Software Engineer, Security

The role

You will build the protective shield for Exa's systems, including web scale data processing, indexing, and foundational model training. You will ensure the company runs securely while maintaining shipping velocity.

What you will do

• Build a secrets management and rotation system used across distributed services, training jobs, and GPU clusters
• Build monitoring and alerting for anomalous behavior across APIs, internal services, and customer usage
• Create security incident response playbooks
• Lead incident handling from detection to post-mortem

Required qualifications

• Hands-on experience in building and maintaining secure infrastructure
• Knowledge of cloud security fundamentals, including multi-account AWS permissions and architectures, IAM design, and secure CI/CD pipelines
• Fluency in secrets management, key management, and certificate lifecycles
• Experience owning compliance efforts such as HIPPA, SOC2, etc.
• Comfort with security hardening and details like VPN and development servers
• Vigilance about vulnerabilities, potential attacks, and abuse

Nice to have

• Ability to operate securely with the introduction of new technologies (OS-level, AI coding agents, etc.)

Benefits

• Premium healthcare benefits (medical, dental, vision)
• Fertility benefits
• Monthly wellness stipend

Before you apply

• We're happy to sponsor international candidates (e.g., STEM OPT, OPT, H1B, O1, E3)

About the company

Exa is an applied AI lab building a search engine. They build massive-scale infra to crawl the web, train embedding models, and design vector databases.