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Staff Security Engineer - Mozilla - Remote - Global

Security Engineer

Posted: April 30, 2026
Posted 30 days ago
Last seen in crawl: May 18, 2026 (13d ago)
Estimated Expiry: June 4, 2026
Remoteness
Role & Management
Role Level:Mid-Level
Job Type
Required Languages

Job Description

Mozilla is hiring a Staff Security Engineer in Remote US, Infrastructure, Firefox, Business Department, Strategy, Operations, Data & Ads. The role involves monitoring and mitigating security attacks, managing security incidents, designing security alerts, conducting threat hunting, and collaborating with stakeholders to improve security measures. The candidate should have over 5 years of experience in security incident management, expertise with SIEM systems like Splunk, threat intelligence, SOAR platforms, cloud technologies, and strong communication skills. The position offers benefits such as bonuses, health coverage, retirement contributions, wellness days, and professional development budgets. The role is critical for ensuring the security of Mozilla’s products and users.

Company Information

Current open roles at Mozilla on JobCrawls
LocationActive listings
Remote Finland46
Remote Germany44
Remote Netherlands43
Remote UK42
Remote France41
Remote Belgium41
Remote Spain40
Remote Sweden38
Remote Poland35
Remote Canada32
Remote US19
Remote - Global15
Remote - Netherlands6
Remote - Belgium6
Remote - France6
Remote - Spain6
Remote - Finland6
Remote - Sweden6
Remote Denmark6
Remote - Poland6
Remote - Germany6
Remote New Zealand5
Remote - UK5
Remote - Canada5
Remote Australia5
Remote - US2
Current role mix at Mozilla on JobCrawls
Role typeActive listings
Software Engineer51
Product Manager2
Localization Technical Program Manager2
Social Media & Content Strategist1
Data Scientist1
Fundraising Strategist1
Grassroots Engagement Director1
Engineer1
Senior Software Engineer1
Application Engineer1
Security Engineer1
Product Director1
Quantitative User Researcher1
Machine Learning Engineer1
Head of Global and Strategic Intelligence1
Current role-level mix at Mozilla on JobCrawls
Role levelActive listings
Mid-Level17
Senior10
Mid-level1

Mozilla appears in 512 indexed job postings in JobCrawls' Finland dataset since October 2023. In that historical index, the strongest location signals for this employer are Remote Finland, Remote Germany, and Remote Netherlands.

Data shown is based on historical job postings from our database.

Job Details

13 days agoContent Complete

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