
Benefits
- Restricted Stock Units (RSUs) and an Employee Stock Purchase Plan (ESPP).
- Competitive leave benefits and gender-neutral parental leave.
- Medical and insurance benefits, a pension scheme, and an Employee Assistance Program (EAP).
- Global home office allowance and mobile phone allowance.
- Wellness benefit.
Tech Stack
Categories
About SentinelOne
SentinelOne builds an AI-driven cybersecurity platform that provides endpoint protection, detection and response, XDR, cloud, and identity security for enterprises. Its Singularity platform is sold as subscription software and managed services to secure laptops, servers, containers, and cloud workloads with automated detection and remediation. Founded in 2013 and headquartered in Mountain View, California, SentinelOne is a public company listed on the NYSE following its 2021 IPO.