Job description

Title: Security Engineer – Engineering Security Location: Seattle, WA (Preferred) / Sunnyvale, CA – Onsite Duration: 6 Months + Contract Work Hours: 40hrs per week Role Overview • We are looking for Security Engineers to support Engineering Security initiatives across security and privacy reviews, threat modeling, and third-party AI Agent security testing. • The selected engineers will work closely with engineering, security, privacy, and third-party teams to identify security risks, conduct hands-on assessments, and provide actionable remediation guidance. Key Responsibilities The selected resources will provide immediate execution capacity across ERD reviews, Threat Modeling, and third-party AI Agent security testing. Core responsibilities include: 1. Conduct security and privacy design reviews of services, applications, APIs, engineering proposals, and AI integrations; evaluate architecture, data flows, access controls, trust boundaries, and proposed safeguards. 2. Perform threat modeling for critical services and AI agents, identifying attack surfaces, threat scenarios, potential attack paths, mitigations, and residual risk. 3. Assess third-party AI agents through hands-on adversarial security testing, including prompt injection, tool misuse, data access, permissions, external integrations, excessive agency, and sensitive-data exposure. 4. Document actionable findings, risk assessments, supporting evidence, and practical remediation guidance; partner with engineering and security teams through remediation and validation. 5. Support repeatable security assessment processes, including review checklists, threat models, test cases, reporting templates, and AI-assisted/automation workflows where appropriate. Minimum Qualifications • 8+ years of professional experience in security engineering, application security, product security, offensive security, systems architecture, or a related technical security field. • Demonstrated experience reviewing complex technical designs and identifying security risks in applications, APIs, cloud services, microservices, or distributed systems. • Strong knowledge of threat modeling, vulnerability classification, risk modeling, authentication/authorization, least privilege, and data protection principles. • Hands-on experience with security testing, vulnerability investigation, penetration/adversarial testing, or validating security controls. • Ability to communicate technical findings clearly and collaborate directly with engineering, security, privacy, and third-party stakeholders. • Preferred qualifications include experience assessing AI/LLM agents, prompt injection and unsafe tool use, privacy design reviews, cloud environments, and security automation using Python, Go, Bash, or similar languages. Good to Have • Demonstrated hands-on penetration testing and vulnerability assessment experience across applications, APIs, cloud infrastructure, and networks, including identifying and validating real-world attack paths and providing actionable remediation guidance. Disclaimer: i-Link Solutions Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. We especially invite women, minorities, veterans, and individuals with disabilities to apply. EEO/AA/M/F/Vet/Disability.

Requirements

Must-haves

Title: Security Engineer – Engineering Security
Duration: 6 Months + Contract
Work Hours: 40hrs per week
We are looking for Security Engineers to support Engineering Security initiatives across security and privacy reviews, threat modeling, and third-party AI Agent security testing.
The selected engineers will work closely with engineering, security, privacy, and third-party teams to identify security risks, conduct hands-on assessments, and provide actionable remediation guidance.
The selected resources will provide immediate execution capacity across ERD reviews, Threat Modeling, and third-party AI Agent security testing. Core responsibilities include:
Conduct security and privacy design reviews of services, applications, APIs, engineering proposals, and AI integrations; evaluate architecture, data flows, access controls, trust boundaries, and proposed safeguards.
Perform threat modeling for critical services and AI agents, identifying attack surfaces, threat scenarios, potential attack paths, mitigations, and residual risk.
Assess third-party AI agents through hands-on adversarial security testing, including prompt injection, tool misuse, data access, permissions, external integrations, excessive agency, and sensitive-data exposure.
Document actionable findings, risk assessments, supporting evidence, and practical remediation guidance; partner with engineering and security teams through remediation and validation.
Support repeatable security assessment processes, including review checklists, threat models, test cases, reporting templates, and AI-assisted/automation workflows where appropriate.
8+ years of professional experience in security engineering, application security, product security, offensive security, systems architecture, or a related technical security field.
Demonstrated experience reviewing complex technical designs and identifying security risks in applications, APIs, cloud services, microservices, or distributed systems.
Strong knowledge of threat modeling, vulnerability classification, risk modeling, authentication/authorization, least privilege, and data protection principles.
Hands-on experience with security testing, vulnerability investigation, penetration/adversarial testing, or validating security controls.
Ability to communicate technical findings clearly and collaborate directly with engineering, security, privacy, and third-party stakeholders.
Good to Have

Nice-to-haves

Location: Seattle, WA (Preferred) / Sunnyvale, CA – Onsite
Preferred qualifications include experience assessing AI/LLM agents, prompt injection and unsafe tool use, privacy design reviews, cloud environments, and security automation using Python, Go, Bash, or similar languages.

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