{"schemaVersion":"jobsearcher.job.v1","id":"9142fb548d7f9bc83fca6c66","url":"https://jobsearcher.com/jobs/9142fb548d7f9bc83fca6c66","canonicalUrl":"https://jobsearcher.com/jobs/9142fb548d7f9bc83fca6c66","title":"Application Security Engineer","description":"*AI Security Engineer / Application Security Engineer*\n\n*Location: *Onsite in Seattle, Washington and Sunnyvale, California. Local candidates are required.\n\n*Position Type- *Contract\n\nAny Visa Will work\n\nOnly W2 Pay rate\n\nRole Overview\n\nWe are seeking an experienced *AI Security / Application Security Engineer* to strengthen our security engineering capabilities across application security, cloud services, APIs, and AI/LLM integrations. The ideal candidate will have hands-on experience in security architecture reviews, threat modeling, vulnerability assessment, penetration testing, and adversarial testing of AI agents.\n\nKey Responsibilities\n\n* Conduct *security and privacy design reviews* for applications, APIs, cloud services, engineering proposals, and AI integrations.\n* Review system architecture, data flows, access controls, trust boundaries, authentication, authorization, and security safeguards.\n* Perform *threat modeling* for critical services and AI agents, identifying attack surfaces, attack scenarios, attack paths, mitigations, and residual risks.\n* Conduct hands-on *security and adversarial testing* of AI/LLM agents, including:\n* Prompt injection\n* Tool misuse\n* Excessive agency\n* Unauthorized data access\n* Permission and access-control issues\n* External integrations\n* Sensitive-data exposure\n* Identify, validate, and document security vulnerabilities and provide practical remediation recommendations.\n* Work closely with engineering, security, privacy, and third-party teams to drive remediation and validate security controls.\n* Develop reusable security assessment methodologies, checklists, threat models, test cases, and reporting templates.\n* Support security automation and AI-assisted security workflows where appropriate.\n\nRequired Qualifications\n\n* *8+ years of professional experience* in security engineering, application security, product security, offensive security, systems architecture, or a related technical security field.\n* Experience reviewing complex technical designs and identifying security risks in:\n* Applications\n* APIs\n* Cloud services\n* Microservices\n* Distributed systems\n* Strong understanding of:\n* Threat modeling\n* Vulnerability assessment\n* Risk modeling\n* Authentication and authorization\n* Least-privilege principles\n* Data protection\n* Security architecture\n* Hands-on experience with security testing, vulnerability investigation, penetration testing, adversarial testing, or security-control validation.\n* Strong technical communication skills with the ability to explain security findings to engineering and business stakeholders.\n\nPreferred Qualifications\n\n* Experience assessing *AI/LLM applications and autonomous AI agents*.\n* Knowledge of *prompt injection, jailbreaks, unsafe tool use, excessive agency, and AI data-security risks*.\n* Experience with privacy and security design reviews.\n* Experience securing cloud environments.\n* Security automation experience using *Python, Go, Bash, or similar languages*.\n* Familiarity with application-security frameworks and industry security practices.\n\nKey Skills\n\n*Application Security | AI/LLM Security | Threat Modeling | Penetration Testing | Adversarial Testing | Cloud Security | API Security | Security Architecture | Vulnerability Assessment | Privacy & Data Protection | Python/Go/Bash | Security Automation*\n\nPay: $50.00 - $55.00 per hour\n\nExperience:\n* AI Security Engineer: 10 years (Preferred)\n* Application Security Engineer: 10 years (Preferred)\n* cloud services: 10 years (Preferred)\n* APIs: 10 years (Preferred)\n* AI/LLM integration: 10 years (Preferred)\n* Python: 10 years (Preferred)\n* Go: 10 years (Preferred)\n* threat modeling: 10 years (Preferred)\n* vulnerability assessment: 10 years (Preferred)\n* penetration testing: 10 years (Preferred)\n* adversarial testing of AI agents: 10 years (Preferred)\n* security architecture reviews: 10 years (Preferred)\n\nWork Location: In person","company":"Compestsolutionsinc","rawCompany":"compestsolutionsinc","city":"Sunnyvale","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-10-06T18:47:53.958Z","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":"15-1299.04","title":"Penetration Testers","slug":"penetration-testers"}],"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":"541690","title":"Other Scientific and Technical Consulting Services","slug":"other-scientific-and-technical-consulting-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Application Security Engineer","description":"*AI Security Engineer / Application Security Engineer*\n\n*Location: *Onsite in Seattle, Washington and Sunnyvale, California. Local candidates are required.\n\n*Position Type- *Contract\n\nAny Visa Will work\n\nOnly W2 Pay rate\n\nRole Overview\n\nWe are seeking an experienced *AI Security / Application Security Engineer* to strengthen our security engineering capabilities across application security, cloud services, APIs, and AI/LLM integrations. The ideal candidate will have hands-on experience in security architecture reviews, threat modeling, vulnerability assessment, penetration testing, and adversarial testing of AI agents.\n\nKey Responsibilities\n\n* Conduct *security and privacy design reviews* for applications, APIs, cloud services, engineering proposals, and AI integrations.\n* Review system architecture, data flows, access controls, trust boundaries, authentication, authorization, and security safeguards.\n* Perform *threat modeling* for critical services and AI agents, identifying attack surfaces, attack scenarios, attack paths, mitigations, and residual risks.\n* Conduct hands-on *security and adversarial testing* of AI/LLM agents, including:\n* Prompt injection\n* Tool misuse\n* Excessive agency\n* Unauthorized data access\n* Permission and access-control issues\n* External integrations\n* Sensitive-data exposure\n* Identify, validate, and document security vulnerabilities and provide practical remediation recommendations.\n* Work closely with engineering, security, privacy, and third-party teams to drive remediation and validate security controls.\n* Develop reusable security assessment methodologies, checklists, threat models, test cases, and reporting templates.\n* Support security automation and AI-assisted security workflows where appropriate.\n\nRequired Qualifications\n\n* *8+ years of professional experience* in security engineering, application security, product security, offensive security, systems architecture, or a related technical security field.\n* Experience reviewing complex technical designs and identifying security risks in:\n* Applications\n* APIs\n* Cloud services\n* Microservices\n* Distributed systems\n* Strong understanding of:\n* Threat modeling\n* Vulnerability assessment\n* Risk modeling\n* Authentication and authorization\n* Least-privilege principles\n* Data protection\n* Security architecture\n* Hands-on experience with security testing, vulnerability investigation, penetration testing, adversarial testing, or security-control validation.\n* Strong technical communication skills with the ability to explain security findings to engineering and business stakeholders.\n\nPreferred Qualifications\n\n* Experience assessing *AI/LLM applications and autonomous AI agents*.\n* Knowledge of *prompt injection, jailbreaks, unsafe tool use, excessive agency, and AI data-security risks*.\n* Experience with privacy and security design reviews.\n* Experience securing cloud environments.\n* Security automation experience using *Python, Go, Bash, or similar languages*.\n* Familiarity with application-security frameworks and industry security practices.\n\nKey Skills\n\n*Application Security | AI/LLM Security | Threat Modeling | Penetration Testing | Adversarial Testing | Cloud Security | API Security | Security Architecture | Vulnerability Assessment | Privacy & Data Protection | Python/Go/Bash | Security Automation*\n\nPay: $50.00 - $55.00 per hour\n\nExperience:\n* AI Security Engineer: 10 years (Preferred)\n* Application Security Engineer: 10 years (Preferred)\n* cloud services: 10 years (Preferred)\n* APIs: 10 years (Preferred)\n* AI/LLM integration: 10 years (Preferred)\n* Python: 10 years (Preferred)\n* Go: 10 years (Preferred)\n* threat modeling: 10 years (Preferred)\n* vulnerability assessment: 10 years (Preferred)\n* penetration testing: 10 years (Preferred)\n* adversarial testing of AI agents: 10 years (Preferred)\n* security architecture reviews: 10 years (Preferred)\n\nWork Location: In person","datePosted":"2026-10-06T18:47:53.958Z","dateModified":"2026-10-06T18:47:53.958Z","hiringOrganization":{"@type":"Organization","name":"Compestsolutionsinc","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Sunnyvale","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"9142fb548d7f9bc83fca6c66"},"url":"https://jobsearcher.com/jobs/9142fb548d7f9bc83fca6c66"}}