15 of 15 Principal Engineer Jobs in the Thames Valley

Principal Infrastructure Engineer (Nutanix HCI IaC) London/WFH to £125k Opportunity to progress your career in an impactful Principal Infrastructure Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. As a Principal Infrastructure Engineer you will play a pivotal role … mentoring skills You're collaborative and pragmatic with great communication skills, you're comfortable working with other teams and business stakeholders What's in it for you: As a Principal Infrastructure Engineer you will earn a competitive package: Salary to £90k + Bonus Pension, Private Medical Care, Life Assurance Option to buy or sell holiday days Wellness benefits … annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Principal Infrastructure Engineer (Nutanix HCI IaC) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're More ❯

Principal Hardware Engineer | Marine | AUV | Robotics | Harwell – Hybrid | £65,000pa - £70,000pa plus share scheme & benefits: A once in a lifetime opportunity has arisen for a passionate Principal Hardware Engineer to join a stealth robotics company based in the Oxfordshire area. This amazing business and AUV submersible robot have massive potential across a range of different … industry sectors. The Principal Hardware Engineer will lead in the design, integration, and testing of advanced hardware systems for autonomous underwater vehicles (AUVs) and remotely operated vehicles (ROVs). In this role, you will be responsible for developing mission-critical electronics and system architectures that operate reliably in challenging marine environments. If you’re passionate about robotics within … the maritime industry and the autonomous vehicle and unmanned vehicle industry, you honestly need to make contact with us, this Principal Hardware Engineer role is not to be missed. Candidates must be British Citizens or have lived in the UK for a minimum of 5 years, due to needing SC clearance. Key Responsibilities: Lead the architecture and development More ❯

Principal Hardware Engineer | Martine | AUV | Robotics | Harwell – Hybrid | £65,000pa - £70,000pa plus share scheme & benefits: A once in a lifetime opportunity has arisen for a passionate Principal Hardware Engineer to join a stealth robotics company based in the Oxfordshire area. This amazing business and AUV submersible robot have massive potential across a range of different … industry sectors. The Principal Hardware Engineer will lead in the design, integration, and testing of advanced hardware systems for autonomous underwater vehicles (AUVs) and remotely operated vehicles (ROVs). In this role, you will be responsible for developing mission-critical electronics and system architectures that operate reliably in challenging marine environments. If you’re passionate about robotics within … the maritime industry and the autonomous vehicle and unmanned vehicle industry, you honestly need to make contact with us, this Principal Hardware Engineer role is not to be missed. Candidates must be British Citizens or have lived in the UK for a minimum of 5 years, due to needing SC clearance. Key Responsibilities: Lead the architecture and development More ❯

Principal JavaScript Engineer (TypeScript/React/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they … re looking for an outstanding Principal Engineer to drive their platform forward. The company in a nutshell Funding : $25M Series A from top-tier investors Leadership : Founders with a track record of building one of Europe’s best-known B2B scale-ups Growth : Plans to 10× revenue and expand to 200+ enterprise customers within 3 years What’s More ❯

Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯

Principal Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about high-throughput, real-time systems? This is your opportunity … or more if you’d like!) 🌍 Opportunity to collaborate with major global banks 🚀 Fast-paced, product-led environment where your voice matters If you're a motivated Senior/Principal/Staff Java Software Engineer ready to tackle complex challenges and deliver meaningful change, hit apply – and shape the future of payments with us. More ❯

Contributor) to solve some of their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team. As a Principal Engineer , you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line management. What You'll Do … approaches and accelerate their learning. Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team. Who We're Looking For You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. You are a fantastic IC who More ❯

.NET Framework systems toward modern, containerised .NET 8/9 services running on Kubernetes in both on-prem and cloud environments. About the Role We are looking for a Principal Software Engineer with a DevOps mindset and deep software engineering experience , especially in .NET. This is a hands-on, leadership role where you'll help shape the technical … collaboration across teams. Architect and implement solutions that span software and infrastructure, balancing resilience, scalability, and maintainability What We’re Looking For Essential Proven experience as a Senior or Principal Engineer in both software and DevOps contexts. Strong .NET software engineering background. Deep expertise in Kubernetes (on-prem and cloud) and Terraform . Experience with real-time, event More ❯

Select how often (in days) to receive an alert: Oxford Nanoscience is currently seeking an experienced Principal Software Engineer . This is a key role that combines innovation with responsibility, as you contribute to both new development projects and the ongoing evolution of our existing product range. You'll be working on highly complex, high-value scientific systems … design reviews and design for manufacture processes. Support commissioning and troubleshooting activities during system installation and operational phases. About You We are looking for a dynamic and experienced software engineer who thrives in a fast-paced, multidisciplinary environment. Essential Qualifications and Experience Strong software development experience in modern C++ and Python . Solid experience working in a Linux environment. More ❯

Vicinity Technologies Limited, a dynamic leader in the UK's 5G and AI revolution, is seeking talented Senior/Principal Wireless Software Engineers to join our team of innovators. As a key contributor, you will play an integral role in developing cutting-edge 5G, 6G and Non-terrestrial Network (NTN) solutions which are transforming the way we connect and More ❯

Nixor have partnered with a scaling software development business who are seeking an experienced Principal AI/ML Engineer to join its international team, contributing to a state of the art AI-driven Sales Planning product. This is a senior, hands-on role focused on classical machine learning, production-grade infrastructure, and technical leadership. The Role: The Principal AI/ML Engineer will lead the design and development of scalable AI/ML solutions, driving predictive insights and automation within enterprise sales. They will play a key role in building and optimizing ML pipelines, backend systems, and infrastructure, while working closely with cross-functional teams around the globe. Key Responsibilities: Architect, build, and maintain AI-powered More ❯

We are looking for a Senior/Principal Full-Stack Software Engineer to join our growing team at Clearly. This is a high-impact role where you will shape the technical foundation of our platform, influence product direction, and help us scale as a company. You’ll work closely with a cross-functional team and leadership, including the … testing, and troubleshooting. Stay ahead of industry trends and bring best practice into the team. What you’ll need 5+ years of professional experience as a JavaScript/TypeScript engineer (full-stack). Experience in a leadership role is a plus. Proven experience working in an early-stage startup environment, ideally in B2B SaaS. You know how to thrive More ❯

Overview Vicinity Technologies Limited, a dynamic leader in the UK's 5G revolution, is seeking talented Senior/Principal 5G Protocol Stack Engineers to join our team of innovators. As a key contributor, you will play an integral role in developing cutting-edge 5G, 6G, and Non-Terrestrial Network (NTN) solutions that are transforming the way we connect and More ❯

Halian is proud to partner with a pioneering medical device company based in Oxfordshire offering hybrid working, looking for a Principal Usability Engineerto take ownership of usability engineering across the full product development lifecycle, ensuring innovative implantable and surgical systems are safe, effective, and intuitive for clinical use. This is a high-impact role where youll champion user-centered More ❯

Halian is proud to partner with a pioneering medical device company based in Oxfordshire offering hybrid working, looking for a Principal Usability Engineerto take ownership of usability engineering across the full product development lifecycle, ensuring innovative implantable and surgical systems are safe, effective, and intuitive for clinical use click apply for full job details More ❯