OT Cybersecurity Engineer

Our client, a leading firm in the cyber security sector, is currently seeking an OT Cybersecurity Engineer to join their dynamic team. This permanent position is focused within the energy industry, playing a crucial role in ensuring the secure development and implementation of cybersecurity policies, processes, and controls for Operational Technologies (OT).

Key Responsibilities

• Support the Threat and Risk Assessment process for client products, solutions, and services.
• Conduct cybersecurity risk assessments for OT components within solutions and services.
• Provide secure design and architecture support for OT projects following Purdue Model principles (Levels 0-3).
• Contribute to security baselines, code-signing processes, and secure boot architecture for OT metering and embedded systems.
• Analyse firmware vulnerabilities using appropriate tools without impacting operational availability.
• Support security testing throughout the project lifecycle, ensuring security factory acceptance tests are undertaken.
• Integrate OT asset visibility and threat detection platforms.
• Maintain compliance with energy sector regulations and frameworks, including ISA/IEC 62443, NIST SP 800-82, and others.
• Provide procedural and technical cybersecurity advice to project designers, engineers, and testers.
• Monitor and report on cybersecurity target achievements and proactively suggest improvements.

Job Requirements

• Experience in cybersecurity with exposure to Operational Technology (OT), ICs, or SCADA utility environments.
• Working knowledge of core OT security principles, technologies, and processes, including ISA/IEC 62443 framework.
• Understanding of firmware and hardware security concepts, including cryptographic signing and hardware security modules (HSMs).
• Familiarity with sector-specific protocols such as DNP3, IEC (phone number removed)-104, Modbus, and OPC UA.
• Skills in problem-solving, analytical abilities, and strong organisational skills.
• Relevant degree in Electrical Engineering, Computer Engineering, Computer Science, or equivalent experience.
• Relevant certifications such as GICSP, ISA/IEC 62443 Specialist, or GRID are desirable.
• Ability to work effectively and responsibly without close supervision, supporting a collaborative team environment.

Benefits

• Competitive compensation package
• Opportunity for professional development and training
• Work on a variety of challenging projects
• Supportive and inclusive work environment
• Comprehensive employee benefits package

If you are a skilled OT Cybersecurity Engineer looking to advance your career in a forward-thinking and prestigious company, we would love to hear from you.

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