Unknown Company

Principal Security Architect – Zero Trust & Network Segmentation

chicago, il • Posted 1 weeks ago
Hybrid Full Time IT Management & IT Project Management

Our client is seeking a Security Architecture leader to modernize their internal security architecture, shifting from periodic reviews to an engineering-driven approach that keeps pace with AI-accelerated threats.

Responsibilities

  • Assess, redesign, and reengineer internal network architecture across security domains, delivering remediation roadmaps and risk reduction strategies.
  • Lead internal segmentation, micro-segmentation, Zero Trust, and enclave hardening initiatives to limit lateral movement and reduce incident blast radius.
  • Perform detailed analysis of high-risk network pathways, documenting remediation options and phased implementation plans.
  • Evaluate and strengthen CI/CD pipelines and Infrastructure-as-Code (IaC) environments, embedding security directly into delivery workflows.
  • Own architectural governance throughout the change lifecycle, ensuring ongoing security alignment and design integrity.
  • Map vulnerabilities and findings to adversary TTPs, enabling proactive detection and response capabilities.

Qualifications

  • Deep expertise in Security Architecture, Network Security, Zero Trust, and Segmentation.
  • Experience with cloud and hybrid environments, CI/CD security, and Infrastructure-as-Code platforms.
  • Strong understanding of threat modeling, detection engineering, and adversary TTP frameworks (e.g., MITRE ATT&CK).
  • Proven ability to lead large-scale security transformation and architecture modernization initiatives.

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