Principal Systems EngineerLocation: UK (with occasional UK and overseas travel)Employment Type: PermanentSector: Engineering / Systems IntegrationSalary: Competitive + benefitsAre you an experienced Systems Engineer looking to lead high-impact technical work across complex, multi-disciplinary projects? This is an exciting opportunity to join a growing engineering team and play a pivotal role in delivering large-scale, safety-critical systems.We are seeking a Senior Systems Engineer to provide technical leadership, drive systems engineering best practice, and guide project teams throughout the full engineering lifecycle. This position offers the chance to shape engineering processes, support cutting-edge project delivery, and mentor the next generation of engineers.What You''ll Be DoingAs a Senior Systems Engineer, you will:Systems Engineering LeadershipLead systems engineering activities from concept through to commissioning.Manage system and stakeholder requirements, ensuring full traceability through to verification.Develop and maintain system architectures, functional models, and interface definitions.Oversee integration activities across mechanical, electrical, control, and software disciplines.Define and implement verification and validation strategies, ensuring regulatory compliance.Support safety case development, hazard analysis, and risk assessments.Technical Delivery and AssuranceManage technical deliverables from subcontractors and suppliers.Ensure configuration co