OT Cyber Security Engineer

Vinci; United Kingdom; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading technology services provider in the UK is seeking an OT Cyber Security Engineer. This role is critical in ensuring the safety and reliability of clients' operational systems. You will develop cybersecurity strategies, conduct risk assessments, and deploy security solutions. The ideal candidate has a minimum of three years' hands-on experience in IT/OT cybersecurity, excellent problem-solving skills, and a full UK driving licence. This position offers a comprehensive benefits package, including a hybrid working model.

Benefits

Company Shares Scheme

Pension

Medical Insurance

Financial Planning Support

Hybrid Working

Training Investments

Qualifications

• 3+ years of hands-on experience in an IT/OT cybersecurity role.
• Experience deploying OT security solutions in an OT environment.
• Ability to conduct OT risk assessments and audits.

Responsibilities

• Develop OT cybersecurity strategies and roadmaps for clients.
• Conduct OT risk assessments and lead remediation projects.
• Design and deploy OT cybersecurity solutions and tools.

Skills

IT/OT cybersecurity experience

Problem-solving skills

Communication skills

Team player

Education

IT/OT cybersecurity qualifications (e.g., CompTIA Security+, CISSP)

Tools

IDS (Intrusion Detection Systems)

Secure remote access solutions

Job description

The purpose of the OT Cyber Security Engineer role is to ensure the Safety, Reliability, and Availability of our clients' critical operational systems. This involves developing robust security measures, managing OT security incidents, conducting regular risk assessments, and ensuring compliance with relevant regulations and industry standards.

By joining Axians UK, you will play a key role in protecting critical infrastructures and ensuring the smooth operation of essential services. Your expertise will contribute significantly to our mission of providing top‑tier managed security services.

KEY RESPONSIBILITIES

• Act as a trusted advisor to clients, developing OT cybersecurity strategies and roadmaps.
• Translate compliance security outcomes into secure ICs solutions aligned with industry best practices such as IEC 62443.
• Conduct OT risk assessments and vulnerability analysis, leading remediation projects to close security gaps.
• Provide guidance on how clients can turn enterprise requirements into secure ICs designs.
• Assist presales activities, including solution design, proposal development, and client presentations.
• Design and deploy OT cybersecurity solutions and tools (IDS, secure remote access, endpoint security, and vulnerability management) using platforms such as Nozomi Networks, Fortinet etc.
• Implement IEC 62443‑aligned zones and conduits for network segmentation and risk reduction.
• Support SOC operations.
• Evaluate emerging OT security technologies and recommend improvements for resilience.
• Ensuring own and Teams adherence to Axians' Management System Manual for Quality (ISO 9001), InfoSec (ISO 27001) and ESG (ISO 14001).

ADDITIONAL RESPONSIBILITIES

• Value Demonstration: Consistently embody and demonstrate Axians' UK core values—Trust, Solidarity, Responsibility, Entrepreneurial Mindset and Autonomy—in all interactions and behaviours, both internally and externally.

REQUIRED SKILLS AND QUALIFICATIONS

Essential for the role:

• 3+ years of hands‑on experience working in an IT/OT cybersecurity role.
• Experience within an OT environment deploying OT security solutions.
• Design and implementation of solutions such as IDS, secure remote access (SRA), network segmentation, endpoint security, monitoring, and vulnerability management.
• Familiarity with IEC 62443, NIS Directive, HSE OG‑0086, and regulated industry compliance.
• Ability to conduct OT risk assessments and site audits.
• Excellent problem‑solving skills and ability to explain complex technical concepts to non‑technical stakeholders.
• Team player with excellent communication skills.
• Full UK driving licence and willingness to travel.

Desirable for the role:

• Experience with PLC, SCADA, and DCS systems, as well as common industrial protocols.
• Experience with normal OT project lifecycle and documentation.
• IT/OT cybersecurity qualifications such as CompTIA Security+, SANS GICSP, CISSP, or equivalent.

SALARY & BENEFITS

• Salary is based on experience and location.
• Benefits include: Company Shares Scheme, Pension, Medical Insurance, Financial Planning Support, Death in Service, Medicash Healthcare Cash Plan, Permanent Total Disability Insurance, Enhanced Maternity/Paternity/Adoption Pay, Company Sick Pay, Hybrid Working, Investment in personal and professional training, Professional Memberships, Health checks, Wellbeing training and support, Employee Assistance Program, Flu jabs, Eyecare and of course paid holiday.

WORK ENVIRONMENT

Axians is a fun and growing business both in the UK and globally. We are part of a network of businesses where you can learn from and work with peers worldwide to help you achieve your ambitions. Supporting our employees and customers is at the heart of who we are. This means we can support a hybrid work environment, but we always work best in teams in person, either in our offices or on customer sites.

ABOUT US

Axians UK is a technology services partner that delivers transformative solutions to accelerate our customers' ambitions in today's ever-changing world. Whether they need tried‑and‑tested platforms or cutting‑edge innovation, we commit to customer excellence and invest in long‑term thinking.

The strength of Axians' global network as part of VINCI Energies means our customers can rely on our incredible people to deploy technology that achieves critical operational outcomes, wherever you are and whatever your need.