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Principal United Kingdom, London Jobs

187 Job Offers

CDM Principal Designer
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40000.00 - 45000.00 GBP / Year
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Brandon James
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CDM Principal Designer
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45000.00 - 50000.00 GBP / Year
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Brandon James
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CDM Principal Designer
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50000.00 - 60000.00 GBP / Year
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Brandon James
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Global IT Director - Principal Security Engineer
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Boston Consulting Group
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Principal Engineer
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Boston Consulting Group
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Principal Site Reliability Engineering Expert Director
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Boston Consulting Group
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Principal SRE (AWS, Azure, Terraforms, Kubernetes)
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HotSchedules Corporate
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Principal AI Quality Engineer
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HotSchedules Corporate
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Principal Solutions Engineer
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OneTrust
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Principal Technical Safety Consultant (CFD)
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United Kingdom, London, Glasgow, Warrington or Edinburgh
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Risktec Solutions
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Principal / Senior Nuclear Safety Engineer
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United Kingdom, Greater London, Bristol or Gt Yarmouth
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Risktec Solutions
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Cdm Principal Designer
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50000.00 - 60000.00 GBP / Year
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Brandon James
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Principal Data Analyst
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95000.00 - 105000.00 GBP / Year
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Data Idols
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Building Regulation Principal Designer
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Join an employee-owned construction consultancy in London as a Building Regulation Principal Designer. You’ll ensure compliance across diverse projects, leveraging your ARB/ACIAT experience and RIBA/CIAT status. Enjoy exceptional work-life balance, a profit-share bonus, and strong career progress...
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60000.00 - 70000.00 GBP / Year
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Brandon James
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Principal Design Director
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Join a multidisciplinary consultancy as a Principal Design Director in London. This board-level role requires RIBA, CIAT, or Class 3 RBI registration with 15+ years in architecture or building control. Lead a close-knit team, manage Building Regulations and CDM risks, and drive client relationshi...
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110000.00 - 130000.00 GBP / Year
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Brandon James
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Principal Python Engineer
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Principal Python Engineer sought by Europe’s largest equities exchange for a senior individual contributor role in London. You will lead complex data pipeline and event streaming projects, mentor engineers globally, and drive new product features. Requires expert Python, advanced SQL, Kafka, Airf...
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135000.00 - 145000.00 GBP / Year
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Signify Technology
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Principal Technical Program Manager - FDE - Security Check (SC) Clearance
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Lead complex technical programs for UK Defense & Intelligence as a Principal TPM at Microsoft. This London-based role requires SC Clearance and blends AI, cloud, and data engineering to deliver production-ready solutions. You will embed with strategic customers, driving end-to-end outcomes with h...
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93500.00 - 161800.00 GBP / Year
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Microsoft Corporation
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Principal Product Manager - Payments
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Principal Product Manager - Payments role in London, UK. Lead B2B card programs and payment rails at Medius, a global spend management leader. Requires 7+ years in SaaS/fintech with deep expertise in virtual/commercial cards and US/UK/EU payment systems. Drive innovation in AP automation with com...
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Medius
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Principal QHSES Assurance Specialist
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Seeking a Principal QHSES Assurance Specialist in London to lead risk-based assurance programs for major Oil & Gas EPC projects. This senior role demands 12-15 years’ experience, ISO 9001/14001/45001 Lead Auditor certification, and deep knowledge of IOGP OMS. You will provide independent opinions...
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McDermott
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Principal Delivery Manager
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Principal Delivery Manager sought to lead complex public sector engagements across the UK. You will drive digital transformation, build trusted advisor relationships, and coach high-performing teams. Requires deep public sector experience, bid leadership, and a user-centric approach. Benefits inc...
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United Kingdom, Any UK Office Hub (Bristol / London / Manchester / Swansea)
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80000.00 - 100000.00 GBP / Year
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Made Tech
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About the Principal role

A Principal role represents a senior leadership position found across various industries, from construction and engineering to technology and product management. Individuals in these jobs are trusted with high-level strategic oversight, complex problem-solving, and driving significant organizational impact. Unlike entry-level or mid-career positions, Principal jobs typically require a deep well of specialized expertise, a proven track record of leadership, and the ability to influence direction without direct managerial authority over every team member.

In a professional context, a Principal is often the highest individual contributor or a senior team lead responsible for shaping the vision and execution of critical initiatives. For example, in design and construction sectors, a Principal Designer focuses on risk management from the earliest stages of a project. They ensure that health and safety regulations, such as the CDM Regulations 2015, are integrated into the design process, mitigating hazards before construction begins. This involves leading cross-functional coordination, conducting design reviews, and ensuring a seamless handover to contractors.

In technology and business strategy, Principal Product Managers own the end-to-end lifecycle of complex service portfolios or product lines. They are responsible for defining strategy, developing business cases, and launching innovative offerings that drive customer adoption and revenue growth. These roles demand a data-driven approach to decision-making, strong cross-functional leadership, and the ability to influence executives and stakeholders across engineering, sales, marketing, and customer success teams. Common responsibilities include market analysis, competitive benchmarking, pricing strategy, and building go-to-market plans.

Typical skills required for Principal jobs include exceptional communication and presentation abilities, strategic thinking, and a high degree of autonomy. Candidates usually possess a bachelor’s or master’s degree in a relevant field, combined with significant experience—often eight or more years in a related domain. Technical proficiency is critical, whether in understanding network security, cloud infrastructure, or construction regulations. Soft skills such as negotiation, mentorship, and the ability to drive alignment in matrixed organizations are equally important.

Ultimately, Principal jobs are about leading from the front, solving the most challenging problems, and setting the standard for excellence within an organization. Whether mitigating risk on a construction site or defining the future of a software platform, these professionals are integral to driving meaningful, lasting results.