Senior Security Engineer – SecOps

Mozilla

. Identify and respond to security incidents on a global scale .

Posted 9/29/2026full-timeRemote • NetherlandsSenior💰 €66,000 - €88,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing global security incidents, utilizing advanced security information and event management (SIEM) systems, and implementing security orchestration and automation (SOAR) platforms. Proven ability to collaborate with diverse stakeholders and maintain effective incident response strategies.

Highest-signal resume keywords

Security Incident ManagementSecurity Information And Event Management (SIEM)Endpoint Detection And InvestigationSecurity Orchestration And Automation (SOAR)Cloud Technologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Incident CommandThreat HuntingSecurity Alerts DesignAutomated ActionsPlaybooks DevelopmentEscalation WorkflowsRoot Cause AnalysisSoftware DevelopmentEngineering OperationsTriage Management

Soft Skills

Superb CommunicationLeadership CapacityStakeholder Partnership

Tools & Technologies

ELKGoogle BigQuerySplunkEndpoint Detection And Response (EDR)TinesSplunk SOARGoogle Cloud PlatformAmazon Web ServicesHerokuMicrosoft Azure

Industry Keywords

Security Operations Center (SOC)Product Security Incident Response Team (PSIRT)Computer Security Incident Response Team (CSIRT)

Tech Stack

Tools & technologies

AWSAzureBigQueryCloudGoogle Cloud PlatformHerokuSplunk

About the role

Key responsibilities & impact

Identify and respond to security incidents on a global scale
Act as an incident commander throughout the entire response lifecycle
Design and maintain security alerts, automated actions, playbooks, and escalation workflows for a high-performing 24/7 incident response capability
Conduct threat hunting activities and anticipate future threats
Maintain forward-thinking strategies for tools, technology, and processes addressing sophisticated threat actors
Research threat intelligence reports and triage and manage resulting workflows
Partner with key stakeholders across preparation, identification, analysis, containment, and post-mortem activities
Participate in an on-call rotation

Requirements

What you’ll need

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, such as ELK, Google BigQuery, and Splunk; Splunk proficiency is preferred
Expertise with endpoint detection and investigation
Hands-on experience with leading EDR tools and 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
Practical experience working with cloud technologies such as Google Cloud Platform, Amazon Web Services, Heroku, and Microsoft Azure

Benefits

Comp & perks

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
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)