OT Engineer: Nuclear Plant Cyber Security & Ops in Dunbar

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement and support sustainable transformation.

As an Operational Technology (OT) Engineer, you will join our teams in Dunbar, Scotland to support our activities within the Nuclear sector. You will support the maintenance, configuration control, and cyber resilience of plant OT systems, working closely with engineering and operations teams to ensure systems remain secure, compliant, and reliable. You will gain hands-on experience in industrial environments, developing expertise in OT systems, asset management, and cyber security practices within a highly regulated, safety-critical industry.

On Site: Hybrid

Clearance: BPSS

Experience Level: 2-5 YOE

Key Responsibilities:

• Provide technical support for OT systems and cyber security management across the full lifecycle (development to in-service operation)
• Support configuration control and system management, including tools, data, and repositories
• Ensure OT security, regulatory compliance, and industrial safety are embedded in all activities
• Act as a point of contact for site OT security matters, supporting Plant Computer Systems Security (PCSS) practitioners and Cyber security (Blue Team) activities
• Maintain and support key OT documentation and systems, including OT asset registers, security case documentation, security operating procedures, and cyber incident response processes
• Contribute to continuous improvement by sharing feedback and supporting team development

Required Skills:

• Understanding of the lifecycle of OT / I&C systems, particularly configuration control, security considerations, and in-service management
• Strong analytical mindset with attention to detail

Required Qualifications:

• A degree in Software Engineering, Cybersecurity or a closely related technical discipline, or equivalent military experience
• Eligible for (or holding) UK security clearance
• Up to 2 years’ experience (or relevant placements) in Operational Technology (OT) systems, configuration management or cyber security, system reliability and fault tolerance, proof testing and maintenance practices, through-life asset management and obsolescence, IEC 62443, NIST Cyber Security Framework, IEC 61508
• Interest in OT cyber security, industrial networks, and infrastructure systems

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today.

A personalised career path and a rewarding management style, a huge diversity of engineering projects and industries, private medical insurance, employee assistance programme, life insurance & pension scheme, social atmosphere, regular gatherings & team buildings, flexible way of working (role dependent).

We are proud to support the Armed Forces Covenant and actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed or rejected. Details of this will be discussed with you at interview.