Software Engineer, Security
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Before you apply
SalaryNo pay range posted
LocationSan Francisco, California
Work modeon-site
Typefull-time
DepartmentEngineering
Company size201–500 people
First seenMar 22, 2026 · 7mo ago
Verified live1d ago
May no longer be actively hiring
First seen on the company's careers page 227 days ago49% of this company's open roles have been listed for 90+ daysNo pay range listed, though California requires one
At a glanceSummarised by Seekless from the posting.
Hands-on experience in building and maintaining secure infrastructure
Cloud security fundamentals including multi-account AWS permissions and architectures, IAM design, secure CI/CD pipelines
Fluent in secrets management, key management, and certificate lifecycles (rotation, revocation, automation)
Owned compliance efforts such as HIPAA, SOC2, etc.
Comfortable with security hardening and other details to make engineering systems run smoothly (VPN, development servers, etc.)
Super vigilant about vulnerabilities, potential attacks, and abuse
Skills
AWS
IAM
CI/CD
VPN
Benefits
Health insurance
Dental insurance
Vision insurance
Fertility benefits
Wellness stipend
About the company
Exa is an applied AI lab building a search engine unlike the world has ever seen. We build massive-scale infra to crawl the entire web, train state-of-the-art embedding models to process it, and design super high performant vector databases to retrieve over it. We now power search for Cursor, Cognition, HubSpot, and over 400,000 developers and have raised $350m from Lightspeed, Benchmark, and a16z.
Our ultimate goal is to build perfect search over all the world’s information, far beyond Google. If you want to build massive-scale ML systems that will define the way the new AI world consumes information, this is the place for you.
About the role
We are hiring a Security Engineer to build the protective shield for all of Exa’s systems. These systems include: processing web scale data, indexing hundreds of billions of pages, training foundational models on TBs of data, serving thousands of enterprise customers from our endpoints. You will be critical in making Exa run securely while ensuring our shipping velocity.
Desired Experience
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You have hands-on experience in building and maintaining secure infrastructure
•
You know your way around cloud security fundamentals, including multi-account AWS permissions and architectures, IAM design, secure CI/CD pipelines
•
You are fluent in secrets management, key management, and certificate lifecycles (rotation, revocation, automation)
•
You have owned compliance efforts such as HIPPA, SOC2, etc.
•
You are comfortable with security hardening and any other details needed to make engineering systems run smoothly (VPN, development servers, etc.)
•
You are super vigilant about vulnerabilities, potential attacks, and abuse, and constantly think about how to operate securely with the introduction of new technologies (OS-level, AI coding agents, etc.)
Example Projects
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Build a secrets management and rotation system used across distributed services, training jobs, and GPU clusters without impacting developer velocity
•
Build monitoring and alerting for anomalous behavior across APIs, internal services, and customer usage
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Create security incident response playbooks and lead incident handling, from detection to post-mortem
Benefits
This is an in-person opportunity in San Francisco. We’re happy to sponsor international candidates (e.g., STEM OPT, OPT, H1B, O1, E3). In addition to premium healthcare benefits (medical, dental, vision), we also offer fertility benefits and a monthly wellness stipend to all of our employees.
Legal
Exa is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, sexual orientation, gender identity or expression, national origin, disability, age, veteran status, marital status, pregnancy or related conditions, criminal histories consistent with applicable law, or any other basis protected by applicable law.