26 to 50 of 225 Principal Engineer Jobs in the UK

Principal Engineer - Fire Safety Location: Barrow (remote working, with occasional requirements for site visits to support specific project needs) Duration: 12 months Rate: £55.31 per hour PAYE or £74.68 per hour Umbrella Would you like to play a crucial role within fire safety to ensure the safe delivery of Royal Navy submarines? Our client is currently recruiting for … a Principal Engineer - Fire Safe click apply for full job details More ❯

Principal SecOps Engineer - Hybrid - Nottinghamshire - Up to £75000 + Bonus We're seeking an experienced Principal SecOps Engineer to take a leading role in strengthening our clients' security operations. This is a hands-on, strategic position within the Technical Operations team, where you'll set the direction for security practices, guide incident response, and support the … Healthcare cash plan, company pension, life assurance, and recognition schemes Flexible hybrid working model, with ongoing training and career development A vibrant culture with regular team socials and events Principal SecOps Engineer - Hybrid - Nottinghamshire - Up to £75000 + Bonus More ❯

Principal Embedded Systems Engineer Location: Kettering (Flexible Hybrid WFH) Package: £65,000 - £75,000 + £3,600 Tax-Free Bonus (EOT) KO2's client, a well-established and highly respected design consultancy based in Kettering, is seeking a principal embedded systems engineer to join their close-knit, multi-disciplinary team. This is a rare opportunity to … industries, from specialist electronics to complex, full-system solutions. You'll be part of an 8-person core engineering team, collaborating across hardware, software, firmware, and mechanical disciplines. As principal embedded systems engineer, you'll play a pivotal role-balancing hands-on development with technical leadership, project oversight, and direct client interaction. You'll work on everything from … without losing your hands-on edge Flexible, adaptable approach to work-happy to pick up new tools, technologies, and problem domains This is the perfect role for a seasoned principal embedded systems engineer who thrives on variety, values teamwork, and enjoys both the leadership and technical sides of product development. If you're ready to join a stable More ❯

Principal .NET Engineer Cloud Infrastructure & Platform Leadership (Hybrid Belfast or Remote UK) Are you a technical leader who still loves to code? Do you want to drive architecture decisions, mentor engineers, and shape the future of a cloud-native financial platform? My client is a technology-first financial services firm undergoing a major platform transformation. Check you match … the skill requirements for this role, as well as associated experience, then apply with your CV below. Theyre now looking for a Principal .NET Engineer to lead the technical direction of a high-impact team building scalable, secure, and performant systems in AWS using .NET Core and Python for Infrastructure as Code. This is a hands-on leadership … ensuring compliance is built-in, not bolted on. Championing agile principles and helping teams continuously improve how they work. What theyre looking for Must-haves: Proven experience in a Principal or Lead .NET Engineer role with architectural influence across teams. Deep technical expertise in .NET Core and back-end system design. Strong working knowledge of AWS especially building More ❯

Principal Systems Engineer | Cheshunt The Principal Systems Engineer position is part of the Systems Engineering team within a leading UK-based technology company specializing in advanced radar solutions. This role involves working on both internally and externally funded systems projects that utilize cutting-edge solid-state radar technology. The successful candidate will engage across the entire More ❯

Principal Platform Engineer London/WFH to £100k Are you a technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently … in stealth mode. As a Principal Platform Engineer you'll have an impactful role with lots of influence. Initially you'll assess the current tech set up based on GCP, Python, TypeScript, PostgreSQL and Terraform; establish the production environment and extend the platform to enable scalability. You'll collaborate closely with the CTO and Lead Software Engineer … of Technology. Location/WFH: You'll be based in Central London, with flexibility to work from home twice a week. About you: You have experience in a similar Principal Platform Engineer role within start-up/scale-up environments with strong commercial acumen You have achieved a 2.1 or above BSc from a well renowned top world 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 click More ❯

Principal Python Engineer - 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: Leading the design and development of robust, scalable Python applications Setting technical direction and best practices for the engineering 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 Systems Engineer () Job Description Principal Systems Engineer - Description Job Title: Principal Systems Engineer Location: Coventry. We offer a range of hybrid and flexible working More ❯

Principal Software Engineer - Lead the Future of UK GovTech ?? Up to £95,000 + Elite Benefits ?? Remote First (Just 1 Day Onsite Every Fortnight) ?? SC Clearable - British Citizens Only Ready to lead innovation that matters? Join a mission-driven tech powerhouse where your code helps protect national interests, drive digital transformation, and shape the future of government technology. … We're looking for a Principal Software Engineer to architect cloud-native solutions, mentor brilliant engineers, and lead delivery across high-impact government programmes. This is your chance to combine deep technical expertise with strategic leadership in a collaborative, forward-thinking environment. You will need experience in Java, React.js and AWS to be successful in this position. ?? What More ❯

Principal Software Engineer - Lead the Future of UK GovTech Up to £95,000 + Elite Benefits Remote First (Just 1 Day Onsite Every Fortnight)?? SC Clearable - British Citizens Only Ready to lead innovation that matters? Join a mission-driven tech powerhouse where your code helps protect national interests, drive digital transformation, and shape the future of government technology. … We're looking for a Principal Software Engineer to architect cloud-native solutions, mentor brilliant engineers, and lead delivery across high-impact government programmes. This is your chance to combine deep technical expertise with strategic leadership in a collaborative, forward-thinking environment. You will need experience in Java, React.js and AWS to be successful in this position. What More ❯

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 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 ❯

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 ❯

Principal Systems Engineer Location: Basildon (3 days on site each week) Duration: 6 months Rate: £74.07 per hour Umbrella SC Clearance required HALO (Hostile Artillery Locating System) is a state-of-the-art long-range acoustic weapon locating system designed to meet the increasing threat of electronic warfare based targeting and anti-radar weapon systems countering radar-based … weapon locating systems. Our client is recruiting for two Principal Systems Engineers to be part of a team supporting their next generation Hostile Artillery Locating System development. Joining during a crucial part of the engineering lifecycle you will lead end-to-end systems engineering efforts, from concept through to deployment. Collaborating across cross-functional teams to support integration and … qualification of technical solutions. What you'll do as a Principal Systems Engineer: Contribute to requirements specification and management for complex, multi-faceted outputs. Participate in systems integration, verification, qualification & validation. Supporting junior engineers and contribute to technical excellence across the organisation. Ensure compliance with Mil Std's, Industry Std's and regulatory requirements. Supporting activities including design 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 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 ❯

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 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 ❯

Job Title: Principal Engineer - Project Engineering Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £54,500, depending on experience What you'll be doing: Reporting to the Engineering Manager, Lead & provide dedicated embedded engineering support to projects to More ❯

Job Title: Lead/Principal Embedded Software Engineer Location: Gloucester (On-Site Working) Salary: Up to £80,000 (Depending on Experience) Summary of Vacancy: We're currently recruiting for a Principal Embedded Software Engineer on behalf of a cutting-edge Security Research & Development organisation. This organisation is focused on low-level, security-related development in embedded … systems, and is building novel and secure solutions that push technical boundaries. You'll be working in a deeply technical, collaborative environment that prioritises engineering excellence. As a Principal Engineer, you'll lead development efforts for secure embedded systems, working hands-on with code while also guiding and mentoring others. You'll collaborate with researchers to prototype new More ❯