OT Engineer maintaining and improving industrial control systems for nuclear fuel manufacturing. Supporting design and optimization while ensuring compliance with safety regulations.
Responsibilities
Maintain operational control systems (PLCs, DCS, HMIs, and SCADA) across the site's production facilities.
Resolve system faults to ensure reliable operation.
Conduct preventive maintenance and implement system upgrades to improve performance and reliability.
Collaborate with vendors, integrators, and suppliers for hardware/software support and lifecycle management.
Contribute to the design, development, and modification of OT systems following site engineering and safety standards.
Maintain accurate documentation, including system drawings, configuration records, and change logs.
Participate in system commissioning, testing, and validation.
Ensure changes follow approved configuration management and cyber security processes.
Collaborate with the Cyber Security team to implement secure architectures and technical controls within the OT environment.
Apply IEC 62443, OG86, and NCSC CAF principles to maintain compliance and resilience.
Support activities such as patch management, access control, and system backups for OT assets.
Ensure OT systems and modifications meet the requirements of the ONR Security Assessment Principles (SyAPs) and safety cases.
Support audits, inspections, and technical assurance activities for both internal and regulatory stakeholders.
Maintain accurate asset inventories and documentation to support ONR and NIS compliance obligations.
Identify and deliver opportunities to enhance system performance, reliability, and security.
Support training and knowledge-sharing with colleagues and apprentices within the engineering function.
Foster collaboration between engineering, IT, operations, and security teams.
Requirements
HNC/HND or degree in Electrical/Electronic Engineering, Control Systems, Automation, or a related discipline.
Experience maintaining or supporting industrial control systems in a manufacturing or critical infrastructure environment.
Working knowledge of: PLC/DCS/HMI/SCADA systems (e.g. Siemens, ABB, Honeywell, Rockwell, Emerson).
Industrial communication protocols (e.g. Modbus, OPC, Profibus, DNP3, Ethernet/IP).
OT network architectures, segmentation, and security controls.
Understanding of functional safety (IEC 61508/61511) and safe system operation.
Experience working in a regulated or safety-critical environment (e.g. nuclear, energy, defence, or chemical industries).
Familiarity with IEC 62443, OG86, NCSC CAF, and ISO 27001 frameworks.
Experience with OT monitoring tools (e.g. Nozomi, Claroty, Dragos) for visibility and asset management.
Knowledge of change management, system lifecycle, and configuration control processes.
Certifications such as TÜV Functional Safety Engineer, GICSP, CompTIA Security+, or ISA/IEC 62443 Cybersecurity Specialist.
Security clearance (SC/DV) or ability to obtain.
Benefits
Peer-to-peer recognition program.
Life insurance
Pension plan
Employee Assistance Program: confidential counseling and resources for employees, eligible dependents, and household members
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