CrawlJobs Logo
Briefcase Icon
Category Icon

Principal Engineer United Kingdom Jobs

115 Job Offers

Filters
New
Principal Systems Integration Engineer - Rail
Save Icon
Lead Systems Integration and Assurance for major rail projects across the UK and internationally. Provide technical leadership in engineering assurance, safety (CSM/CDM), and multi-party system integration. Mentor teams and drive consistency on metro, high-speed, and heavy rail designs. This role...
Location Icon
Location
United Kingdom , London; Birmingham; Manchester
Salary Icon
Salary
Not provided
egis-group.com Logo
Egis in the UK
Expiration Date
Until further notice
New
Principal Civil Engineer
Save Icon
Lead major civil engineering projects in Glasgow's nuclear sector. This senior role requires a Chartered Engineer with expertise in steel/concrete structures, Eurocodes, and UK nuclear regulations. You will ensure technical compliance and safety across the full project lifecycle, from concept des...
Location Icon
Location
United Kingdom , Glasgow
Salary Icon
Salary
Not provided
assystem.com Logo
ASSYSTEM
Expiration Date
Until further notice
New
Principal Platform Engineer
Save Icon
Lead a greenfield infrastructure modernization at a premier London hedge fund. This Principal Platform Engineer role requires 15+ years of experience, deep Kubernetes and cloud expertise, and a business-oriented mindset. You will own the architectural strategy, bridging technical vision and execu...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
New
Principal Platform Engineer
Save Icon
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
100000.00 - 130000.00 GBP / Year
dataidols.com Logo
Data Idols
Expiration Date
Until further notice
New
Principal Design Controls Engineer
Save Icon
Lead complex control and instrumentation (C&I) design projects in London as a Principal Engineer. Provide technical leadership, ensure compliance with UK/IE regulations and safety standards, and drive system architecture. This senior role offers a company car/allowance, pension, and a comprehensi...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
vitalenergi.co.uk Logo
Vital Energi Utilities Limited
Expiration Date
Until further notice
New
Mechanical Design Engineer - Principal Level
Save Icon
Location Icon
Location
United Kingdom , Cambridgeshire
Salary Icon
Salary
Not provided
vitalenergi.co.uk Logo
Vital Energi Utilities Limited
Expiration Date
Until further notice
Principal Thermal Mechanical Engineer
Save Icon
Lead thermal design for cutting-edge naval radar systems at BAE Systems. This principal role requires expertise in heat transfer and thermal system design for electronics, alongside strong leadership and mentoring skills. Enjoy a competitive package with flexible working, based in Cowes/Great Bad...
Location Icon
Location
United Kingdom , Cowes / Great Baddow
Salary Icon
Salary
51.68 GBP / Hour
outsource-uk.co.uk Logo
Outsource UK
Expiration Date
Until further notice
Principal Engineer
Save Icon
Shape the architecture of a rapidly scaling tech platform as a Principal Engineer in London. Design and evolve large-scale, distributed backend systems using Golang. Tackle complex challenges in performance, scalability, and reliability within an engineering-led culture. Join a small, experienced...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
New
Principal Systems Engineer
Save Icon
Shape the technical direction of cutting-edge IoT products for a global innovator. As a Principal Systems Engineer in Cambridge, you will drive development across the full systems lifecycle. Lead high-calibre teams and influence strategy in a mission-critical, collaborative environment.
Location Icon
Location
United Kingdom , Cambridge
Salary Icon
Salary
90000.00 GBP / Year
oho.co.uk Logo
Oho Group Ltd
Expiration Date
Until further notice
New
Principal Systems Safety Engineer
Save Icon
Lead major UK and international rail projects as a Principal Systems Safety Engineer. You will manage all safety assurance, risk analysis, and compliance with CSM, ROGS, and TSIs. This role requires extensive rail engineering experience, strong leadership, and the right to work in the UK. Key loc...
Location Icon
Location
United Kingdom , London; Birmingham; Bristol; Manchester
Salary Icon
Salary
Not provided
egis-group.com Logo
Egis in the UK
Expiration Date
Until further notice
New
Principal Mechanical Engineer
Save Icon
Lead major capital projects as a Principal Mechanical Engineer in Portsmouth. This role requires extensive mechanical design, construction industry experience, and professional qualifications (CIBSE preferred). You will provide technical leadership, manage teams, and ensure compliance with all re...
Location Icon
Location
United Kingdom , Portsmouth
Salary Icon
Salary
52412.00 - 56759.00 GBP / Year
portsmouth.gov.uk Logo
Portsmouth City Council
Expiration Date
Until further notice
New
Principal Systems Engineer
Save Icon
Lead innovation in maritime technology as a Principal Systems Engineer. This Dorset-based role requires strong MBSE, SysML, and IBM DOORS expertise within complex defence systems. You will define system architecture, lead requirements engineering, and ensure compliance with defence standards. The...
Location Icon
Location
United Kingdom , Dorchester
Salary Icon
Salary
Not provided
morson.com Logo
Morson Talent
Expiration Date
Until further notice
New
Principal Thermal Mechanical Engineer
Save Icon
Lead the mechanical engineering for cutting-edge radar technologies on the Isle of Wight. This principal role requires expert thermal-mechanical knowledge, from design to test of complex systems. You will provide technical guidance, mentor staff, and ensure project delivery. CEng status or equiva...
Location Icon
Location
United Kingdom , Isle of Wight
Salary Icon
Salary
81.05 GBP / Hour
morson.com Logo
Morson Talent
Expiration Date
Until further notice
New
Principal Engineer- Payments
Save Icon
Lead the technical architecture and evolution of a multi-rail Payments Platform in London. You will define engineering standards, ensure scalability/compliance, and mentor teams. This senior role offers private medical care, pension, and a competitive holiday allowance.
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
Principal Infrastructure Platform Engineer
Save Icon
Lead enterprise-wide platform strategy and technical direction as a Principal Infrastructure Engineer. This Sheffield-based role requires 3 days on-site weekly, focusing on reducing systemic risk and scaling impact through architecture, CI/CD, and security. Strong expertise in IAM, network topolo...
Location Icon
Location
United Kingdom , Sheffield
Salary Icon
Salary
Not provided
whitehallresources.com Logo
Whitehall Resources Ltd
Expiration Date
Until further notice
Principal Structural Engineer
Save Icon
Lead the design of prestigious UK construction projects as a Chartered Principal Structural Engineer in Newcastle. This key role requires expertise in Tekla, Tedds, and multi-material design within an international consultancy. You will drive business development and lead local and international ...
Location Icon
Location
United Kingdom , Newcastle
Salary Icon
Salary
Not provided
cundall.com Logo
Cundall
Expiration Date
Until further notice
Principal Fire Engineer
Save Icon
Join Amentum's Energy business as a Principal Fire Engineer. Develop fire safety strategies and conduct modelling for UK nuclear projects, including New Build and Life Extension. This role offers flexible UK locations, professional development support, and comprehensive benefits like medical cover.
Location Icon
Location
United Kingdom , Newcastle; Glasgow; Warrington; Gloucester; Bristol; Knutsford
Salary Icon
Salary
Not provided
amentum.com Logo
Amentum
Expiration Date
Until further notice
Database Principal Engineer
Save Icon
Lead our database strategy as a Principal Engineer in Sheffield. You'll architect next-generation DBaaS/PaaS solutions, ensuring high availability and security. This senior role requires 10+ years' experience, deep expertise in relational/NoSQL databases, and SRE/DevOps practices. Drive technical...
Location Icon
Location
United Kingdom , Sheffield
Salary Icon
Salary
Not provided
whitehallresources.com Logo
Whitehall Resources Ltd
Expiration Date
Until further notice
Principal Process Safety / Functional Safety Engineer
Save Icon
Lead process safety initiatives for a UK-based manufacturing leader. Facilitate key hazard studies (PHA/HAZOP/LOPA) and drive functional safety (SIL/SIS) in projects. Requires a Chemical Engineering degree, CFSE/TUV qualification, and strong risk assessment expertise. Enhance safety performance a...
Location Icon
Location
United Kingdom
Salary Icon
Salary
Not provided
srgtalent.com Logo
SRG
Expiration Date
Until further notice
Principal Engineer
Save Icon
Join Barclays as a Principal Engineer in Knutsford or London. Drive technical excellence, design scalable systems, and mentor engineering teams within Business Banking Technology. This strategic role offers competitive benefits, including private medical care and pension contribution, while shapi...
Location Icon
Location
United Kingdom , Knutsford; London
Salary Icon
Salary
Not provided
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
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.

Filters

×
Countries
Category
Location
Work Mode
Salary