OT/ICS Security Consultant

JR United Kingdom; Belfast; On-site; GBP 55,000 - 80,000; Full time

Job summary

A leading company in cyber security is looking for an experienced OT/ICS Cyber Security Specialist. In this critical role, you will enhance cyber resilience in operational environments, identifying risks and improving security posture while collaborating with diverse teams and stakeholders.

Qualifications

• Experience working in or securing OT, ICS, or industrial environments.
• Good communication skills with technical and non-technical teams.
• SC clearance or willingness to undergo clearance.

Responsibilities

• Support development and implementation of OT cyber security practices.
• Monitor and improve security controls, networks, and access policies.
• Engage with third parties to ensure security alignment.

Skills

Cyber security principles

Vulnerability Management

Network Security

Communication

Job description

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We are looking for an experienced OT/ICS Cyber Security Specialist to help strengthen cyber resilience across operational technology environments. You will play a key role in identifying and managing cyber risks in OT systems while working closely with internal teams and external partners to improve overall security posture.

This role is ideal for someone who understands the intersection of engineering, operations, and cybersecurity and wants to make a meaningful impact in complex, real-world environments.

• Vulnerability Management
• Security Assessment
• Policy Development
• Compliance and Regulations: Ensuring compliance and providing SME support to programmes of work delivering transformation in line industry standards such as IEC62443 and Industry regulations (NIS, CAF, OG86 and HSE).
• Network Security

Key Responsibilities

• Support the development and implementation of OT cyber security practices
• Contribute to the identification and remediation of vulnerabilities in OT systems
• Work with engineering, operations, and IT teams to embed cyber resilience across environments
• Help monitor and improve security controls, networks, and access policies
• Assist in the response to cyber incidents affecting operational systems
• Maintain documentation and contribute to policy, governance, and awareness efforts
• Engage with third parties, suppliers, or clients as needed to ensure security alignment
• Stay informed on emerging threats, technologies, and best practices in the OT space

What We're Looking For

• Experience working in or securing OT, ICS, or industrial environments
• A strong understanding of cyber security principles and operational risk
• Good communication skills and comfort working with technical and non-technical teams
• Familiarity with regulatory or industry frameworks is beneficial (but not essential)
• SC clearance or willingness to undergo clearance (where applicable)