251 to 275 of 619 Principal Engineer Jobs in the UK

Principal Network Engineer - ISP Permanent | £80,000pa - £90,000pa + Benefits | London HQ - Hybrid Role - 2 Days per Week at HQ Location is London. Candidates located across the UK Midlands, London and South East UK will be considered, provided they can attend the London HQ two days … week. The Opportunity: Surfing a wave of success in 2026, my client is offering an experienced Principal Network Engineer this exciting opportunity to lead the architecture, design, delivery and optimisation of large-scale carrier-grade networks. You will act as the Senior Technical Authority across Network Infrastructure Projects ...

Principal Network Engineer - ISP Permanent | £80,000pa - £90,000pa + Benefits | London HQ - Hybrid Role - 2 Days per Week at HQ Location is London. Candidates located across the UK Midlands, London and South East UK will be considered, provided they can attend the London HQ two days … week. The Opportunity: Surfing a wave of success in 2026, my client is offering an experienced Principal Network Engineer this exciting opportunity to lead the architecture, design, delivery and optimisation of large-scale carrier-grade networks. You will act as the Senior Technical Authority across Network Infrastructure Projects ...

United States Digital Space LLC is seeking a Principal Software Engineer (Azure and Integration) to lead the Field Platform team in a UK-based hybrid role. You will provide architectural vision, engineering standards and technical leadership to evolve a secure, scalable Azure-based ecosystem across multiple product suites. ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced embedded systems. This … aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you re a senior embedded engineer looking to influence architecture, lead delivery, and work on complex real-time systems, we want to hear from you! About the Role Define ...

Title: Principal Embedded Software Engineer Location: North West & Yorkshire Offices Salary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced embedded systems. This … aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control environments. If you’re a senior embedded engineer looking to influence architecture, lead delivery, and work on complex real-time systems, we want to hear from you! About the Role Define ...

Type: Permanent Location: London Position: Principal Platform Security Engineer Role Overview The Principal Platform Security Engineer is a senior leader within the London Platform Engineering Chapter. The role sets direction and leads by example in maturing platform security practices, guiding Innovation squads and Engineering Chapters toward ...

Anaplan Inc is seeking a Sr. Principal Engineer to join our team in Manchester, UK. The successful candidate will lead the design and delivery of platform capabilities, including the architecture of API gateways and backend engines. The ideal candidate will have extensive experience in Java/Kotlin ...

Description: Leonardo has an exciting opportunity for a Senior or Principal Systems Engineer to work on real engineering problems, designing and developing our system of systems solutions. You will have the skills and competencies to fulfil the role of Senior or Principal Systems Engineer on major ...

Description: Leonardo has an exciting opportunity for a Senior or Principal Systems Engineer to work on real engineering problems, designing and developing our system of systems solutions. You will have the skills and competencies to fulfil the role of Senior or Principal Systems Engineer on major ...

join a company at the forefront of defence technology, where innovation and excellence are at the heart of everything they do. As a Principal Systems Engineer, you'll be working on groundbreaking projects that redefine the future of defence, contributing to the development of advanced systems that ensure … Demonstrable experience in hardware, software, or firmware development, particularly in embedded environments. - Leadership experience, managing and coaching teams to achieve project goals. As a Principal Systems Engineer, you'll play a pivotal role in shaping the company's innovative solutions, ensuring they meet the stringent requirements of their ...

United States Digital Space LLC in Luton is looking for a Principal Software Engineer to lead and uphold engineering standards across its eCommerce Platform Delivery team. You will own the technical vision, align strategies with business objectives, and drive high performance in software development. The role calls ...

Senior/Principal DevOps Engineer Application Deadline: 30 June 2026 Department: Platform Engineering Employment Type: Permanent Location: Cheltenham (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also requires: applicants ...

Senior/Principal DevOps Engineer Application Deadline: 31 May 2026 Department: Platform Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £70,000 - £100,000/year Description Please note: This role requires applicants to hold active, or recently active, SC or DV clearance. This role also requires applicants ...

seeks a Principal AI Engineer to lead the design, development, and delivery of intelligent software systems that bring together enterprise application architecture, full-stack engineering, data science, and machine learning. In this highly visible, hands‐on leadership role, you will build and scale production‐grade platforms ...

Associates is seeking a Principal Product Engineer to elevate engineering standards and shape how modern software is built across the business. You will provide technical direction, mentor two product squads, and drive cloud-native modernization efforts with a strong emphasis on architecture and DevOps. In this hybrid role ...

Falcon Smart IT Limited in London is seeking a Principal Software Engineer to lead maturing our Microsoft Power Platform solutions. You will architect, implement, and scale Model-driven and Canvas Apps, Power Automate flows, and Dataverse, while integrating with Azure Functions and Logic Apps. In this hybrid role ...

ICAP is seeking a Principal Software Engineer to own architecture and hands-on delivery of a desktop platform that automates trading desk workflows. You will drive high-performance, low-latency services and mentor a global team, including offshore partners, in a greenfield environment. Lead with architectural rigor, implement ...

Dounreay is seeking a Principal Engineer to lead the Infrastructure Programme Engineering team. You will act as the primary technical authority, safeguarding engineering integrity and ensuring safe, compliant plant operations throughout lifecycle. You will drive engineering governance, set strategies, and oversee modifications, upgrades, and day-to-day activities ...

Intact in London is seeking a Principal Software Engineer for the Microsoft Power Platform to lead delivery of enterprise applications. Hybrid role requires four days in the office and strong collaboration with cross-functional teams. You will drive architectural discussions, establish best practices, and mentor engineers while delivering ...

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

more secure world. Join us and help shape the future of aerospace and defence. Raytheon UK have a full time, permanent opportunity for a Principal Test Development Engineer to join our team on our Glenrothes and Livingston sites. Our Principal Test Development Engineer role … Additionally, we expect this team to have significant growth in the near future and there will be future opportunities to develop your career. As Principal Test Development Engineer, you will be responsible for the design, manufacture, verification and validation, along with through life technical support of board level ...

Title: Principal Systems Engineer Location: Frimley, Hybrid, 3 days on site weekly We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: £47,241+ (Commensurate with skills and experience) Who we are: Join BAE Systems … background in operations You'll have the ability to take the lead on technical matters and provide expert guidance You'll have Chartered Engineer status or be working towards it You'll have familiarity with DOORS and prior hands-on experience using it You'll have proven experience ...

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 - Applied AI ML Director at the company within the Accelerator Business, you are the heart of this venture, focused on getting ...

United States Digital Space LLC is seeking an exceptional Principal Software Engineer – AI Native to lead design, development, and delivery of enterprise software platforms. This hands-on leadership role combines deep technical expertise with an AI-first mindset to accelerate delivery across the business. You will architect scalable ...

looking for a Principal Software Engineer to join the team. This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential services. You will act as a technical leader, mentoring other engineers and driving best practices across the development lifecycle. ...