City, Edinburgh, United Kingdom Hybrid / WFH Options
CreateFuture
our employee exit rate is astonishingly low. Join us on our journey Let's create something awesome, together, today. About the role: As a PrincipalEngineer you will work closely with clients, responsible for the successful delivery of client and internal projects through building professional relationships with key … Defines and implements technical strategies, ensuring best practices in architecture, security, and quality throughout all engineering and client projects. Engineering Leadership : Acts as Lead Engineer on client projects, overseeing RFPs and BIDs while collaborating with the sales team for effective execution. Consultancy & Business Growth : Applies a growth mindset, identifies More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
CreateFuture
our employee exit rate is astonishingly low. Join us on our journey Let's create something awesome, together, today. About the role: As a PrincipalEngineer you will work closely with clients, responsible for the successful delivery of client and internal projects through building professional relationships with key … Defines and implements technical strategies, ensuring best practices in architecture, security, and quality throughout all engineering and client projects. Engineering Leadership : Acts as Lead Engineer on client projects, overseeing RFPs and BIDs while collaborating with the sales team for effective execution. Consultancy & Business Growth : Applies a growth mindset, identifies More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
CreateFuture
our employee exit rate is astonishingly low. Join us on our journey Let's create something awesome, together, today. About the role: As a PrincipalEngineer you will work closely with clients, responsible for the successful delivery of client and internal projects through building professional relationships with key … Defines and implements technical strategies, ensuring best practices in architecture, security, and quality throughout all engineering and client projects. Engineering Leadership : Acts as Lead Engineer on client projects, overseeing RFPs and BIDs while collaborating with the sales team for effective execution. Consultancy & Business Growth : Applies a growth mindset, identifies More ❯
Lexington, Massachusetts, United States Hybrid / WFH Options
Raft
tech stack, and cloud-native ecosystem. We build digital solutions that impact the lives of millions of Americans. We're looking for an experienced Principal Platform Engineer to support our customers and join our passionate team of high-impact problem solvers. About the role: The Principal Platform … Engineer shall have senior software engineering experience building and operating hybrid-infrastructure developer platforms (private and commercial cloud infrastructure) at an Individual Contributor Level. A successful candidate has prior experience deploying Kubernetes in multiple ways and supporting automation of platform management at the enterprise scale. The engineer shall … have experience developing platform APIs that make common software operations scalable and repeatable. The engineer will feel comfortable maintaining the underlying services required to host containerized applications. The engineer will be at least a mid to senior-level engineer capable of mentoring junior developers and engineers. The More ❯
San Antonio, Texas, United States Hybrid / WFH Options
Raft
tech stack, and cloud-native ecosystem. We build digital solutions that impact the lives of millions of Americans. We're looking for an experienced Principal Platform Engineer to support our customers and join our passionate team of high-impact problem solvers. About the role: The Principal Platform … Engineer shall have senior software engineering experience building and operating hybrid-infrastructure developer platforms (private and commercial cloud infrastructure) at an Individual Contributor Level. A successful candidate has prior experience deploying Kubernetes in multiple ways and supporting automation of platform management at the enterprise scale. The engineer shall … have experience developing platform APIs that make common software operations scalable and repeatable. The engineer will feel comfortable maintaining the underlying services required to host containerized applications. The engineer will be at least a mid to senior-level engineer capable of mentoring junior developers and engineers. The More ❯
Cowes, Isle of Wight, United Kingdom Hybrid / WFH Options
BAE Systems (New)
Job Title: Principal Systems Engineer (Part Time or Full Time) Location: Isle of Wight - Cowes, Chelmsford - Great Baddow or Portsmouth - Broad Oak Salary: Up to £70,600 commensurate with skills and experience. Part time & accruing hours available Put yourself into a dynamic Principal Systems Engineering role at … programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Radar Software Team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new More ❯
while providing a decisive advantage to the warfighter. Come be a part of our mission. Northrop Grumman Space Systems is seeking an experienced Sr. Principal Network Engineer to support a program in Fairfax, VA. The candidates will be responsible for (but not limited to) the following tasks: • Design … as routers, multiplexers, firewalls, switches, bridges, gateways, etc. • Evaluate and report on new communication technologies to enhance capabilities of the network Basic Qualifications: Sr Principal Network Engineer BS + 8 years of exp; MS + 6 years of exp; PhD + 3 years of exp; or 12 years More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
WSP
world of opportunity and the chance to shape a career as unique as you. A little more about your role As a Senior/PrincipalEngineer, you will be pivotal in driving the delivery of civil and bridge engineering projects and will use your knowledge and skills to More ❯
Principal Go (Golang) Engineer | Stealth Fintech | London (Min. 4 days/week onsite in London) Up to £200k + Equity | Hybrid London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source … AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier 1 banks. We're looking for a PrincipalEngineer specialising in Go to lead v1 builds, define architecture, and ship mission-critical backend systems from scratch. What you’ll do: Design & scale a fault-tolerant ledger (Golang … distributed, multi-region infra with five-nines reliability Lead backend, DevOps, and CI/CD decision-making Embed AI into engineering workflows & ops Strong engineer with system engineering & system architectural experience; exceptional communicator across technical and non-technical audiences. Self-motivated, problem-solving mindset; open to non-traditional backgrounds. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Maze
Principal Go (Golang) Engineer | Stealth Fintech | London (Min. 4 days/week onsite in London) Up to £200k + Equity | Hybrid London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source … AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier 1 banks. We're looking for a PrincipalEngineer specialising in Go to lead v1 builds, define architecture, and ship mission-critical backend systems from scratch. What you’ll do: Design & scale a fault-tolerant ledger (Golang … distributed, multi-region infra with five-nines reliability Lead backend, DevOps, and CI/CD decision-making Embed AI into engineering workflows & ops Strong engineer with system engineering & system architectural experience; exceptional communicator across technical and non-technical audiences. Self-motivated, problem-solving mindset; open to non-traditional backgrounds. More ❯
Job title: Principal C&I Engineer Location: Barrow-in-Furness, Manchester, Frimley (Hybrid - Travel to Barrow 3-4 times per month will be required). We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary … Desirable Awareness of Defence Standards and Industry standards for example IEC 61508/61511, ARP 4754, DO-178C/DO-254 Be a chartered engineer or working towards this level Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share … Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Integration, Instrumentation and Controls equipment (I&ICE) team: As a Principal (C&I) Engineer you will be working in a sub systems engineering team, helping us to design, develop, integrate, manage and support control More ❯
ambition of 0 Killed or Seriously Injured Casualties on our local roads by 2040. To help achieve our ambition we are looking for a PrincipalEngineer with the following skills and experience to join the team. Experience of designing road engineering schemes - desirable with some safety related experience … the internal road safety auditors. Undertake the relevant duty holder's role under the Construction (Design and Management) Regulations 2015, in particular, Designer/Principal Designer, and help other to understand and undertake theirs . Phill Waddington is the manager for this role, please contact them on for an More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom
Belcan Technical Recruiting (UK) Ltd
Principal Embedded Software Engineer Milton Keynes Full time, permanent position Onsite 5 days per week Our client designs and develops innovative communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. They foster a dynamic, collaborative work environment that encourages learning and autonomy. If you More ❯
Principal Cloud Engineer (AWS) - Defence/SC Cleared Location: We are based in Aldgate, London. Our customers are based across the UK. Circa 2 days per week onsite in London is required, or less frequently for customers outside London. Salary: £110,000 - £130,000 Defence/SC Clearance … each individual; helping you to advance through our transparent career development pathways and achieve your career goals. About the role Cloudscaler is seeking a Principal Cloud Engineer who will be a thought leader within our engineering practice with extensive knowledge of platform and site reliability engineering best practices. More ❯
St. Neots, Cambridgeshire, United Kingdom Hybrid / WFH Options
Pico Technology Limited
Principal Software Development Engineer (C++) St. Neots, Cambridge, UK Software Engineering Full Time - Permanent Key information Full time - 40 hours a week St Neots, Cambridgeshire - hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will … the opportunity to lead key projects, contribute to feature design, and help shape the architectural direction of our products. Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They will … Data Structures (Desirable) Scripting Languages - PowerShell & Bash (Desirable) Embedded Linux - Linux Device Drivers (Desirable) Experience: Proven experience in C++ software development, ideally in a principal, senior or technical lead role. Strong understanding of software architecture and design patterns; experience with agile methodologies; expertise in debugging, technical debt resolution, and More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Pico Technology Limited
Principal Software Development Engineer (C++) St. Neots, Cambridge, UK Software Engineering Full Time - Permanent Key information Full time - 40 hours a week St Neots, Cambridgeshire - hybrid working optional (2-3 days a week in the office) Your role As a Principal Software Development Engineer, you will … the opportunity to lead key projects, contribute to feature design, and help shape the architectural direction of our products. Main Areas of Responsibility: The Principal Software Development Engineer will work to design and refine required features, proposing alternative solutions to improve both customer and developer experience. They will … Data Structures (Desirable) Scripting Languages - PowerShell & Bash (Desirable) Embedded Linux - Linux Device Drivers (Desirable) Experience: Proven experience in C++ software development, ideally in a principal, senior or technical lead role. Strong understanding of software architecture and design patterns; experience with agile methodologies; expertise in debugging, technical debt resolution, and More ❯
Barrow-In-Furness, Cumbria, North West, United Kingdom
JAM Recruitment Ltd
Principal Safety Engineer Initial 12 Month Contract Hybrid - 1-2 days per month on site in Barrow-in-Furness £87.83 Per Hour (Umbrella Rate - Inside IR35) The Role Derive and manage Product Safety requirements. Develop, implement and maintain the Safety Management System. Produce and manage Project Safety Management More ❯
Bournemouth, Dorset, United Kingdom Hybrid / WFH Options
The Talent Locker Ltd
Principal Test Engineer - C# SpecFlow, Selenium (Hybrid Working) Join an established team at a large, friendly organisation offering significant career progression, training, and a culture of development. If you have a background in test automation with skills in C#, SpecFlow, Selenium or NUnit, and are looking for a More ❯
Job Title : Principal Embedded Software Engineer 📍 Location : Newcastle Upon Tyne (Commutable from Middlesborough) 💰 Salary : £65,000 per annum 🌎 Infrequent international Travel opportunities Hybrid - 3 days per week 🌟 Embedded Software Engineer - Innovative Tech Solutions (Hybrid) 🌟 Are you an ambitious Embedded Software Engineer looking for a fulfilling and … of projects spanning IoT devices, medical systems, and more, they take pride in delivering exceptional products to a global clientele. Role Overview : As a Principal Embedded Software Engineer , you will play a pivotal role in a dynamic development team, responsible for designing, developing, and optimising embedded software solutions. … Your expertise will have a profound impact on products that reach millions of users worldwide. 🌎💥 Key Responsibilities - Embedded Software Engineer : Collaborating with cross-functional teams to gather product requirements and define software specifications. Designing and implementing embedded software solutions with a focus on performance, reliability, and efficiency. Conducting comprehensive More ❯
Job Title: PrincipalEngineer - Safety Location: Frimley, Weymouth, Bristol, Portsmouth, or Plymouth dependent on role and your personal circumstances. 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 More ❯
Job Title: Principal Shock and Dynamics Engineer Location: Filton, Frimley or Weymouth - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £61,500 dependent on experience What you'll be doing: The … working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Transversal Engineering team: As a PrincipalEngineer, you will be carrying out a variety of requirements and acceptance activities relating to the design and development of submarine combat systems. More ❯
Principal Embedded Software Engineer Milton Keynes Full time, permanent position Onsite 5 days per week Our client designs and develops innovative communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. They foster a dynamic, collaborative work environment that encourages learning and autonomy. If you More ❯
York, Yorkshire, United Kingdom Hybrid / WFH Options
Randstad Cpe London
Senior/Principal Bridge Engineer Location: York/Hybrid working. Salary: Circa £40,000 - £65,000 dependant on level of experience plus package including: Annual profit related bonus Early Professional Membership paid Company pension scheme Group Life Insurance Private Health Care Range of additional company benefits Summary A … firms, transport agencies, local authorities, engineering consultants, and private clients in Glasgow, Scotland, and throughout the UK is looking to hire a Senior or Principal Level Engineer to join their Bridge Team based in York. The successful candidate will report to the York Office Lead and work closely More ❯
Cowes, Isle of Wight, South East Hybrid / WFH Options
BAE Systems
Job Title: Land Radar Principal Systems Engineer Location: Isle of Wight - Cowes, Chelmsford - Great Baddow or Portsmouth - BroadOak Salary: Up to £70,600 commensurate with skills and experience. Part time & accruing hours available Put yourself into a dynamic Principal Systems Engineering role at the forefront of real … Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Radar Systems Engineering team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new More ❯
Job title: PrincipalEngineer - Mechanical Engineering Location: Weymouth, Filton, Frimley -We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 What you'll be doing: Reviewing combat design's and providing Mechanical More ❯