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Security Operations Engineer

Mastery Logistics Systems, Inc.
Atlanta, USA
Full-time
Onsite
Discovered 1 months ago
Security operationsDetection engineeringMicrosoft SentinelSIEM analytics rules and correlation logicSOAR playbooks and workflowsKQL

Full Job Posting

Role overview

The Security Operations Engineer owns detection engineering and SOAR automation for MasterMind, an Azure-native transportation management platform.

This is a hands-on individual contributor role focused on building detections and automation rather than managing people or day-to-day team operations.

Detection engineering

  • Design, write, and tune Microsoft Sentinel analytics rules and correlation logic aligned to MITRE ATT&CK.
  • Identify and close visibility blind spots across infrastructure and telemetry as new log sources come online.
  • Continuously validate and refine detections to reduce false positives without losing real signal.

Automation and response

  • Build SOAR playbooks and workflows to automate triage, enrichment, and response.
  • Build and maintain integrations across Sentinel, Defender, and other security tools using APIs and scripting.

Threat context and outcomes

  • Translate emerging threats and adversary tactics, techniques, and procedures into actionable, tuned detection logic.
  • Improve detection coverage for new log sources, reduce false positives, and shrink manual triage time so analysts can focus on investigations.

Required experience and skills

  • At least 4 years in security operations, detection engineering, or a closely related technical security role.
  • Hands-on experience building or substantially tuning detection rules and correlation logic in a SIEM; Sentinel is strongly preferred.
  • Experience building SOAR playbooks or comparable security automation workflows.
  • Ability to write and debug complex KQL or an equivalent SIEM query language independently.
  • Python or PowerShell automation proficiency and experience integrating tools through REST APIs.
  • Able to own and ship technical work independently.

Preferred experience

  • Experience in an Azure/AKS or other Kubernetes-based cloud environment is a plus.
  • Experience supporting SOC 2 or similar compliance audits from a technical evidence standpoint is a plus.
  • Familiarity with Sentinel Logic Apps or another SOAR automation platform is a plus.

About Mastery

Mastery builds MasterMind, a transportation management platform intended to serve shippers, carriers, private fleets, and brokers across transportation modes and functions.

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