351 to 375 of 618 Principal Engineer Jobs in the UK

Expleo is seeking a Principal Systems Engineer to support a Counter-Uncrewed Aircraft System programme in an MOD delivery environment. The role provides technical leadership across requirements, test and evaluation, safety artefacts and airworthiness considerations. Based on-site, you will work alongside customer engineering and assurance teams ...

Raytheon UK have a full time, perm opportunity for a Principal Software Engineerto join our specialist teams working onsite at our Manchester and Gloucester sites. You'llbe part of our experienced software dev function, working in a cross-functional team,deliveringand deploying critical software across a variety of programmes. ...

Raytheon UK is seeking a Principal Software Engineer for our Manchester or Gloucester sites in a hybrid pattern. You can focus on technical work or mix with people management, guiding junior engineers in a cross-functional team delivering critical software across multiple business areas. Role requires SC clearance ...

Elastic is seeking a Principal Software Engineer focused on Search Scaling in London, United Kingdom. This role involves leading and contributing to the evolution of Elasticsearch, enhancing search and indexing capabilities. The ideal candidate will have significant experience in distributed systems and sophisticated search platforms. They will work ...

Meta is seeking a Principal Software Engineer (Leadership) to guide infrastructure teams across mobile and web platforms. You will drive technical direction, design scalable systems, and mentor engineers while collaborating with stakeholders to achieve strategic goals. You will shape multi-year roadmaps, integrate AI tools where appropriate ...

more solutions. We undertake the full engineering delivery life cycle across all projects. We have an exciting opportunity to join Siemens Mobility as a Principal Systems Engineer for our CIS business within Rail Infrastructure. This position will be performing the role of Engineering DevOps sat across all Engineering ...

think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. The role: Principal Data Engineer What you’ll do: Act as a technical leader for data engineering best practice across delivery teams Lead the design, build ...

think big and bring your ambition to work every day, which is why, at British Airways the sky is never the limit. The role: Principal Data Engineer (14 Month FTC) You'll be part of the Operations Delivery Intelligence (ODI) directorate, acting as a technical leader for data ...

Identity’s OneLogin team seeks a Principal Software Engineer to own architecture and evolution of identity workflow systems at scale. This hands‐on role covers system design, debugging complex cross‐service workflows, and mentoring engineers in distributed systems across provisioning workflows and pipelines. You will drive reliability, observability ...

Principle Software Engineer Department: Systems Employment Type: Permanent Location: Gamston Airport, Retford Reporting To: Jez Staples Description DEA Aviation is the UK-based lead operational company within the wider DEA Group. As part of a strategic corporate structure, the Group includes European Specialised Aviation Operations (ESAO), a wholly owned … bring together complex sensor technologies and different technical standards. The result: flexible, reliable systems that perform under pressure and deliver on tight timelines. The Principal Software Engineer has responsibility for, owning both the airborne software architecture and the AWS cloud infrastructure, including regular updating ...

Summary We are recruiting for a Principal Firmware Engineer to join our PACS Innovation team at HID. This team is responsible for researching & prototyping innovative new technologies that become future products and services in security & access control offerings from HID Global. The team consists of individuals that have ...

Principal Test Development Engineer - Excellent salary package and welcome joining bonus! Frontier Resourcing are partnering with a leading defence and national security organisation developing cutting-edge aerospace technologies. This is an exciting opportunity to work at the forefront of R&D, designing and developing advanced test solutions ...

International UK Limited is seeking a Principal Software Engineer to lead complex engineering challenges shaping our products and technical direction. You will operate across the organisation—defining strategy, influencing architecture, and guiding delivery within a modern SaaS environment using .NET and Azure. You’ll champion AI-assisted development ...

JPMorgan Chase in the UK seeks a Principal Software Engineer to drive AI-enabled development for the International Consumer Bank, delivering scalable, secure software for millions of users with high availability and low latency. You will lead design efforts, collaborate with Product, Design and Compliance teams, and champion ...

## Principal/Lead Systems Engineer (Security)Applylocations: GB - Southamptontime type: Full timeposted on: Posted Todayjob requisition id: R0023947**Job Description:****Your impact**Are you a Systems Engineer who loves contributing to the UKs Defence Industry and making impactful change? Leonardo has a fantastic opportunity … Engineer to be responsible for the design and development of security related functionality required to support our next generation airborne communications system. This role will involve engaging with other areas of the project, the project security function, international partners and the customer. You will be working on real Engineering ...

leading technology firm in Greater London is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure. This role involves ownership of team deliverables, collaboration with external partners, and mentoring engineers. Candidates must have strong capabilities in backend and frontend development, design scalable systems, and familiarity ...

Principal Android Engineer – Search & Recommendations Experience Team We are looking for a technical leader who will shape the native search and discovery experiences across our global travel platforms. In this role you will architect, design, and deliver advanced Android mobile solutions that ensure scalability, performance, and maintainability. Responsibilities ...

global AI-native consultancy is seeking a Principal Software Engineer to lead engagement delivery in the Energy & Commodities Trading sector. This hands-on role combines technical excellence and domain expertise, focusing on architecting scalable AI solutions that drive trading decisions. The successful candidate will work closely with client ...

Software Careers is seeking a Principal Software Engineer in the United Kingdom to join the Elasticsearch Search Scaling team. This role requires extensive experience in search infrastructure and distributed systems, as well as hands-on skills with Elastic technologies. The successful candidate will define and drive the evolution ...

place for you. We are actively seeking passionate, collaborative, energetic, and forward‐thinking individuals to join our team.We are looking to add a Principal Hardware Engineer Ito our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing … leading‐edge electronics for satellites, spacecraft, and aerospace systems, we would like to hear from you.At the Principal level, you will be tasked with full‐stack hardware development for complex modules and hardware systems. You will have the opportunity to start at concept development and progress through detailed design ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering ...

building the bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated to delivering ...

technology is only surpassed by our commitment to empowering ouremployees around the world. The Opportunity: ECI has an exciting opportunity for an experienced Principal Systems Engineer to join our London team. In this role, you will play a pivotal role bridging strategic design and hands-on delivery. ...

JPMorgan Chase is seeking a Principal Software Engineer to lead infrastructure platforms engineering and AI practices in the UK. You design platforms and services meeting access, compliance, and governance needs while enabling scalable, secure development across teams. You will shape architecture, standards, and tooling, guide senior engineers ...