Process Design Control & Instrumentation Engineer

ALTENis a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

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

• 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

• 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

• 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

• Strong background in process control, system behaviour, and optimisation
• Proven experience developing control philosophies, control narratives, and functional specifications
• Experience contributing engineering outputs to safety cases or security cases
• Knowledge of hazard identification and risk-based engineering methodologies
• Familiarity with instrumentation, sensors, and control system integration

• A degree in Electrical
  , Instrumentation & Control
  , Process
  , Mechanical
  , or Chemical Engineering
  , or a closely related technical discipline, or
  equivalent
  military experience

• Experience with in nuclear, energy, or large infrastructure projects.
• Familiarity with UK and international fire protection standards (e.g. BS 5839, NFPA, IEC).
• Knowledge of process instrumentation
  , control systems
  , or electrical schematics
  .
• Understanding of ISO 9001
  , ISO 45001
  , or equivalent safety and quality frameworks.
• Experience managing or auditing equipment suppliers on technical compliance and documentation quality.

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear…