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3661 Job Offers

Senior / Principal Associate, Barrister
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Senior / Principal Associate, Barrister sought to lead high-profile regulatory advocacy across the UK. Based in Birmingham, Exeter, Leeds, London, Manchester, or Winchester, you will manage complex fitness-to-practise and disciplinary cases. Key duties include final-hearing advocacy before tribun...
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United Kingdom , Birmingham; Exeter; Leeds; London; Manchester; Winchester
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Not provided
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Capsticks Solicitors LLP
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Principal Eng, Test
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Principal Automation Engineer / Test Architect sought to define and drive test automation, BDD, and CI/CD quality strategy for medical device software in Bengaluru. Requires 12+ years of experience, expert C# skills, and hands-on work with Appium, SpecFlow, and cloud-native systems. This hands-on...
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India , Bengaluru
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Not provided
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Baxter
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Principal Engineer, System Verification
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Principal Engineer, System Verification role in Bengaluru, India. Lead verification and validation for life-saving medical devices, leveraging 10+ years of experience in regulated environments. Expertise in ISO/FDA standards, data analysis (Minitab), and infusion pump testing required. Enjoy bene...
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India , Bengaluru
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Not provided
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Baxter
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Principal Product Manager, AI Model Security
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Principal Product Manager, AI Model Security – Redmond, WA. Own the roadmap for hardening frontier models against prompt injection, jailbreaking, and adversarial attacks. Partner with Microsoft Security teams to deliver best-in-class AI for real-world workflows. Requires 5+ years in PM or securit...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Technical Safety Engineer – Software Development
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Principal Technical Safety Engineer role in Warrington, UK, blending software development with risk management. You'll lead QRA, CFD, and RAM studies while maintaining and developing internal software using Python, C#, and .NET. Requires 8+ years in technical safety and full-stack skills. Benefit...
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United Kingdom , Warrington
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Risktec Solutions
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Principal Product Engineer
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Principal Product Engineer role in Carrollton, US, seeking a technical leader with 8+ years in C# and .NET to architect scalable backend, mobile, and desktop solutions. Drive cross-platform development, mentor engineers, and optimize performance across cloud and distributed systems. Benefits incl...
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United States , Carrollton
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Not provided
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Robert Half
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Principal Civil Engineer
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Principal Civil Engineer opportunity in Hamilton, NZ, with a leading multidisciplinary consultancy. Lead land development and infrastructure projects while mentoring junior engineers. Requires 10+ years’ NZ consultancy experience, CPEng or working towards, and strong client-facing skills. Benefit...
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New Zealand , Hamilton
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160000.00 - 190000.00 NZD / Year
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84 Recruitment Limited
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Principal Systems Engineer
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Seeking a Principal Systems Engineer to support a government customer in Annapolis Junction, MD. This role requires 18-20+ years of systems engineering experience with a Bachelor’s degree or higher, plus expertise in Linux, Kubernetes, Docker/podman, and security scanning. You will lead dataflow ...
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United States , Annapolis Junction
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2HB
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Assistant Building Regulation Principal Designer – Architect
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Seeking an experienced Architect or Architectural Technologist for a remote Building Regulation Principal Designer role in Milton Keynes. Join a respected consultancy offering autonomy, a friendly culture, and diverse projects across Infrastructure, Commercial, Education, and Residential sectors....
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United Kingdom , Milton Keynes
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45000.00 - 50000.00 GBP / Year
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Brandon James
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Building Regulation Principal Designer
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Join an employee-owned multi-disciplinary consultancy in London as a Building Regulation Principal Designer. Leverage your ARB/CIAT certification and 4+ years of project experience to ensure compliance across diverse projects. Enjoy higher pay than architecture, profit-share bonuses, flexible wor...
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United Kingdom , London
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Brandon James
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Principal Fire Engineer
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Principal Fire Engineer role in Manchester offering hybrid working and a clear path to Associate level. Lead complex fire strategies, mentor junior staff, and act as technical authority on high-profile UK projects. Requires Chartered status (IFE or equivalent), significant consultancy experience,...
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United Kingdom , Manchester
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65000.00 - 85000.00 GBP / Year
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Brandon James
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Cdm Principal Designer – Architect
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Join an employee-owned consultancy as a CDM Principal Designer – Architect in London. Lead project delivery across residential, commercial, and healthcare sectors, using your architectural expertise to eliminate design-stage risks. Requires ARB/RIBA registration and strong CDM 2015 knowledge. Ben...
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United Kingdom , London
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50000.00 - 55000.00 GBP / Year
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Brandon James
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Senior CDM Principal Designer
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Senior CDM Principal Designer role in London with a leading multi-disciplinary consultancy. Lead major projects across complex sectors, leveraging long-standing frameworks for stability and growth. Requires 5+ years CDM experience, APS/IOSH membership, and business development skills. Benefits in...
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United Kingdom , London
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65000.00 - 75000.00 GBP / Year
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Brandon James
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Principal Software Engineering Manager
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Lead and scale the future of AI as a Principal Software Engineering Manager at Microsoft Core AI in Hyderabad. This role demands 8+ years building production-grade distributed systems and 2+ years managing technical teams. You will drive strategic clarity, foster engineering alignment, and build ...
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India , Hyderabad
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Not provided
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Microsoft Corporation
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Senior CDM Principal Designer
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Senior CDM Principal Designer role with an award-winning architectural consultancy in Sevenoaks. Lead diverse projects across residential, commercial, healthcare, and education sectors. Requires ARB/RIBA Architect or APS member with strong CDM 2015 Regulations expertise and design risk management...
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United Kingdom , Sevenoaks
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53000.00 - 60000.00 GBP / Year
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Brandon James
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Associate CDM Principal Designer
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Seeking an Associate CDM Principal Designer in London to drive business development and lead project delivery across residential, commercial, and healthcare sectors. Requires 4+ years’ CDM experience, APS/IOSH membership, and a proven client base. You’ll mitigate design-stage risks and ensure sea...
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United Kingdom , London
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75000.00 - 85000.00 GBP / Year
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Brandon James
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Principal Fire Safety Consultant
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Principal Fire Safety Consultant sought by a forward-thinking consultancy in Leicestershire. Lead complex, large-scale projects across commercial, residential, and healthcare sectors. Requires a degree in Fire Engineering, proven fire strategy delivery, and client-facing skills. Benefits include ...
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United Kingdom , Leicestershire
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60000.00 - 75000.00 GBP / Year
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Brandon James
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Building Regulation Principal Designer
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Join an employee-owned multi-disciplinary consultancy in Guildford as a Building Regulation Principal Designer. Leverage your ARB/CIAT certification and 4+ years of project experience to ensure compliance across diverse projects. Enjoy up to £70,000, profit-share bonuses, flexible working, and st...
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United Kingdom , Guildford
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60000.00 - 70000.00 GBP / Year
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Brandon James
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Senior / Principal Mechanical Engineer
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Senior / Principal Mechanical Engineer sought to author critical Design Substantiation Reports for nuclear safety. This client-seconded role demands a questioning attitude, safety case expertise, and a Chartered Engineer status (or equivalent). Join ACTEMIUM Design UK, part of VINCI Energies, in ...
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United Kingdom , Chorley
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Not provided
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VINCI Energies
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Principal Product Engineer
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Seeking a **Principal Product Engineer** in Carrollton, TX to lead the design of scalable, high-performance software platforms. You will architect complex systems using **C#, .NET**, and cross-platform frameworks like **.NET MAUI**, while mentoring engineers and driving technical strategy. This r...
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United States , Carrollton
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Not provided
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Robert Half
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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.