SIEM Security Engineer

Responsibilities

• Assist in the planning, design, deployment, administration and operational support of enterprise SIEM and XDR capabilities, including:
• Palo Alto Cortex XSIAM and Cortex XDR platform engineering, configuration, optimization and troubleshooting
• Multi-tenant agency onboarding, tenant-specific configuration, role-based access, data segregation, dashboards and reporting
• Detection engineering, correlation rules, analytics, threat-hunting, queries, watchlists, suppression logic and false-positive reduction
• Assist in the planning, design, deployment and operational support of log management and security data pipelines, including:
• Cribl data modeling, log pipeline design, routing, parsing, normalization, enrichment, filtering, replay and ingestion
• Onboarding and health monitoring of cloud, endpoint, network, identity, SaaS and custom application telemetry
• Log volume, retention, performance and cost optimization while maintaining security and compliance requirements
• Integrations with ticketing, case management, notification, identity, threat intelligence and other enterprise systems as needed
• Develop, test, deploy and maintain automated response workflows and playbooks for enrichment, triage, containment, escalation, notifications, case management and incident response
• Create and maintain operational runbooks, standard operating procedures, escalation matrices, troubleshooting guides, architecture diagrams, data-flow documentation, use-case catalogs and analyst knowledge articles
• Support tier 1 through tier 3 SOC analysts and incident responders through platform troubleshooting, detection tuning, threat hunting, technical escalation, knowledge transfer and shift handoffs
• Monitor and report on ingestion health, platform availability, alert volumes, detection coverage, false positives, service levels, mean time to detect, mean time to respond and tenant-specific operational metrics
• Ensure high availability, resilience, backup, recovery, lifecycle management and controlled change processes for SIEM, XDR and supporting log pipeline services
• Collaborate with security architects, engineers, analysts and agency stakeholders to align solutions with business goals, industry-standard frameworks, regulatory requirements and organizational risk tolerance

Requirements

• Bachelor's Degree in an Information Technology or Information Security related field; 8+ years of relevant work may be substituted in lieu of education
• 5+ years of experience in supporting large IT environments and/or system deployments
• Palo Alo Cortex XSIAM and Cortex XDR Design, implementation, administration, and operational support
• Experience engineering and supporting SIEM capabilities for multi-tenant environments and 24x7 Security Operations Center operations
• CRIBL Data Modeling, Log Pipeline Design, Parsing, Normalization, Enrichment, Routing and Ingestion experience
• Experience developing automation, integrations, playbooks and response workflows using scripting languages such as Python and Bash
• Experience onboarding and troubleshooting telemetry from cloud, endpoint, network, identity, SaaS, Linux, Windows and custom application sources
• Enterprise security architecture, incident response, networking, access control, secure system design and industry-standard cybersecurity frameworks

Preferred Skills

• CISSP, Security+ or GIAC certification
• Palo Alto Cortex, Cribl or other relevant SIEM/security platform certification