Senior Security Engineer - SecOps

Mozilla·Remote SpainRemotosenior

En corto

→Ingeniero de Seguridad Senior que responde a incidentes globales en tiempo real.
→Dirige la respuesta a amenazas, crea playbooks y lidera equipos durante crisis.
→Destaca por su rol clave en proteger a 225 millones de usuarios de Firefox.

Fluent English required for collaboration across global teams.

En ~1 minuto te damos: quién te entrevista, las preguntas probables con respuestas desde tu CV, y tu CV adaptado a esta vacante. Gratis, sin tarjeta.

Las preguntas que te van a hacer

1. ¿Cómo diseñarías un playbook para un ataque de ransomware en Firefox?

🔒 +7 preguntas más

Sin tarjeta. Subís tu CV y en ~1 minuto tenés el dossier completo.

🎧¿Llegás a la entrevista? Llevá el copiloto. Nuestra extensión escucha la entrevista en vivo y te muestra anclas de 3-4 palabras desde tu CV y tu preparación — mirás, conectás, hablás. Gratis. Ver la extensión →

💵 USD · Remote · No visa

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¿Qué piden?

✓5+ años gestionando incidentes de seguridad a escala global.
✓Experiencia en SOC, PSIRT o CSIRT.
✓Experto en SIEM (como Splunk o similar).
✓Capacidad para liderar incidentes como comandante.
✓Habilidades avanzadas de comunicación y colaboración.
✓Disponibilidad para rotación en servicio de guardia (on-call).

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

SIEMSplunkPlaybooksAutomated ActionsThreat IntelligenceIncident ResponseThreat HuntingEscalation WorkflowsPost Mortem24/7 Incident Response

¿A quién escribirle en Mozilla?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: Mozilla is looking for an Incident Responder to monitor and mitigate attacks across Mozilla’s products and services. In this position, you will be a part of a flexible team responsible for handling security incidents. As such, you’ll need to have years of practical security experience and knowledge of the state of the art for detecting and responding to attacks. You’ll be someone Mozillians across the company depend on and trust to respond quickly and effectively in a crunch, with the outstanding communication and collaboration skills needed to work in partnership with diverse stakeholders. Most importantly, you will become a critical member of the team responsible for ensuring the integrity of Mozilla’s products and for keeping Mozilla’s users safe, within a company dedicated to building a more secure internet. What you'll do: • Identify and respond to security incidents on a global scale. • Act as an incident commander to drive incidents through the entire response lifecycle. • Design and maintain a portfolio of security alerts, automated actions, playbooks and escalation workflows in support of a high-performing 24/7 incident response capability. • Conduct threat hunting activities, anticipate future threats, and maintain forward-thinking strategies for tools/technology/processes that combat sophisticated threat actors. • Research threat intelligence reports, triage and manage resulting workflows. • Partner with key stakeholders and communicate effectively to maintain a continuously improving feedback loop of preparation, identification, analysis, containment, and post mortem activities. • Participate in on-call rotation. What you'll bring: • 5+ years of demonstrated ability managing security incidents at a global scale and/or experience working in Security Operations Centers (SOC), Product Security Incident Response Teams (PSIRT), and Computer Security Incident Response Teams (CSIRT). • Expertise with security information and event management (SIEM) systems (eg.

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