Company Description

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!

Job Description

As a Senior Process (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
• On Site: Hybrid
• Clearance: BPSS
• Experience Level: 4- 15

Key Responsibilities:

• Process Control & System Design
• Develop and maintain Control Philosophies, Control Narratives, and Functional Specifications for safety-critical systems
• Define control strategies, interlocks, alarms, and operating logic to meet functional, performance, and safety requirements
• Ensure control behaviour aligns with safety engineering principles including:
• Defence-in-depth
• Redundancy and diversity
• Failure tolerance and graceful degradation
• Support design, testing, validation, and commissioning strategies for HMI, automation, and control systems (DCS, PLC, SCADA, or safety platforms)
• Safety Case & Security Case Support
• Produce or contribute to Safety and Functional Requirements Specifications (SFRS)
• Provide engineering evidence supporting safety case and security case justification
• Participate in hazard identification and risk assessment activities, including:
• HAZOP
• FMEA
• Fault Tree Analysis (FTA)
• SIL / LOPA studies
• Safety audits
• Collaborate with safety, cybersecurity, and compliance teams to meet regulatory requirements
• Process Modelling, Analysis & Improvement
• Analyse process behaviour, system dynamics, and operational performance
• Support modelling, simulation, and engineering analysis to inform design decisions
• Identify opportunities to improve efficiency, reliability, stability, and lifecycle performance while maintaining safety integrity
• Instrumentation & Measurement Strategy
• Develop instrumentation and sensor strategies, including placement, accuracy, redundancy, diagnostics, and maintainability
• Specify sensors, transmitters, and critical measurements aligned with functional safety requirements
• Collaborate with plant engineers and control system teams to ensure effective integration into control loops
• Stakeholder Engagement & Change Management
• Work effectively in programmes with evolving requirements, ambiguity, and frequent design changes
• Engage with multidisciplinary stakeholders including:
• Operations teams
• Safety and assurance teams
• Cybersecurity specialists
• Systems engineers
• Control and instrumentation engineers
• External regulators or assessors
• Facilitate technical workshops, design reviews, and engineering decision forums
• Communicate complex engineering concepts to both technical and non-technical audiences
• Documentation & Compliance
• Produce clear, high-quality engineering documentation that is traceable and compliant with industry standards
• Review and approve technical deliverables from internal teams and suppliers
• Ensure alignment with relevant regulations and industry standards, such as:
• IEC 61508
• IEC 61511
• ISO 55000
• Sector-specific safety regulations

Qualifications

Required Skills:

• 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

Required Qualifications:

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

Desirable Skills:

• Experience within 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.

Additional Information

Why join us?

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 career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get:

• A personalised career path and a rewarding management style
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

Videos To Watch
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