> Markdown version of [/jobs/ext/4135560-senior-cybersecurity-support-engineer-enterprise-edr-xdr](https://www.wearedevelopers.com/jobs/ext/4135560-senior-cybersecurity-support-engineer-enterprise-edr-xdr). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Cybersecurity Support Engineer - Enterprise EDR/XDR - **Company:** Infotree Global Solutions - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Apple Mac Systems, Cyber Security, Linux - **Published:** October 21, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-cybersecurity-support-engineer-enterprise-edr-xdr--madrid--e9b533d19d15453145b81af833a50ca51 ## About the Role You will deliver advanced technical assistance to enterprise customers, investigate complex issues, and collaborate with engineering to drive product improvements. You will triage escalations, troubleshoot across Windows, Linux, and macOS, and communicate findings clearly in English to global clients. ## Description Infotree Global Solutions Inc. is seeking an experienced Senior Technical Support Engineer to join our international cybersecurity support team in Madrid. You will deliver advanced technical assistance to enterprise customers, investigate complex issues, and collaborate with engineering to drive product improvements. You will triage escalations, troubleshoot across Windows, Linux, and macOS, and communicate findings clearly in English to global clients.