Job offers - CrawlJobs

Principal United Kingdom Jobs (On-site work)

104 Job Offers

Principal Mechanical Critical Systems Engineer
Save Icon
Location Icon
Location
United Kingdom, Birmingham, London, Manchester, Newcastle, Warsaw, Madrid
Salary Icon
Salary
Not provided
cundall.com Logo
Cundall
Expiration Date
Until further notice
Principal Production Engineer
Save Icon
Principal Production Engineer sought to lead manufacturing and NPI in Poynton, UK. This role demands expertise in DFM, DFT, and RF systems within bespoke electronics environments. You will drive quality, efficiency, and customer satisfaction while enjoying 23 days holiday, flexible working, and a...
Salary Icon
Salary
Not provided
jobs.360resourcing.co.uk Logo
360 Resourcing Solutions
Expiration Date
Until further notice
Principal Fire Engineer
Save Icon
Principal Fire Engineer role in Manchester with a leading consultancy. Deliver complex fire safety strategies, lead technical reviews, and mentor junior engineers. Requires 5+ years’ experience, UK legislation knowledge, and strong project management skills. Benefits include 27 days leave, privat...
Salary Icon
Salary
60000.00 - 65000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Principal Designer for CDM and Building Regulations
Save Icon
Principal Designer sought for a 50/50 CDM and Building Regulations role in London. Join a multidisciplinary consultancy, managing risk on large-scale Commercial, Healthcare, and complex Residential projects. Requires 5+ years in Architectural or CDM Principal Design, with APS or ARB certification...
Salary Icon
Salary
70000.00 - 80000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Principal Software Engineer
Save Icon
Principal Software Engineer sought for a high-impact role in London, UK, focusing on Workload Identity. You will design and develop secure communication solutions using Golang, Kubernetes, and cloud technologies. This position requires deep expertise in security, networking, and enterprise-scale ...
Salary Icon
Salary
Not provided
paloaltonetworks.com Logo
Palo Alto Networks
Expiration Date
Until further notice
Principal Building Automation Engineer
Save Icon
Cundall seeks a Principal Building Automation Engineer to lead BMS, DDC, SCADA, and PLC design across UK offices (Birmingham, Bristol, Edinburgh, London, Manchester, Newcastle). You will collaborate with multidisciplinary teams on innovative controls for mechanical plant and electrical monitoring...
Location Icon
Location
United Kingdom, Birmingham, Bristol, Edinburgh, London, Manchester, Newcastle
Salary Icon
Salary
Not provided
cundall.com Logo
Cundall
Expiration Date
Until further notice
Principal Technical & Complex Claims Leader
Save Icon
Principal Technical & Complex Claims Leader sought to shape the future of motor insurance with Prima (part of AXA Group) in Manchester. This senior role demands 10+ years of UK Motor Insurance leadership, driving claims transformation and managing multi-million pound portfolios. You will design i...
Salary Icon
Salary
Not provided
prima.it Logo
Prima
Expiration Date
Until further notice
Senior Principal Mechanical Engineer
Save Icon
Senior Principal Mechanical Engineer sought to lead the Cooling Water Island team for a groundbreaking Small Modular Reactor (SMR) program in Newcastle upon Tyne. Drive FEED to detailed design, ensure regulatory compliance, and manage multidisciplinary teams. Requires Chartered Engineer (CEng) st...
Location Icon
Location
United Kingdom, Newcastle upon Tyne
Salary Icon
Salary
Not provided
assystem.com Logo
ASSYSTEM
Expiration Date
Until further notice
Assistant CDM Principal Designer
Save Icon
Join a friendly, experienced CDM team in Kent as an Assistant CDM Principal Designer. You will support risk management during the design stage, review Construction Phase Plans, and conduct site inspections. Ideal candidates have 1+ year in construction/H&S, a relevant degree, and a NEBOSH certifi...
Salary Icon
Salary
38000.00 - 45000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Cdm Principal Designer
Save Icon
CDM Principal Designer role in Northampton with a leading multi-disciplinary consultancy. You will lead major projects across complex sectors, leveraging long-standing frameworks for stability and growth. Ideal for an experienced CDM professional (2+ years, APS/IOSH membership) seeking work-life ...
Salary Icon
Salary
50000.00 - 55000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Principal Security Assurance & Compliance Manager
Save Icon
Principal Security Assurance & Compliance Manager role at Vodafone in Newbury, UK. Lead cyber security compliance, risk assessments, and GR&C frameworks across global cloud infrastructure. Requires 5+ years in ISO 27001, NIST, GDPR, and emerging EU regulations. Drive regulatory assurance, manage ...
Salary Icon
Salary
Not provided
vodafone.com Logo
Vodafone
Expiration Date
Until further notice
Principal Engineer - Test
Save Icon
Principal Engineer - Test role in Cambridge, UK, focused on validating Core AI Services. You will design automated testing frameworks for cloud-native .NET applications on Azure, ensuring API performance and security. Join an Agile team to build AI-specific evaluation tools, mentor juniors, and d...
Salary Icon
Salary
Not provided
codvo.ai Logo
Codvo AI
Expiration Date
Until further notice
Principal Device Drivers Software Engineer
Save Icon
Principal Device Drivers Software Engineer sought to develop low-level embedded software for market-leading critical communication radios in Cambridge, UK. You will design, implement, and test device drivers for Embedded Linux, FreeRTOS, and ARM BSPs. Requires expert C skills, real-time debugging...
Salary Icon
Salary
75000.00 GBP / Year
rmgdigital.io Logo
rmg digital
Expiration Date
Until further notice
Principal Systems Engineer
Save Icon
Principal Systems Engineer sought for the Global Combat Air Programme (GCAP) in Luton, UK. You will drive system requirements development, interface definition, and design integration using Matlab and Cameo. Ideal candidates bring aerospace/defence systems engineering experience and agile lifecyc...
Salary Icon
Salary
Not provided
morson.com Logo
Morson Talent
Expiration Date
Until further notice
Cdm Principal Designer
Save Icon
Join a leading Construction Consultancy as a CDM Principal Designer in scenic London. Leverage your 3+ years of CDM experience and NEBOSH Construction qualification to deliver Design Risk Management with minimal site visits. Enjoy up to £55,000, a car allowance, free barista coffee, and exception...
Salary Icon
Salary
50000.00 - 55000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Principal Designer for CDM and Building Regulations
Save Icon
Seeking an experienced **Principal Designer** in **Bury Saint Edmunds** to lead **CDM** and **Building Regulations** compliance on large-scale Commercial, Healthcare, and complex Residential projects. Ideal candidates are APS-certified or ARB-registered Architects with 5+ years in a Principal Des...
Salary Icon
Salary
70000.00 - 80000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Principal Designer for CDM and Building Regulations
Save Icon
Join a multidisciplinary consultancy as a Principal Designer for CDM and Building Regulations in Southampton. This role offers a 50/50 split between CDM and Building Regulations compliance, managing risk on large-scale commercial, healthcare, and complex residential projects. Ideal for an APS-cer...
Salary Icon
Salary
70000.00 - 80000.00 GBP / Year
https://brandonjames.co.uk Logo
Brandon James
Expiration Date
Until further notice
Principal Electronics Design Engineer
Save Icon
Principal Electronics Design Engineer sought to lead hardware development in Cheshire, UK. You will define electronics architecture, drive analogue/digital design from concept to production, and own PCB quality. Requires a degree in Electronics Engineering, strong experience in product developmen...
Location Icon
Location
United Kingdom, Cheshire
Salary Icon
Salary
85000.00 GBP / Year
zenovo.co.uk Logo
Zenovo
Expiration Date
Until further notice
Principal C++ Engineer
Save Icon
Principal C++ Engineer sought for a front-office options desk in London, building a brand-new trading stack. You will leverage deep C++ and Linux expertise, including multi-threaded programming, to design and implement bespoke automated trading software. This role demands strong engineering princ...
Salary Icon
Salary
180000.00 - 200000.00 GBP / Year
harringtonstarr.com Logo
Harrington Starr
Expiration Date
Until further notice
Principal Project Analyst (Maternity Cover)
Save Icon
We are seeking a Principal Project Analyst for a maternity cover role in the UK. You will manage client relationships, define product requirements, and oversee software development projects. Ideal candidates possess deep knowledge of Ovarro products and relevant industry regulations. Enjoy a comp...
Salary Icon
Salary
Not provided
ovarro.com Logo
Ovarro
Expiration Date
Until further notice

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.