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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cortex XSIAM SME @ Remote - **Company:** Usg Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Contract - **Skills:** ARM Architecture, Cyber Security, Query Languages, Intrusion Detection and Prevention, JSON, Log Analysis, Regular Expressions, Security Information and Event Management, Cloud Platform System, Data Ingestion, Mitre Att&ck, QRadar, Information Technology, Palo Alto Networks, Splunk, Data Pipelines - **Published:** October 23, 2026 - **Apply:** https://www.dice.com/job-detail/e70a4999-2186-49d5-bc42-b6bff836b3dd ## About the Role * Exceptional written and verbal communication and presentation skills, with the ability to articulate complex technical concepts to both technical and non-technical stakeholders. * 6+ years of hands-on experience deploying and managing SIEM and SOAR solutions in large-scale enterprise environments, including direct experience with Palo Alto Networks Cortex XSIAM. * Proven expertise in onboarding log sources and integrating them into Cortex XSIAM using Broker VMs, XDR Collectors, and custom ingestion methods. * Proficient in developing and managing XSIAM Data Models, including field mapping, enrichment, normalization, and schema standardization across multiple data sources. * Strong experience crafting and optimizing detection logic using XQL (XSIAM Query Language) to build high-fidelity correlation rules, dashboards, and proactive threat hunting queries. * Solid understanding of Palo Alto XDR endpoint integration, sensor health monitoring, and policy tuning for enhanced endpoint visibility. * Experienced in event collection strategy, log onboarding, log tuning, and normalization to ensure high-quality and actionable data within the XSIAM platform. * Demonstrated ability to translate security monitoring requirements into use cases and actionable detection content, aligned with MITRE ATT&CK and industry best practices. * Familiarity with broader SIEM technologies (e.g., Splunk, IBM QRadar) and how they compare/contrast with Cortex XSIAM architecture and capabilities. * Strong grasp of security operations workflows, alert triage, threat detection, incident response, and automation within XSIAM. * Hands-on experience creating and managing security dashboards and visualizations to provide meaningful insights for SOC teams and leadership. * Expertise in Regular Expressions (Regex), JSON parsing, and log analysis to derive context-rich detection strategies. * Working knowledge of generating performance and health reports across log source status, ingestion rates, data pipeline performance, and detection coverage. * Relevant certifications (e.g., Palo Alto Networks Certified XSIAM Engineer or XSIAM Analyst or XSIAM EDU-270). Bachelor's degree in computer science, Information Security, or related field is a plus. ## Description * Collaborate with technical leads and stakeholders to define and execute a robust log ingestion strategy for Cortex XSIAM using Broker VMs and Collectors. * Serve as both a Security Analyst and SIEM Engineer, owning end-to-end workflows from data onboarding to detection content development and incident response support. * Design and implement XQL-based correlation rules to detect and alert on suspicious behavior across endpoint, network, and cloud environments. * Create, tune, and manage data models to normalize and enrich telemetry data in alignment with Cortex XSIAM's schema requirements. * Build operational dashboards using XQL that provide actionable insights into threat posture, detection efficacy, and log source coverage. * Act as SME for XSIAM log ingestion processes, correlation logic, alert tuning, and detection strategy development. * Engage directly with end customers to assess their environment, identify visibility gaps, and provide strategic recommendations for log onboarding and threat coverage. * Monitor, optimize, and troubleshoot log source ingestion pipelines and Collector/Broker VM performance. * Fine-tune alerts and detections to minimize false positives and improve SOC analyst efficiency. * Collaborate with threat intelligence and detection engineering teams to implement behavioral detections mapped to ATT&CK techniques. * Support analyst teams in interpreting alerts, performing incident investigations, and leveraging XSIAM's investigation and automation features. * Drive automation opportunities using XSIAM playbooks to reduce manual workload and enhance response times. * Conduct workshops, training sessions, and periodic health checks with customers to promote adoption and maturity in their XSIAM usage. * Participate in post-incident reviews and detection gap analysis to strengthen overall threat detection strategy.