Member of Technical Staff - Security Engineering

Causal Labs

$150K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in security engineering, infrastructure security, or application security within large-scale systems/cloud environments (GCP, AWS, or Azure).
  • Proficiency in software and systems engineering, particularly in Linux, networking, infrastructure-as-code, and programming languages (Python, Go, Rust).
  • In-depth understanding of security challenges in machine learning platforms and protection of high-value model weights/intellectual property.
  • Ability to perform architectural security reviews and adapt to new environments quickly.
  • Focus on practical solutions that deliver real-world impact, particularly under pressure.
  • End-to-end ownership of deliverables, from initial requirements to autonomous execution.

Responsibilities

  • Design and deploy security architectures across distributed GPU clusters and network infrastructure.
  • Implement security in software development practices alongside Infrastructure and Research teams.
  • Manage identity and access, data governance, and encryption for large datasets and proprietary information.
  • Conduct threat modeling, vulnerability assessments, and establish proactive threat detection tailored for ML infrastructure.
  • Assist Forward Deployed teams to navigate security and compliance in customer environments, ensuring practical secure solutions.

Benefits

  • Health, dental, and vision insurance.
  • 401(k) with company match.
  • Generous vacation and paid time off policies.
  • Professional development opportunities.
  • Flexible work hours and remote work options.
Full Job Description
Your mission is to design and operate the security posture across our entire engineering stack. You will ensure our research environments, proprietary model weights, software infrastructure, and customer integrations remain secure, all while maintaining the rapid iteration and engineering velocity our researchers need.

Responsibilities
  • Design and deploy robust security architectures across our distributed GPU clusters, shared compute platforms, and network infrastructure.
  • Drive secure software development lifecycle (SDLC) practices, partnering with Infrastructure and Research teams to build security directly into our pipelines, APIs, and orchestrators (e.g., Kubernetes, Slurm).
  • Own identity and access management (IAM), data governance, and encryption strategies for petabyte-scale physical observation data and proprietary model checkpoints.
  • Conduct threat modeling, vulnerability assessments, and implement proactive threat detection and incident response tooling tailored to the unique footprint of large-scale ML infrastructure.
  • Support Forward Deployed teams by navigating the strict security and compliance constraints of high-stakes customer environments, delivering secure solutions that work in practice, not just in theory.

What we're looking for
  • Demonstrated experience in security engineering, infrastructure security, or application security within large-scale distributed systems or cloud environments (GCP, AWS, or Azure).
  • Strong systems and software engineering background: Linux, networking, infrastructure-as-code, and proficiency in programming languages like Python, Go, or Rust.
  • Deep understanding of the unique security challenges associated with machine learning platforms, distributed training, and protecting high-value model weights/IP.
  • Comfort working directly with complex systems, conducting architectural security reviews, and adapting fast to new constraints or customer environments.
  • A bias toward real-world impact over elegance: solutions that actually work for the user, under pressure.
  • Owns deliverables end-to-end, from requirements through autonomous execution.

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