Cheltenham, Gloucestershire, England, United Kingdom Hybrid / WFH Options
Computer Futures
Principal Software Engineer - Lead Innovation in Government Tech Up to £95,000 + Exceptional Benefits Remote First (1 Day/Fortnight Onsite) SC Clearable - British Citizens Only Are you ready to shape the future of government technology? Join a cutting-edge software engineering business as a Principal Software Engineer, where you'll lead a talented team More ❯
Principal Software Engineer (Permanent) Salary: £65,000 - £75,000 Location: UK-based iO Associates is supporting a large public-sector organisation. They are looking for a Principal Software Engineer to help shape the future of digital services. You'll join a forward-thinking Head of Engineering who is transforming the team to deliver smarter, more efficient More ❯
Principal Software Engineer Salary: Up to £100k + Bonus Location: Central London - Once a Fortnight Tech Stack: Python/Vue/TypeScript/GCP or AWS Cloud Are you a product-driven Software Engineer who cares about the why behind what you build? Do you thrive on shaping technical direction, driving innovation, and delivering solutions that make … real impact for customers? This is a rare chance to join a London-based AI & Data software company backed by significant investment and global ambition. They’re hiring multiple Principal Software Engineers to play a pivotal role in the evolution of their products. You’ll work hands-on within cross-functional teams, influencing both product and technical direction, while … leveraging modern web technologies, cloud platforms, and strong engineering practices. What they're looking for in a Principal Software Engineer: Proven expertise in Python (Django), TypeScript (Vue.js), serverless cloud platforms, and MongoDB A product-first mindset — curious, proactive, and always looking for ways to improve and innovate Experience working in cross-functional teams, contributing hands-on while guiding More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Maxwell Bond
Principal Software Engineer Salary: Up to £100k + Bonus Location: Central London - Once a Fortnight Tech Stack: Python/Vue/TypeScript/GCP or AWS Cloud Are you a product-driven Software Engineer who cares about the why behind what you build? Do you thrive on shaping technical direction, driving innovation, and delivering solutions that make … real impact for customers? This is a rare chance to join a London-based AI & Data software company backed by significant investment and global ambition. They’re hiring multiple Principal Software Engineers to play a pivotal role in the evolution of their products. You’ll work hands-on within cross-functional teams, influencing both product and technical direction, while … leveraging modern web technologies, cloud platforms, and strong engineering practices. What they're looking for in a Principal Software Engineer: Proven expertise in Python (Django), TypeScript (Vue.js), serverless cloud platforms, and MongoDB A product-first mindset — curious, proactive, and always looking for ways to improve and innovate Experience working in cross-functional teams, contributing hands-on while guiding More ❯
Principal Cybersecurity Machine Learning Engineer The position is a senior technical role, requiring knowledge of data engineering, data science, advanced analytics techniques, research and development, and innovation within one or more of the Cybersecurity sciences (e.g. network, endpoint and cloud security, cryptography, malware analysis, vulnerability assessment, privileged access management, anomaly/intrusion detection, incident response, or offensive security … . The Principal Cybersecurity Analytics Engineer role is a key leadership, hands on technical role, contributing to, coordinating, and leading delivery of advanced analytics solutions to cybersecurity problems through rapid development of prototypes, engineering of production solutions, and exploration of longer term, potentially ground-breaking technologies. Cybersecurity-specific knowledge is required for the role, but exceptional candidates from More ❯
Bottesford, Leicestershire, UK Hybrid / WFH Options
Movement8
Principal Python Engineer Remember to check your CV before applying Also, ensure you read through all the requirements related to this role. - Outside IR35 - Remote First Were looking for a Principal Python Engineer for a leading and scaling Telco business. This is a chance to combine hands-on coding with technical leadership. What youll be doing More ❯
Principal Data Engineer - Core Systems Team Hybrid in London/Remote within UK The company Imagine a world where every small business has the power to thrive. That's the world we're building at iwoca. Small businesses aren't just statistics - they're the heartbeat of our communities, the character of our high streets, and the engine … iwoca products. We follow Agile-inspired processes, using continuous integration and delivery, so that features go live in days or weeks, not months or years. The role As the Principal Data Engineer, you'll be responsible for our data platform. You'll define our data strategy, drive the evolution of our data infrastructure, and ensure our data systems More ❯
not just imagining tomorrow we are creating it. From cutting edge defence technology to ground breaking innovations our mission is to empower and protect lives. Join us as a Principal Test Engineer at our Farnborough site, where you will have the opportunity to work with cutting-edge technology in partnership with some of the most brilliant minds. The … Role: As a Principal Test Engineer you will lead across a portfolio of wind tunnel test programmes across a portfolio at our 5-metre wind tunnel facility at Farnborough. Day-to-day, you will be responsible for leading customer engagement, test planning, delivery of testing, supervision of data analysis, reporting and technical approval of customer deliverables . Your … project teams throughout of the applicable engineering governance processes Mentoring and coaching others maturing overall technical capability whilst developing technical networks both internally and externally Essential experience of the Principal Test Engineer: Proven technical team leadership experience achieving productive and progressive testing outcomes Deep experience in engineering test infrastructure and test delivery with an acute awareness of Systems More ❯
Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We re looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. More ❯
Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We're looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. More ❯
Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. Take the next step in your career now, scroll down to read the full role description and make your application. We're looking for a technically strong … client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solutions. This role sits within our Secure by Design capability and supports both internal development projects and external client engagements. Working alongside the existing team, contributing to security requirements definition, risk assessments, technical security design, and security documentation for both internal 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 More ❯
Hertfordshire, United Kingdom Hybrid / WFH Options
Matchtech
Principal Systems Engineer - Future Products Hybrid working (3-4 days per week on-site) Are you a systems engineer who thrives on solving complex problems, shaping future technologies, and influencing early-stage product development? We're looking for a Principal Systems Engineer to play a pivotal role in our Future Products team - a group dedicated … to defining the next generation of advanced systems. As a Future Products Principal Systems Engineer , you'll help shape early-phase concepts that could define the technology landscape for the decades ahead. From engaging with customers and exploring new technologies, to working across multi-disciplinary teams and developing system-level solutions, this is an opportunity to make a More ❯
Principal Security Engineer The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We're looking for a technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solution More ❯
Principal Security Engineer Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV. The Role: Synoptix are expanding their Cyber Security capability by applying it to Systems Thinking, allowing for delivery of Cyber Security Solutions to both defence and commercial clients. We're looking for a … technically strong, client-focused Principal Security Engineer to support the development, implementation, and assurance of secure system architectures and solution... More ❯
Basingstoke, Hampshire, South East, United Kingdom Hybrid / WFH Options
Anson Mccade
Principal Support Engineer (Technical Publications) £51,000 - £61,000 GBP Hybrid WORKING Location: Bristol, South West - United Kingdom Type: Permanent Role: Principal Support Engineer - Technical Publications Location: Greater Bristol Area Salary: £51,000 - £61,000 (depending on experience) Security Clearance: Currently hold or are eligible to obtain SC Clearance, with a willingness to undergo DV Clearance … days per week on site, with flexibility required based on project needs. On-site presence will be essential during initial training. A leading defence organisation is seeking a Principal Support Engineer to manage the production of Interactive Electronic Technical Publications (IETPs) for a major UK submarine programme. This is a key role within a wider technical publications team More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + car allowance Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + car allowance Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + car allowance Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
Senior/Principal Systems Engineer £45,000 - £85,000 + car allowance Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯
bolton, greater manchester, north west england, united kingdom
CBSbutler
Senior/Principal Systems Engineer £45,000 - £85,000 + excellent bens Bristol, London, Manchester, Reading (Hybrid) Join us as a Senior/Principal Systems Engineering Consultant in Aerospace, Defence, Security and Technology (ADS&T). You'll lead teams that use Systems Thinking to analyse, assess and develop solutions to their most complex challenges. Underpinned by … a huge variety of projects, ranging from niche consultancy projects to large, high-profile programmes. So, you'll always be able to keep yourself challenged. Your Purpose: Senior/Principal Systems Engineer Provide consultancy to client project and engineering managers. Lead the use of best practice techniques and tools on client and internal projects. Champion a Model Based … to a client. Proactively identify opportunities and contribute to ADS&T growth. Contribute to the development of our people through mentoring and coaching. What can you bring: Senior/Principal Systems Engineer The use of MBSE approaches and tools (e.g. Sparx EA, Cameo). Knowledge of modelling languages and architecture frameworks, e.g., UML/SysML, ArchiMate, TOGAF, MODAF. More ❯