Operational Technology (OT) Engineers

ALTENis 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 & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Job Description

As anOperational Technology (OT) Engineer , you will join our teams in Romney Marsh, UK to support our activities within theNuclear 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.

• Location: Romney Marsh, UK
• On Site: 5 days
• 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
• Cyber security (Blue Team) activities
• Maintain and support key OT documentation and systems, including:
• OT asset registers
• Security case documentation
• Security operating procedures
• Cyber incident response processes
• Contribute to continuous improvement by sharing feedback and supporting team development

Qualifications

Required Skills:

• Understanding of the lifecycle of OT / I&C systems , particularly:
• Configuration control
• Security considerations
• In-service management
• Strong analytical mindset with attention to detail

Required Qualifications:

• A degree in Software Engineering, Cybersecurity or a closely related technical discipline, orequivalent 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

Additional Information

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 MedicalInsurance
• 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 & 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.

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