{"schemaVersion":"jobsearcher.job.v1","id":"b96e0f4b7eef47768abb4d8e","url":"https://jobsearcher.com/jobs/b96e0f4b7eef47768abb4d8e","canonicalUrl":"https://jobsearcher.com/jobs/b96e0f4b7eef47768abb4d8e","title":"Senior Application Security Engineer, AI and Machine Learning","description":"Senior Application Security Engineer, AI and Machine Learning\r\nSan Francisco, California, United States; Seattle, Washington, United States\r\nWho We Are\r\nLightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction.\r\nThrough our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in.\r\nWe serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.\r\nOur Values\r\nMove Fast : We act with speed and precision, breaking down big challenges into achievable steps.\r\nFocus : We complete one goal at a time with care, collaborating as a team to deliver features with precision.\r\nBalance : Sustained performance comes from rest and recovery. We ensure a healthy work-life balance to keep you at your best.\r\nCraftsmanship : Innovation through excellence. Every detail matters, and we take pride in mastering our craft.\r\nMinimal : Simplicity drives our innovation. We eliminate complexity through discipline and focus on what truly matters.\r\nWhat We're Looking For\r\nWe are looking for a Senior Application Security Engineer to help secure our AI, machine learning, and inference platforms. This is a hands on technical role focused on building security into modern AI infrastructure, inference systems, and developer platforms.\r\nYou will work closely with platform engineers, ML engineers, and infrastructure teams to identify risks, design secure architectures, and build security tooling that enables engineers to move quickly and safely.\r\nThis role is execution focused. You will drive technical implementation, perform deep security reviews, and help build out our application security capabilities alongside the CISO and engineering leadership.\r\nThis is a hybrid role based in either our Seattle or San Francisco office. The anticipated salary range for this role is $180,000 - $220,000.\r\nWhat You'll Do\r\nSecure AI and Machine Learning Systems\r\nPerform threat modeling across AI platforms, inference services, and ML pipelines\r\nIdentify risks such as prompt injection, model extraction, adversarial inputs, and data leakage\r\nReview model serving architectures and inference pipelines\r\nPartner with ML engineers to secure training, fine tuning, and deployment workflows\r\nHelp design isolation and security controls for multi tenant AI workloads\r\nApplication Security Engineering\r\nPerform architecture and design security reviews\r\nIdentify security gaps in APIs, micro-services, and distributed systems\r\nBuild secure patterns for authentication, authorization, and service to service communication\r\nHelp engineering teams implement secure defaults and guardrails\r\nInference Platform Security\r\nSecure customer facing inference APIs and services\r\nProtect against abuse, model extraction, and adversarial behavior\r\nDesign rate limiting, isolation, and workload protection controls\r\nBuild monitoring and detection for anomalous inference behavior\r\nAI Supply Chain and Model Security\r\nEvaluate open source models and dependencies\r\nSecure model artifacts and distribution pipelines\r\nImplement integrity validation and provenance controls\r\nHelp secure container images and runtime environments\r\nSecurity Automation and Tooling\r\nBuild security automation for AI and application pipelines\r\nIntegrate security scanning into CI/CD workflows\r\nDevelop tooling to help engineers detect and fix issues early\r\nImprove developer experience with security guardrails\r\nWhat You'll Need\r\nRequired Experience\r\nStrong background in application security engineering\r\nExperience performing threat modeling and architecture reviews\r\nExperience securing APIs and distributed systems\r\nExperience working in cloud environments such as AWS, GCP, or Azure\r\nExperience with containers and Kubernetes\r\nStrong scripting or programming skills such as Python, Go, or similar\r\nExperience working closely with engineering teams to implement security improvements\r\nAI and Machine Learning Experience\r\nExperience securing ML pipelines, inference systems, or data platforms\r\nFamiliarity with risks such as prompt injection, model extraction, and adversarial inputs\r\nExperience reviewing model serving architectures\r\nUnderstanding of training data security and data leakage risks\r\nStrong Plus\r\nRed team or offensive security experience\r\nExperience crafting payloads and evaluating CVEs for exploitability in diverse environments\r\nExperience with GPU infrastructure or high performance computing\r\nExperience with Hugging Face, PyTorch, TensorFlow, or similar frameworks\r\nExperience with LLM systems, RAG pipelines, or agent frameworks\r\nExperience building security automation pipelines\r\nExperience securing multi tenant infrastructure\r\nWhat Success Looks Like\r\nSecurity is embedded into AI platform architecture early\r\nEngineering teams ship quickly with secure defaults\r\nInference platforms are resilient against abuse and extraction\r\nModel pipelines are secure and auditable\r\nSecurity tooling scales with engineering growth\r\nWhy This Role Matters\r\nThis role sits at the intersection of application security, AI infrastructure, and developer platforms. You will help define how we secure modern AI systems while enabling engineers to move quickly and safely.\r\nYou will work closely with engineering leadership and the CISO to build practical, scalable security capabilities that support rapid innovation in AI and machine learning.\r\nBenefits and Perks\r\nWe offer competitive base salaries and equity with a 25% one year cliff and monthly vesting thereafter. For our international employees, we work with our EOR to pay you in your local currency and provide equitable benefits across the globe.\r\nIn the US, we offer:\r\nMedical, dental and vision\r\nLife and AD&D insurance\r\nFlexible paid time off including winter closure\r\nPaid family leave benefits\r\n$500 one time home office stipend\r\n$1,000 annual learning & development stipend\r\n100% Citibike membership (NYC only)\r\nAdditional various medical and mental health services\r\nAt Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.\r\nVoluntary Self-Identification\r\nFor government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.\r\nAs set forth in Lightning AI's Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.\r\nIf you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:\r\nA disabled veteran is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.\r\nA recently separated veteran means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.\r\nAn active duty wartime or campaign badge veteran means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.\r\nAn Armed forces service medal veteran means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.\r\nVoluntary Self-Identification of Disability\r\nForm CC-305\r\nWhy are you being asked to complete this form?\r\nWe are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.\r\nCompleting this form is voluntary, and we hope you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor's Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.\r\nHow do you know if you have a disability?\r\nA disability is a condition that substantially limits one or more of your \"major life activities.\" If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:\r\nAlcohol or other substance use disorder (not currently using drugs illegally)\r\nAutoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS\r\nBlind or low vision\r\nCancer (past or present)\r\nCardiovascular or heart disease\r\nCeliac disease\r\nCerebral palsy\r\nDeaf or serious difficulty hearing\r\nDiabetes\r\nDisfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders\r\nEpilepsy or other seizure disorder\r\nGastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome\r\nIntellectual or developmental disability\r\nMental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD\r\nMissing limbs or partially missing limbs\r\nMobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports\r\nNervous system condition, for example, migraine headaches, Parkinson's disease, multiple sclerosis (MS)\r\nNeurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities\r\nPartial or complete paralysis (any cause)\r\nPulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema\r\nShort stature (dwarfism)\r\nTraumatic brain injury\r\nPUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.\r\nJ-18808-Ljbffr","company":"Lightning Ai","rawCompany":"lightning ai","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-04-09T13:19:11.674Z","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":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Application Security Engineer, AI and Machine Learning","description":"Senior Application Security Engineer, AI and Machine Learning\r\nSan Francisco, California, United States; Seattle, Washington, United States\r\nWho We Are\r\nLightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction.\r\nThrough our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in.\r\nWe serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.\r\nOur Values\r\nMove Fast : We act with speed and precision, breaking down big challenges into achievable steps.\r\nFocus : We complete one goal at a time with care, collaborating as a team to deliver features with precision.\r\nBalance : Sustained performance comes from rest and recovery. We ensure a healthy work-life balance to keep you at your best.\r\nCraftsmanship : Innovation through excellence. Every detail matters, and we take pride in mastering our craft.\r\nMinimal : Simplicity drives our innovation. We eliminate complexity through discipline and focus on what truly matters.\r\nWhat We're Looking For\r\nWe are looking for a Senior Application Security Engineer to help secure our AI, machine learning, and inference platforms. This is a hands on technical role focused on building security into modern AI infrastructure, inference systems, and developer platforms.\r\nYou will work closely with platform engineers, ML engineers, and infrastructure teams to identify risks, design secure architectures, and build security tooling that enables engineers to move quickly and safely.\r\nThis role is execution focused. You will drive technical implementation, perform deep security reviews, and help build out our application security capabilities alongside the CISO and engineering leadership.\r\nThis is a hybrid role based in either our Seattle or San Francisco office. The anticipated salary range for this role is $180,000 - $220,000.\r\nWhat You'll Do\r\nSecure AI and Machine Learning Systems\r\nPerform threat modeling across AI platforms, inference services, and ML pipelines\r\nIdentify risks such as prompt injection, model extraction, adversarial inputs, and data leakage\r\nReview model serving architectures and inference pipelines\r\nPartner with ML engineers to secure training, fine tuning, and deployment workflows\r\nHelp design isolation and security controls for multi tenant AI workloads\r\nApplication Security Engineering\r\nPerform architecture and design security reviews\r\nIdentify security gaps in APIs, micro-services, and distributed systems\r\nBuild secure patterns for authentication, authorization, and service to service communication\r\nHelp engineering teams implement secure defaults and guardrails\r\nInference Platform Security\r\nSecure customer facing inference APIs and services\r\nProtect against abuse, model extraction, and adversarial behavior\r\nDesign rate limiting, isolation, and workload protection controls\r\nBuild monitoring and detection for anomalous inference behavior\r\nAI Supply Chain and Model Security\r\nEvaluate open source models and dependencies\r\nSecure model artifacts and distribution pipelines\r\nImplement integrity validation and provenance controls\r\nHelp secure container images and runtime environments\r\nSecurity Automation and Tooling\r\nBuild security automation for AI and application pipelines\r\nIntegrate security scanning into CI/CD workflows\r\nDevelop tooling to help engineers detect and fix issues early\r\nImprove developer experience with security guardrails\r\nWhat You'll Need\r\nRequired Experience\r\nStrong background in application security engineering\r\nExperience performing threat modeling and architecture reviews\r\nExperience securing APIs and distributed systems\r\nExperience working in cloud environments such as AWS, GCP, or Azure\r\nExperience with containers and Kubernetes\r\nStrong scripting or programming skills such as Python, Go, or similar\r\nExperience working closely with engineering teams to implement security improvements\r\nAI and Machine Learning Experience\r\nExperience securing ML pipelines, inference systems, or data platforms\r\nFamiliarity with risks such as prompt injection, model extraction, and adversarial inputs\r\nExperience reviewing model serving architectures\r\nUnderstanding of training data security and data leakage risks\r\nStrong Plus\r\nRed team or offensive security experience\r\nExperience crafting payloads and evaluating CVEs for exploitability in diverse environments\r\nExperience with GPU infrastructure or high performance computing\r\nExperience with Hugging Face, PyTorch, TensorFlow, or similar frameworks\r\nExperience with LLM systems, RAG pipelines, or agent frameworks\r\nExperience building security automation pipelines\r\nExperience securing multi tenant infrastructure\r\nWhat Success Looks Like\r\nSecurity is embedded into AI platform architecture early\r\nEngineering teams ship quickly with secure defaults\r\nInference platforms are resilient against abuse and extraction\r\nModel pipelines are secure and auditable\r\nSecurity tooling scales with engineering growth\r\nWhy This Role Matters\r\nThis role sits at the intersection of application security, AI infrastructure, and developer platforms. You will help define how we secure modern AI systems while enabling engineers to move quickly and safely.\r\nYou will work closely with engineering leadership and the CISO to build practical, scalable security capabilities that support rapid innovation in AI and machine learning.\r\nBenefits and Perks\r\nWe offer competitive base salaries and equity with a 25% one year cliff and monthly vesting thereafter. For our international employees, we work with our EOR to pay you in your local currency and provide equitable benefits across the globe.\r\nIn the US, we offer:\r\nMedical, dental and vision\r\nLife and AD&D insurance\r\nFlexible paid time off including winter closure\r\nPaid family leave benefits\r\n$500 one time home office stipend\r\n$1,000 annual learning & development stipend\r\n100% Citibike membership (NYC only)\r\nAdditional various medical and mental health services\r\nAt Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.\r\nVoluntary Self-Identification\r\nFor government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.\r\nAs set forth in Lightning AI's Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.\r\nIf you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:\r\nA disabled veteran is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.\r\nA recently separated veteran means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.\r\nAn active duty wartime or campaign badge veteran means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.\r\nAn Armed forces service medal veteran means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.\r\nVoluntary Self-Identification of Disability\r\nForm CC-305\r\nWhy are you being asked to complete this form?\r\nWe are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.\r\nCompleting this form is voluntary, and we hope you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor's Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.\r\nHow do you know if you have a disability?\r\nA disability is a condition that substantially limits one or more of your \"major life activities.\" If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:\r\nAlcohol or other substance use disorder (not currently using drugs illegally)\r\nAutoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS\r\nBlind or low vision\r\nCancer (past or present)\r\nCardiovascular or heart disease\r\nCeliac disease\r\nCerebral palsy\r\nDeaf or serious difficulty hearing\r\nDiabetes\r\nDisfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders\r\nEpilepsy or other seizure disorder\r\nGastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome\r\nIntellectual or developmental disability\r\nMental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD\r\nMissing limbs or partially missing limbs\r\nMobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports\r\nNervous system condition, for example, migraine headaches, Parkinson's disease, multiple sclerosis (MS)\r\nNeurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities\r\nPartial or complete paralysis (any cause)\r\nPulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema\r\nShort stature (dwarfism)\r\nTraumatic brain injury\r\nPUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T13:19:11.674Z","dateModified":"2026-04-09T13:19:11.674Z","hiringOrganization":{"@type":"Organization","name":"Lightning Ai","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"b96e0f4b7eef47768abb4d8e"},"url":"https://jobsearcher.com/jobs/b96e0f4b7eef47768abb4d8e"}}