376 to 400 of 813 Principal Engineer Jobs in the UK

Matillion, the company behind Maia, the AI Data Automation platform, started in Manchester and now global, is seeking a Principal Engineer for the Maia AI team. You will design agentic AI systems, use evals to validate performance as models evolve, and build new tools and integrations. ...

universe bigger than ourselves. And we’re looking for people who want to be part of it. About the role As a Principal Engineer on our Maia AI team, you'll be at the heart of everything we do: designing agentic AI systems, leveraging evals to continually validate ...

have within the community. Salary: £80,200 - £120,400 The Opportunity This is more than just a job; it’s a mission. As a Principal Software Engineer, you will play a pivotal role in designing, developing, and maintaining the critical infrastructure that powers our services. You will work … meet customer needs. “My purpose is to lead a team of engineers, rise to the challenges presented, push the boundaries and define possible together.” – Principal Software Manager, Northrop Grumman UK What You’ll Do Take ownership of multiple teams’ deliverables and work with technical leads to define a path ...

Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury + Hybrid Working Type: Full Time, Permanent Salary: Competitive + Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across the UK. … mitigate risk Mentor and support other safety case engineers and promote best practice What You'll Need: Degree in engineering (or equivalent) Chartered Engineer (or working towards) Broad experience in safety case development across multiple project types Strong communication and stakeholder engagement skills Experience mentoring or leading technical teams ...

Overview We are looking for a Principal Software Engineer to join a small, highly experienced Epicor Labs team that transforms innovative AI concepts into enterprise‐grade products trusted by enterprise customers. This hands‐on engineering role involves designing and building AI capabilities across Epicor’s ERP portfolio. Responsibilities … probabilistic design considerations. Raise the technical bar through architectural reviews, mentoring engineers at all levels, and turning good judgment into standards and automation. Qualifications Principal‐level engineering depth in C#/.NET and/or Python, with Azure preferred. Strong record of designing and shipping production services. Production TypeScript ...

hiring a Principal Machine Learning Engineer to work oncutting-edgeR&D and translating research into customer-centric solutions. As innovators in speech technology, our mission is to Understand Every Voice—a vision that has propelled us to be world leaders of Voice AI. Fuelled by innovation, inclusivity … passion for making a global impact through world-leading Speech AI,we'relooking for an experienced Principal Machine Learning Engineer to accelerate our efforts towards exceptional speech solutions. Our Modelling Team trains diverse models, including large self-supervised ones, supportingSpeechmaticstowards being the mostaccuratespeech recognition system globally. It also ...

Principal Software Engineer, £650/day (Outside IR35) Opportunity for a Principal Software Engineerto work for a retail company at thebeginning of a large digital transformation on an initial 6-month contract outside IR35. You’d report to the Head of Engineering and would work as part … team of Principal Software Engineers responsible for collaborating with Architects and Product Owners to lead the re-architecture of existing platforms to a cloud-native, event-driven, microservices architecture. Whilst there is no line management, you’d have full technical overview for your product domain including technology vision, strategy ...

looking for a Principal Software Engineer – Autonomy to lead the development of advanced autonomous capabilities across our fleet of Kraken autonomous vehicles. This is a senior, hands‐on technical role at the heart of cutting‐edge R&D, covering vessel guidance, mission frameworks, autonomous behaviours, obstacle avoidance ...

technology solutions that support industry‐recognised certifications and help transform buildings into smart environments. About the Role We are seeking a BMS Principal Engineer to join our newly formed BMS Specialist Department. The role will involve providing expert advice, design support and technical consultancy across building management systems ...

Description Salary Range: £54,000 – £70,000 Principal Software Engineer – Test Environments (GCAP) Your Impact Can you develop Test Environments for a complex aerospace programme, from strategy through to implementation? Would you like a once-in-a-generation opportunity to play a key role in a defence programme ...

SSEN Transmission in Scotland seeks a Lead Principal Engineer – HVDC Plant to shape HVDC engineering across major offshore projects. You will provide technical leadership to develop, standardise and improve HVDC systems, align with SSEN standards and regulatory requirements, and drive delivery across multi-project portfolio. The role requires … Chartered Engineer or equivalent, strong leadership and communication skills, and a track record of delivering complex HVDC converter projects while #J-18808-Ljbffr ...

curiosity, dedication, and innovation that drive our success and help us anticipate the future. Position Summary Onfido, an Entrust company, is seeking a Principal Solutions Engineer to take technical ownership of a portfolio of EMEA Strategic Accounts and to act as the technical focal point … find difficult. This is a hands on, customer facing role that blends problem solving, technical design, deep product knowledge and strong communication. As a Principal you will also mentor Solutions Engineers at all levels globally, influence our product roadmap for your market segments, and help shape the long term ...

AVEVA in Cambridge, UK, is seeking a Principal Cloud Software Engineer to lead the design and delivery of AVEVA CONNECT Core Services on Microsoft Azure. You will steer architecture, guide engineering directions, and mentor teams, while hands-on contributing to secure, scalable cloud platform solutions. You will collaborate ...

Principal Functional Safety & Cyber Security Engineer UK| Hybrid & flexible working Birmingham £75,000 In a nutshell, you're there to make sure the product being designed is both safe and secure . Day to day, work alongside the systems, hardware and software engineers , reviewing designs and requirements … designed correctly, risks are identified early, and the finished product meets the required automotive safety and security standards. We're looking for an experienced Principal Functional Safety & Cyber Security Engineer to join a growing engineering team working on complex, safety-critical products. This is a senior, hands ...

Principle Systems Engineer BAE Systems Location: Cowes Contract Length: 6 Months Onsite Full time 37 hours per week Rate: £60.00 PAYE or £81.05 Umbrella inside IR35 Overview BAE Systems are seeking an experienced Principal Systems Engineer to join a leading defence engineering programme focused on the development ...

Principle Systems Engineer BAE Systems Location: Cowes Contract Length: 6 Months Onsite Full time 37 hours per week Rate: £60.00 PAYE or £81.05 Umbrella inside IR35 Overview BAE Systems are seeking an experienced Principal Systems Engineer to join a leading defence engineering programme focused on the development ...

with Raytheon UK to hire for this role. Date Posted: 2026-08-11 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Software Engineer Gloucester/Manchester Onsite Due to the interesting work we do and the sector this team is working in, we require ...

Matchtech is seeking a Principal Engineer - Product Security to provide senior technical leadership across Information Assurance and Product Security within a highly regulated engineering programme. The role is delivery-focused, supporting design maturity, programme readiness through security governance, security case development and risk management. Location: Barrow-in-Furness ...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands-on role for an individual who combines deep technical expertise with ...

helps you realize your potential. Our team is key to our success. We’re people-first. We value collaboration, curiosity and commitment. As a Principal Software Engineer at JPMorgan Chase within the Accelerator Business in the Platform Team, you are the heart of this venture, focused on getting … improve the value realized by automation at scale. Required qualifications, capabilities, and skills Formal training or certification (e.g., BSc, CKAD, Google Associate Cloud Engineer, or AWS Certified Solutions Architect). Expert-level administration of a major cloud platform (GCP, AWS, or Azure). Mastery of Kubernetes administration and operator ...

fastest-growing engineering businesses. Department: Engineering Location: Bristol, UK Compensation: £72,000 - £95,000/year About the role We’re looking for a Principal Systems Engineer to lead the design and integration of complex systems across our programmes. You’ll own major elements of a system - defining … services, or automotive industries Designing, deploying and supporting solutions to/at the far-edge in denied, disrupted, intermittent or lossy communication environments Chartered Engineer status About you Pragmatism: You will adopt a decisive, precise and pragmatic approach to both delivery and the development of systems capability, effectively considering ...

that makes you unique is welcome; join us and let's build what's next - together! We are seeking a versatile and highly skilled Principal Software Engineer who can work seamlessly across our frontend and backend services—from designing highly performant, intuitive modern user interfaces to building robust … roadmaps. Qualifications Experience: Extensive professional software engineering experience, with a proven track record of delivering complex, high‐quality technical projects in a senior or principal role. AI & Agentic Production Exposure: Deep hands‐on experience designing, deploying, and scaling agentic AI workflows, tool integrations, and GenAI features in production environments. ...

driven workflows, trusted data, and seamless collaboration, to deliver the insight and context needed for confident, competitive decision-making. The Opportunity As a Principal Site Reliability Engineer at Veson Nautical, you will design, build, monitor, and support the cloud infrastructure that underpins our rapidly growing SaaS platform. This … United Kingdom. This is a senior individual contributor role without direct reports, but with real leadership expectations. If you are the kind of engineer who measures success partly by what your teammates can do without you, this role will suit you. This position is based in London ...

innovative Systems Engineer who thrives in a dynamic working environment? We’re supporting a leading defence technology organisation that is expanding its programme portfolio and investing in Systems Engineering capability. As a Principal Systems Engineer, you’ll play a key role in delivering complex, high-integrity systems … Systems Engineering best practice aligned to the V-model/ISO standards Collaborate across multidisciplinary teams (software, hardware, firmware) Provide technical leadership and direction (Principal level) Skills & Experience Strong experience across the Systems Engineering lifecycle Background in complex or regulated environments (defence, aerospace, etc.) Experience with tools such ...

Principal Functional Safety and Cyber Security Engineer UK Vacancy listed 04/06/2026 Role Purpose Deliver Functional Safety and Cyber Security functions, working cross-domain (Systems, HW, SW) to ensure development of product aligns with company’s and customers functional safety and cyber security processes. Participate ...