Process Design Control & Instrumentation Engineer

As a Senior Process Design Control & Instrumentation Engineer, you will join Manchester/Derby/ Warrington team to support our activities within the Nuclear sector. 

This role focuses on developing control philosophies, control narratives, and Safety & Functional Requirements Specifications (SFRS) including HMI specifications that support the safety case, security case, and regulatory compliance across complex engineered systems.

The position requires strong process engineering capability, understanding of safety-critical design principles, and experience working in highly regulated environments where requirements evolve and designs change frequently.

• Location: Manchester/Derby/ Warrington (Can be anyone site)
• On  2 times per 14 Days to anyone of the site 
• Clearance: BPSS 
• Experience Level: 4- 15

Key Responsibilities:

Process Control & System Design

• Develop control philosophies, narratives, and functional specifications for safety-critical systems
• Define control strategies, alarms, interlocks, and operating logic
• Ensure control behaviour follows safety principles such as defence-in-depth, redundancy, and failure tolerance
• Support design, testing, validation, and commissioning of control systems (DCS, PLC, SCAD

Safety & Risk Management

• Contribute to Safety and Functional Requirements Specifications (SFRS) and safety/security cases
• Support hazard analysis and risk assessments (HAZOP, FMEA, FTA, SIL/LOPA)
• Work with safety, cybersecurity, and compliance teams to meet regulatory requirements

Process Analysis & Instrumentation

• Analyse process performance and system dynamics to support design decisions
• Identify improvements in efficiency, reliability, and stability
• Develop instrumentation and measurement strategies aligned with functional safety requirements