Staff Security Engineer

📋 Description

• • As a Staff Security Engineer (Incident Responder) at Mozilla Corporation, you will play a critical role in safeguarding the integrity of Mozilla’s products and protecting over 225 million global users by detecting, responding to, and mitigating security incidents across the company’s services.
• • Day to day, you will identify and respond to security incidents at scale, serve as an incident commander guiding responses through the full lifecycle, design and maintain security alerts, automated playbooks, and escalation workflows, conduct proactive threat hunting, analyze threat intelligence, and collaborate with stakeholders to improve detection, containment, and post-incident learning.
• • You will join Mozilla’s flexible security team within a mission-driven organization that builds open-source products like Firefox, operates without shareholder pressure, and is dedicated to making the internet safer and more equitable for everyone.
• • In this role, you will deepen your expertise in enterprise-scale incident response, lead cross-functional security initiatives, influence detection engineering strategies, and grow as a trusted security leader in a company that values integrity, autonomy, and creative problem-solving.