Join a major cybersecurity program as a Cyber Security Systems Engineer Lead - OT, securing critical operational technology (OT) systems. This role suits an experienced professional ready to lead security control design and integration in a complex environment.
You will oversee the integration of cybersecurity tools into OT systems, ensuring compliance and resilience across the asset lifecycle-from procurement to decommissioning. Working with engineers, vendors, and operations teams, you'll deliver practical solutions that balance security and operational needs.
Key Responsibilities:
* Design and implement security controls for OT systems, including ICS/SCADA, compatible with legacy environments.
* Integrate tools like Nozomi Guardian or FortiNAC into OT/ICS systems.
* Apply IEC 62443 zones/conduits and Purdue Model for secure architectures.
* Turn compliance requirements into practical engineering solutions.
* Configure OT firewalls, manage ACLs, and support field deployments.
* Work cooperatively with teams to align on secure, practical outcomes.
* Support OT incident response, threat hunting, and risk management.
* Produce clear technical documentation, including network diagrams and plans.
What You Bring:
* 8+ years in OT, ICS, or industrial automation with cybersecurity experience.
* Expertise in OT protocols (e.g., Modbus, DNP3, IEC and real-time systems.
* Experience with tools like Nozomi or Fortinet in OT settings.
* Knowledge of IEC 62443, Purdue Model, and zero-trust principles.
* Tertiary qualifications in Engineering or IT; certifications like GICSP, CISSP, or SANS ICS410/515.
* Strong communication to connect technical and operational teams.
* Ability to manage flexible delivery in a busy environment.
At Randstad Digital, we are passionate about providing equal employment opportunities and embracing diversity to the benefit of all. We actively encourage applications from any background.