20 of 20 Permanent Principal Engineer Jobs in the Thames Valley

Principal Software Engineer

Location
Milton Keynes, England, United Kingdom
Principal Software Engineer Salary: £75,000 – £85,000 + Benefits Location: Hybrid 1 day every other week – Milton Keynes We are currently looking for a Principal Software Engineer to join a growing, technology-led SaaS organisation that is investing heavily in its engineering capability and modern … collaborative, forward-thinking engineering team where you’ll have genuine influence over technical direction rather than simply delivering features. Reporting into the CTO, the Principal Software Engineer will play a pivotal role in shaping software architecture, establishing engineering best practice, and mentoring other engineers across the business. This ...

Principal Engineer

Location
Milton Keynes, England, United Kingdom
employee benefits and engagement by bringing to life a personalized and sustainable employee experience, at work and beyond. Permanent Regular Job Description: The Principal Engineer is the senior individual contributor responsible for technical leadership, solution architecture and engineering excellence across Pluxee UK’s .NET-based digital products … platforms. s a Principle Engineer you will expected to: Own and influence end-to-end technical direction across product discovery, design, delivery and operation. It combines hands‐on engineering with architectural leadership, ensuring that solutions are secure, scalable, resilient, maintainable and aligned with measurable business outcomes. Support and enhance ...

Principal Software Engineer (AI)

Location
Oxford, England, United Kingdom
Principal Software Engineer (AI) Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to considering candidates who require visa sponsorship (subject to eligibility and company approval) Aurora helps governments, investors, and utilities make billion-dollar decisions … work in a dynamic and growing engineering organisation that builds cloud-based software to track and model power grids around the world. As a Principal Software Engineer on the AI team you will build systems where LLMs autonomously plan, and call tools, to navigate large, multi-dimensional, fast ...

Principal Antenna Engineer

Hiring Organisation
Copello
Location
Buckingham, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
Principal Antenna Design Engineer- Buckinghamshire (Hybrid) - £85,000-Permanent Ready to shape the future of antenna technology? Are you an experienced antenna design engineer ready to take the lead on complex, cutting-edge RF solutions? This is your opportunity to make a real impact, developing advanced antenna ...

Principal Data Platform Engineer

Hiring Organisation
RWS
Location
Royal Borough of Windsor and Maidenhead, United Kingdom
Employment Type
Full Time
inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Principal Data Platform Engineer Job LocationsUK-Maidenhead | RO-Remote | IN-Bangalore | CZ-BrnoPosted Date13 hours ago(20/10/2026 09:00)Job ID2026 … 6722# of Openings1CategoryInformation TechnologyBanding7 Job Purpose As a Principal Data Platform Engineer at RWS, you will be the most senior technical authority on our data platform. You will architect and implement a scalable Google Cloud Platform (GCP) data platform, setting the engineering standards, patterns and guardrails that ...

Principal RFIC Design Engineer

Location
Reading, England, United Kingdom
seeking a Principal RFIC Design Engineer for our Reading-based client; a leading developer of cellular transceiver technology. At least 3 days a week in the office would be required with this role. Here the Principal RFIC Design Engineer will be the central point of expertise ...

Principal Project Engineer

Location
Reading, England, United Kingdom
support of community service projects to social events that foster fun and relationship building across our global community. The Role We are seeking a Principal Project Engineer to serve as project technical lead delivering complex SCADA/EMS/GMS/ADMS solutions using AspenTech’s Digital Grid ...

Principal FPGA Design Engineer - Oxfordshire

Hiring Organisation
Morgan McKinley (South West)
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £120000/annum Bonus
Role: Principal FPGA Design Engineer Location: Oxfordshire Package: £80k - £120k + Bonus + Generous Benefits About the Business: We are partnering with a pioneering UK technology innovator developing next-generation medical device technologies. Operating globally, they combine hardware, custom silicon, and complex data processing to transform global healthcare ...

Principal Java Engineer - Payments, Low-Latency Real-Time

Location
Milton Keynes, England, United Kingdom
Partners is seeking a Principal Java Engineer to join our high-performing team in the UK. You will own the design and optimization of low-latency, high-throughput backend systems for payments, building secure RESTful APIs and scalable microservices. In this hybrid role, you will deploy and monitor ...

Principal Software Engineer – Robotics Platform

Location
Oxford, England, United Kingdom
that help scientific and enterprise customers automate complex physical workflows across laboratory instruments, robotics systems, scientific data, and cloud services. We are seeking a Principal Software Engineer to help design and build the Robotics Automation Platform. This is a senior hands-on individual-contributor role for an engineer ...

Principal Electronics Engineer

Location
Maidenhead, England, United Kingdom
capabilities, generating highly differentiated solutions and products by applying electronic, mechanical, and software technologies in demanding and critical environments to meet customer needs. The Principal Electronics Engineer will be responsible for research, design and development of digital and analogue electronics within the Hardware Engineering team. A professional ...

Principal EC&I Engineer

Location
Abingdon, England, United Kingdom
discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business. About the Opportunity Amentum are recruiting a Principal EC&I Engineer to join our Fusion team, which has recently won several important projects and has a host of exciting new opportunities … based in our Culham and Harwell offices and there may be a need for periodic visits to client sites, as projects require. The Fusion Principal EC&I Engineer will be responsible for contributing to and leading delivery of fusion projects for multiple customers in the UK and internationally ...

Principal Systems Test & Automation Engineer

Location
Oxford, England, United Kingdom
already deployed internationally in clinical trials, primarily with pharmaceutical companies, and its use is growing rapidly. The Role We are looking for a Principal Systems Test & Automation Engineer to take significant technical ownership of testing and test automation across the Albus platform. This is a senior, hands … engineering productivity. Contribute to the continuing development of Albus's testing strategy, processes and quality system. About You You are a senior test engineer with strong automation skills, systems thinking, technical curiosity, initiative and a strong sense of ownership . You enjoy getting deeply into how complex systems work ...

Principal Systems Engineer (Lead)

Location
Maidenhead, England, United Kingdom
/inter-discipline approach and assures the cross-discipline solution/products support a compliant system, offering a means to gain stakeholder acceptance. The Principal Systems Lead role is responsible for, and assures, a hierarchical implementation of the ISO 15288 processes and practices across the Systems Engineering life cycle … minimal guidance and may mentor project managers/other discipline engineers/early careers. Key Responsibilities Represents the Systems discipline as the lead Systems Engineer assigned to a project, owning the totality of the Systems assigned work packages and tasking, to deliver obligations and commitments to the enabling technical ...

Principal Systems Engineer IVV

Location
Maidenhead, England, United Kingdom
Company: Ultra Intelligence & Communications Cyber (UK) Business Powering Decision Join the team redefining defense technology. From engineering systems that save lives to leading programs that change the battlefield—find your place in the future of ...

Principal Embedded Software Engineer

Location
Abingdon, England, United Kingdom
This role is based at our Milton Park (Abingdon) office. The expectation is at least 3 days per week in the office. Applicants must have the right to live and work in the UK. Your ...

Principal Embedded Software Engineer I

Location
Milton Keynes, England, United Kingdom
At CesiumAstro , we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work ...

Principal Robotics Automation Platform Engineer

Location
Oxford, England, United Kingdom
Infrastructure is building a Robotics Automation Platform to automate complex workflows across laboratory instruments, robotics systems, scientific data, and cloud services. We seek a Principal Software Engineer to design and implement core platform services, and to lead the foundation for the first pilots. The role is a senior ...

Principal Simulation Engineer – Electric Propulsion

Location
Bicester, England, United Kingdom
Evolito Limited is seeking a Principal Technical Specialist - Simulation to lead the development of plant models for electric propulsion systems and power electronics. You will work in a fast-growing R&T team, building model-based simulations in MATLAB/Simulink to optimise performance of e-motors, gearboxes, batteries ...

Principal Power Electronics Engineer, Aerospace R&T

Location
Bicester, England, United Kingdom
Evolito Limited is seeking a Principal Technical Specialist - Power Electronics in the UK to lead the development of high-performance power electronic systems for all-electric and hybrid-electric aircraft. You will shape architectures, drive design reviews, and ensure engineering excellence across teams and suppliers. We expect a strong ...