Senior Security Engineer
Location: Remote
Compensation: To Be Discussed
Reviewed: Tue, Sep 29, 2026
This job expires in: 30 days
Job Summary
To monitor and mitigate security incidents across Mozilla's products and services, the full-time Senior Security Engineer will act as an incident commander, design security alerts and workflows, and conduct threat hunting activities while working remotely from Sweden.
Key responsibilities
- Identify and respond to security incidents on a global scale
- Design and maintain a portfolio of security alerts, automated actions, playbooks, and escalation workflows
- Conduct threat hunting activities and maintain strategies to combat sophisticated threat actors
Required qualifications
- 5+ years of experience managing security incidents in Security Operations Centers (SOC), Product Security Incident Response Teams (PSIRT), or Computer Security Incident Response Teams (CSIRT)
- Expertise with security information and event management (SIEM) systems, preferably Splunk
- Hands-on experience with endpoint detection and investigation tools
- Experience with security orchestration and automation (SOAR) platforms
- Practical experience working with cloud technologies such as Google Cloud Platform or AWS
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