Member of Technical Staff - Security Eng. at Prime Intellect | CA, US | Rezi

Member of Technical Staff - Security Eng. at Prime Intellect

Member of Technical Staff - Security Eng.

Prime Intellect · CA, US

1 weeks ago

Member of Technical Staff - Security Eng.

Prime Intellect · CA, US

9 days ago
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About the Role

Prime Intellect is building the open superintelligence stack, providing infrastructure for AI labs. Our platform unifies compute, environments, and more for post-training at frontier scale. We are seeking individuals to build at the intersection of frontier research, real infrastructure, and go-to-market for a new category. This role involves owning the security engineering that protects sensitive IP and ensures trust across our GPU infrastructure, training platform, and sandboxes.

Responsibilities

  • Harden cloud, GPU, and server infrastructure across hosted and customer-controlled environments, including Linux, Kubernetes, networking, and tenant isolation.
  • Build security telemetry, audit trails, detections, and actionable alerts for suspicious access, workload behavior, and data movement.
  • Lead incident response from investigation and containment through recovery, postmortems, and lasting fixes.
  • Own vulnerability prioritization and remediation, coordinating urgent patches with infrastructure and product teams.
  • Build secure defaults for identity, secrets, data access, and deployment pipelines that meet enterprise and sovereign requirements.
  • Test systems with an attacker’s mindset, run threat models and penetration tests, and turn findings into shipped improvements.

Requirements

  • Experience securing critical production systems with sensitive customer data or proprietary IP, ideally for demanding enterprises, research labs, or private and on-prem deployments.
  • Experience responding to real security incidents, including post-incident analysis and implementation of changes.
  • Proficiency in Linux, cloud IAM, networking, and container security, with a track record of implementing effective production controls.
  • Ability to identify security vulnerabilities and implement fixes through code, detections, tooling, and infrastructure changes.
  • Demonstrated ownership of ambiguous problems, practical risk assessment, and clear communication to drive consensus.

Location

  • San Francisco

Work Type

  • Onsite
  • Full-time

Experience Level

  • Lead-level IC
  • Scope to manage people over time

Salary/Compensations

  • $150,000-300,000

Benefits

  • Equity
  • Full visa sponsorship and relocation support
  • Professional development budget for courses and conferences
  • Quarterly team off-sites, hackathons, conferences, and learning opportunities

About the Company

  • Prime Intellect is building the open superintelligence stack: the infrastructure frontier AI labs build internally, made available to every ambitious AI team.
  • Our platform, Lab, unifies compute, environments, evaluations, secure sandboxes, high-performance training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and continuously improving production models.
  • We are building open frontier AI: open-source models trained end to end for long-horizon tasks like autonomous research, and the full-stack platform our own research team uses to build them.
  • The next generation of AI companies, enterprises, and research teams do not just need more GPUs. They need the ability to turn their own workflows, tools, data, and feedback loops into superintelligence they own.
  • Prime Intellect has raised $150M in total funding from Founders Fund, Radical Ventures, NVIDIA, and exceptional AI, infrastructure, and enterprise operators, including Andrej Karpathy, Dwarkesh Patel, and leaders and founders from Ramp, Perplexity, Harvey, Mercor, Zapier, Datadog, Cognition, OpenAI, Thinking Machines, Together AI, SemiAnalysis, LangChain, Browserbase, Cloudflare, Sierra, Databricks, Airbnb, OpenRouter, Standard Intelligence, Fleet, Core Auto, and more.
  • We are looking for people who want to build at the intersection of frontier research, real infrastructure, and go-to-market for a category that does not fully exist yet.