101 to 125 of 276 Principal Engineer Jobs in the UK

Principal Hardware Engineer - Near Edinburgh Hybrid Job Type Permanent Location Edinburgh Bonus, Hybrid, WFH, Progression Job Ref BBBH38 Date Added September 9th, 2025 Consultant Liam Kirton Principal Hardware Engineer - Near Edinburgh Hybrid Having placed a number of people into their team ourselves, Lorien's long standing client based near Edinburgh - a leader in their industry with … a growing and consistently award-winning product line - have asked us to help them in their searches for a Principal Hardware Engineer to join their team on a permanent basis. Taking designs from initial concept stages to production, you'll be a driving force behind new ideas, contribute towards the ongoing improvements of key electronics and systems at More ❯

Job Role: Principal Engineer Working Model: Full-Time - Remote (with occasional quarterly workshops/events) Salary: Up to £100,000 This is a fantastic opportunity to join a major organisation as they evolve their Proposition & Acquisition Value Stream , driving innovation across marketing websites, sales quote and buy systems, and key marketing technologies click apply for full job details More ❯

We are seeking a Principal Fire Safety Engineer to join a market leading engineering consultancy, supporting high-hazard industries such as chemical, oil & gas, clean energy, nuclear, and manufacturing. This is a days-based permanent position offering up to £95,000 per annum DOE, with flexible working arrangements available (hybrid or remote), alongside a comprehensive benefits package. As … a Principal Fire Safety Engineer, you will lead the delivery of engineering projects from concept through to completion, providing technical direction and ensuring compliance with UK regulations and international standards. You will develop innovative strategies for high-hazard environments, manage and mentor a team of engineers, and act as a trusted advisor to major clients across multiple sectors. … management team, while contributing to the wider success of a global consultancy. You will also play a key role in client engagement, regulatory liaison, and supporting business development initiatives. Principal Fire Safety Engineer Responsibilities: Lead and deliver engineering projects across high-hazard and complex facilities. Develop bespoke safety strategies, assessments, and scenario analyses. Oversee modelling activities and interpret More ❯

Job Title: Principal Systems Engineer (Platform Integration) Location: Barrow-In-Furness (Hybrid - Expectation to be in the Barrow Office 2 days per week) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable depending on experience What you'll be doing: Representing the Combat … a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Combat Systems Build Integration and Test team: As a Principal Systems Engineer (IV&V), you will be performing a host of system engineering and design activities for the execution of the IV&V strategy, primarily focused on physical More ❯

business, understand our clients' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal Engineer with a passion for data, cloud technologies, and building robust, scalable solutions - who also brings strategic product thinking and cross-functional leadership . In this role, you More ❯

Principal Data Engineer – Winchester/London (Hybrid) - £84,000 + 10% bonus 1-2dpw in office | Greenfield Enterprise Data Platform Build | Flexible Working | Private Medical Ada Meher are working with the market leader in Digital Telecommunication & Broadcasting technology solutions as they recruit for a Principal Data Engineer to join them on their migration project from … business also has an extremely competitive benefits package including, but not limited to, Private Medical, enhanced pension contributions & wellness/gymflex programmes.We are expecting a strong response to this Principal Data Engineer role, so please apply send a CV in to today to avoid missing out More ❯

Principal Data Engineer – Winchester/London (Hybrid) - £84,000 + 10% bonus 1-2dpw in office | Greenfield Enterprise Data Platform Build | Flexible Working | Private Medical Ada Meher are working with the market leader in Digital Telecommunication & Broadcasting technology solutions as they recruit for a Principal Data Engineer to join them on their migration project from … business also has an extremely competitive benefits package including, but not limited to, Private Medical, enhanced pension contributions & wellness/gymflex programmes.We are expecting a strong response to this Principal Data Engineer role, so please apply send a CV in to today to avoid missing out More ❯

Principal Engineer - Product Security Location: Frimley (hybrid - average of 2-3 days onsite per week) Rate: £85.40 per hour/umbrella (inside IR35), approx. £632 per day Contract: 6-months initially (potential for extension or to go permanent) Hours: 37 per week Clearance: Active SC Clearance required Restrictions: ITAR and "UK Eyes Only", please note only sole British More ❯

Principal Software Engineer Join a once in a career opportunity to help build a premium private bank from the ground up. Which is currently in stealth mode , backed by significant capital and led by a visionary team. With mobilisation underway, we’re assembling a lean, elite engineering team to architect and deliver a secure, scalable, multi-cloud banking … platform using modern technologies. This is a career-defining role for a polyglot engineer with deep expertise in Rust and Python , and a passion for building robust systems in highly regulated environments. What You’ll Do Design and build core banking services and infrastructure using Rust , Python , and other modern languages. Develop secure, scalable systems across AWS and GCP More ❯

Principal Software Engineer Join a once in a career opportunity to help build a premium private bank from the ground up. Which is currently in stealth mode , backed by significant capital and led by a visionary team. With mobilisation underway, we’re assembling a lean, elite engineering team to architect and deliver a secure, scalable, multi-cloud banking … platform using modern technologies. This is a career-defining role for a polyglot engineer with deep expertise in Rust and Python , and a passion for building robust systems in highly regulated environments. What You’ll Do Design and build core banking services and infrastructure using Rust , Python , and other modern languages. Develop secure, scalable systems across AWS and GCP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end … data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end … data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end … data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end … data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Python Engineer Salary: Up to £130k + bonus Location: London (3x per week) I’m working with a global financial organisation that’s investing heavily in its data and cloud technology platform, and they’re looking for a Python Engineer to join their growing Investment Technology team. You’ll be: Building clean, scalable Python back-end … data engineering experience Solid understanding of APIs, SQL/NoSQL, and modern software design A problem-solver who enjoys working closely with the business If you’re a Python engineer who loves solving complex data challenges in a collaborative, cloud-first environment — drop me a message: daniel.wexler@sourcegroupinternational.com THIS ROLE DOES NOT PROVIDE SPONSORSHIP More ❯

Principal Platform Engineers (Multiple roles) - AI Start up - Cambridge/hybrid or fully remote & £100k+ salary ☁️ With billions of £ worth of investment hitting the UK, this exciting AI start up are ahead of the curve, lead by successful founders from previous businesses and backed by some exciting names within the industry! They're looking to build out their Cloud …/Software Engineering team and are on the look out for multiple Principal Platform Engineers to help build multi cloud (AWS, GCP & Azure) infrastructure for their AI customers. Within this Principal Platform Engineer roles, they looking for future leaders but need people to be very hands on and a strong background or experience withing software development and … building from scratch and have a track record of cloud architecture You don't want to miss this opportunity, as AI continues to grow in the UK! Apply today! ☁️ Principal Platform Engineers (Multiple roles) - AI Start up - Cambridge/hybrid or fully remote & £100k+ salary More ❯

Principal Platform Engineers (Multiple roles) - AI Start up - Cambridge/hybrid or fully remote & £100k+ salary ☁️ With billions of £ worth of investment hitting the UK, this exciting AI start up are ahead of the curve, lead by successful founders from previous businesses and backed by some exciting names within the industry! They're looking to build out their Cloud …/Software Engineering team and are on the look out for multiple Principal Platform Engineers to help build multi cloud (AWS, GCP & Azure) infrastructure for their AI customers. Within this Principal Platform Engineer roles, they looking for future leaders but need people to be very hands on and a strong background or experience withing software development and … building from scratch and have a track record of cloud architecture You don't want to miss this opportunity, as AI continues to grow in the UK! Apply today! ☁️ Principal Platform Engineers (Multiple roles) - AI Start up - Cambridge/hybrid or fully remote & £100k+ salary More ❯

Senior/Principal Civil Engineer Portsmouth outskirts £ DOE plus benefits Our client is looking for a Senior/Principal Civil Engineer to join their team. They have a multitude of projects at various stages in their project lifecycle, from appraisal through to construction and in several different sectors. These include residential, leisure, commercial, and retirement & care. … AutoCAD and Site 3D or equivalent 3D software Be responsible for writing fee proposals Co-operate with the Quality Management System (QMS) through undertaking administrative activities About you: Chartered Engineer (CEng) or Incorporated Engineer (IEng) working towards CEng with the Institution of Civil Engineers A degree or HND in Civil Engineering Experience Line management experience including undertaking of More ❯

Principal Data Engineer - hyrbid (Leeds) - £70k-£80k Are you an experienced Azure Data Engineer looking to make an impact in an established financial insitution. We are seeking a hands-on professional to join a high-performing team tasked with building and enhancing a modern Azure data platform, with an expertise in Databricks. About the Role: In this More ❯

Principal Engineer at VC backed start-up About the Company: We’re a well-backed, early-stage tech venture on a mission to transform how people and intelligent systems work together. Our platform brings automation, data, and decision-making into one seamless experience — helping teams move faster, think smarter, and create more impact. Supported by top-tier investors More ❯

Principal Engineer at VC backed start-up About the Company: We’re a well-backed, early-stage tech venture on a mission to transform how people and intelligent systems work together. Our platform brings automation, data, and decision-making into one seamless experience — helping teams move faster, think smarter, and create more impact. Supported by top-tier investors More ❯

Principal Engineer at VC backed start-up About the Company: We’re a well-backed, early-stage tech venture on a mission to transform how people and intelligent systems work together. Our platform brings automation, data, and decision-making into one seamless experience — helping teams move faster, think smarter, and create more impact. Supported by top-tier investors More ❯

Principal Engineer at VC backed start-up About the Company: We’re a well-backed, early-stage tech venture on a mission to transform how people and intelligent systems work together. Our platform brings automation, data, and decision-making into one seamless experience — helping teams move faster, think smarter, and create more impact. Supported by top-tier investors More ❯

Principal Engineer at VC backed start-up About the Company: We’re a well-backed, early-stage tech venture on a mission to transform how people and intelligent systems work together. Our platform brings automation, data, and decision-making into one seamless experience — helping teams move faster, think smarter, and create more impact. Supported by top-tier investors More ❯

Principal Software Engineer Edinburgh An innovative and well-established med tech company are seeking a proven technical leader to join its R&D team basedin central Edinburgh as a Principal Software Engineer. This is a unique opportunity to play a key role in the development of next-generation patient monitoring and connectivity solutions that make a real … proven technical leader looking to remain hands on and ship code whilst making key architectural decisions, driving the roadmap, and contributing to building a high performing dev culture ...the Principal role is ideal. You will be part of a cutting-edge company at the forefront of healthcare technology. Contribute to a high-performance culture by maintaining rigorous development standards … and documentation. As a Software Engineer, you will be instrumental in designing, and developing complex software systems within a regulated medical technology environment. Thesepositions areideal forseasoned engineers who thrivein collaborative cross-functional development. What We're Looking For: Vast software development experience in C++ Strong background in multi-threaded programming and Linux-based development environments. Experience with Qt/ More ❯