Senior SIEM Engineer

CAI•,

2d•$70 - $80•Remote

About The Position

The Senior SIEM Engineer designs, implements, administers, and optimizes Palo Alto Cortex XSIAM/XDR and Cribl solutions in a large-scale, multi-tenant 24x7 Security Operations Center environment. The role focuses on detection engineering, security automation, threat hunting, log pipeline management, and incident response support. This is a full-time, remote contract position.

Requirements

Hands-on experience designing, implementing, administering, and supporting Palo Alto Cortex XSIAM and Cortex XDR.
Experience supporting SIEM platforms in large-scale, multi-tenant environments and 24x7 SOC operations.
Strong background in detection engineering, threat hunting, correlation rule development, alert tuning, dashboards, and reporting.
Experience creating and managing security automation, playbooks, and response workflows.
Hands-on Cribl experience, including data modeling, log pipeline design, parsing, normalization, enrichment, routing, and ingestion.
Experience developing integrations and automation using Python and Bash.
Experience onboarding and troubleshooting cloud, endpoint, network, identity, SaaS, Linux, Windows, and custom application telemetry sources.
Strong understanding of enterprise security architecture, incident response, networking, access controls, secure system design, and cybersecurity frameworks.
Bachelor's degree in Information Technology, Information Security, or a related field; equivalent experience may be considered in lieu of a degree.
At least five years of experience supporting large IT environments and/or enterprise system deployments.
Ability to pass criminal background and credit checks and obtain and maintain CJIS certification.

Nice To Haves

Certifications such as CISSP, Security+, GIAC, Palo Alto Cortex, Cribl, or other relevant cybersecurity certifications.

Responsibilities

Design, implement, administer, and optimize Palo Alto Cortex XSIAM and Cortex XDR platforms.
Support enterprise SIEM and XDR operations in a large-scale, multi-tenant security environment.
Configure tenant onboarding, role-based access controls, data segregation, dashboards, reporting, and platform integrations.
Develop and tune detection content, correlation rules, analytics, threat-hunting queries, watchlists, and alert suppression logic.
Design and maintain security automation, playbooks, and incident response workflows.
Support Cribl log management, including data modeling, log pipeline design, parsing, normalization, enrichment, routing, and ingestion.
Integrate security platforms with ticketing, case management, notification, identity, and threat intelligence systems.
Monitor platform health, ingestion performance, alert volumes, detection coverage, and operational metrics.
Troubleshoot complex security platform issues and support Tier 1–3 SOC analysts during investigations and incident response activities.
Create and maintain runbooks, SOPs, architecture diagrams, technical documentation, and knowledge articles.
Participate in a monthly on-call rotation supporting a 24x7 SOC.
Collaborate with security architects, engineers, analysts, and stakeholders to continuously improve security operations and services.