Senior PrincipalEngineer – Own the Architectural Roadmap | B Corp £150k + 15% Bonus Hybrid - London 2 days per week Are you a Senior PrincipalEngineer with a passion for defining technology roadmaps to deliver business growth? Are you a commercially minded technology leader capable of strategic … decision-making while working at a ‘hands-on’ level with engineering teams? Senior PrincipalEngineer - A mission-driven global eCommerce company is undergoing a major technical transformation and is looking for a Senior PrincipalEngineer to help shape the future of its technology landscape. Operating in … Consumer (D2C) growth and are looking for a hands-on, strategy-led architecture leader to join the Senior Leadership Team. The Role: As Senior PrincipalEngineer, you’ll define and own the architectural roadmap, shaping tech strategy across software, infrastructure, data, and security. Reporting directly to the CPTO More ❯
Senior PrincipalEngineer – Own the Architectural Roadmap | B Corp £150k + 15% Bonus Hybrid - London 2 days per week Are you a Senior PrincipalEngineer with a passion for defining technology roadmaps to deliver business growth? Are you a commercially minded technology leader capable of strategic … decision-making while working at a ‘hands-on’ level with engineering teams? Senior PrincipalEngineer - A mission-driven global eCommerce company is undergoing a major technical transformation and is looking for a Senior PrincipalEngineer to help shape the future of its technology landscape. Operating in … Consumer (D2C) growth and are looking for a hands-on, strategy-led architecture leader to join the Senior Leadership Team. The Role: As Senior PrincipalEngineer, you’ll define and own the architectural roadmap, shaping tech strategy across software, infrastructure, data, and security. Reporting directly to the CPTO More ❯
Hopton, Staffordshire, United Kingdom Hybrid / WFH Options
Samuel Frank
PrincipalEngineer Permanent EC&I - Staffordshire - £65k + hybrid working + bonus + 30 days annual leave + BUPA Must have a British passport for security clearance Ambitious, growing company is recruiting for a Degree qualified PrincipalEngineer to work in the defence sector with experience … of working on electrical control systems, software and electrical safety systems. Key aspects of the PrincipalEngineer role include Take charge of and lead project teams delivering electrical control systems, industrial software and electrical safety systems to customers in the defence sector Successful PrincipalEngineer will … have experience of working in highly regulated industries such as pharmaceuticals, medical or nuclear. Have first class stakeholder engagement and management skills PrincipalEngineer role could suit a Senior Engineer with experience of leading a small team who is ready to take the next step up into More ❯
Stafford, Staffordshire, West Midlands, United Kingdom Hybrid / WFH Options
Samuel Frank
PrincipalEngineer Permanent EC&I - Staffordshire - £65k + hybrid working + bonus + 30 days annual leave + BUPA +++Must have a British passport for security clearance+++ Ambitious, growing company is recruiting for a Degree qualified PrincipalEngineer to work in the defence sector with experience … of working on electrical control systems, software and electrical safety systems. Key aspects of the PrincipalEngineer role include Take charge of and lead project teams delivering electrical control systems, industrial software and electrical safety systems to customers in the defence sector Successful PrincipalEngineer will … have experience of working in highly regulated industries such as pharmaceuticals, medical or nuclear. Have first class stakeholder engagement and management skills PrincipalEngineer role could suit a Senior Engineer with experience of leading a small team who is ready to take the next step up into More ❯
Stafford, Staffordshire, West Midlands, United Kingdom Hybrid / WFH Options
Samuel Frank
PrincipalEngineer Permanent Electrical/Software/Controls - Staffordshire - £60-70k + hybrid working + bonus + 30 days annual leave + BUPA +++Must have a British passport for security clearance+++ Ambitious, growing company is recruiting for a Degree qualified PrincipalEngineer with experience of … managing multi-disciplinary teams to work in the defence sector. PrincipalEngineer role could suit a Senior Engineer with experience of leading a small team who is ready to take the next step up into a bigger role Key aspects of the PrincipalEngineer role … delivering electrical control systems, industrial software and electrical safety systems to customers in the defence sector Have first class stakeholder engagement and management skills PrincipalEngineer will initiate, oversee and lead all engineering activities on a project or group of projects Knowledge of working to ISO 9001 standards More ❯
PrincipalEngineer ( .Net, Azure, Salesforce) Permanent - Leeds Hybrid (circa 3 days a week in the office) FPSG seek an experienced PrincipalEngineer, who can bring both 'Team' and 'Technical' leadership to assist the creation of a new Single Source Digital Platform. You will be central to … building the new Salesforce platform, maximising the .Net, Azure estate. The PrincipalEngineer's responsibilities will include: Leading the engineering team from the front, setting & managing expectations. Championing excellence across design, coding and implementation. Contribute to setting, executing and delivering the engineering strategy. Bringing a hands on approach … and ingenuity to deliver scalable, best of breed solutions. Acting as a line manager and mentor to development team colleagues. To be the successful PrincipalEngineer, you will need experience of: A track record leading high performing engineering teams (.Net & Azure) A demonstrable and up-to-date track More ❯
bradford, yorkshire and the humber, united kingdom
FPSG
PrincipalEngineer ( .Net, Azure, Salesforce) Permanent - Leeds Hybrid (circa 3 days a week in the office) FPSG seek an experienced PrincipalEngineer, who can bring both 'Team' and 'Technical' leadership to assist the creation of a new Single Source Digital Platform. You will be central to … building the new Salesforce platform, maximising the .Net, Azure estate. The PrincipalEngineer's responsibilities will include: Leading the engineering team from the front, setting & managing expectations. Championing excellence across design, coding and implementation. Contribute to setting, executing and delivering the engineering strategy. Bringing a hands on approach … and ingenuity to deliver scalable, best of breed solutions. Acting as a line manager and mentor to development team colleagues. To be the successful PrincipalEngineer, you will need experience of: A track record leading high performing engineering teams (.Net & Azure) A demonstrable and up-to-date track More ❯
PrincipalEngineer/Architect (C# .Net SQL AWS) Remote to £80k Opportunity to progress your career in an impactful, PrincipalEngineer/Architect role, at a tech company that provides a range of SaaS software solutions. As a PrincipalEngineer/Architect you will … driven microservices You have advanced technical documentation skills You have excellent communication, presentation and collaboration skills What's in it for you: As a PrincipalEngineer/Architect you will earn a competitive package: Salary to £80k 25 days holiday Vitality Health Insurance 5% non-contributory pension Death … in Service Apply now to find out more about this PrincipalEngineer/Architect (C# .Net SQL AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯
Job Title: PrincipalEngineer - Electrical (Combat Systems) Location: Frimley - 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: Developing the Combat System Electrical Architecture working … a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Combat Systems team: The PrincipalEngineer - Electrical (Combat Systems) shall provide support to the Engineering Manager and/or external specialists during development, analysis, integration and verification of … Combat System and its sub-systems. The PrincipalEngineer - Electrical Engineering (Combat Systems) primary role is to develop the electrical system architecture for the Combat System and work with the WB Electrical teams to deliver a suitable system design. The PrincipalEngineer shall act as the More ❯
london, south east england, united kingdom Hybrid / WFH Options
numi
PrincipalEngineer – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a PrincipalEngineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A PrincipalEngineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯
slough, south east england, united kingdom Hybrid / WFH Options
numi
PrincipalEngineer – Build the Future of SME Finance 💻 Remote-first (UK-based) | London meetups | 🏗️ Hands-on Architecture | Team Leadership | Fintech for Good We’re working with a mission-driven fintech that’s solving a massive problem: small businesses — the backbone of the UK economy — are still underserved by … using real-time financial data. Already trusted by 80+ major banks and lenders, they're scaling fast — and now they’re looking for a PrincipalEngineer to shape the next stage of their platform and lead from the front. 💥 Why This Role is Great You’ll architect the … Terraform) Practices: TDD, CI/CD, clean architecture, pragmatic testing Bonus Points: Data engineering or machine learning experience 👀 What They’re Looking For A PrincipalEngineer, Tech Lead, or Software Architect with at least 2 years at this level You’ve built and scaled SaaS platforms — ideally in More ❯
Alveston, Gloucestershire, United Kingdom Hybrid / WFH Options
Jonathan Lee Recruitment Ltd
Senior or Principal Systems Engineer - Military and Defence Systems Hybrid/Remote Role with Travel to Other Sites - Permanent - Attractive Job Purpose: Systems, ( Requirements & Acceptance) A Senior or Principal Systems Engineer is required for an international Defence Systems Company that is expanding their team. Hybrid, Remote … to other sites for Technical Systems Reviews and Team Meetings, etc. The Salary and Seniority will depend on skills and experience. The Senior or Principal Systems Engineer will be part of the systems delivery team within the organisation and the Senior or Principal Systems Engineer will … be working and performing a host of systems engineering and requirements and acceptance activities for the execution of the strategy. This Senior or Principal Systems Engineer role will involve a broad spectrum of tasks involving Supporting the senior management of requirements and acceptance for systems across the project. More ❯
This leading developer of wireless communications technologies is urgently seeking a PrincipalEngineer 5G/6G RAN to be based at their R+D Centre in London. The PrincipalEngineer 5G/6G RAN will be involved in research and development of emerging 5G and 6G systems … relevant to 3GPP RAN wireless standards. Along with this the PrincipalEngineer 5G/6G RAN will be pivotal in driving next generation innovation and development addressing the challenges of future wireless systems development. The PrincipalEngineer 5G/6G RAN will also contribute to the More ❯
This leading developer of wireless communications technologies is urgently seeking a PrincipalEngineer 5G/6G RAN to be based at their R+D Centre in London. The PrincipalEngineer 5G/6G RAN will be involved in research and development of emerging 5G and 6G systems … relevant to 3GPP RAN wireless standards. Along with this the PrincipalEngineer 5G/6G RAN will be pivotal in driving next generation innovation and development addressing the challenges of future wireless systems development. The PrincipalEngineer 5G/6G RAN will also contribute to the More ❯
Crawley, West Sussex, South East, United Kingdom Hybrid / WFH Options
Circle Group
Principal Consulting Engineer (Rapid7, SentinelOne, AWS) Crawley £80k - £120k Are you an experienced cybersecurity professional ready to lead complex projects and make a tangible impact? We're looking for a Principal Cyber Engineer, with experience in designing and deploying Rapid7 , SentinelOne, (or similar XDR, MDR, SIEM … to evolving technologies and cross-functional environments. If you are interested in the above role - Click the 'Apply Now' button now for immediate review Principal Rapid7 Engineer, Rapid7 Engineer, Principal Rapid7 Engineer, Cyber Engineer, Cyber Architect, Rapid7, Delinea, SIEM, XDR, Sentinel, Fortinet Circle Recruitment More ❯
chichester, south east england, united kingdom Hybrid / WFH Options
Circle Group
Principal Consulting Engineer (Rapid7, SentinelOne, AWS) Crawley £80k - £120k Are you an experienced cybersecurity professional ready to lead complex projects and make a tangible impact? We're looking for a Principal Cyber Engineer, with experience in designing and deploying Rapid7 , SentinelOne, (or similar XDR, MDR, SIEM … to evolving technologies and cross-functional environments. If you are interested in the above role - Click the 'Apply Now' button now for immediate review Principal Rapid7 Engineer, Rapid7 Engineer, Principal Rapid7 Engineer, Cyber Engineer, Cyber Architect, Rapid7, Delinea, SIEM, XDR, Sentinel, Fortinet Circle Recruitment More ❯
Job Description - Principal Mechanical Engineer () Principal Mechanical Engineer - Job title: Principal Mechanical Engineer Location: Barrow-in-Furness or Bristol. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role What you'll be … an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Platform Combat Systems team: As the Principal Mechanical Engineer within out Platform Combat Systems Team, you will be joining a team that has spent over 10 years developing equipment to More ❯
Job Description - Principal Mechanical Engineer () Principal Mechanical Engineer - Job title: Principal Mechanical Engineer Location: Barrow-in-Furness or Bristol. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role What you'll be … an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Platform Combat Systems team: As the Principal Mechanical Engineer within out Platform Combat Systems Team, you will be joining a team that has spent over 10 years developing equipment to More ❯
Job Description - PrincipalEngineer - Computing and IT (Network) () PrincipalEngineer - Computing and IT (Network) - Job Title: PrincipalEngineer - Computing and IT (Network) Location: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this More ❯
PrincipalEngineer (Highways & Active Travel) page is loaded PrincipalEngineer (Highways & Active Travel) Apply locations GB.Bristol.The Hub time type Full time posted on Posted Yesterday job requisition id R-111802 Job Description Are you ready to take up a vital role in shaping some of our … recent wins, and excellent pipeline of work, we are currently seeking to expand our Highways team within our Transportation Practice and are seeking a PrincipalEngineer to lead teams and projects for a range of existing clients. The successful candidates will join an exciting and expanding team in More ❯
Principal Systems Engineer Competitive Salary Milton Keynes - Hybrid T2M Resourcing are working with a growing technology and manufacturing business to recruit a Principal Systems Engineer to lead systems requirements, design and architecture, testing, and overall V-Cycle activities. As a Principal Systems Engineer you … will specialise in managing systems activities and working with multi-discipline teams in software and hardware development. Duties of the Principal Systems Engineer: Leading systems activities across the V-Cycle alongside multi-discipline teams. Develop and manage requirements from product conception to delivery. Deliver functional safety activities to … such as FMEA and HAZOP and HARA. Support software team with development of models using Simulink/Matlab. Requirements to be successful as a Principal Systems Engineer: Degree level qualification in Systems Engineer, Electronics Engineering, Mechanical Engineering or similar field. Able to lead by example. Knowledge of More ❯
Principal Systems Engineer Competitive Salary Milton Keynes - Hybrid T2M Resourcing are working with a growing technology and manufacturing business to recruit a Principal Systems Engineer to lead systems requirements, design and architecture, testing, and overall V-Cycle activities. As a Principal Systems Engineer you … will specialise in managing systems activities and working with multi-discipline teams in software and hardware development. Duties of the Principal Systems Engineer: Leading systems activities across the V-Cycle alongside multi-discipline teams. Develop and manage requirements from product conception to delivery. Deliver functional safety activities to … such as FMEA and HAZOP and HARA. Support software team with development of models using Simulink/Matlab. Requirements to be successful as a Principal Systems Engineer: Degree level qualification in Systems Engineer, Electronics Engineering, Mechanical Engineering or similar field. Able to lead by example. Knowledge of More ❯
Principal Systems Engineer Competitive Salary Milton Keynes - Hybrid T2M Resourcing are working with a growing technology and manufacturing business to recruit a Principal Systems Engineer to lead systems requirements, design and architecture, testing, and overall V-Cycle activities. As a Principal Systems Engineer you … will specialise in managing systems activities and working with multi-discipline teams in software and hardware development. Duties of the Principal Systems Engineer: Leading systems activities across the V-Cycle alongside multi-discipline teams. Develop and manage requirements from product conception to delivery. Deliver functional safety activities to … such as FMEA and HAZOP and HARA. Support software team with development of models using Simulink/Matlab. Requirements to be successful as a Principal Systems Engineer: Degree level qualification in Systems Engineer, Electronics Engineering, Mechanical Engineering or similar field. Able to lead by example. Knowledge of More ❯
teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on PrincipalEngineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a … technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a PrincipalEngineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at least 60% hands-on) Managing and mentoring Staff Engineers … technical solutions with business needs Research and implement AI-driven development tools to boost productivity What we're looking for Proven experience as a PrincipalEngineer/Lead Engineer/Software Architect Proven hands-on coding experience with .NET, SQL Server, MongoDB, Angular/NextJS, AWS, and More ❯
to join the SYSTRA signature team and be part of leading the way in infrastructure design. Context Join Our Team at SYSTRA as a PrincipalEngineer - Bridges. Are you a dedicated and ambitious engineer with a passion for bridging design and project delivery? SYSTRA has an exciting … opportunity for a PrincipalEngineer to join our Bridges Engineering team. If you excel in leadership, interpersonal skills, and commercial awareness, we want you to be part of our high-performance team. Focused on the design of Conventional Rail and High-Speed Rail infrastructure, this role also supports … diverse projects and enjoy the flexibility of hybrid working while spending significant time at our client offices on site. Missions/Main Duties The PrincipalEngineer will be accountable for the design delivery of allocated engineering work packages, ensuring: Delivery of all the specified project outcomes on time More ❯