OT Security Architect Industrial Control Systems (Hybrid)

Cegeka; Antwerpen, Diegem; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work model

Career growth opportunities

Top Employer certificate

Competitive benefits package

Job summary

Cegeka is seeking a Security Solution Architect - OT to lead design authority across industrial environments, translating business, safety, and security requirements into practical target architectures and implementation guidance.

You will collaborate with OT asset owners, plant engineering, IT and security teams to define target architectures, govern design decisions, and support pre-sales with credible options and risks.

Qualifications

• Substantial experience designing security solutions for OT or industrial environments.
• Deep understanding of industrial control systems (PLCs, SCADA, DCS, HMIs) and IT/OT integration.
• Knowledge of ISA/IEC 62443 standards and risk-based zoning concepts.
• Ability to produce high-level OT designs and govern detailed design reviews.
• Experience supporting presales with OT architecture inputs and cost considerations.
• Strong communication, leadership and collaboration skills.
• Fluent English; additional languages are a plus.
• Relevant certifications and higher education in cybersecurity or automation.

Responsibilities

• Lead customer discovery, site assessments and architecture workshops with OT teams.
• Define OT security target architectures and high-level designs with implementation guidance.
• Act as OT security design authority and govern design decisions.
• Guide engineering teams through implementation, validate runbooks and handover.
• Address OT security, integration and operational risks with appropriate controls.
• Provide OT architecture inputs to Solution Pre-Sales including risks and estimates.
• Collaborate with Product Management on OT security services and patterns.
• Maintain reusable OT architecture assets and support partner relationships.

Skills

OT security design

Industrial control systems

Solution architecture

Customer-facing consulting

ISA/IEC 62443 knowledge

Purdue model knowledge

English communication

Education

Higher education in cybersecurity/architecture

Tools

ISA/IEC 62443

GIAC GICSP

Job description

Cegeka is seeking a Security Solution Architect - OT to lead design authority across industrial environments, translating business, safety, and security requirements into practical target architectures and implementation guidance.

You will collaborate with OT asset owners, plant engineering, IT and security teams to define target architectures, govern design decisions, and support pre-sales with credible options and risks.