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Principal Engineer United Kingdom Jobs (On-site work)

49 Job Offers

Principal Firmware Engineer
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Join our team in Edinburgh as a Principal Firmware Engineer. You will deliver complex FPGA designs using VHDL and advanced verification (SystemVerilog/UVM) for next-generation digital systems. Leverage your expertise in high-speed interfaces and a full design lifecycle to lead and enhance UK-wide...
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United Kingdom , Edinburgh
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69.44 GBP / Hour
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Morson Talent
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Until further notice
Principal DevOps Engineer
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United Kingdom , London
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Not provided
Plasma
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Principal Software Engineer
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United Kingdom , High Wycombe
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Not provided
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CK Group
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Principal EC&I Engineer / Protection Engineer
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United Kingdom , Warrington
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Not provided
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ASSYSTEM
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Principal Engineer
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United Kingdom , London
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150000.00 GBP / Year
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Orbis Consultants
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Member of Technical Staff, Principal Mobile Engineer
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Join Microsoft AI in London as a Principal Mobile Engineer. Build the core Copilot experience for iOS or Android using Swift, Kotlin, or Java. Partner with cross-functional teams to ship world-class, consumer-grade AI applications in a fast-paced, design-driven environment.
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United Kingdom , London
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Microsoft Corporation
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Principal Software Engineer
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Lead a major digital transformation as a Principal Software Engineer. This initial 6-month contract outside IR35 requires expertise in TypeScript (Node/React), AWS, and event-driven MACH architecture. You will re-architect platforms to cloud-native microservices, providing technical vision and go...
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United Kingdom
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550.00 - 650.00 GBP / Hour
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Morson Talent
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Principal Electrical Engineer
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Lead electrical engineering for a global low-carbon energy leader at our Capenhurst site. You will manage a team delivering complex design solutions for major projects, ensuring safety and regulatory compliance. This role requires a Chartered Engineer with 10+ years' experience in regulated indus...
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United Kingdom , Capenhurst
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83175.00 - 92416.00 GBP / Year
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Morson Talent
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Principal Integrity Engineer
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Lead integrity assessments and risk-based strategies for conventional and clean energy power plants. This senior Derby-based role requires 10+ years' experience in pressure systems, defect assessment, and PSSR compliance. Enjoy a comprehensive benefits package including profit share, flexible wor...
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United Kingdom , Derby
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Risktec Solutions
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About the Principal Engineer role

Explore the pinnacle of technical leadership with Principal Engineer jobs. A Principal Engineer is a master-level technical expert and strategic leader within an engineering organization. This is not merely a senior role; it represents the apex of an individual contributor technical track, where influence, architectural vision, and deep expertise converge to shape the technological future of a company. Professionals in these roles are the go-to authorities for the most complex, high-impact challenges, setting technical standards and driving innovation across multiple teams or the entire organization.

The common responsibilities of a Principal Engineer are vast and critical to long-term success. Typically, they involve defining and driving the long-term technical strategy and architectural vision for major platforms or product suites. They are responsible for researching, prototyping, and selecting technologies that will scale to meet future business needs. A core part of their duties includes leading the design and implementation of complex, cross-functional systems, ensuring they are resilient, secure, and efficient. They serve as the ultimate escalation point for critical production issues, conducting deep-dive analysis and root cause investigations to resolve systemic problems. Furthermore, Principal Engineers have a significant mentorship and governance function, actively coaching senior and staff engineers, establishing best practices, and conducting rigorous code and design reviews to maintain exceptional quality across all engineering outputs. They are also key collaborators, working closely with engineering managers, product leaders, and enterprise architects to align technical execution with business objectives.

The typical skills and requirements for these high-level positions are extensive. A bachelor's or master's degree in computer science, engineering, or a related field is common, though equivalent demonstrable experience is often acceptable. Most roles require a minimum of 10+ years of progressive, hands-on software development or infrastructure engineering experience, with a significant portion spent in lead or architecture-focused positions. Essential technical skills include mastery of relevant programming languages and frameworks, profound knowledge of system design patterns and distributed architectures, and expertise in cloud platforms like AWS, Azure, or GCP. They must possess exceptional analytical and problem-solving abilities to deconstruct ambiguous, complex problems. Beyond technical prowess, superior soft skills are non-negotiable; this includes outstanding communication to articulate technical vision to both technical and non-technical stakeholders, proven leadership and influence without formal authority, and strategic business acumen. For those seeking to define technological frontiers and mentor the next generation of experts, Principal Engineer jobs offer a challenging and highly rewarding career path at the forefront of innovation.