Operational Technology (OT) Security Architect
Posted 1 day ago by ZKM Consulting
£800 Per day
Inside
Remote
United Kingdom
Summary: The OT Security Architect will play a crucial role in securing Operational Technology systems against cyber threats within critical infrastructure projects. This position involves identifying risks, developing mitigation strategies, and providing expert guidance to ensure secure project delivery. The role requires collaboration with various stakeholders and a strong understanding of OT security standards and technologies. The position is a long-term contract based in the UK with remote working options.
Key Responsibilities:
- Provide security guidance and architectural leadership for OT projects and programmes
- Define security scope, requirements, and patterns across OT systems, including substations
- Support deployment of security solutions (e.g., IDS) and ensure compliance with standards
- Conduct risk assessments and identify, track, and mitigate key OT cyber risks
- Coordinate technical security design reviews and provide policy-aligned input
- Perform supply chain assurance and review vendor security posture
- Contribute to secure engineering specifications and architecture reviews
- Maintain documentation, reporting, and awareness of emerging threats
Key Skills:
- Bachelor’s degree (or equivalent experience) in a relevant field
- 7+ years of experience in OT security or related disciplines
- Strong analytical and problem-solving skills in OT environments
- Excellent communication and collaboration skills
- Knowledge of OT security vendor technology
- Knowledge of OT cybersecurity standards (e.g., IEC 61850, IEC 62443)
- Familiarity with GRID training or similar industrial defence programmes
- Understanding of electrical substation or engineering environments
- Awareness of FMEA or comparable risk analysis methods
- Stakeholder-focused mindset balancing operational needs and security
Salary (Rate): £800 daily
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
Job Title: OT Security Architect
Location: UK / Remote
Rate: £700 to £800 per day (inside IR35)
Type: Long term contract
We are partnering with a leading MSSP to help them deliver secure OT projects to their customers within the national critical infrastructure space.
Role Overview
The OT Security Architect will ensure Operational Technology (OT) systems are secure against cyber threats across projects and environments. You will identify risks and vulnerabilities specific to OT, develop mitigation strategies, and provide expert guidance to support secure delivery within a critical energy infrastructure project.
Key Responsibilities
- Provide security guidance and architectural leadership for OT projects and programmes
- Define security scope, requirements, and patterns across OT systems, including substations
- Support deployment of security solutions (e.g., IDS) and ensure compliance with standards
- Conduct risk assessments and identify, track, and mitigate key OT cyber risks
- Coordinate technical security design reviews and provide policy-aligned input
- Perform supply chain assurance and review vendor security posture
- Contribute to secure engineering specifications and architecture reviews
- Maintain documentation, reporting, and awareness of emerging threats
Requirements
- Bachelor’s degree (or equivalent experience) in a relevant field
- 7+ years of experience in OT security or related disciplines
- Strong analytical and problem-solving skills in OT environments
- Excellent communication and collaboration skills
- Knowledge of OT security vendor technology
- Knowledge of OT cybersecurity standards (e.g., IEC 61850, IEC 62443)
- Familiarity with GRID training or similar industrial defence programmes
- Understanding of electrical substation or engineering environments
- Aware of FMEA or comparable risk analysis methods
- Stakeholder-focused mindset balancing operational needs and security