16 of 16 Principal Systems Engineer Jobs in London

creating it. From cutting-edge defence technology to ground-breaking innovations our mission is to empower and protect lives. Join us as a Principal IT Data Systems Engineer at either our Bristol, Amesbury, Farnborough or Malvern site, where you will have the opportunity to work with cutting … edge technology in partnership with some of the most brilliant minds. The RoleAs a Principal IT Data Systems Engineer, you will provide Digital Engineering Technical Leadership and IT Data Systems Integration expertise to enable a Digital Engineering project to meet its business objectives working ...

looking for an experienced Principal Systems Engineer to support the design, integration, testing, and delivery of complex engineering systems. The role involves working across the full systems lifecycle, from initial concept and requirements through to verification, acceptance, and customer delivery. The successful candidate will work with … multidisciplinary teams across software, electronics, and mechanical engineering, supporting system development, risk management, technical documentation, and continuous improvement. Key Responsibilities Lead systems design, integration, verification, and testing activities. Support projects through the full engineering lifecycle. Work closely with software, electrical, and mechanical engineering teams. Manage technical risks and contribute ...

join our team. What you'll do Reporting to the Aviation & Maritime Safety Engineering Director within the Engineering Integration and Delivery group, the Principal Aviation & Maritime Safety Systems Engineer will work as part of a small team of safety engineering specialists who are responsible for all engineering … lead in meetings with suppliers and must be capable of dealing confidently with experts in similar and adjacent disciplines. Viasat, Inc. seeks an experienced systems engineer for this role within the Engineering Integration and Delivery group, in close cooperation with the IRIS Program Manager ...

Principal Security & Systems Engineer – Windows, Automation, Endpoint SecurityLondon – HybridIndustry Leading CompensationQuant Capital is partnered with a leading trading firm looking to hire a Senior IT Security Engineer to strengthen its global security posture. This sits within a high-performing engineering group and suits someone ...

seeking out the very best talent to join the SYSTRA signature team and be part of leading the way in infrastructure design. Context The Principal Engineer will be accountable for the design delivery of allocated engineering work packages within their discipline (see accompanying addendum), ensuring the delivery … excellence, collaboration, respect, and empowerment, contributing to an environment where all collegues can thrive, achieve, and grow together Profile/Skills Hold domain recognised systems integration/engineering qualifications such as ASEP, CSEP, CPRE or specialist qualifications e.g. in safety critical systems engineering. Experience of contract conditions, processes ...

Vantage is looking for an ambitious, detail-oriented, hands-on Principal Automation Systems Engineer to head software development for construction of Vantage facilities. You will review sequence of operation documents, instrumentation diagrams to develop logic control software and visualization applications for new builds on a variety … system platforms. You will also be called on to troubleshoot existing automation systems in a live, mission-critical environment, and complete startup, commissioning and validation procedures on new and existing mission critical data center infrastructure. You will be required to create and review design documentation, review submittals from suppliers ...

Pension Insurance Corporation (PIC), we're looking for a Principal IT Systems Engineer to join our IT Operations and Engineering team. This is a senior, hands-on technical leadership role for an experienced engineer who combines deep infrastructure expertise with modern cloud and platform engineering capabilities. … senior technical authority and escalation point across infrastructure, cloud, identity and platform services. Provide technical leadership and deputise for the IT Systems Team Manager when required. Drive the design, resilience and continuous improvement of on-premises and cloud platforms. Lead root cause analysis and resolution of complex technical issues ...

evaluate, and deploy models at scale - forming the foundation of Hollywood's AI transformation. Our team sits at the intersection of large-scale data systems, machine learning, and high-performance computing. We own the full stack, from data ingestion and curation through distributed training and production inference, enabling researchers … move quickly while maintaining reliability and scalability. This role focuses on building and optimizing systems for large-scale multimodal datasets, including video, embeddings, and metadata, ensuring they are fast, reliable, and production-ready. The RoleWe're looking for experienced ML Systems Engineers to join our Research Services team ...

CreateFuture in the UK seeks a Principal Engineer to shape systems, mentor engineers, and drive architectural decisions across the full stack. You will balance delivery with design, working with AI-enabled tooling, Claude Code and agents to achieve robust outcomes for clients. The role requires deep engineering ...

Monzo is seeking a Principal Engineer to lead architectural direction for the company’s most complex systems. You will partner with engineering and product leaders to shape the technical and product roadmap, staying hands-on to maximize leverage. You will mentor senior engineers and drive cross-team initiatives ...

Northern Trust is seeking a Principal Software Engineer to lead and mentor teams in London, delivering complex software solutions. You will leverage deep technical expertise to influence architecture, guide multi-disciplinary projects, and drive outcomes aligned with our business goals. The role emphasizes analytical thinking, decision making ...

reaching well beyond iOS and Android. Based in Mobile Engineering, you will use a close connection to customer and product needs to shape backend systems across engineering organizations. You will help decide which cross-team problems to tackle and where architectural investment will have the greatest impact, then work … with the owning engineers to build and prove the solution in production. What You'll Do Shape the systems behind product experiences: Set technical direction for client-facing APIs and the backend architecture behind them. Work with service and platform owners to simplify how backend services connect and support ...

Anaplan Inc is looking for a Principal Data Engineer to work across the full stack of Anaplan AI applications. This role includes designing and building retrieval layers for agentic workloads and developing GenAI features that enhance real-time planning workflows. The ideal candidate will have deep knowledge ...

leading project solutions company in London is seeking a Principal AI Engineer to drive innovative AI initiatives. The ideal candidate will have strong leadership skills and deep technical expertise in AI and machine learning, overseeing the development of advanced AI systems. This high-impact role demands a visionary ...

Moody's is seeking a Principal Software Engineer-AI to lead strategy, delivery, and evolution of mission-critical AI platforms and intelligent applications within the Digital Content and Innovation organization. You will own multi-year architecture and technology roadmaps for AI platforms and guide multiple engineering teams ...

leading IoT technology firm is seeking a highly skilled Principle and Senior Backend Engineer (.NET) to design and develop critical backend services for IoT products. The role involves building scalable systems, ensuring high automated test coverage, and collaborating with various teams to create secure solutions. This position offers ...