Hybrid OT Engineer

at Westinghouse Electric Company

• Job title: OT Engineer
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cyber Security
• Location requirements: Hybrid, Salwick, United Kingdom

About the role

• 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
• Learning and development opportunities.