Hybrid OT Engineer: Nuclear Control Systems

Westinghouse Electric Company LLC; Preston; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Pension plan

Life insurance

Employee Assistance Program

Job summary

Westinghouse Electric Company LLC is seeking an Operational Technology (OT) Engineer at the Springfields site to maintain and improve OT/ICS across production facilities. You will design, implement, and support PLC, DCS, HMI, and SCADA systems while ensuring cyber security and regulatory compliance with ONR and NIS standards.

The role blends engineering and cyber security, requiring collaboration with IT, security, and operations teams.

Qualifications

• 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 (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.

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.
• Support incident response and recovery for OT-related cyber or operational events.
• Ensure OT systems and modifications meet ONR SyAPs and safety case requirements.
• Support audits, inspections, and technical assurance activities for internal and regulatory stakeholders.
• Maintain asset inventories and documentation to support ONR and NIS compliance obligations.
• Contribute to digitalisation and automation initiatives across the Springfields site.
• Identify and deliver opportunities to enhance system performance, reliability, and security.
• Support training and knowledge-sharing with colleagues and apprentices within engineering.
• Foster collaboration between engineering, IT, operations, and security teams.

Skills

Industrial control systems

PLC/DCS/HMI/SCADA

OT security

Regulated environment

Functional safety

Cyber security practices

Education

HNC/HND or degree in Electrical/Electronic Engineering, Control Systems, Automation, or related discipline

Tools

Siemens

ABB

Honeywell

Rockwell

Emerson

Job description

Westinghouse Electric Company LLC is seeking an Operational Technology (OT) Engineer at the Springfields site to maintain and improve OT/ICS across production facilities. You will design, implement, and support PLC, DCS, HMI, and SCADA systems while ensuring cyber security and regulatory compliance with ONR and NIS standards.

The role blends engineering and cyber security, requiring collaboration with IT, security, and operations teams.