At Brain Co., we build AI systems that power mission-critical workflows for some of the world’s most important institutions. Our platform operates in high-stakes, highly regulated environments where security is not an afterthought — it is a core product requirement.
As a Security Engineer at Brain Co., you will design and build the security foundations that protect AI systems deployed inside governments, energy providers, and healthcare organizations. You will work across cloud infrastructure, application layers, and compliance-driven environments to ensure our platform is secure by default, auditable, and resilient at scale.
This is a foundational role on our Platform organization. You will partner closely with Infrastructure, AI/ML, and Product Engineering to embed security into how we design, ship, and operate systems — not bolt it on afterward.
Design and scale Kubernetes- and Terraform-based infrastructure across customer environments.
Define standards for networking, security, CI/CD, and multi-region deployments.
Build and maintain metrics, logging, tracing, dashboards, and SLOs.
Diagnose and improve performance across distributed systems and AI workloads.
Support high-performance inference, data pipelines, and large-scale backend services.
Ensure systems scale reliably under fast-growing and unpredictable workloads.
Partner with technical leaders on architecture and mentor engineers.
Have 5+ years building large-scale backend or infra systems.
Know Kubernetes, Terraform, cloud networking, orchestration, and observability tools.
Bring strong distributed systems, performance, and incident-response experience
Work well with customers and teams to deliver reliable solutions.
Thrive in high-agency environments and set engineering standards.
Enjoy ambiguity, autonomy, and solving tough infra problems.
Ship quickly, iterate constantly and see your work deployed at global scale
Collaborate with industry veterans from Tesla, DeepMind, Databricks, and more
Accelerate your career with ownership based on impact, not tenure
Earn competitive compensation + meaningful equity in a high-growth company
Thrive in a culture built on speed, curiosity, and impact
Competitive salary plus equity
Daily lunches
Commuter benefits
401(k)
Medical, Dental and Vision
Unlimited PTO
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Headquartered in Somerville, MA, BrainCo develops cognitive training technology products. The company utilizes machine learning, design, and neuroscience to create cognitive-based applications.
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