{"schemaVersion":"jobsearcher.job.v1","id":"5de5cbb32e3496d62826f503","url":"https://jobsearcher.com/jobs/5de5cbb32e3496d62826f503","canonicalUrl":"https://jobsearcher.com/jobs/5de5cbb32e3496d62826f503","title":"AfterQuery - Security Engineer","description":"Pushes the frontier of LLMs and AI agents through novel datasets and experimentation; builds infrastructure powering frontier data creation for agentic and hard-reasoning workflows for leading AI labs and YC companies.\n\nComp: $200K-$350K base (depends on experience) + $250K-$500K (4-year vesting) equity. Visa: Open to visa transfers (e.g. OPT, H1B transfers). Policy: On-site, 5 days in-office in San Francisco.\n\nOwn and build AfterQuery's security posture from the ground up while contributing to core infrastructure; protect highly sensitive AI training data and workflows across integrations with leading model labs. Founding-level role.\n\nWhat you'll do\nDesign and implement security infrastructure across cloud/production (GCP/AWS); build the 30/60/90 day plan from scratch\nBuild programmatic, scalable solutions replacing manual security workflows, incl. incident detection, response and resolution\nSecure sensitive data flows and model interaction layers unique to AI systems\nContribute to core infrastructure and horizontal platform work when not on security\nIntegrate security checks into dev workflows without slowing shipping\n\nTech stack: Python, Go, TypeScript, GCP, AWS, Docker/Containers\n\n4-12 yrs security + infrastructure engineering\nDeeply technical: has built security systems, not just configured off-the-shelf tools\nComfortable moving between security work and general engineering\nOn-site 5 days SF","company":"Decircle","rawCompany":"decircle","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-10-16T11:09:28.250Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"AfterQuery - Security Engineer","description":"Pushes the frontier of LLMs and AI agents through novel datasets and experimentation; builds infrastructure powering frontier data creation for agentic and hard-reasoning workflows for leading AI labs and YC companies.\n\nComp: $200K-$350K base (depends on experience) + $250K-$500K (4-year vesting) equity. Visa: Open to visa transfers (e.g. OPT, H1B transfers). Policy: On-site, 5 days in-office in San Francisco.\n\nOwn and build AfterQuery's security posture from the ground up while contributing to core infrastructure; protect highly sensitive AI training data and workflows across integrations with leading model labs. Founding-level role.\n\nWhat you'll do\nDesign and implement security infrastructure across cloud/production (GCP/AWS); build the 30/60/90 day plan from scratch\nBuild programmatic, scalable solutions replacing manual security workflows, incl. incident detection, response and resolution\nSecure sensitive data flows and model interaction layers unique to AI systems\nContribute to core infrastructure and horizontal platform work when not on security\nIntegrate security checks into dev workflows without slowing shipping\n\nTech stack: Python, Go, TypeScript, GCP, AWS, Docker/Containers\n\n4-12 yrs security + infrastructure engineering\nDeeply technical: has built security systems, not just configured off-the-shelf tools\nComfortable moving between security work and general engineering\nOn-site 5 days SF","datePosted":"2026-10-16T11:09:28.250Z","dateModified":"2026-10-16T11:09:28.250Z","hiringOrganization":{"@type":"Organization","name":"Decircle","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5de5cbb32e3496d62826f503"},"url":"https://jobsearcher.com/jobs/5de5cbb32e3496d62826f503"}}