Operational Technology (OT) Engineers

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 & 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!

As an Operational Technology (OT) Engineer , you will join our teams in Romney Marsh, UK 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.

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:

Plant network diagrams

OT asset registers

Security case documentation

Security operating procedures

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

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

Desirable Skills:

Up to 2 years’ experience (or relevant placements) in Operational Technology (OT) systems

Industrial control / I&C 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

Why join us?

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.

In short you get:

A personalised career path and a rewarding management style

A huge diversity of engineering projects and industries

Private Medical Insurance

Cycle & Tech Scheme

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.