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Obsidian Security Pulls In $85M Series D

7AI Raises $130M Series A

Obsidian Raises $85 Million Series D to Scale AI Agent Security Growth

Obsidian Security Raises $85 Million Series D At $1.1 Billion Valuation

Senior Software Engineer, Physical AI

Greylock Partners is an early-stage investor in innovative companies, and they are seeking a Senior Software Engineer for a seed-stage infrastructure company in New York that focuses on physical AI systems. The role involves designing software models of complex physical systems and developing platform capabilities while working closely with customers and the engineering team.

Sr. Simulation Engineer, Physical AI

Greylock Partners is an early-stage investor focusing on innovative startups, and they are seeking a Senior Simulation Engineer in Physical AI. This role involves building a platform to enhance simulation capabilities for autonomous physical systems, working closely with engineering teams to create robust workflows and improve simulation fidelity.

Research Scientist (Frontier AI Infra)

Greylock Partners is an early-stage investor in frontier AI infrastructure companies, and they are seeking a Research Scientist to tackle complex problems at the intersection of AI research and software engineering. The role involves designing evaluation frameworks, developing benchmarks, and translating real-world workflows into evaluation systems.

Sr. Applied Research Engineer (Agentic AI)

Greylock Partners is an early-stage investor in numerous successful companies and is currently looking to expand their Machine Learning team. The role requires a candidate with extensive experience in Generative AI and a strong passion for advancing state-of-the-art AI technologies.

Greylock Partners is a seed-stage frontier AI infrastructure company focused on building next-generation software and evaluation systems for frontier AI. The role involves tackling complex problems at the intersection of AI research and software engineering, with responsibilities including designing evaluation frameworks and developing benchmarks for AI models.

Machine Learning Infrastructure Engineer

Greylock Partners is an early-stage investor in numerous remarkable companies, and they are seeking talented engineers with strong infrastructure and distributed systems backgrounds to support the growth of their investments. The role focuses on scaling AI and requires industry experience in ML Infrastructure and AI Engineering.

Machine Learning Infrastructure Engineers (Multiple Opportunities)

Founding Applied Scientist (LLM)

Greylock Partners is an early-stage cybersecurity investment founded by a successful serial entrepreneur, seeking to hire a Founding Applied Scientist / Research Engineer. The role involves architecting core ML pipelines and ensuring research-grade ML experiments are stable and repeatable in an enterprise setting.

Founding ML Engineer – Search & Agents

Greylock Partners is an early-stage investor in remarkable companies, and they are seeking a Founding ML Engineer to own the search and retrieval layer for a seed-stage company building vertical AI for physical science R&D. This role involves hands-on ownership of search quality and evaluation, defining retrieval, ranking, and evaluation processes, and shipping systems into production based on user feedback.

Chief Research Scientist

Greylock Partners is an early-stage AI infrastructure company seeking a Chief Research Scientist to develop next-generation autonomous systems for enterprise operations. The role involves building an AI-native platform that enhances operational efficiency and resilience in complex enterprise environments.

Founding Research ML Engineer

Greylock Partners is an early-stage cybersecurity investment company looking to hire a Founding Research ML Engineer with a strong background in Machine Learning and cybersecurity. The role involves architecting core ML pipelines and ensuring research-grade ML experiments can be run in a stable and repeatable manner in the enterprise.