Lead significant architectural packages of work, generating design decisions and supporting rationale
Apply independence, segregation and separation principles to C&I architectural decisions
Maintain system‑level architectural consistency across all major plant islands
Develop and manage architecture deliverables including the Capella model and system‑level design documentation
Collaborate with systems engineering, plant architecture, safety case and wider integration teams
Support development and refinement of cross‑cutting C&I system requirements
Ensure architectural changes are captured, reviewed and appropriately integrated into the design lifecycle
Support architectural verification and validation activities, including reviews
Present and explain complex architectural concepts to technical and non‑technical stakeholders
Mentor more junior team members contributing to architecture development

Significant experience across the C&I system design lifecycle, including specification, assessment, installation, commissioning and verification
Strong understanding of architectural resilience principles (independence, separation, segregation, diversity)
Knowledge of C&I technologies, digital platforms, protection systems, instrumentation and software/hardware architectures
Experience applying industry standards such as IEC 61508, IEC 61513, IEC 61226 or similar from other safety‑critical sectors
Strong systems engineering capability, including requirements management, interface management and structured decision‑making
Experience using MBSE tools (Capella preferred) and requirements management tools (e.g. DOORS, Polarion)
Ability to translate high‑level plant requirements into clear functional and logical architectural designs
Degree‑qualified in electrical, control, instrumentation or systems engineering, or equivalent experience

Senior Engineer – C&I Architecture

Key skills