826 to 850 of 1,108 Principal Engineer Jobs

Elastic is hiring a Principal AI Engineer for the Context Engine team to own the end-to-end improvement loop of our AI agents and memory systems. You will design evaluations, telemetry, and safe rollout strategies, collaborating with data scientists, backend engineers, and product teams. Your work ships ...

Expleo Group in the United Kingdom is seeking a Principal MBSE Engineer to lead model-based systems engineering across complex aerospace and defence programmes, driving Digital Engineering, MBSE adoption, and digital thread initiatives. You will develop architectures, establish modelling standards, lead technical reviews, and mentor MBSE practitioners while ...

Group GTI in Wallingford, UK, is seeking a Principal Java Engineer to provide technical leadership for their core SaaS platform. You will own architecture, set engineering standards and mentor teams, collaborating with Product, Data, Ops and QA to deliver secure, scalable solutions. The role emphasizes driving performance, security ...

JPMorgan Chase in London is seeking a Principal Software Engineer to define and drive the multi-year platform engineering roadmap, focusing on scalable, secure infrastructure and AI-enabled development practices. You will mentor senior engineers, bridge product, business, and security stakeholders, and own production stability while advancing cloud ...

Leonardo UK in Basildon is seeking a Principal Test Engineer to support electro‐optical test equipment and test processes for Precision Guidance products, from development to production. You will contribute to test strategy, system design, and documentation while collaborating with production teams to resolve field issues. The role ...

Leonardo UK Ltd. is seeking a Principal Software Engineer (DevSecOps) in Luton, with responsibility for accelerating secure software delivery across defence programmes. You will champion modern engineering practices, drive automation and embed security throughout the lifecycle, contributing to enterprise DevSecOps capabilities across cloud and on-prem environments. ...

Resources is recruiting for a Principal RF Engineer in Bristol. The role is hybrid with a minimum of 3 days onsite and requires eligibility for UK SC clearance. You will own RF and mixed-signal hardware from initial architecture through schematic design, PCB implementation, bring-up and validation ...

Machine Learning Engineer (All Levels) Department: Engineering Employment Type: Permanent - Full Time Location: Bristol, UK Reporting To: Greg Daly Compensation: £50,000 - £95,000/year Description We’re building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience. We specialise … Europe’s fastest-growing engineering businesses. About the role We are growing our ML team and hiring across mid, senior, lead and principal levels. We are looking for AI builders; you will be working on developing and deploying AI systems to solve complex problems that have real-world impact. ...

role isn't just to execute a function, but to help redefine the future of how work gets done. We are looking for a Principal Solution Engineer for the UK market who can solve our customer's most complex problems. In this role you will work directly with … strategize on how to best support them in their evaluation and ultimately help our customers choose Snowflake as their solution. As a Snowflake Solution Engineer you share our passion for solving complex data challenges and helping organizations to get the most out of their data assets. Our technical landscape ...

Leonardo UK in the United Kingdom is seeking a Principal Software Engineer (DevSecOps) to accelerate secure software delivery across defence and security programmes. You will lead and mentor teams, drive automation, and shape our enterprise DevSecOps capabilities across cloud, on‐prem, and hybrid environments. The role focuses ...

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 ...

Join FLBG’s Global Infrastructure & Operations team as a Principle Cloud Infrastructure Engineer and help design, build, and scale mission‐critical cloud platforms that power a global enterprise. You’ll be the technical lead driving our cloud strategy and delivery, enabling secure, resilient, and compliant services across both … technical governance, including transition‐to‐operations, documentation, and audit input. What you bring: 10+ years in a 3rd/4th Line Cloud engineer role in a global enterprise business, or 6+ Years in a biomedical sciences 3rd/4th line IT support role. Or a mixture of both Proven ...

game-changing career, working for one of the world's leading financial institutions, you've come to the right place. As a Principal Software Engineer at our client within the Corporate Sector, you provide expertise and engineering excellence as an integral part of an agile data engineering team. … best-in-class outcomes across various technologies to support one or more of the firm's portfolios. This role is suited to a senior engineer who has hands-on skills to lead across multiple teamsdefining architecture, engineering practices and standards, and delivering high-impact software that scales. Job responsibilities ...

strengthen our impact across our industry, and ultimately our positive impact on society. Learn about the Danaher Business System which makes everything possible. The Principal Full Stack Engineer (Agentic AI) is responsible for accelerating the development of our Agentic AI platform and applications by; understanding and identifying optimal ...

generosity. Join us for the opportunity to grow and make a difference in ways that matter to you. Role Summary In this role as Principal Site Reliability Engineer, Infrastructure Observability you will help formulate, develop, and implement a team of Site Reliability Engineers (SREs) focused on the observability ...

deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Raytheon is seeking a Principal Systems Security Engineer (Anti-Tamper/Program Protection) - P4 to join our elite Systems Security Engineering (SSE) team for the Systems Engineering and Test ...

sector this team is working in, we require all candidates to hold an active eDV clearance for this role. Location: London, Permanent, Onsite. Role: Principal Software Engineer. About Raytheon UK, an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. ...

power one of the world's biggest financial platforms. Are you ready to make an impact that's seen by hundreds of millions? As Principal DevOps Engineer, you're not just maintaining systems you're building the foundation for the future. Taking ownership of mission critical infrastructure, lead ...

aerospace nacelle actuation. The position will be located within a new bespoke facility in Wolverhampton. We are seeking an experienced and highly motivated Principal Electric Systems Engineer – Motor drives to join our team in Wolverhampton. Reporting to ASG-UK Site Lead – Chief Engineer, you will provide technical ...

multidisciplinary team, and will be involved in all the aspects of IC design cycle from initial concept to volume production. As a Principal EDA Engineer y ou will be supporting design teams primarily working with a design flow. It’s an analogue flow using commercial ...

Funding Circle is seeking a Consultant Principal Salesforce Engineer to join on a contract basis, outside IR35, and start immediately. You will collaborate with Salesforce teams to refine the Salesforce Org and SDLC, shaping a technical roadmap and optimizing integration patterns. The role emphasizes architectural judgment ...

Vitality is seeking an experienced Principal Test Engineer to shape the quality, reliability and scalability of technology solutions across multiple journeys. You will act as a recognised technical authority, leading testing strategy and delivery across large programmes and partnering with architects, developers and product teams. You will drive ...

create an environment of inclusion—one focused on psychological safety, empathy, and human connection—that will allow employees of all backgrounds to thrive. Principal Sales Engineer - UKAmplitude is where product teams go when they're serious about understanding their users. We're the leading product analytics platform … reusable thought pieces, technical content, and operational frameworks for the broader Solution Engineering teamWhat We're Looking ForStrong experience in software pre-sales at principal level (Solutions Engineering, Sales Consulting, or Technical Account Management roles)Preference for experience in the product analytics, experimentation or customer data platform space. Strong ...

nineDots.io is seeking a backend engineer to build provenance and attestation infrastructure at the heart of modern software delivery. You will design systems that provide end-to-end traceability from source to deployed artifact, including how artifacts were built and used downstream. You will work on greenfield projects, shaping ...

stay aligned, move quickly, and think long term, while keeping teams lean and focused on impact. About the Role We're hiring a Principal Backend Engineer to lead the engineering team behind Push, Aave Labs' regulated, non-custodial on-ramp and off-ramp. This is a hands ...