Overview As an Incident Responder at Mozilla, you will monitor, detect and mitigate security incidents across Mozilla’s products globally. You’ll act as incident commander, driving responses through a full lifecycle and shaping playbooks for 24/7 readiness. You’ll conduct threat hunting, research threat intel, and collaborate with diverse stakeholders to improve preparedness and containment. This role supports Mozilla’s mission to keep users safe and build a more secure internet through proactive defense and cross-functional partnership. Compensaciones / Incentivos * generous performance-based bonus plans * medical, dental, and vision coverage * retirement contributions with 100% immediate vesting * quarterly all-company wellness days * home office stipend * professional development budget Responsabilidades * Identify and respond to security incidents on a global scale * Act as incident commander to drive incidents through the full response lifecycle * Design and maintain alerts, automations, playbooks,



and escalation workflows for 24/7 incident response * Conduct threat hunting and develop forward-looking defense strategies * Research threat intelligence and manage resulting workflows * Collaborate with stakeholders to continuously improve preparation, identification, analysis, containment, and post-mortem activities * Participate in on-call rotation Requisitos principales * 5+ years of security incident experience at a global scale or in SOC/PSIRT/CSIRT environments * Experience with SIEM systems (e.g., ELK, Google BigQuery, Splunk); Splunk proficiency preferred * Experience with endpoint detection and investigation using EDR tools * Experience with SOAR platforms (e.g., Tines or Splunk SOAR) * Strong communication and leadership abilities to partner with diverse stakeholders * Background in software development or engineering operations for consumer products; BS in a tech field is helpful * Hands-on cloud experience (e.g., GCP, AWS, Heroku, Azure) * Clear communication * Leadership * Collaborative mindset * Security information and event management (SIEM) * Splunk, ELK, Google BigQuery * Endpoint detection and investigation (EDR) tools

📌 Senior Security Engineer - SecOps (Málaga)
🏢 Mozilla
📍 Málaga