Senior Application Security Engineer - Cloud & AI Trust

Sonar; Genf; On-site; CHF 150,000 - 230,000; Full time

Job summary

Sonar Geneva-based team is hiring for an Information Security leader to champion security by design across products and cloud platforms. You will collaborate with product, platform, and infrastructure teams to ensure architectures meet Sonar’s high security standards and support a growing customer base.

You will lead security assessments, defect remediation, and continuous improvements while staying ahead of evolving AI and agentic security challenges. Occasional on-call may be required.

Qualifications

• Extensive experience with application and cloud architectures, predominantly AWS.
• Experience conducting application security assessments, including evaluation of authentication and authorization designs.
• Experience assessing and securing AI and agentic AI capabilities, with curiosity to define emerging best practices.
• Experience applying threat-modeling approaches, such as STRIDE, to improve design discussions and identify risks early.

Responsibilities

• Shape secure products and cloud architecture in collaboration with product and engineering teams.
• Lead security assurance initiatives, including assessments, testing, and remediation efforts across the org.
• Strengthen customer trust by incident readiness, investigations, and providing expert guidance during security events.
• Anticipate threats and scale the security program through automation and threat intelligence.

Skills

AWS security

Threat modeling

Security assessments

AI security

Incident response

Tools

Azure

GCP

Google Workspace

Job description

Sonar Geneva-based team is hiring for an Information Security leader to champion security by design across products and cloud platforms. You will collaborate with product, platform, and infrastructure teams to ensure architectures meet Sonar’s high security standards and support a growing customer base.

You will lead security assessments, defect remediation, and continuous improvements while staying ahead of evolving AI and agentic security challenges. Occasional on-call may be required.