OT Security Architect – Remote, Regulated Manufacturing

Jobgether; United Kingdom; Remote; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Freelance/contract engagement

Fully remote position

Europe-based opportunity

Start date: October 2026

40 hours per week (full-time)

Opportunity to lead OT cybersecurity

Job summary

Jobgether, on behalf of a partner company, seeks an OT Security Architect based in the United Kingdom to shape enterprise OT cybersecurity across regulated manufacturing environments. You will lead development of OT security standards, reference architectures, governance frameworks, and secure connectivity strategies.

The role combines strategic architecture with hands-on expertise in network segmentation, IAM, and incident response, applying IEC 62443 and NIST SP 800-82 to strengthen OT

Qualifications

• 12+ years of cybersecurity experience, including 7+ years in OT/ICS security.
• Experience in regulated manufacturing environments.
• Strong knowledge of IEC 62443 and NIST SP 800-82.
• Deep expertise in Industrial Control Systems and manufacturing cybersecurity.
• Experience leading OT security risk assessments and governance.
• Knowledge of Purdue Model, OT DMZs, and OT network segmentation.
• Experience defining OT IAM requirements and privileged access controls.

Responsibilities

• Lead stakeholder workshops with IT, OT, Engineering, Manufacturing, Quality, and Cybersecurity teams.
• Define OT cybersecurity strategies, architecture principles, security standards, and governance frameworks.
• Develop Security Zones and Conduits aligned with IEC 62443.
• Establish Defence-in-Depth security architectures based on the Onion Model.
• Define OT network segmentation strategies and firewall architecture standards.
• Establish secure connectivity requirements between OT, IT, and cloud platforms.
• Develop OT identity and access management requirements including privileged access controls.
• Define cybersecurity requirements for OT vulnerability management and incident response.
• Ensure OT security architectures align with regulations and corporate standards.
• Lead technical architecture reviews, governance forums, and sign-off processes.
• Translate security requirements into enterprise standards and reusable reference architectures.

Job description

Jobgether, on behalf of a partner company, seeks an OT Security Architect based in the United Kingdom to shape enterprise OT cybersecurity across regulated manufacturing environments. You will lead development of OT security standards, reference architectures, governance frameworks, and secure connectivity strategies.

The role combines strategic architecture with hands-on expertise in network segmentation, IAM, and incident response, applying IEC 62443 and NIST SP 800-82 to strengthen OT