Principal Engineer jobs in High Wycombe

We are currently looking for a Chief / Principal Systems Engineer to lead system definition, architecture, and governance across complex e‑drive, inverter, motor, battery, and thermal domains. This role acts as a technical authority across the full systems V‑model, ensuring alignment between hardware, software, controls, and safety teams while shaping the future of advanced EV platforms. The...

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

You will define technical strategy, design scalable data systems, mentor senior engineers, and partner closely with product, engineering, analytics, and business leaders to transform strategic goals into robust, data-driven solutions.

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

Principal Electronics Engineer Copello are working with a defence client who are looking for a Principal Electronics Engineer to develop and maintain complex defence systems and products. This includes a wide range of communication, navigation and identification products for use in demanding aerospace environments. In this role you would be expected to provide innovative solutions to...

Select how often (in days) to receive an alert: Materials Analysis is an Oxford Instruments Business Unit that manages our Electron Microscopy and Mechanical Microscopy products, Atomic Force Microscopes, Raman Microscopes and Benchtop NMR Products. We are part of the wider Oxford Instruments Group that also includes Andor Technology, NanoScience, Plasma Technology and X-Ray Technology. With a...

Copello are working with a defence client who are looking for a Principal Electronics Engineer to develop and maintain complex defence systems and products. This includes a wide range of communication, navigation and identification products for use in demanding aerospace environments. In this role you would be expected to provide innovative solutions to challenging design and product sustainment...

Principal Electronics Engineer – Oxford Instruments GmbH Posted: 31 Oct 2025 | Location: High Wycombe, GB | Job Function: Technical | Business Unit: NanoAnalysis Materials Analysis is an Oxford Instruments Business Unit that manages our ELECTRON MICROSCOPE, MECHANICAL MICROSCOPE, ATOMIC FORCE MICROSCOPE, RAMAN MICROSCOPE and BENCHTOP NMR PRODUCTS. It is part of the wider Oxford Instruments...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Materials Analysis is an Oxford Instruments Business Unit that manages our Electron Microscopy and Mechanical Microscopy products, Atomic Force Microscopes, Raman Microscopes and Benchtop NMR Products. We are part of the wider Oxford Instruments Group that also includes Andor Technology, NanoScience, Plasma Technology and X-Ray Technology. With a sixty-year history, and fourteen Queen's Awards...

Senior / Principal Electrical Engineer – Water Sector Stantec – High Wycombe, England, United Kingdom The Opportunity Ready to apply your expertise to the most urgent climate, environmental, and efficiency challenges facing our communities? Join Stantec and step into a pivotal role within our growing Water Business, where your Electrical, Instrumentation, Control, and Automation (EICA)...

You will shape both how interactions are built and what expressive capabilities are possible, translating cutting-edge research into robust, real-world systems.

You will be proactive in developing relationships with colleagues from across the business, liaising with the wider ecology team and other technical teams, and supporting them through all stages of a project.

You will be joining our midlands team, based out of one of our three office locations in Birmingham, Leicester and Derby.

About Intellias Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and contributed to the success of the world's leading brands. The company is featured in the Inc 5,000 Europe and IAOP Global Outsourcing...

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

Principal Fire Engineer Stantec, High Wycombe, England, United Kingdom The Opportunity We're recruiting Principal Fire Engineers nationally. This role is ideal for a technically strong, client‐facing fire specialist who enjoys leading complex projects, mentoring teams, and shaping best practice within a thriving multidisciplinary business. About The Role Technical Leadership Lead the delivery...

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...

You will be involved with hydrology studies/analyses, hydraulic modelling and design and dam break and floodplain inundation studies.

You will be tasked with preparing reports and liaising with client teams. More information on Stantec’s Energy & Resources team can be found here: Stantec Energy Transition - UK

You will take responsibility for the leadership and mentoring of engineers within the project and you will support with the leadership of the civil engineering wider team.

You will also have access to Stantec’s world-class expertise to help you deliver cutting edge design.