OT Cyber Security Engineer

OT Cyber Security Engineer Stone, Staffordshire (Remote Working Available) NEG (Enquire for Details) Systems Integration Consultancy SC Clearance Eligibility Required

MERITUS are working with a leading Systems Integration Consultancy based in Stone, Staffordshire. They're looking for an Operational Technology Cyber Security Engineer with a background in Industrial Control Systems (ICS/SCADA)

This is a fantastic opportunity to join a high-performing engineering team working on critical national infrastructure projects across the energy, utilities, water, renewables, and manufacturing sectors. This role offers home-based flexibility with UK-wide travel and the chance to lead high-impact security projects within complex OT environments.

As a Senior ICS OT Cyber Security Engineer, you will take a lead role in securing operational technology networks, delivering threat modelling, penetration testing, and cyber risk mitigation strategies for industrial environments. You will work closely with key stakeholders to design secure architectures, provide technical leadership on live security projects, and guide junior engineers in best practice for OT cybersecurity.

The role requires candidates to be eligible for SC Level Security Clearance.

Main Responsibilities:

• Lead the design and implementation of secure OT network architectures across critical infrastructure environments.
• Conduct attack path analysis, penetration testing and adversary simulations within ICS/OT environments.
• Perform cybersecurity risk assessments and technical security audits aligned to recognised industry frameworks.
• Develop technical design specifications and security documentation including functional and infrastructure specifications.
• Act as a technical mentor, guiding and supporting junior engineers within the cyber and OT engineering teams.

Required Skills:

• Proven experience securing ICS/SCADA, PLCs, RTUs and industrial communication protocols (MODBUS, OPC, DNP3, etc.).
• Strong background in designing and configuring secure networks including switching, routing, and firewalls.
• Solid knowledge of IT/OT segmentation and secure cross-domain communications.
• Experience delivering projects in sectors such as energy, water, oil & gas, or manufacturing.
• Demonstrable experience conducting security assessments aligned to frameworks such as NIST 800-53/82, ISO 27001, IEC 62443, NIS-D/NIS-R.

Desirable Skills:

• Hands-on experience with offensive security tools and red teaming in OT environments.
• Exposure to Digital Forensics and Incident Response (DFIR) within industrial networks.
• Experience working with Agile project tools such as JIRA, Confluence or Microsoft Planner.

Main Benefits:

• Negotiable salary (enquire for details)
• 28 days holiday (bank holidays on top)
• Remote & flexible working options
• Private medical insurance
• 6.5% pension matched

Got your attention?

If you believe that you have the skills and experience for the Quality Engineer role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS.