Senior Security Engineer

Senior Security Engineer - Incident Response

Mozilla

Location:
Germany

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

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.

Job Responsibility:

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

Requirements:

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. ELK, Google BigQuery, Splunk, etc.). Splunk proficiency is preferred
Expertise with endpoint detection and investigation. Hands-on experience with leading EDR tools and demonstrated ability to leverage endpoint telemetry to find root cause
Expertise with security orchestration and automation (SOAR) platforms such as Tines or Splunk SOAR
Superb communication and leadership capacity
ability to partner effectively with diverse company stakeholders
Real-world experience in software development and/or engineering operations for consumer products and services
B.S. in a technology-focused field is helpful
Practical experience working with cloud technologies (eg. Google Cloud Platform, Amazon Web Services, Heroku, Microsoft Azure, etc.)
Ownership and Accountability
Autonomy
High Level of Integrity
Clear Communication
Creative Problem Solver
Passionate about Security

What we offer:

Generous performance-based bonus plans
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting
Quarterly all-company wellness days
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)
Flexible work environment
Industry-leading paid parental leave (up to 26 weeks of fully paid leave for childbearing parents and up to 12 weeks for non-childbearing parents)
Reimbursement for professional development (up to $3,000/year)
A work setup including the latest hardware and software of your choice

Additional Information:

Job Posted:
January 02, 2026

Employment Type:

Fulltime

Work Type:

Remote work

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