{"schemaVersion":"jobsearcher.job.v1","id":"24cb9ce595b3ec12b5c25793","url":"https://jobsearcher.com/jobs/24cb9ce595b3ec12b5c25793","canonicalUrl":"https://jobsearcher.com/jobs/24cb9ce595b3ec12b5c25793","title":"Senior Software Security Engineer","description":"We're partnering with a rapidly growing AI infrastructure startup that is redefining how enterprises automate complex operational workflows. Backed by some of Silicon Valley's leading investors and AI pioneers, the company has built a platform that transforms highly technical business processes into natural-language-driven software, enabling Fortune 500 organizations to automate mission-critical operations at scale.\r\nWith hundreds of thousands of production workflows executed across regulated industries including financial services, insurance, and telecommunications, they're tackling some of the most challenging security problems in modern AI infrastructure. The team is lean, highly technical, and operates entirely in-person from San Francisco.\r\nThe OpportunityAs the company's first dedicated Security Engineer, you'll have the rare opportunity to build and own the security function from the ground up. This is a highly impactful role for a hands‑on builder who enjoys creating security solutions that enable engineering velocity rather than restrict it.\r\nYou'll work closely with a team of senior platform engineers to secure a multi‑tenant AI platform processing sensitive enterprise data while establishing the security foundations required to support continued growth and enterprise adoption.\r\nWhat You'll DoOwn the company's security program end-to-end, spanning application security, infrastructure security, information security, and compliance\r\nBuild security tooling and automation that makes secure-by-default development the easiest path for engineers\r\nSecure large‑scale AI infrastructure, including tenant isolation, secrets management, network segmentation, cloud environments, and regulated data pipelines\r\nLead threat modeling, secure code reviews, vulnerability management, and security architecture initiatives across the platform\r\nDrive compliance programs including SOC 2 and PCI, serving as the primary internal security owner\r\nPartner directly with enterprise customers and their security teams to communicate security posture and respond to assessments\r\nEstablish security best practices across the engineering organization while balancing security, usability, and product velocity\r\nWhat We're Looking For4 years of software engineering experience with a strong security background\r\nHands‑on experience across application security, cloud security, infrastructure hardening, and secure software development\r\nExperience building security tooling, automation, or developer‑focused security platforms\r\nFamiliarity with AWS, containerized environments, Infrastructure as Code, CI/CD security, and modern cloud architectures\r\nExperience supporting compliance frameworks such as SOC 2, PCI, or similar regulatory requirements\r\nStrong communication skills and the ability to influence engineering teams through collaboration rather than process enforcement\r\nNice to HaveExperience securing AI/LLM-powered systems\r\nMulti‑tenant SaaS security experience\r\nBackground in fintech, healthcare, insurance, or other regulated industries\r\nExperience designing security controls for highly sensitive enterprise environments\r\nWhy Join?Build a security program from zero to one\r\nWork at the intersection of AI infrastructure and security\r\nOwn broad technical scope across product, cloud, compliance, and enterprise security\r\nCollaborate with an exceptionally senior engineering team\r\nJoin a well‑funded, high‑growth company solving complex real‑world problems for some of the world's largest enterprises#J-18808-Ljbffr","company":"Xcede","rawCompany":"xcede","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-08-21T01:28:08.517Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"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":"Senior Software Security Engineer","description":"We're partnering with a rapidly growing AI infrastructure startup that is redefining how enterprises automate complex operational workflows. Backed by some of Silicon Valley's leading investors and AI pioneers, the company has built a platform that transforms highly technical business processes into natural-language-driven software, enabling Fortune 500 organizations to automate mission-critical operations at scale.\r\nWith hundreds of thousands of production workflows executed across regulated industries including financial services, insurance, and telecommunications, they're tackling some of the most challenging security problems in modern AI infrastructure. The team is lean, highly technical, and operates entirely in-person from San Francisco.\r\nThe OpportunityAs the company's first dedicated Security Engineer, you'll have the rare opportunity to build and own the security function from the ground up. This is a highly impactful role for a hands‑on builder who enjoys creating security solutions that enable engineering velocity rather than restrict it.\r\nYou'll work closely with a team of senior platform engineers to secure a multi‑tenant AI platform processing sensitive enterprise data while establishing the security foundations required to support continued growth and enterprise adoption.\r\nWhat You'll DoOwn the company's security program end-to-end, spanning application security, infrastructure security, information security, and compliance\r\nBuild security tooling and automation that makes secure-by-default development the easiest path for engineers\r\nSecure large‑scale AI infrastructure, including tenant isolation, secrets management, network segmentation, cloud environments, and regulated data pipelines\r\nLead threat modeling, secure code reviews, vulnerability management, and security architecture initiatives across the platform\r\nDrive compliance programs including SOC 2 and PCI, serving as the primary internal security owner\r\nPartner directly with enterprise customers and their security teams to communicate security posture and respond to assessments\r\nEstablish security best practices across the engineering organization while balancing security, usability, and product velocity\r\nWhat We're Looking For4 years of software engineering experience with a strong security background\r\nHands‑on experience across application security, cloud security, infrastructure hardening, and secure software development\r\nExperience building security tooling, automation, or developer‑focused security platforms\r\nFamiliarity with AWS, containerized environments, Infrastructure as Code, CI/CD security, and modern cloud architectures\r\nExperience supporting compliance frameworks such as SOC 2, PCI, or similar regulatory requirements\r\nStrong communication skills and the ability to influence engineering teams through collaboration rather than process enforcement\r\nNice to HaveExperience securing AI/LLM-powered systems\r\nMulti‑tenant SaaS security experience\r\nBackground in fintech, healthcare, insurance, or other regulated industries\r\nExperience designing security controls for highly sensitive enterprise environments\r\nWhy Join?Build a security program from zero to one\r\nWork at the intersection of AI infrastructure and security\r\nOwn broad technical scope across product, cloud, compliance, and enterprise security\r\nCollaborate with an exceptionally senior engineering team\r\nJoin a well‑funded, high‑growth company solving complex real‑world problems for some of the world's largest enterprises#J-18808-Ljbffr","datePosted":"2026-08-21T01:28:08.517Z","dateModified":"2026-08-21T01:28:08.517Z","hiringOrganization":{"@type":"Organization","name":"Xcede","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"24cb9ce595b3ec12b5c25793"},"url":"https://jobsearcher.com/jobs/24cb9ce595b3ec12b5c25793"}}