AI Security Specialist – Microsoft Copilot Backend & 3rd Level Support

About the Position

We are looking for an AI Security Specialist to secure and support Microsoft Copilot deployments in an international logistics environment. The role combines security engineering, threat modeling, monitoring, and advanced troubleshooting, with a strong focus on Microsoft 365 and Azure security.

About the Company

At Sourcing Trust, we are committed to delivering innovative, reliable, and tailored technology solutions that empower businesses to succeed in a rapidly evolving digital landscape. With a focus on excellence, integrity, and collaboration, we build lasting partnerships by understanding our clients' unique needs and providing them with expert support across. Our team is dedicated to fostering a positive and inclusive work environment where every employee's contribution is valued, encouraging continuous growth, learning, and shared success. Join us and be part of a passionate organization driven by innovation and excellence.

Responsibilities

• Perform regular security reviews of Copilot deployments and identify threats such as prompt injection, model tampering, and data poisoning.
• Implement Identity and Access Management, Conditional Access policies, and Zero Trust principles for Copilot workloads.
• Develop threat models and execute controlled security tests and red-team activities.
• Build monitoring capabilities, detect anomalies, and respond to Copilot-related security incidents.
• Handle complex security, performance, and usage issues related to Copilot (3rd level support).
• Enable Copilot support staff through internal documentation, guardrails, and targeted trainings; define escalation patterns and support standards together with the support organization.
• Define security controls and operational guardrails for Copilot usage.
• Assess custom Copilot plugins and third-party integrations.
• Analyze Copilot data flows and validate encryption and protection mechanisms.

Requirements

• Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• 5+ years of experience in Cybersecurity.
• 3+ years in Microsoft 365 and Azure security.
• Strong knowledge of Microsoft Defender, Entra ID, Conditional Access, Zero Trust, and threat modeling.
• Practical experience with PowerShell, Python, or C#.
• A Master’s degree in Cybersecurity, Information Security, or Applied Cryptography is a plus.
• Relevant security certifications (e.g., Microsoft Security, Azure Security, CISSP, AZ-500) are beneficial and may substitute formal education.
• Fluency in English.

We Offer

• Opportunity to work in a dynamic and innovative environment.
• Remote work options.
• Professional growth and development opportunities.

About the Location

• Country: Portugal
• Work Location Type: Remote

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