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Principal Jobs (Hybrid work)

1215 Job Offers

Principal Quantum Applications Architect
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Join Microsoft Quantum in Redmond as a Principal Quantum Applications Architect to redefine computing. You will develop quantum algorithms for cryptanalysis and simulation, design novel cryptographic schemes, and optimize architectures for scaled quantum computers. Requires a PhD in Physics or En...
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139900.00 - 274800.00 USD / Year
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Principal Consultant - Transportation
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Principal Consultant – Transportation role in Boston for a strategic leader with 10+ years in management consulting or public sector advisory. Drive complex engagements, business development, and client relationships with transit authorities and DOTs. Expertise in financial acumen, operating mode...
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159200.00 - 212300.00 USD / Year
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Principal Systems Engineer
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Principal Systems Engineer opportunity in Round Lake, US, where your work directly improves patient outcomes. Lead cross-functional teams to develop design inputs and system requirements for complex medical devices. Requires a Bachelor’s degree with 5+ years of experience, expertise in systems en...
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112000.00 - 154000.00 USD / Year
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Principal Optical Scientist
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Join Microsoft Research in Cambridge, UK as a Principal Optical Scientist to shape next-gen AI infrastructure. You will lead high-risk optical system design, modelling, and simulation using Zemax and Python, bridging research with production. This role requires a Doctorate in Optics or equivalent...
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Principal Software Engineering Manager
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Lead the GHES release pipeline as a Principal Software Engineering Manager in Hyderabad, India. This role requires 9+ years of software engineering experience with languages like Go, Ruby, or Python, plus 3+ years leading teams on complex infrastructure or release systems. You will drive technica...
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Principal Product Designer
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Principal Product Designer role at Microsoft AI, Redmond, shaping next-gen generative AI media experiences for over a billion users. Drive product strategy, visual design, and storytelling for Windows, Edge, and Copilot. Requires 6+ years in product design with expertise in interaction design and...
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142800.00 - 274800.00 USD / Year
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Principal Researcher - Agentic AI
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Join the AI Frontiers lab as a Principal Researcher in Agentic AI, driving breakthroughs in foundation models and self-improving agent systems. Based in Redmond, you will advance ML, HCI, and reinforcement learning to build an end-to-end agentic stack. Requires a PhD/equiv with 3+ years research ...
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139900.00 - 304200.00 USD / Year
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Solution Sales Principal - Cyber Security
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Vodafone Ireland seeks a Solution Sales Principal – Cyber Security to lead strategic, value-based security engagements with C-suite and board-level stakeholders in Dublin. This pure cybersecurity role focuses on reducing risk and ensuring compliance, not product selling. You will drive revenue fo...
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Ireland, Dublin 2
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Interim Principal Accountant
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Seeking an experienced **Interim Principal Accountant** for a senior role in London, UK. You will drive **budgeting and planning** within a local government organisation, producing critical budget reports and managing allocations. Collaborate with the Strategy and Planning team to align financial...
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Principal Packaging Engineer
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Join Microsoft Quantum in Redmond as a Principal Packaging Engineer to drive hands-on process and materials development for next-gen quantum devices. You will develop robust assembly processes, manage external vendors, and advance cryogenic and microwave packaging technologies. Requires a Master’...
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139900.00 - 274800.00 USD / Year
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Principal Data Scientist & Analytics
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Join Microsoft’s Monetization Marketplace Team as a Principal Data Scientist & Analytics leader in Redmond, WA. Drive data-driven decisions by defining metrics, designing experiments, and delivering actionable insights across engineering and product teams. Requires a PhD/Master’s in Data Science,...
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139900.00 - 274800.00 USD / Year
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Cdm Principal Designer – Architect
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ARB/RIBA Architect sought for a unique CDM Principal Designer role with a leading multi-disciplinary consultancy in Sheffield. You will lead design risk management across diverse residential, commercial, and healthcare projects. This hybrid position offers a car allowance, generous bonus, and gol...
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45000.00 - 60000.00 GBP / Year
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Cdm Principal Designer – Architect
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A market-leading consultancy seeks an ARB/RIBA-registered Architect to transition into a CDM Principal Designer role in Liverpool. You will lead design risk management across diverse residential, commercial, and healthcare projects. This hybrid role offers a car allowance, generous bonus, gold-st...
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45000.00 - 60000.00 GBP / Year
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Principal Security Researcher
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Join Microsoft’s elite Purple Team as a Principal Security Researcher in Redmond, WA. You will design and execute advanced adversary simulations across endpoint, identity, and cloud surfaces to enhance detection coverage. Leverage deep expertise in cybersecurity, threat analysis, and frameworks l...
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142800.00 - 304200.00 USD / Year
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Principal Optical Packaging Engineer
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Join Microsoft Research in Cambridge, UK as a Principal Optical Packaging Engineer to shape next-gen AI infrastructure. You will lead co-packaged optics (CPO) architecture, advanced 2.5D/3D packaging, and scalable optical assembly. Ideal candidates have a Master’s/PhD in Photonics or EE, deep CPO...
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Principal Software Engineering Manager
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Lead engineering teams as a Principal Software Engineering Manager in Bangalore, driving AI-powered People Skills Services. You will own cross-org technical leadership, shaping workforce intelligence and partner integrations. Requires 12+ years of coding experience (C++, Python, etc.) and 4+ year...
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Principal Software Engineer
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Principal Software Engineer role in Redmond, WA, driving technical direction for Microsoft’s real-time advertising mediation platform (MMS) built on Go and Prebid Server. You will own architecture decisions for global-scale OpenRTB auctions, header-bidding, and experimentation across Outlook, MSN...
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139900.00 - 304200.00 USD / Year
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Principal Safety Case Engineer
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Principal Safety Case Engineer role in Warrington, UK, leading nuclear safety projects. You will develop safety case strategies, conduct radiological assessments, and mentor teams. Requires a degree, Chartered status (or working towards), and broad safety case experience. Excellent benefits packa...
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Principal EC&I Engineer
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Principal EC&I Engineer sought for major nuclear projects in Warrington. This role demands expertise in PLC/SCADA control systems, PES lifecycle documentation, and NEC3 frameworks. You will provide design assurance and intelligent oversight from concept to commissioning. Join a leading team and d...
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England, Warrington
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Principal Pm Manager--Sox Odsp
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Lead a world-class PM team at Microsoft as Principal PM Manager for ODSP SOX in Suzhou. Drive AI-powered collaboration experiences for SharePoint, OneDrive, and M365, impacting millions of enterprise users. Requires 8+ years in product management, 3+ years people leadership, and expertise in clou...
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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.