The Senior Software Engineer role in the Copilot Security Engineering team focuses on securing AI-powered systems and addressing complex security challenges at scale. The team is dedicated to building systems that detect and defend against emerging AI threats while ensuring security is integrated into the Copilot ecosystem. This hands-on technical leadership position involves collaborating with engineers, security researchers, and product teams to develop AI threat detection and defense systems. The engineer will influence architectural decisions and contribute to the overall security strategy for Microsoft's Copilot offerings.

• Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.
• Ability to meet Microsoft, customer and/or government security screening requirements.
• Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python is preferred.
• 5+ years of experience designing, building, and operating production software systems is preferred.
• Experience identifying, analyzing, or mitigating security risks in production environments is preferred.

• Lead the design and implementation of AI threat detection systems that identify and mitigate threats such as prompt injection and memory poisoning.
• Drive the development of security services, classifiers, evaluation frameworks, telemetry pipelines, and risk assessment systems.
• Conduct threat modeling exercises and identify security gaps across AI workflows and platform integrations.
• Partner with product teams to translate security requirements into scalable engineering solutions.
• Investigate emerging attack techniques and develop durable defenses for Copilot experiences.
• Drive root cause analysis and technical remediation efforts following security incidents.
• Influence architectural decisions and engineering investments that improve platform security.
• Lead design reviews and mentor engineers through technical guidance and knowledge sharing.
• Contribute to technical strategy and roadmap planning for key AI security investments.
• Participate in on-call rotations and lead investigations during complex security events.

• Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.