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 … 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 … 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 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 … 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 … 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 More ❯
The Team Senior/Principal Secondary Design Engineer - UK Be an Expert in Secondary Substation Design Are you an experienced Electrical Design Engineer with expertise in substation secondary design , including protection and control systems ? We are looking for a Senior/PrincipalEngineer to lead … edge solutions for some of the most challenging and prestigious projects in the UK and internationally. The Role The Role As a Senior/Principal Secondary Design Engineer, you will lead the design and delivery of protection and control systems , working on projects from concept through detailed design … Constructability : Assess feasibility and address site-specific challenges to ensure successful delivery. The Skills Essential Skills Degree in Electrical Engineering or related field. Chartered Engineer status (or working towards). Experience in secondary substation design for AIS/GIS systems up to 400kV . Proficiency in developing protection philosophies More ❯
Principal Machine Learning Engineer Paying between £100,000-£140,000 Hybrid in Central London La Fosse is partnered with a leading insurance company who are looking for an experienced Principal Machine Learning Engineer to drive their AI innovation at scale. They are looking for someone to … experience in the insurance or financial sector is beneficial. If you're interested in this role, apply through the AD to find out more! Principal Machine Learning EngineerMore ❯
At AKQA the PrincipalEngineer role is at the pinnacle of both software and cloud engineering & web development disciplines. An engineer who has achieved mastery of their craft and relishes new challenges and is comfortable researching, adopting and shaping new technologies, inside and out of their proven … domain of experience, drawing parallels from across the technology landscape. This role shares similarities with 'Staff Engineer' in other organisations and demonstrates thought and practical leadership within our engineering capability. AKQA believes in the imaginative application of art and science to create beautiful ideas, products and services. With an … world renowned thought leadership from all disciplines and working with some of the brightest minds in their fields. You should be an established lead engineer and practitioner of the latest web and cloud technologies; building best in class digital applications, serving users on the modern technology landscape, whatever that More ❯
Principal Software Engineer/Lead Software Engineer/C++/Rust A well-funded technology start-up operating at the forefront of AI has secured significant multimillion-pound investment. The company is developing a truly unique software platform that transforms how organizations interact with autonomous systems and … the data they generate—bringing disparate technologies together and making them more user-friendly. You will join as a Principal Software Engineer - C++/Rust , the critical hire for this specific team. This position offers full ownership and autonomy from day one, and you will play a key … double in size over the coming months, it's an exciting time to join the business during a period of rapid growth. As the Principal Software Engineer, you’ll have the opportunity to build a team around you and make key strategic decisions shaping the company’s future. More ❯
Principal Software Engineer/Lead Software Engineer/C++/Rust A well-funded technology start-up operating at the forefront of AI has secured significant multimillion-pound investment. The company is developing a truly unique software platform that transforms how organizations interact with autonomous systems and … the data they generate—bringing disparate technologies together and making them more user-friendly. You will join as a Principal Software Engineer - C++/Rust , the critical hire for this specific team. This position offers full ownership and autonomy from day one, and you will play a key … double in size over the coming months, it's an exciting time to join the business during a period of rapid growth. As the Principal Software Engineer, you’ll have the opportunity to build a team around you and make key strategic decisions shaping the company’s future. More ❯
Contract Role: PrincipalEngineer – ForgeRock (IAM) Location: London (Hybrid – 2 days onsite) Rate: Up to £800/day (PAYE) Duration: 6 months Start Date: 21 April 2025 IR35 Status: PAYE A leading financial services organisation is seeking a ForgeRock SME with deep expertise in IAM and application server More ❯
london, south east england, United Kingdom Hybrid / WFH Options
JCW
Contract Role: PrincipalEngineer – ForgeRock (IAM) Location: London (Hybrid – 2 days onsite) Rate: Up to £800/day (PAYE) Duration: 6 months Start Date: 21 April 2025 IR35 Status: PAYE A leading financial services organisation is seeking a ForgeRock SME with deep expertise in IAM and application server More ❯
Job Title: PrincipalEngineer - Embedded Software Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software solutions for new and … PM Requirements Must be based in the UK to apply. Ability to commute or to relocate . If you are an ambitious and experienced engineer with a passion for innovation, leadership, and an inclination toward the automotive technology , we would be delighted to hear from you More ❯
Job Title: PrincipalEngineer - Embedded Software Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software solutions for new and … PM Requirements Must be based in the UK to apply. Ability to commute or to relocate . If you are an ambitious and experienced engineer with a passion for innovation, leadership, and an inclination toward the automotive technology , we would be delighted to hear from you More ❯
Principal Electrical Design Engineer (Data Centres) - London RED are an expanding international M&E consultancy, with a proven track record in low energy design, focused on providing excellent design solutions to clients. Through our market leading technical expertise, we enable the world’s digital infrastructure and develop the … project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We are seeking a fully experienced Principal Electrical Engineer to be based in our London office with the ability to inspire others. You will have a minimum of seven years More ❯
london, south east england, United Kingdom Hybrid / WFH Options
RED Engineering Design
Principal Electrical Design Engineer (Data Centres) - London RED are an expanding international M&E consultancy, with a proven track record in low energy design, focused on providing excellent design solutions to clients. Through our market leading technical expertise, we enable the world’s digital infrastructure and develop the … project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We are seeking a fully experienced Principal Electrical Engineer to be based in our London office with the ability to inspire others. You will have a minimum of seven years More ❯
Position Overview: An exciting opportunity for a forward-thinking full stack engineer who thrives on producing customer facing digital experiences. You will join a leading name in the food and beverage market with 500+ stores across the world. As a Mobile PrincipalEngineer, you will be responsible … the product roadmap and development processes Champion continuous improvement, performance optimisation, and security throughout the development lifecycle Skills: Proven experience as a hands-on engineer with proficiency in Kotlin Hands on experience in backend API development using Node.js will be an advantage Experience in technical decision making guiding the More ❯
and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled PrincipalEngineer with a passion for data, cloud technologies, and building robust, scalable solutions - who also brings strategic product thinking and cross-functional leadership More ❯
with both wireless and video technologies. Founded in 1972, InterDigital is listed on Nasdaq. InterDigital is a registered trademark of InterDigital, Inc. As a PrincipalEngineer - 6G Standards Research, you will join our 6G research team and contribute to the development of innovative solutions, algorithms and protocols addressing More ❯
Title : Principal Software Engineer Company : HPC R&D Location : London (Hybrid) Pay : Up to £150,000 Company : An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because they … technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Principal Software Engineer position with an emphasis on GPU compiler development in the context of AI. You will be working with Triton, but any … edge compiler development project. Significant hires have already been made in the team to support this role. About you: 6 years+ as a compiler engineer Strong C++ programming skills Experience with Triton, LLVM, MLIR or other compilers Experience with GPU architectures Full details are available. Please don't hesitate More ❯
Principal Product Security Engineer Apply locations CZ - Prague UK - London time type Full time posted on Posted 6 Days Ago job requisition id JR103958 Our Product Security team is seeking a Principal Product Security Engineer to define and lead a secure development strategy and approach in More ❯
decentralized large AI model inference and fine tuning platform. Other customers include ZKSync and Starkware. The Protocol & Innovation Team We are looking for a Principal Blockchain Engineer who will help develop core blockchain node software, blockchain infrastructure/tooling, and other low-level software for various blockchain networks … zkSync, Starkware, and Polkadot. Problem domains include cryptography, security, networking, game theory, zero knowledge, finance, political science, and programming language design. The Role The PrincipalEngineer is responsible for scoping, designing, and implementing web3 and blockchain solutions across a variety of technology stacks. They will work with the More ❯
the next 2-3 years and becoming an Insurtech Unicorn with a $1B valuation. Ambitious? Absolutely. Achievable? Without a doubt. Your Mission As a PrincipalEngineer, you will play a pivotal role in shaping the technical direction and delivery excellence of our engineering organisation. You will partner with More ❯
One of the most established consultancies in London are looking for a PrincipalEngineer to join their rail team, you will join a vibrant and successful engineering practice that are always looking for innovative ways to work. You will be joining their headquarters in London, but they have More ❯
Principal/Staff Level Ruby Engineer - London - £130k + Equity About the Role: This Staff/PrincipalEngineer will play a crucial role in developing core services and infrastructure, mentoring team members, and collaborating with product leadership to drive technical decisions. You'll have the opportunity More ❯
Principal/Staff Level Ruby Engineer - London - £130k + Equity About the Role: This Staff/PrincipalEngineer will play a crucial role in developing core services and infrastructure, mentoring team members, and collaborating with product leadership to drive technical decisions. You'll have the opportunity More ❯
in AWS Microservices and event-driven architectures in Typescript and Python CI/CD, IaC and a strong testing culture As our most senior Engineer, you will play a pivotal role in the design and development of this platform, taking ownership of engineering architecture and working directly on our … create a path for continuous personal and professional growth within the engineering team. Who we are looking for You're a Lead, Staff or PrincipalEngineer who thrives in high-growth environments, enjoys tackling complex technical challenges, and is driven by the opportunity to shape the future of 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 ❯
