Senior Product Security Engineer (AI/ML)

Anywhere in the United States Our mission at Greenhouse is to make every company great at hiring – so we go to great lengths to hire great people because we believe that they’re the foundation of our success. At Greenhouse, you’ll join a team that collaborates purposefully, fosters inclusivity, and communicates with transparency and accountability so we can help companies measurably improve the way they hire. Join us to do the best work of your career, solving meaningful problems with remarkable teams. Greenhouse is looking for a Senior Product Security Engineer (AI/ML) to join our team! Security at Greenhouse is foundational to our success and is critical for building & maintaining our user and customer trust. From influencing how we write our software, deploy our infrastructure, and make architectural decisions, Security is a major focus here at Greenhouse. We are excited to make our program more robust with the addition of a Product Security Engineer with AI security expertise. You will serve as the team’s Subject Matter Expert (SME) on AI security focussed engagements while contributing to our broader security engineering goals. You will act as a partner with our engineers to improve security best practices across our agile SDLC, specifically focusing on securing our emerging AI and Machine Learning features. Who will love this job An Entrepreneurial Problem-Solver - You don’t wait for a ticket to fix a gap. You proactively stay current on AI/ML trends and identify ways to harden our systems before risks manifest A Pragmatic Partner - You understand the "need for business speed." You thrive in environments where security enables innovation rather than hindering it, finding creative ways to support development velocity An Independent Driver - You demonstrate a high bias for action. You are comfortable completing tasks independently and asynchronously A Generous Collaborator - You listen well and work effectively with diverse audiences, from legal counsel during AI Ethics committee reviews to infrastructure engineers feature development, incorporating feedback to build better solutions A Clear Communicator - You can translate a complex technical concept into a real-world business impact, whether through technical writing, documentation, or internal presentations What you’ll do Act as the primary advisor for securing AI/ML workflows, conducting threat modeling for AI product features, and defining guardrails for Large Language Model (LLM) usage Advise and review on agentic AI usage across the R&D department Perform security testing and source code review of application and underlying platform for both AI and non-AI systems Help upskill the wider security and engineering teams on AI security fundamentals and common threats/vulnerabilities Partner with our compliance and legal teams on AI governance decisions and processes Act as a security partner, building and maintaining relationships with product and engineering teams to integrate security into the development process Embed security principles and controls to achieve a ‘secure by default’ posture Secure modern technology stacks that include Kubernetes, Docker, AWS, and CI/CD tooling Participate in the security engineering on-call rotation to triage and respond to urgent security alerts and incidents outside of standard business hours when necessary You should have Practical experience securing model training and inference pipelines (specifically ARC and MLFlow) and securing AI Gateways Professional experience as a developer releasing production code. You are proficient with modern workflows like Agile, GitOps, and CI/CD Hands-on experience using modern AI development tools (e.g., Cursor, GitHub Copilot, Gemini, or Claude) and interacting with OpenAI/Gemini APIs A strong foundation in AWS core services, Kubernetes (K8s), Linux systems, and networking principles Expert-level knowledge of web and AI/ML application security topics  (e.g. OWASP Web / LLM / Agent) Exposure to AI compliance frameworks (e.g. ISO42001) Experience with architecture reviews, auth protocols flows related to SAML, OAuth2,and OIDC Deep understanding of the AI ecosystem including design principles, threat models,and appropriate tools The ability to perform both structuredand ad-hoc threat models, providing practical, code-level recommendations that balance securitywith development speed Experience working with Ruby on Rails,a plus your own unique talents! Your background has given you a unique perspectiveand set of transferable skills that aren't always in alignmentwith agiven role - but those are qualities we value at Greenhouse.If you don't meet 100%ofthe qualifications outlined above,we still strongly encourage you to apply Applicants must be currently authorizedto work in the United Stateson afull-time basis. If you are based in California,we encourage youto read this important informationfor California residents linked here. The national pay rangefor this roleis $168, 100-$210, 150. Individual compensation will be commensuratewiththe candidate's experienceand qualifications.Certain roles may be eligiblefor additional compensation, including stock option awards, bonuses,and merit increases.Additionally,certain roles havethe opportunityto receive sales commissions that are basedon the terms ofthe sales commission plan applicableto therole. Greenhouse providesa varietyof benefits toenployees, including medical,dental,and vision insurance,basic life insurance, mental health resources, financial wellness benefits,and afully paid parental leave program.For US-based employees,we offer short-termand long-term disability coverage,a 401(k) planand company match.U.S.based employees also receive, per calendar year, upto 14 scheduled paid holidaysand upto 80 hours of paid sick leave.Non-exempt employees accrue upto 20-25 days of paid vacation time annually, dependingon tenure,and exempt employees have flexible paid time off(PTO). The anticipated closing datefor this roleis February 2nd, 2026. Who we are at Greenhouse,we live byour mission through using ourown productto help us hire theright personfor therole,every time.We area remote-first companyand have shared office spacesin New York Cityand Ireland,and optional co-working spaces that give us flexibilityto doour best work anywhere.We take an active roleinourgrowth through aperformance review programthat’s committedtoproviding actionable feedback,and abonus structurethat rewards great performance.We believe that bringing togethera varietyof perspectives makes us astronger company –and wenurture leaders who create an inclusive cultureandinvest into employee resource groups that celebrateour differencesand life experiences.We’re proudto have built an award-winning culturethat’s been recognizedas Fortune’s Best Places to Workand Inc.’s Best Workplaces multiple yearsin a row.– Greenhouse Softwareis an equal opportunity employer.All qualified applicants will receive considerationforemployment without regardto race,color,religion, sex(including pregnancy, sexual orientation, or gender identity),national origin, age, disability, genetic information,veteran status, or any other characteristic protectedby applicable local laws, regulationsand ordinances.If you need assistanceand/or areasonable accommodationduringthe application process,reach outto accommodations@greenhouse.io. Emails about job opportunitiesat Greenhouse Softwareare only offeredby employeeswith @greenhouse.io email addresses.See this pageon our website if you suspect aphishing scam.Greenhouse VerifiedThis companyhas demonstrated its commitmentto being:RespectfulProvides candidateswith inclusiveand positive experiencesCommunicativeSends timely applicationand interview updatesFairUses consistent methods toevaluate candidatesfrom all backgroundsPreparedPrepares interviewers toeask informedand consistent questionsLearn more about how Greenhouse verifiesjob posts.Createa Job AlertInterestedin building your careerat Greenhouse?Get future opportunities sent straight toyour email.Create alertApplyforthisjobindicatesarequired fieldAutofillwith MyGreenhouseFirst NameLast NameEmailPhoneCountryPhoneLocation(City)Locate meResume/CVAttachAttachDropboxGoogle DriveEnter manuallyEnter manuallyAccepted file types: pdf doc docx txt rtfCover LetterAttachAttachDropboxGoogle DriveEnter manuallyEnter manuallyAccepted file types: pdf doc docx txt rtfWhat is your preferred first name? If your legal first nameand preferred first nameare thesame,input your legal first name.What is your preferred last name? If your legal last nameand preferred last nameare thesame,input your legal last name.In 2-3 sentences describeyour experience securing model trainingandinference pipelines.Due tocurrent team needs,we are only considering candidatesbasedinthe USA.Please confirm you're basedinthe USA.Select...The national pay rangeforthis roleis ($168100-$210150).We prioritize transparencyand wantto ensure alignment earlyinthe process.We’re happyto discussthe full compensation package,includings benefits,duringthe interview process.Select...LinkedIn ProfileAreyou authorizedtoworkinthe United Statesfor any employer?Select...Will you noworin future require visa sponsorship?Select...How didyou initially hearaboutthisjob?Select...Ifyou choseGreenhouse Employee Greenhouse Event or Other please specify here:Guidelinesfor usingAIinour interviewing processAcknowledge ConfirmAsyour prospective employer Greenhouse has outlinedour policyon how candidatesare permittedtouseAIinour hiring processes.Knowingthatwe experienceAImayevolve overtime,we will regularly reviewour approachtoAIto ensure alignmentwith current legislationandtoprotect against potential biasesinour processes.Prior toe ngaging inthe interview process please reviewour current policy.Areyou subjectto any non-compete non-solicitation or confidentiality agreementswithyour currentor former employerswould impactyouremploymentatGreenhouse?Select...Demographic questions(US)AtGreenhouse we value belongingand believeinfostering an environmentwherea diversityof perspectivescan thrive.This core value isa pillarofour businessand criticaltoursuccess.This responseswill be used(in aggregateonly)to helpus identify areasof improvementinour process.This responseswill notbe associatedwithyourspecificapplicationand willnotbe usedinthe hiring decision.Iidentifymy genderas:Select...Iidentifyas transgender:Select...Iidentifymy sexual orientationas:Select...Iidentifymy ethnicityas(markallthatapply):Select...Veteran Status:Select...Ihaveaphysical disability:Select...This hiring process utilizesartificial intelligence tools toast candidate screeningand assessment.Our AItoolsaredesignedtocomplement notreplace human decision-making.Learn moreSubmitapplicationPoweredby