Cyber Security in Sheffield

Contract Security Architect – OT & Cyber Security

Location: South East

Contract Duration: 6–12 months+

We are seeking an experienced Security Architect to support a major Operational Technology (OT) transformation programme within a highly regulated environment. This role offers the opportunity to contribute to the design and delivery of secure, scalable, and resilient architectures across multiple cyber security initiatives within critical infrastructure.

Responsibilities

• Define and deliver logical and physical architectures, integration patterns, and data flows.
• Establish and maintain architectural roadmaps, ensuring adherence to recognized industry standards (e.g., IEC 62443, NIST).
• Collaborate with multi-disciplinary teams to translate business requirements into secure and resilient technical solutions.
• Provide architectural guidance in vendor selection, governance reviews, and operational acceptance processes.

Skills & Experience

• Proven experience in Operational Technology (OT) and cybersecurity solution architecture.
• In-depth knowledge of industrial control systems, network segmentation, and secure configuration practices.
• Practical expertise in Zero Trust principles, encryption technologies, vulnerability management, and endpoint hardening.
• Familiarity with OT protocols and security frameworks applicable to regulated industries.
• Strong stakeholder engagement capabilities and excellent communication skills.

Interested applicants are invited to submit their most recent CV