1 to 25 of 189 Principal Engineer Jobs in the UK

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that's transforming how small businesses access … finance. Backed by a strong track record and an ambitious mission, they're now looking for a Principal Engineer to lead the next phase of innovation within one of their most critical product areas. This is a strategic leadership role offering exceptional autonomy and influence. You'll head up the evolution of a high-impact platform responsible for … generating personalised credit offers - a core driver of the business's growth and customer experience. The Opportunity As Principal Engineer, you'll take ownership of the technical strategy and architecture for dynamic, data-driven systems that determine the financial products offered to new customers. This is a unique chance to define the future of adaptive credit systems, driving More ❯

Senior/Principal Engineer (Ground investigations) 4 x Locations available - County Durham, Greater Manchester/Berkshire or Lanarkshire (Scotland) Hybrid working Company - Ground Investigation Contractor Permanent role Senior/Principal Engineer - Benefits: Salary - Depends on experience - negotiable 24 days annual leave, which will be increased by 1 day for each year of service to a maximum … at home) arrangements (after completion of the probation period and subject to line manager approval) Entitlement to Holiday Buy-Back scheme 3 no wellbeing days per year Senior/Principal Engineer - The role: Oversee and manage factual reporting process within the contracts department Ensure accuracy, consistency and timely issue of reports Lead and supervise the preparation of factual … Review and validate data for accuracy and completeness Report reviewing and verification Communicate report findings to stakeholders Ensure transparency in the reporting process to generate auditable trail Senior/Principal Engineer - Requirements: Relevant degree i.e. Geology/Geotechnical Engineering Strong technical ground investigation background Chartered status (or working towards) - Fusion People are committed to promoting equal opportunities to More ❯

Principal Java Engineer £75,000 - 90,000 GBP Hybrid WORKING Location: Bristol, South West - United Kingdom Type: Permanent Role: Principal Software Engineer Salary: £75,000 - £90,000 Additional Package: Various Bonus, Extensive Benefits Package Location: Bristol, Hybrid Are you a Principal Software Engineer ready to step into a high-impact leadership role? This opportunity … Build strong relationships with stakeholders and guide teams through agile delivery processes. Ensure scalable, secure, and cost-effective solutions are delivered to meet customer requirements. Skills & Experience of a Principal Software Engineer: Strong full stack development background with expertise in Java 11+, Spring Boot, and React. Solid experience with microservices architecture and modern software practices. Strong understanding of … passport and have lived in the UK for 5+ years). If you're excited to lead a team and shape the delivery of key government solutions as a Principal Software Engineer, this role will provide both challenge and reward in equal measure. Want to hear more? Message me anytime. Linked In: Ciaran Cleland Role: Principal Software More ❯

Overview Job Description - Principal Engineer - Cyber Security () Principal Engineer - Cyber Security - Job Title: Principal Engineer - Cyber Security Location: Frimley, Bristol, Weymouth, Portsmouth. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Up to £61,500 depending on skills and experience More ❯

for all. We benefit from diversity. That said, we're far from perfect - we want to be more diverse and representative. Join us and help make that happen. Freelance Principal DevOps Engineer - £day rate (outside IR35) London Principal DevOps Engineer Join a new discovery/greenfield project Project is to build a new payments platform for … of working Experience with multiple programming languages, in web and/or mobile and multiple paradigms (e.g. declarative, functional, object oriented ) Duration 6 months (Likely to extend) Immediate Interviews Principal Software Engineer The role We're looking for a Principal Software Engineer to join our digital product delivery function. Red Badger delivers high quality digital products … using a lean delivery process and multidisciplinary, cross-functional teams. The Principal Software Engineer is a senior technical leader with deep expertise in building and operating digital products, particularly within complex client environments and multi-team projects. This role is instrumental in shaping the technical direction of client engagements and plays a key part in delivering high-quality 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 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 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 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 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 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 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 ❯

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 Software Engineer - Lead the Future of UK GovTech Innovation ?? Up to £100,000 + Premium Benefits Package ?? Remote-First | Just 1 Day Onsite Every 2 Weeks ?? SC Clearable | British Citizens Only ?? Where Technology Meets Purpose Are you ready to lead engineering efforts that directly impact national security, public services, and digital transformation across the UK? This is … more than just a job-it's a chance to build technology that matters , in a space where innovation meets mission-critical delivery. We're looking for a Principal Software Engineer to join a high-performing team at the forefront of UK GovTech. You'll architect secure, scalable platforms, mentor elite engineers, and shape technical strategy across programmes … that serve millions of citizens and protect national interests. ?? Your Mission As a Principal Engineer, you'll be a technical leader, strategic thinker, and hands-on problem solver. You'll work closely with delivery teams, stakeholders, and government partners to ensure solutions are robust, secure, and future-proof. What You'll Be Doing: ?? Architect cloud-native platforms using More ❯

Principal Software Engineer - Lead the Future of UK GovTech Innovation Up to £100,000 + Premium Benefits Package Remote-First | Just 1 Day Onsite Every 2 Weeks SC Clearable | British Citizens Only Where Technology Meets Purpose Are you ready to lead engineering efforts that directly impact national security, public services, and digital transformation across the UK? This is … more than just a job-it's a chance to build technology that matters , in a space where innovation meets mission-critical delivery. We're looking for a Principal Software Engineer to join a high-performing team at the forefront of UK GovTech. You'll architect secure, scalable platforms, mentor elite engineers, and shape technical strategy across programmes … that serve millions of citizens and protect national interests. Your Mission As a Principal Engineer, you'll be a technical leader, strategic thinker, and hands-on problem solver. You'll work closely with delivery teams, stakeholders, and government partners to ensure solutions are robust, secure, and future-proof. What You'll Be Doing: Architect cloud-native platforms using More ❯

Principal Hardware Engineer | Marine | AUV | Robotics | Harwell – Hybrid | £65,000pa - £70,000pa plus share scheme & benefits: A once in a lifetime opportunity has arisen for a passionate Principal Hardware Engineer to join a stealth robotics company based in the Oxfordshire area. This amazing business and AUV submersible robot have massive potential across a range of different … industry sectors. The Principal Hardware Engineer will lead in the design, integration, and testing of advanced hardware systems for autonomous underwater vehicles (AUVs) and remotely operated vehicles (ROVs). In this role, you will be responsible for developing mission-critical electronics and system architectures that operate reliably in challenging marine environments. If you’re passionate about robotics within … the maritime industry and the autonomous vehicle and unmanned vehicle industry, you honestly need to make contact with us, this Principal Hardware Engineer role is not to be missed. Candidates must be British Citizens or have lived in the UK for a minimum of 5 years, due to needing SC clearance. Key Responsibilities: Lead the architecture and development More ❯

Principal DevOps Engineer Active SC Required £727 Inside for 6 months Remote - London office Sanderson Government and Defence are supporting a government supplier in their search for a Principal DevOps Engineer on a contract basis. This role will be on a fully remote basis. Requirements are as follows: Proven experience at Lead/Principal Engineer 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 Software Engineer/Architect (C# .Net AWS) Remote/Bristol to £100k Are you a highly technical Principal Software Engineer with strong architecture and design skills? You could be progressing your career at a financial services tech consultancy that specialise in solutions for Pensions and Investment Managers. As a Principal Software Engineer/… collaborative with great communication skills and experience of coaching and mentoring You're comfortable working as part of a leadership team What's in it for you: As a Principal Software Engineer/Architect you will earn a competitive package: Salary to £100k 25 days holiday plus an extra day off for your birthday and additional three days … Illness Cover Paid maternity, paternity, adoption or shared parental leave Mostly remote/work from home Subsidised gym membership and more Apply now to find out more about this Principal Software Engineer/Architect (C# .Net AWS CQRS Event Sourcing) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths More ❯

Principal Software Engineer page is loaded Principal Software Engineer Apply locations: London Type: Full time Posted on: Posted Yesterday Job requisition id: R98993 About our Team : Elsevier is a global information analytics company that helps institutions and professionals progress science, advance healthcare, and improve performance for the benefit of humanity. We serve the research, academic, and … and innovative technologies. We support our corporate customers, R&D professionals, engineers, scientists, and marketing leaders to innovate and commercialize ideas, products, and processes. About the Role: As a Principal Software Engineer, you will participate in technical discussions to design solutions that meet product requirements, develop test-driven code, pair with team members, mentor juniors, and support existing More ❯

Principal Sales Engineer Location: Remote (UK-based) – with travel to customer sites Salary: circa £140k +20% bonus + car allowance + extensive benefits package (DV cleared) Clearance Requirement: DV (Developed Vetting) or SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world’s most essential organisations through their … visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a … with tools like Wireshark, Zeek, or similar platforms. Awareness of cybersecurity frameworks and best practices (e.g., NIST, ISO 27001) and how they apply to network assurance. Role & Responsibilities As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional More ❯

Principal Sales Engineer Location: Remote (UK-based) - with travel to customer sites Salary: £(phone number removed)-£(phone number removed) +20% bonus + car allowance + extensive benefits package Clearance Requirement: DV (Developed Vetting) - required Please note: Candidates with only current SC clearance will be considered only in exceptional cases and must be eligible and willing to undergo full … visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a … Radwhere, Riverbed, A10, ExtraHop Experience authoring whitepapers , contributing to product strategy Familiarity with security audits , RFP/RFI responses Track record of mentoring technical presales teams Role & Responsibilities As Principal Sales Engineer , you will play a vital role in driving revenue by delivering technical presales support , demonstrating product value , and shaping best-fit solutions . Reporting to the More ❯

Principal Sales Engineer Location: Central or Southern UK Remote (UK-based) – with travel to customer sites Salary: £125-£155 +20% bonus + car allowance + extensive benefits package Clearance Requirement: DV (Developed Vetting) – required Our client is at the forefront of digital transformation, supporting the world’s most essential organisations through their most complex digital challenges. By providing … visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a … strong Government/Public Sector background and current DV clearance. Role & Responsibilities As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional Sales Director, you will act as a trusted advisor for public sector clients and internal stakeholders. More ❯

Principal Systems Engineer 12-month contract Based in Edinburgh Offering 70ph Inside IR35 Do you have experience with MATLAB? Do you have experience across the V Model Lifecycle? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Principal Systems … Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Work with large datasets from rig and flight … systems Understanding of radar or complex sensor systems If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further! Principal Systems Engineer 12-month contract Based in Edinburgh Offering 70ph Inside IR35 Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT More ❯