> Markdown version of [/jobs/ext/4697309-sr-technical-support-engineer-cortex-xsiam-focused-services-security-clearance-required](https://www.wearedevelopers.com/jobs/ext/4697309-sr-technical-support-engineer-cortex-xsiam-focused-services-security-clearance-required). 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). --- # Sr. Technical Support Engineer, Cortex XSIAM Focused Services (Security Clearance Required) - **Company:** Palo Alto Networks - **Location:** Epsom, United Kingdom - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Apple Mac Systems, ARM Architecture, Cloud Computing, Data Mining, Software Debugging, Linux, Internet Information Services (IIS), Microsoft Servers, Microsoft SQL Server, System Center Configuration Manager, Networking Basics, Security Software, Security Information and Event Management, Scripting, Google Cloud, Kubernetes - **Published:** November 13, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/sr-technical-support-engineer-cortex-xsiam-focused-services-security-clearance-required/55863023 ## About the Role QualificationsYour Experience Previous experience with Endpoint Security software is required Eligibility for a UK Clearance- Must SIEM experience: Deep understanding of how SIEMs works Experience in creating custom collections and data parsing Experience in creating complex correlation rules, reports and dashboard Experience in integration and implementation of SIEMs Experience working with EDR tools Experience with strong communication and customer service skills Required basic networking knowledge - Ability to independently debug broad, complex, and unique environments with mixed applications and protocols Experience with Windows OS, MacOS, and Linux based applications (Installation, troubleshooting, Debugging) 4+ years of experience as a Support Engineer Fundamental understanding of Kubernetes, GCP, and AWS for troubleshooting cloud agent deployment and data extraction. Excellent written and verbal communication skills Strong customer advocacy skills and experience, along with ability to work in difficult customer situations Knowledge of Cloud infrastructure- a plus Experience in incident response- a plus Experience with scripting- a plus Experience with MS Server solutions (SCCM, GPO, AD, MSSQL, IIS, Exchange)- a plus Fluent English is mandatory. Spanish/ French/ German are an advantage