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Systems Engineer Cybersecurity

Remote Senior Security Engineer — AI-Driven Threat Response

Remote / Online - Candidates ideally in
Llanelli, Carmarthenshire, SA15, Wales, UK
Listing for: Mattermost
Remote/Work from Home position
Listed on 2026-05-16
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 76123 - 100992 GBP Yearly GBP 76123.00 100992.00 YEAR
Job Description & How to Apply Below
Mattermost is hiring a Senior Security Engineer to protect its infrastructure and tooling. The role involves designing security tooling, leading security projects, and collaborating with Engineering. Candidates should have a Bachelor's degree and over 3 years in security engineering. The compensation ranges from £76,123 to £100,992 GBP. The position is fully remote and offers flexibility, competitive salary, and equity benefits.
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Position Requirements
10+ Years work experience
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