26 to 50 of 601 Permanent Principal Engineer Jobs

and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We’re looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a technical leader who still enjoys … writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at-least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional … cross-functional teams to align technical solutions with business needs Research and implement AI-driven development tools to boost productivity What we’re looking for Proven experience as a Principal Engineer/Lead Engineer/Software Architect Proven hands-on coding experience with .NET, SQL Server, MongoDB, Angular/NextJS, AWS, and streaming technologies Strong experience in More ❯

Principal Engineer - OS Maps Application (Fulltime) - Salary - £74,781 to £87,244 (dependent on experience) - Hybrid working Join us and you'll have an opportunity to make an impact and be part of an organisation committed to driving sustainable outcomes. At OS, we use location data and intelligence to help customers build more resilient societies, preserve the environment … rating across IOS and Android of 4.7, and the 3rd globally by revenue generation . About the role We are seeking a highly experienced and commercially adept Full-Stack Principal Engineer to lead the delivery of our web estate, mobile applications (iOS and Android), and backend API platform. The ideal candidate will have extensive expertise in application development … requirements and work with both onshore product team and predominantly offshore agile development team to develop the appropriate software development components for our current and future growth strategy. The Principal Application Engineer plays a critical role in providing organisational, and domain technical leadership, and strategic direction in their chosen field. You will be expected to work closely with More ❯

Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Principal Systems Engineer Location: Swindon, GB, SN13 9NR Bristol, GB, BS3 2HQ Onsite or Hybrid: Hybrid Job Title: Principal Systems Engineer Location: Bristol or Corsham + Hybrid Working Arrangements Compensation: Competitive Salary + Benefits Role Type: Full time … Permanent Role ID: SF65782 At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Systems Engineer at our Bristol or Corsham sites. The role As a Principal Systems Engineer, you'll have a role that's out of the ordinary. … full time part time, 37 hours per week and provides hybrid working arrangements with up to 2 days per week in the office/onsite. Essential experience of the Principal Systems Engineer Experience in a technical discipline who has the confidence to work collaboratively within a multi-disciplinary team with drive to think with a systems perspective. Be More ❯

minutes. Click OK to reset the timer to 0 minutes. You have been signed out. This service is set to sign out after 0 minutes of inactivity. Job Description - Principal Engineer - Mechanical Engineering (Platform Systems) () Job Description Principal Engineer - Mechanical Engineering (Platform Systems) - Description Job title: Principal Mechanical Platform Systems Engineer - Components Location: Barrow … components, such as heat exchangers, pumps, diesel generators, hydraulic systems, and compressors Bachelor's or Master's degree (BEng/MEng or equivalent) in a relevant STEM discipline Chartered Engineer (CEng) status or working towards chartered status with a recognised professional engineering institution As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive … wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Components Team: As the Principal Mechanical Platform Systems Engineer, you will be joining a dynamic Components Team with BAE Systems, where you will play a key role in delivering cutting edge mechanical products More ❯

minutes. Click OK to reset the timer to 0 minutes. You have been signed out. This service is set to sign out after 0 minutes of inactivity. Job Description - Principal Engineer - Mechanical Engineering (Platform Systems) () Job Description Principal Engineer - Mechanical Engineering (Platform Systems) - Description Job title: Principal Mechanical Platform Systems Engineer - Components Location: Barrow … components, such as heat exchangers, pumps, diesel generators, hydraulic systems, and compressors Bachelor's or Master's degree (BEng/MEng or equivalent) in a relevant STEM discipline Chartered Engineer (CEng) status or working towards chartered status with a recognised professional engineering institution As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive … wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Components Team: As the Principal Mechanical Platform Systems Engineer, you will be joining a dynamic Components Team with BAE Systems, where you will play a key role in delivering cutting edge mechanical products More ❯

minutes. Click OK to reset the timer to 0 minutes. You have been signed out. This service is set to sign out after 0 minutes of inactivity. Job Description - Principal Engineer - Mechanical Engineering (Platform Systems) () Job Description Principal Engineer - Mechanical Engineering (Platform Systems) - Description Job title: Principal Mechanical Platform Systems Engineer - Components Location: Barrow … components, such as heat exchangers, pumps, diesel generators, hydraulic systems, and compressors Bachelor's or Master's degree (BEng/MEng or equivalent) in a relevant STEM discipline Chartered Engineer (CEng) status or working towards chartered status with a recognised professional engineering institution As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive … wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Components Team: As the Principal Mechanical Platform Systems Engineer, you will be joining a dynamic Components Team with BAE Systems, where you will play a key role in delivering cutting edge mechanical products More ❯

Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Principal Systems Engineer Location: Warrington, GB, WA3 6YD Onsite or Hybrid: Hybrid Job Title: Principal Systems Engineer Location: Bristol, Warrington, Newbury or Leicester - Hybrid Working Arrangement Compensation: Competitive + Benefits Role Type: Full time/Permanent Role ID … SF65258 At Cavendish Nuclear we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Systems Engineer at our one of our Cavendish Nuclear Hubs. The role As a Principal Systems Engineer, you'll have a role that's out of the ordinary. … Integro Technical Oversight Team This role is full time, 37 hours per week and provides hybrid working arrangements at one of our Cavendish Nuclear Hubs. Essential experience of the Principal Systems Engineer Leadership of systems engineering delivery across multi-package, complex programmes Strong background in safety-critical or regulated environments (e.g. defence, nuclear) Experienced in requirements management, V More ❯

Principal Systems Engineer The Role: As a Principal Systems Engineer at Synoptix you will be helping guide the scope and direction of the engineering projects you are working on. As an agile business in the true sense the principal engineer will be given the relative freedom to take ownership at the strategic level of More ❯

Principal RF Engineer As the selected Principal RF Engineer , your role will be split between designing RF systems at component level, and providing technical leadership for the development of projects. The right candidate will have a solid background in RF design, experience of taking a leading role on engineering projects and be an excellent communicator. The … role is an 80/20 split in favour of design to leadership. Responsibilities for the role of Principal RF Engineer will include: Designing and developing RF systems at the component level. Conducting performance tests and optimizations to meet specified performance criteria. Leading integration and prototyping efforts to ensure seamless integration of sub-systems with larger systems or … support on technical issues. Engage in project management activities, such as updating project timelines, managing resources, and communicating with stakeholders to ensure project milestones are met. As the selected Principal RF Engineer, your experience will include: RF electronics design background. Strong ability to demonstrate technical leadership within a product development environment. Experience of specifying technical requirements and taking More ❯

Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Principal Systems Engineer Location: Devonport, Plymouth, GB, PL2 2BG Onsite or Hybrid: Hybrid Job Title: Principal Systems Engineer Location: Stoke Gifford, Bristol or Plymouth, Devon + Hybrid Working Arrangements Compensation: £59,110.00 + Benefits Role Type: Full time … Permanent Role ID: SF63238 At Babcock we're working to create a safe and secure world, together, and if you join us, you can play your part as a Principal Systems Engineer at our Babcock Technology Centre or Devonport Royal Dockyard site. The role As a Principal Systems Engineer, you'll have a role that's … full time, 35 hours per week and provides hybrid working arrangements with 2 days in the office/onsite and 3 days working from home. Essential experience of the Principal Systems Engineer Relevant experience in support and cost modelling techniques in a defence and/or services environment A good understanding of MoD contracts and support policies Awareness More ❯

Principal Systems Engineer The Role: As a Principal Systems Engineer at Synoptix you will be helping guide the scope and direction of the engineering projects you are working on. As an agile business in the true sense the principal engineer will be given the relative freedom to take ownership at the strategic level of More ❯

and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a technical leader who still enjoys … writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at-least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and AI-powered engineering Owning non-functional … cross-functional teams to align technical solutions with business needs Research and implement AI-driven development tools to boost productivity What we're looking for Proven experience as a Principal Engineer/Lead Engineer/Software Architect Proven hands-on coding experience with .NET, SQL Server, MongoDB, Angular/NextJS, AWS, and streaming technologies Strong experience in More ❯

Job Description - Principal Combat Systems Engineer () Principal Combat Systems Engineer - Job title: Principal Combat Systems Engineer Location: Portsmouth Broad Oak. We offer a range of hybrid and flexible working arrangements. Please speak to your recruiter about the options for this particular role Salary: £52,000+ depending on skills and experience What you'll be … employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Warship Technical Authority Combat Systems team: We are seeking a highly skilled Principal Combat System Engineer to join our team. The ideal candidate will possess an extensive and detailed knowledge of the Mine Hunting System Acoustic 3 (MHSA3) for MCMVs and … role involves generating comprehensive test and acceptance criteria, ensuring that the required level of overall system performance is maintained with the introduction of new WE equipment and modifications. The Principal Combat System Engineer will also serve as the Subject Matter Expert (SME) for the Integrated Support Trials and Analysis Package (IS-TRAP) program and will have the expertise More ❯

Press Tab to Move to Skip to Content Link Job Title: Principal Software Engineer - Security Engineer Job Reference: Band: BAND D Salary: £80,000-£90,000k depending on relevant skills, knowledge and experience. The expected salary range for this role reflects internal benchmarking and external market insights. Contract type: Permanent role Location: This is a hybrid role … makes secure, high-velocity delivery possible. We build shared cloud platforms, developer tooling and guardrails that let hundreds of product teams ship confidently and sustainably. We're hiring a Principal Software Engineer - Security Engineer to help us embed secure-by-design thinking across the BBC. You'll work hands-on with engineering teams, applying InfoSec-led policies … security teams, enable secure engineering at scale, and support adoption of policies across delivery teams. No prep required beyond a few examples of your work. Main Responsibilities As a Principal Software Engineer - Security Engineer, you'll work hands-on with product and platform teams across the BBC to embed secure engineering practices that align with InfoSec direction More ❯

Senior/Principal Software Engineer (PHP, MySQL, and AWS) Join to apply for the Senior/Principal Software Engineer (PHP, MySQL, and AWS) role at Arrive Senior/Principal Software Engineer (PHP, MySQL, and AWS) Join to apply for the Senior/Principal Software Engineer (PHP, MySQL, and AWS) role at Arrive … local, pre-release and production environments running on AWS. We operate a DevOps culture and are responsible for developing, deploying, operating and monitoring our teams deliverables. As the senior engineer in the team, you will set the technical standard for the team; offering mentoring and support to your team-mates. Requirements Highly skilled and proficient coding in PHP, with … Job function Job function Engineering and Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Arrive by 2x Get notified about new Senior Principal Software Engineer jobs in London, England, United Kingdom . London, England, United Kingdom 3 days ago London, England, United Kingdom 95,000.00-120,000.00 1 month ago Senior More ❯

Principal Software Engineer London - Hybrid (2 days per week in the office) Up to £115,000 + 15% Bonus + Benefits Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Principal Software Engineer to drive innovation and drive forward greenfield functionality as … the company dives into AI. The role: As a Principal Engineer, you will take charge of a newly launched greenfield project, leading its technical development from the ground up. This is a rare opportunity to create a modern, scalable system using the latest technology. Your role will involve defining the architecture, making crucial technical decisions, and supporting multiple More ❯

Principal Software Engineer London - Hybrid (2 days per week in the office) Up to £115,000 + 15% Bonus + Benefits Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Principal Software Engineer to drive innovation and drive forward greenfield functionality as … the company dives into AI. The role: As a Principal Engineer, you will take charge of a newly launched greenfield project, leading its technical development from the ground up. This is a rare opportunity to create a modern, scalable system using the latest technology. Your role will involve defining the architecture, making crucial technical decisions, and supporting multiple More ❯

Principal Engineer - Offers Team Hybrid in London/Remote within the UK We're hiring a Principal Engineer Lead the evolution of our offers generating systems and associated architecture. You'll build and improve critical systems, shape iwoca's technical vision, and collaborate with cross-functional teams to deliver innovative, data-driven solutions. The company Imagine … to iwoca's future growth. Technical autonomy: Re-architect the team's code to meet an ambitious set of ever-changing challenges, though you'll need to collaborate with principal engineers in other teams to design and deliver a coherent system as the system evolves to meet our long-term goals. Conceive projects for the team to continuously improve More ❯

Principal Engineer - Repeats Team Hybrid in London/Remote within the UK We're hiring a Principal Engineer Lead the evolution of our decision-making and offers-generating systems and architecture. You'll build and improve critical systems, shape iwoca's technical vision, and collaborate with cross-functional teams to deliver innovative, data-driven solutions. The … to iwoca's future growth. Technical autonomy: Re-architect the team's code to meet an ambitious set of ever-changing challenges, though you'll need to collaborate with principal engineers in other teams to design and deliver a coherent system as the system evolves to meet our long-term goals. Conceive projects for the team to continuously improve More ❯

Principal Engineer – Epitaxial Process Development (InP) Location : Onsite – Ipswich, UK We are looking for a dynamic and forward-thinking Principal Engineer to join a cutting-edge R&D team in Ipswich. This is a unique opportunity to play a key role in the advancement of epitaxial growth technologies focused on Indium Phosphide (InP) for next-generation More ❯

PRINCIPAL DATA ENGINEER LONDON £107,000 THE COMPANY This consumer-tech powerhouse brings together several market-leading ecommerce brands, serving over 10 million customers across Europe. Now in an exciting phase of growth and innovation, this company is investing heavily in its data platform-giving this role a direct impact on shaping the future of how data empowers … product, marketing, and operations at scale. THE ROLE As a Principal Data Engineer , you will play a pivotal role in designing and building a world-class, self-serve data platform. You'll be the technical owner within your team while collaborating across the wider data and ML landscape to drive architectural best practices, data quality, and scalability. Specifically … modern Driving platform-level improvements with a focus on data usability, governance, and long-term sustainability Implementing robust engineering and software best practices across the data lifecycle Collaborating with Principal ML Engineers, Product Managers, and Engineering Directors to solve high-impact business problems Championing data platform evolution from fragmented legacy systems to streamlined, scalable infrastructure SKILLS AND EXPERIENCE The More ❯

Principal Data Engineer (Python AWS) London/WFH to £120k Do you have significant experience with Python data engineering and architecture? You could be progressing your career in an impactful, hands-on Principal Data Engineer role at a hugely successful European eCommerce with a customer base of over 10 million. As a Principal Data Engineer … data governance You have experience with AWS and tools such as Snowflake You're collaborative and pragmatic with excellent communication skills What's in it for you: As a Principal Data Engineer you will earn a competitive package including: Salary to £120k Pension Life Assurance Health, dental and eye care Employee Assistance Programme Summer hours Work anywhere for … weeks a year Perks such as retail discounts, onsite gym, wellbeing resources and much more Apply now to find out more about this Principal Data Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all More ❯

Job Description - Principal Signal Processing Engineer () Principal Signal Processing Engineer - Job title: Principal Signal Processing Engineer Location: Cowes, Isle of Wight or Broad Oak Salary: Up to £75,900 depending on skills and experience. Part time & accruing hours available' Please let us know if you would like to discuss these options. Put yourself into … a dynamic Principal Signal Processing Engineer role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribution to our strategy for new technology. Your new day-to-day will be exciting and More ❯

About the role You will be part of a cross-functional teams of talented developers working together to create the best Sportsbetting experience in the world! As a Principal Engineer you work across teams within a Pricing area, contributing to the teams' backlogs and taking on larger initiatives with other Principal Engineers. The Principal Engineer More ❯

Job Description - Naval Radar Principal Systems Engineer () Naval Radar Principal Systems Engineer - Job Title: Naval Radar Principal Systems Engineer Location: Isle of Wight - Cowes Salary: Up to £70,600 commensurate with skills and experience. Part time & accruing hours available Put yourself into a dynamic Principal Systems Engineering role at the forefront of real … green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Radar Systems Engineering team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new radar products to address emerging More ❯