501 to 525 of 855 Principal Engineer Jobs in the UK

Principal Software Engineer - Simulation & Autonomy

Location
Portsmouth, England, United Kingdom
technology consultancy firm in Portsmouth is seeking a Principal Software Engineer to lead the design and development of applications across various sectors, including defence and health. The ideal candidate has over 15 years of experience with expertise in C/C++, C#, and Python, alongside strong stakeholder management ...

Senior/Principal Hardware Engineer

Hiring Organisation
Defence
Location
South East, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
client is seeking a Senior/Principal Hardware Engineer to join an established defence and aerospace engineering team in Kent. This permanent, onsite role offers the opportunity to contribute to the development of safety-critical electronics and advanced technology, including helmet-mounted and head-up displays, mission computers ...

Principal Software Engineer - Industrial Cloud (Hybrid)

Location
Cambridge, England, United Kingdom
AVEVA is seeking a Principal Software Engineer in Cambridge, United Kingdom with a hybrid work model. You will maintain and enhance desktop and cloud applications within the E3D development group, designing features per Product Owner requirements and ensuring timely delivery. You will collaborate across teams to improve quality ...

Principal Electrical Engineer

Location
Risley, England, United Kingdom
part-time and flexible working hours, patterns and locations to suit you and our business. About the Opportunity Amentum are currently recruiting for a Principal Electrical Engineer to join our Energy business, which is entering an exciting phase of opportunity: supporting a key client’s UK nuclear fleet … with project delivery, you’ll know that they have lots of moving parts and complexity, which is why you’ll be working alongside our Principal Engineers, Engineering Managers and Operations Managers to enable delivery of maximum value. People are at the heart of everything we do Central ...

Principal Backend Engineer (Java) — Cloud, CI/CD & Security

Location
Glasgow, Scotland, United Kingdom
Capco in the UK is seeking a Principal Backend Engineer (Java) to lead the design and delivery of secure, scalable backend platforms for global financial clients. You will drive architecture decisions, mentor teams, and ensure cloud-native solutions using Java 11+ and Spring Boot. You’ll join Capco ...

Principal Software Engineer — AI-Driven Platform & APIs

Location
Auchentibber, Scotland, United Kingdom
JPMorganChase in the United Kingdom is seeking a Principal Software Engineer (Executive Director) to lead, design, and ship secure, scalable technology across complex data pipelines and APIs. You will influence senior stakeholders, set technical direction, and drive adoption of AI-enabled engineering workflows. This role emphasizes hands ...

Principal AWS Cloud Engineer

Location
Portsmouth, England, United Kingdom
client is a leading UK technology and engineering organisation operating at the forefront of defence, security, digital transformation and advanced research. As a Principal AWS Cloud Engineer, you will define and drive cloud strategy, architect resilient and secure AWS-based solutions, and provide technical direction across multiple engineering ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
ABOUT THE ROLE We're looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make a difference to users and organisations. We believe great ...

Principal Data Engineer: Lead Decisioning Pipelines

Location
Greater London, England, United Kingdom
GlobalLogic is seeking an experienced Principal Data Engineer to own the customer decisioning pipeline architecture, end-to-end orchestration, and production readiness. You will lead real-world targeting and eligibility rule implementations, ensure robust data quality, and oversee critical downstream activation. You will implement scalable data pipelines, review ...

Principal Software Engineer — AI‐Led Delivery Leader

Location
Greater London, England, United Kingdom
Defaqto is hiring a Principal Software Engineer in London to shape how we build software. You will lead the shift from AI-assisted coding to AI-led delivery, own high‐risk initiatives, and set engineering standards across the Technology function. The role reports to the Head of Engineering ...

Principal Data Engineer — Data Warehouse (ClickHouse)

Location
Greater London, England, United Kingdom
Engelhart in London seeks a Principal Data Engineer to own the intraday and end-of-day data serving layer between the CTRM platform and downstream consumers. You will shape architecture, standards and practices to deliver trusted, timely data across finance, risk and reporting teams. The role is hands ...

Principal Infrastructure Engineer: Scale Kubernetes & Data

Location
Greater London, England, United Kingdom
Health is seeking a Principal Infrastructure Engineer to lead the Kubernetes and data infrastructure that powers 80M+ monthly users. You will design scalable foundations, drive self-service tooling, and partner with product teams to ship securely and reliably at scale. In this hybrid role, you will guide resilience ...

Principal IT Systems Engineer

Location
Greater London, England, United Kingdom
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. ...

Principal Software Engineer, AI for Global Public Sector

Location
Greater London, England, United Kingdom
Scale AI’s Global Public Sector team is hiring a Principal Software Engineer to shape technical engagements with clients and turn ideas into working prototypes in London. You will work at the earliest stage, defining technology choices, building AI-enabled prototypes, and delivering secure, reusable solutions for public ...

Principal Hardware Engineer

Location
Dunfermline, Scotland, United Kingdom
Select how often (in days) to receive an alert: We are currently looking for a Principal Hardware Engineer to join our Research and Development team, based in Dunfermline. Working with a highly skilled and innovative team you will design and develop electronic modules and systems for new retinal ...

Senior Principal Solution Engineer Sales London, United Kingdom Learn More & Apply

Location
Greater London, England, United Kingdom
# Senior Principal Solution EngineerLondon, United Kingdom | Sales### ### Strength in TrustOneTrust’s mission is to enable innovation through the responsible use of data and AI. We believe that ensuring data is trusted shouldn’t slow teams down—it should accelerate what’s possible. This led us to develop … shaping the future where trusted data becomes a transformative force for business and society.### ### The Challenge We’re looking for a Senior Principal Solutions Engineer to join our Solution Engineering team. In this role, you will lead the development and execution of OneTrust’s AI Governance ...

Remote: CRM Golden Layer Principal Data Engineer

Location
United Kingdom
Fircroft is seeking a CRM Customer Golden Layer Principal Data Engineer for a 12-month remote contract in the UK. This role centers on creating a robust customer golden layer and data models, with Databricks workflow oversight. You will design identity, consent, and transaction models, manage mappings, ensure ...

Principal Data Engineer — Cloud Data Platform Leader

Location
Greater London, England, United Kingdom
Funding Circle is hiring a Principal Data Engineer to lead the Data Platform strategy and architecture in a hybrid London setting. You will own the multi-phased roadmap, guide migrations to a Future State Platform on Snowflake and AWS, and drive the design of scalable data warehouses ...

Principal DevOps Engineer — AWS, Kubernetes & SaaS (Remote)

Location
Cambridge, England, United Kingdom
Gearset Limited is seeking a Principal DevOps Engineer to own and scale our multi-tenant SaaS infrastructure across regions using AWS, Kubernetes and Terraform. You’ll drive automation, security and reliability as part of a high-trust, fast-moving engineering culture. You’ll collaborate with developers, data engineers ...

London Hybrid Principal Platform Engineer (12-Month Contract)

Location
Greater London, England, United Kingdom
Medtronic Digital Technologies is seeking a Principal Platform Engineer for a 12-month fixed-term contract in London, with a hybrid work arrangement requiring 2-3 days on-site per week. The role focuses on building and maintaining critical software engineering tools and IaC-driven infrastructure to improve ...

Principal Java Engineer - Distributed Systems, Serverless - Elasticsearch

Location
United Kingdom
search, security, and observability help organizations deliver on the promise of AI. What is The Role: We are on the lookout for a Principal Software Engineer to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience, especially in the context ...

Principal Java Engineer - Distributed Systems, Serverless - Elasticsearch

Location
Greater London, England, United Kingdom
search, security, and observability help organizations deliver on the promise of AI. What Is The Role: We are on the lookout for a Principal Software Engineer to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience, especially in the context ...

Founding Principal AI Engineer, Innovation Architect

Location
Greater London, England, United Kingdom
Pearson is seeking a Principal Software Engineer, AI Innovation, to lead the design and delivery of advanced AI solutions within an innovation-focused team. You will collaborate with partners and product leaders to assess feasibility, shape architecture, and drive delivery for high-impact, early-stage projects. You will ...

Principal Systems Integration Engineer

Location
Southampton, England, United Kingdom
Description: Leonardo has an opportunity for a Principal Naval Platform Integration Engineer based at our Southampton site in the Land and Naval Communications Team. Your Impact The Naval Platforms Integration Engineer is responsible for the successful integration, verification, and acceptance of complex mission systems, sensors, communications, combat … systems, and supporting equipment onto naval platforms. The engineer will work closely with multidisciplinary engineering teams, shipbuilders, equipment suppliers, customers, and end users throughout the system lifecycle, from concept and design through installation, testing, commissioning, and in-service support. The role requires a candidate who has a collaborative ...

Principal Software Engineer - Remote, AI-Driven Impact

Location
Belfast City District, Northern Ireland, United Kingdom
Group in Northern Ireland is establishing a new engineering presence and seeks a Principal Software Engineer who enjoys building software, solving complex problems, and leveraging modern AI tools to improve workflows. This senior Individual Contributor role offers genuine ownership, technical autonomy and a chance to shape a growing ...