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Senior SIEM & Endpoint Security Support Engineer

83zero Ltdhttps://static.whatjobs.com/static/ajCore/img/jobPosting/companyLogo/whatJobs_ob_default.png United Kingdom Posted 23 Oct 2026 Closing: 22 Nov 2026
Permanent Hybrid Featured

Role Description & Technical Scope

83zero Ltd in Madrid is seeking a Senior Support Engineer to join the Cortex XSIAM Support team. This highly customer-focused role requires strong troubleshooting and deep knowledge of endpoint security, SIEM technologies and networking.

You will work with customers to investigate and resolve complex issues, manage escalations, and collaborate with internal Engineering to improve SLAs and customer experience. Hybrid work: three days per week in the Madrid office.

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Key Details
  • Date Posted: 23 Oct 2026
  • Location: United Kingdom
  • Employment: Permanent
  • Workplace: Hybrid
  • Domain: Informática y tecnología
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Employer Profile
83
83zero Ltdhttps://static.whatjobs.com/static/ajCore/img/jobPosting/companyLogo/whatJobs_ob_default.png
Verified Tech Employer

Enterprise technology firm or security consultancy operating across the UK digital defense ecosystem.

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