Security Engineer

Tanium•Addison, TX

About The Position

The Security Engineer will collaborate with Security, IT, and Engineering teams to defend and strengthen our security operations posture. You will be an integral part of the IT Security Engineering Team, responsible for owning and operating our SOAR and SIEM platforms, driving endpoint security initiatives, and building the automation and processes needed to detect, respond to, and remediate threats across the environment.

Requirements

3–5 years of experience in a security engineering, security operations, or detection engineering role
Experience securing AI/ML workloads or applying AI-assisted tooling to security operations (e.g., LLM-driven triage, automated analysis, AI-augmented detection)
Hands-on experience administering a SIEM platform (e.g., Sentinel, Splunk, Elastic, Chronicle)
Hands-on experience with a SOAR platform (e.g., Cortex XSOAR, Splunk SOAR, Tines, Swimlane)
Solid understanding of endpoint security concepts — EDR, host-based detection, OS-level telemetry
Understanding of network protocols, operating systems (Windows, Linux, macOS), and common enterprise infrastructure
Experience operating in and managing cloud environments (AWS, Azure)
Proficiency in scripting and automation (our stack is primarily Python, but equivalent experience is welcome)
Experience with CI/CD concepts — pipelines, automated testing, and deployment workflows
Experience managing infrastructure as code (e.g., Terraform)
Strong troubleshooting and analytical skills
A relentless desire to automate the mundane to focus on solving the harder problems

Nice To Haves

Experience with Tanium for endpoint management, visibility, or security modules
Experience with Azure Data Explorer (ADX) and Microsoft Sentinel
Experience writing detection logic (SPL, KQL, Sigma, or equivalent)
Familiarity with detection engineering practices and frameworks such as MITRE ATT&CK
Experience with threat intelligence platforms and enrichment workflows
Cloud security monitoring experience (AWS, Azure, GCP)
Experience supporting incident response in an engineering capacity — data gathering, log analysis, and providing technical context to responders

Responsibilities

Contribute to and maintain our in-house SOAR platform — develop automation playbooks, extend capabilities, and accelerate incident response
Contribute to the aggressive adoption of AI tools within the Security team as well the protection of AI technologies across Tanium
Manage and optimize our SIEM environment — maintain data ingestion pipelines, ensure log source coverage meets security requirements, and partner with detection engineering on deployment and tuning
Support endpoint security tooling — deploy, configure, and troubleshoot endpoint detection and response (EDR) solutions across the fleet
Review IT infrastructure changes for security implications, ensuring new configurations and deployments align with security standards and best practices
Partner with IT and infrastructure teams to onboard new log sources, improve telemetry, and close visibility gaps
Contribute to incident response processes, including containment, eradication, and post-incident review