About this role
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/ WarringtonOn Site: Hybrid Clearance: BPSS Experience Level: 4- 15Key Responsibilities:
Process Control & System DesignDevelop and maintain Control Philosophies, Control Narratives, and Functional Specifications for safety-critical systemsDefine control strategies, interlocks, alarms, and operating logic to meet functional, performance, and safety requirementsEnsure control behaviour aligns with safety engineering principles including:Defence-in-depthRedundancy and diversityFailure tolerance and graceful degradationSupport design, testing, validation, and commissioning strategies for HMI, automation, and control systems (DCS, PLC, SCADA, or safety platforms)Safety Case & Security Case SupportProduce or contribute to Safety and Functional Requirements Specifications (SFRS)Provide engineering evidence supporting safety case and security case justificationParticipate in hazard identification and risk assessment activities, including:HAZOPFMEAFault Tree Analysis (FTA)SIL / LOPA studiesSafety auditsCollaborate with safety, cybersecurity, and compliance teams to meet regulatory requirementsProcess Modelling, Analysis & ImprovementAnalyse process behaviour, system dynamics, and operational performanceSupport modelling, simulation, and engineering analysis to inform design decisionsIdentify opportunities to improve efficiency, reliability, stability, and lifecycle performance while maintaining safety integrityInstrumentation & Measurement StrategyDevelop instrumentation and sensor strategies, including placement, accuracy, redundancy, diagnostics, and maintainabilitySpecify sensors, transmitters, and critical measurements aligned with functional safety requirementsCollaborate with plant engineers and control system teams to ensure effective integration into control loopsStakeholder Engagement & Change ManagementWork effectively in programmes with evolving requirements, ambiguity, and frequent design changesEngage with multidisciplinary stakeholders including:Operations teamsSafety and assurance teamsCybersecurity specialistsSystems engineersControl and instrumentation engineersExternal regulators or assessorsFacilitate technical workshops, design reviews, and engineering decision forumsCommunicate complex engineering concepts to both technical and non-technical audiencesDocumentation & ComplianceProduce clear, high-quality engineering documentation that is traceable and compliant with industry standardsReview and approve technical deliverables from internal teams and suppliersEnsure alignment with relevant regulations and industry standards, such as:IEC 61508IEC 61511ISO 55000Sector-specific safety regulations Required Skills:
Strong background in process control, system behaviour, and optimisationProven experience developing control philosophies, control narratives, and functional specificationsExperience contributing engineering outputs to safety cases or security casesKnowledge of hazard identification and risk-based engineering methodologiesFamiliarity with instrumentation, sensors, and control system integrationRequired Qualifications:
A degree in Electrical, Instrumentation & Control, Process, Mechanical, or Chemical Engineering, or a closely related technical discipline, or equivalent military experienceDesirable 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. 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 industriesPrivate Medical InsuranceCycle & Tech Scheme Employee assistance programmeLife insurance & Pension SchemeSocial atmosphere, regular gatherings & team buildingsFlexible 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.