SIEM Security Engineer

***Interview Process: 1-2 rounds, Virtual/Online***

This position is 100% remote and will participate in a monthly on-call rotation supporting the 24x7 soc. After-hours maintenance, incident escalation support and operational handoffs may be required as needed. Open to Nationwide resources

Excelraise, LLC is seeking SIEM Security Engineer for our direct client in Columbia, SC.

This position will serve as a SIEM engineer within the department of administration's division of information security. The successful candidate will show extensive experience successfully designing, implementing, maintaining and optimizing PALO ALTO CORTEX XSIAM and CORTEX XDR in large-scale, multi-tenant security environments. This contractor will work with a large enterprise security team and a 24x7 security operations center (SOC), assisting full-time security architects, engineers and analysts with the design, implementation, integration and continuous improvement of SIEM, XDR, detection and response capabilities supporting multiple state agencies.

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

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