Operational Technology (OT) Engineers

ALTEN; Dungeness; On-site; GBP 35,000 - 55,000; Full time

Benefits offered by this job

Private Medical Insurance

Employee assistance programme

Life insurance & Pension Scheme

Flexible working

Job summary

ALTEN is seeking an Operational Technology Engineer to join our team in Dungeness, UK, focusing on safety-critical OT systems for the Nuclear sector. You will help maintain and secure plant OT environments, working with engineers and operations to ensure reliability and compliance.

The role offers on-site work in Dungeness with BPSS clearance and 2 years of OT experience. You will gain hands-on exposure to industrial cyber security and asset management in a regulated setting.

Qualifications

• Understanding of the OT/I&C lifecycle and asset management.
• Knowledge of configuration control and security considerations.
• Experience with in-service OT systems and fault tolerance would help.
• Strong analytical mindset and attention to detail.
• Willingness to obtain UK security clearance.

Responsibilities

• Provide technical support for OT systems and cyber security across the lifecycle.
• Support configuration control and system management, including data repositories.
• Ensure OT security, regulatory compliance, and industrial safety are embedded in activities.
• Act as point of contact for site OT security matters and related documentation.
• Contribute to continuous improvement and team development.

Skills

OT lifecycle understanding

Configuration control

Security considerations

In-service management

Analytical mindset

Education

Software Engineering / Cybersecurity degree or military equivalent

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 Dungeness, 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.

• 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.