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OT Security Architect; Specialist Consultancies
Job Description & How to Apply Below
As a Principal OT Security Architect within our Global Cybersecurity Advisory practice, you will serve as the strategic and technical anchor for large-scale, multi-country Industrial Control Systems (ICS) and Operational Technology (OT) security transformations. This role demands a blend of deep technical mastery, architectural foresight, and elite client-facing advisory skills.
You will lead cross-border engagement teams to design, validate, and oversee the implementation of resilient OT security architectures for the world’s largest Oil & Gas (upstream/downstream) and Utilities (Power, Water, Nuclear) enterprises across multiple jurisdictions.
Responsibilities- Multi-Country Architecture Frameworks: Design and harmonize enterprise-wide OT security architectures that span multiple geographic regions, balancing global corporate blueprints with localized operational realities.
- Regulatory & Compliance Mapping: Navigate and align complex international regulatory landscapes and local mandates across jurisdictions (e.g., NIST SP 800-82, NIS 2 Directive, NERC CIP, and regional GCC/SDAIA/NCSA directives).
- Risk & Capability Maturity Assessments: Lead comprehensive, multi-site OT security assessments, threat modeling, and risk profiling to build multi-year security roadmaps for client executives (C-Suite and Board level).
- Purdue Model Blueprinting: Design secure-by-design architectures from Level 0 (Process) to Level 5 (Enterprise), ensuring robust network segmentation, boundary protection, and secure industrial demilitarized zones (iDMZs).
- Legacy Integration & Modernization: Architect secure integration strategies for legacy SCADA, DCS, PLC, and SIS environments with modern industrial IoT (IIoT), cloud analytics, and edge computing platforms.
- Threat Detection & Incident Response: Design and oversee the deployment of OT-specific monitoring solutions (e.g., continuous threat detection, asset discovery tools) and integrate them with centralized or federated Security Operations Centers (SOC).
- Consulting Delivery: Lead high-performing, distributed engineering and advisory teams, ensuring projects are delivered on time, within scope, and at the highest quality standards.
- Thought Leadership: Represent the firm at global industry forums, contribute to white papers, and continuously mature the firm's internal OT security frameworks, methodologies, and accelerator toolkits.
- 7+ Years of Dedicated OT/ICS Security
Experience:
Proven track record specifically focused on securing industrial environments, embedded systems, and critical infrastructure. - Sector Expertise (Oil & Gas / Utilities): Deep, firsthand domain knowledge of industrial processes within Oil & Gas (refineries, pipelines, offshore platforms) or Utilities (power generation, transmission, distribution, and water treatment).
- Consulting / Client-Facing Background: Minimum of 3 years in a professional services or management consulting environment, demonstrating an ability to manage scope, navigate client politics, and articulate technical risk in business terms.
- Global/Multi-Country Delivery: Documented experience executing projects or managing architectures across multiple countries, time zones, and cultural environments.
- ISA/IEC 62443 Certifications (Highly Preferred): ISA/IEC 62443 Cybersecurity Design Specialist or Cybersecurity Security Authority.
- Other Relevant Industry
Certifications:
GIAC Global Industrial Cyber Security Professional (GICSP) or GIAC Response and Industrial Defense (GRID).
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