76 to 100 of 321 Principal Engineer Jobs

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 … citizens can apply About the Role We're seeking a highly experienced Principal Product Security Engineer to join one of our clients Product Security Engineering teams, supporting the delivery and through-life management of secure submarine systems and products. As a key focal point for security and information risk, you'll apply deep technical expertise to ensure that 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 .Net Engineer – 50/50 Hands-on About the Company: My client is a global leader in market infrastructure. With a focus on data solutions, and digital transformation, they are a World leader in their market. About the Role: My Client is seeking a Principal Software Engineer with a strong background in .NET Core and More ❯

Principal .Net Engineer – 50/50 Hands-on About the Company: My client is a global leader in market infrastructure. With a focus on data solutions, and digital transformation, they are a World leader in their market. About the Role: My Client is seeking a Principal Software Engineer with a strong background in .NET Core and More ❯

Principal .Net Engineer – 50/50 Hands-on About the Company: My client is a global leader in market infrastructure. With a focus on data solutions, and digital transformation, they are a World leader in their market. About the Role: My Client is seeking a Principal Software Engineer with a strong background in .NET Core and 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 DATA ENGINEER £80,000 + BENEFITS LEEDS (Hybrid) Looking for a role where you can truly influence how data engineering is done-while still getting stuck into the tech yourself? THE COMPANY: I'm working with a central data function in the financial services industry that's undergoing a full modernisation of their data platform. They've … team Implement data governance requirements Collaborate with non-technical stakeholders to ensure delivery aligns to business needs Stay close to the ML lifecycle YOUR SKILLS AND EXPERIENCE: A successful Principal Data Engineer will have the following skills and experience: Strong hands-on experience with Azure Proficient in Databricks Skilled in Terraform and Infrastructure as Code practices Exposure to More ❯

PRINCIPAL DATA ENGINEER £80,000 + BENEFITS LEEDS (Hybrid) Looking for a role where you can truly influence how data engineering is done-while still getting stuck into the tech yourself? THE COMPANY: I'm working with a central data function in the financial services industry that's undergoing a full modernisation of their data platform. They've … team Implement data governance requirements Collaborate with non-technical stakeholders to ensure delivery aligns to business needs Stay close to the ML lifecycle YOUR SKILLS AND EXPERIENCE: A successful Principal Data Engineer will have the following skills and experience: Strong hands-on experience with Azure Proficient in Databricks Skilled in Terraform and Infrastructure as Code practices Exposure to 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 Network Engineer I or II Location: UK or Ireland (Remote) Salary: Up to 115,000 + bonus Employment Type: Permanent We are looking for an experienced Principal Network Engineer (Level I or II) to join a high-performing global engineering team building and optimising a large-scale enterprise network. This is a hands-on, deeply More ❯

Principal Network Engineer I or II Location: UK or Ireland (Remote) Salary: Up to £115,000 + bonus Employment Type: Permanent We are looking for an experienced Principal Network Engineer (Level I or II) to join a high-performing global engineering team building and optimising a large-scale enterprise network. This is a hands-on, deeply More ❯

team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. Reporting into the Head of Focal Engineering, the Principal Engineer will work on a number of exciting Wireless Design and Implementation projects for customers across England in the Education and Government sectors as well as others. This … design and implementation of enterprise-grade wireless network solutions across universities in England, leveraging Cisco and Juniper technologies to deliver secure, scalable, and high-performance connectivity. Act as the principal design authority, setting technical direction, standards, and best practices for campus wireless and wired infrastructure, ensuring alignment with university digital transformation objectives. Develop and review detailed low-level designs … focused discussions. Maintain active CCIE certification (Wireless or Enterprise Infrastructure) and ensure ongoing professional development to sustain expert-level technical credibility. Who you are: You're a CCIE level Principal Wireless Engineer with deep expertise in Cisco and Juniper technologies, driven by a passion for delivering world-class wireless connectivity. Key Requirements: Expert-level knowledge of Cisco and More ❯

team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. Reporting into the Head of Focal Engineering, the Principal Engineer will work on a number of exciting Wireless Design and Implementation projects for customers across England in the Education and Government sectors as well as others. This … design and implementation of enterprise-grade wireless network solutions across universities in England, leveraging Cisco and Juniper technologies to deliver secure, scalable, and high-performance connectivity. Act as the principal design authority, setting technical direction, standards, and best practices for campus wireless and wired infrastructure, ensuring alignment with university digital transformation objectives. Develop and review detailed low-level designs … focused discussions. Maintain active CCIE certification (Wireless or Enterprise Infrastructure) and ensure ongoing professional development to sustain expert-level technical credibility. Who you are: You're a CCIE level Principal Wireless Engineer with deep expertise in Cisco and Juniper technologies, driven by a passion for delivering world-class wireless connectivity. Key Requirements: Expert-level knowledge of Cisco and More ❯

competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Aeronautics Systems has an opening for a Software Engineer or a Principal Software Engineer to join our team of qualified, diverse individuals within our software organization. This role can be located in Melbourne, FL , Oklahoma City … Participate in software development in support of Research and Advanced Design programs Design, develop, and document software for mission planning solutions Collaborate with the Chief Architect and Lead Systems Engineer to build and test OMS tools, services, and bridges? Generate and present material to support internal and external customer briefings met Basic Qualifications: Software Engineer: Bachelor's Degree … an accredited university with 2 Years experience; OR a master's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 0 Years experience Principal Software Engineer: Bachelor's Degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 5 Years experience; OR a master's degree in More ❯

competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Aeronautics Systems has an opening for a Software Engineer or a Principal Software Engineer to join our team of qualified, diverse individuals within our software organization. This role can be located in Melbourne, FL , Oklahoma City … Participate in software development in support of Research and Advanced Design programs Design, develop, and document software for mission planning solutions Collaborate with the Chief Architect and Lead Systems Engineer to build and test OMS tools, services, and bridges? Generate and present material to support internal and external customer briefings met Basic Qualifications: Software Engineer: Bachelor's Degree … an accredited university with 2 Years experience; OR a master's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 0 Years experience Principal Software Engineer: Bachelor's Degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 5 Years experience; OR a master's degree in More ❯

Principal Product Engineer (Frontend) - React, TypeScript Fast-Growing SaaS Startup 3 days a week onsite in Central London Salary paying £100k - £140k + benefits Oliver Bernard have partnered with an early-stage, venture-backed SaaS company building a cutting-edge workflow orchestration platform used by high-performance teams across logistics, fulfilment, and finance. Think: replacing clunky legacy enterprise … work across the stack with a strong emphasis on the frontend building elegant, intuitive UIs for complex workflows — with real ownership from architecture to launch. The Role: As a Principal Frontend Engineer, you’ll be a key contributor responsible for building powerful frontend experiences and thoughtfully designed systems under the hood. You’ll have the opportunity to work … on the backend if needed. Are product-minded, user-focused, and comfortable with ambiguity. Thrive in early-stage environments where you help shape both the product and the company. Principal Product Engineer - React, TypeScript More ❯

Principal Product Engineer (Frontend) - React, TypeScript Fast-Growing SaaS Startup 3 days a week onsite in Central London Salary paying £100k - £140k + benefits Oliver Bernard have partnered with an early-stage, venture-backed SaaS company building a cutting-edge workflow orchestration platform used by high-performance teams across logistics, fulfilment, and finance. Think: replacing clunky legacy enterprise … work across the stack with a strong emphasis on the frontend building elegant, intuitive UIs for complex workflows — with real ownership from architecture to launch. The Role: As a Principal Frontend Engineer, you’ll be a key contributor responsible for building powerful frontend experiences and thoughtfully designed systems under the hood. You’ll have the opportunity to work … on the backend if needed. Are product-minded, user-focused, and comfortable with ambiguity. Thrive in early-stage environments where you help shape both the product and the company. Principal Product Engineer - React, TypeScript More ❯

Role: Principal Automation Engineer Location: Basingstoke, Hybrid working Salary: £75,000-£90,000 + car allowance + 16% Bonus Are you passionate about driving automation at scale? We're looking for a Principal Automation Engineer to lead the design and delivery of cutting-edge automation solutions across a global technology environment. In this senior role, you More ❯

Principal Market Data Engineer page is loaded Principal Market Data Engineer Apply locations Belfast time type Full time posted on Posted Yesterday job requisition id R4033 About Liquidnet Liquidnet is a next-generation agency execution specialist. Powered by technology that helps drive institutional alpha, our trading and liquidity network intelligently and securely connects the world's … The ideal candidate will have at least 7 years' experience in a similar role from the financial services or banking industry. We are seeking an experienced Market Data Infrastructure Engineer to help ensure stability and continued growth of our global infrastructure. The role requires hands-on knowledge of various distributed market data platforms, with great Linux scripting, networking, and 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 + 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 + 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 ❯