OT Cyber Security Architect – Nuclear & Industrial

Amentum seeks a Cyber Security Professional to develop security requirements and architectures for complex OT systems, with a focus on risk assessment and accreditation activities. You will implement robust risk management and support business development across Nuclear, Defence, and critical infrastructure markets, with a hybrid working arrangement and travel to client sites.

The role demands hands-on security engineering across IT/OT environments, knowledge of IEC 62443, and familiarity with

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