Operational Technology (OT) Engineers

ALTEN; Old Romney; On-site; GBP 42,000 - 66,000; Full time

Benefits offered by this job

Private MedicalInsurance

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere & team buildings

Flexible working (role dependent)

Job summary

ALTEN is seeking an Operational Technology (OT) Engineer to join our Romney Marsh, UK teams, supporting Nuclear sector activities.

You will gain hands-on experience in industrial OT environments, focusing on maintenance, configuration control, and cyber resilience of plant OT systems while collaborating with engineering and operations teams.

Role requires 2–5 years of OT experience, UK security clearance eligibility, and on-site deployment at Romney Marsh.

Qualifications

• Understanding OT/I&C system lifecycle and configuration control.
• Knowledge of security considerations for OT environments.
• Experience with in-service management and system reliability.

Responsibilities

• Provide technical support for OT systems and cyber security across lifecycle.
• Support configuration control, data and repository management.
• Ensure OT security, regulatory compliance, and industrial safety.
• Act as site OT security contact and support security activities.
• Maintain OT documentation including asset registers and SOPs.
• Contribute to continuous improvement in the team.

Skills

OT systems

Cyber security

Configuration control

Analytical mindset

Lifecycle understanding

Education

Software Engineering / Cybersecurity degree

Equivalent military experience

Job description

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, UKto support our activities within theNuclearsector.

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, Cybersecurityor a closely related technical discipline, orequivalentmilitary 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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