Apply for OT Security Architect Job

6 to 8 Years Relevant Experience

We are looking for an experienced OT Security Specialist with deep hands-on expertise in Microsoft Defender for IoT and a strong background in securing industrial control systems. The ideal candidate will bring a solid understanding of Operational Technology (OT) infrastructure, network architectures, and cybersecurity frameworks within critical industries such as Manufacturing, Healthcare, Energy, or Utilities.

Key Responsibilities:

• Design, architect, and implement Microsoft Defender for IoT solutions across complex OT environments.
• Lead security assessments, risk identification, and mitigation planning for OT infrastructure.
• Collaborate with cross-functional teams to integrate security monitoring and controls into existing plant/SCADA networks.
• Work on Asset Management, Vulnerability Management, and Security Incident Response for OT environments.
• Coordinate with vendors, plant engineers, and IT teams to align implementations with operational needs and industry standards.
• Analyze and map OT network topologies, data flows, and control system interactions (PLC, DCS, SCADA, MES).
• Develop and maintain documentation, implementation schedules, and reports based on industry-standard security frameworks.
• Support incident investigation, security testing, and remediation in alignment with InfoSec policies and standards.

Required Skills & Experience:

• Hands-on experience with Microsoft Defender for IoT, including deployment, configuration, and integration
• Strong knowledge of OT systems and architectures: PLC, SCADA, DCS, MES, etc.
• Deep understanding of OT network elements, communication protocols, and data flow design
• Experience in Asset Inventory, Vulnerability Management, and Security Incident Management within OT environments
• Proven ability to work with cross-functional teams, including engineering, IT, and cybersecurity
• Excellent communication and coordination skills
• Experience with network and infrastructure technologies in OT settings
• Knowledge of cybersecurity controls, frameworks (e.g., NIST, ISA/IEC 62443), and regulatory compliance
• Domain experience in Manufacturing, Energy, Utilities, or Healthcare