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Principal Jobs (Hybrid work)

1215 Job Offers

Principal Software Engineering Manager
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Lead a high-impact team at Microsoft as a Principal Software Engineering Manager for M365 Copilot Inference. Drive control plane automations for capacity buildout, replacing manual workflows with data-driven systems. Requires a Bachelor's in CS, 6+ years coding in Python or C++, and expertise in ...
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142800.00 - 274800.00 USD / Year
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Principal Applied Researcher
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Lead groundbreaking AI research at Microsoft's Developer Division, shaping the future of developer tools like GitHub Copilot. As a Principal Applied Researcher in Redmond, you'll build state-of-the-art models and transition innovations from research to product. Collaborate with top scientists and...
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142800.00 - 274800.00 USD / Year
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Principal Data Scientist
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Join Microsoft AI as a Principal Data Scientist in Redmond, WA, to drive growth for Copilot Discover. You will build metrics systems, analyze big data, and design A/B tests to enhance personalized AI content. Requires a PhD/ Master’s in a quantitative field with 5+ years of data science experienc...
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139900.00 - 274800.00 USD / Year
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Principal Applied Scientist
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Join Azure AI’s GenAI Systems team as a Principal Applied Scientist in Hyderabad. Lead the development of customized LLM solutions, focusing on fine-tuning, distillation, and synthetic data generation. Requires 10+ years in ML, a PhD/Master’s in CS/AI, and expertise in Python, PyTorch, and transf...
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Principal Structural Engineer
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Principal Structural Engineer sought for a UK-based role with a global sustainable design consultancy. Lead complex projects across industrial, tech, and defence sectors, including data centres and gigafactories. Requires Chartered status (IStructE/ICE), SC clearance eligibility, and expertise in...
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500.00 - 600.00 GBP / Day
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Principal Process Engineer
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Principal Process Engineer role in Montreal, QC, offering a permanent full-time position with Primero Americas. Lead process engineering for mineral processing plants, requiring 15+ years in mining with gold/copper focus. Enjoy competitive salary, full insurance, retirement matching, hybrid work,...
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Canada, Montreal
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Principal Security Engineer
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Principal Security Engineer role at Microsoft in Redmond, WA. Protect critical cloud services by designing enforceable security architectures, identity controls, and tenant governance. Requires deep expertise in threat modeling, anomaly detection, and large-scale computing. Drive systemic risk re...
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142800.00 - 274800.00 USD / Year
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Principal Software Engineer
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Principal Software Engineer needed to lead the modernization of Microsoft 365’s global messaging platform. You will re-architect the Substrate Transport system into a cloud-native, scalable, and intelligent service, processing billions of messages daily. This role requires deep expertise in large...
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Czech Republic, Multiple Locations
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Not provided
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Principal Applied Threat Intelligence Manager
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Lead a team of Applied Threat Intelligence analysts at Microsoft Security in Redmond, WA. Drive AI-powered threat research to track sophisticated adversaries and translate complex findings into actionable guidance. Requires a Doctorate/Master’s/Bachelor’s in a related field with 3-6+ years in cyb...
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142800.00 - 274800.00 USD / Year
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Principal Software Engineering Lead
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Principal Software Engineering Lead sought to define the AI-driven vision for Microsoft’s RAMP platform in Redmond, WA. You will architect scalable, distributed systems integrating engineering, HR, and finance data. Requires 6+ years coding in C#, Java, or Python, plus expertise in AI-native deve...
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142800.00 - 274800.00 USD / Year
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Principal Software Engineer
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Principal Software Engineer role on Microsoft’s AEGIS team, the security backbone of IC3. You will define technical strategy for multi-service security platforms and AI-driven vulnerability detection. Requires 6+ years coding in C, C++, C#, Java, JavaScript, or Python, plus a Bachelor’s in CS. Ba...
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142800.00 - 274800.00 USD / Year
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Principal Software Engineer
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Principal Software Engineer role on Microsoft’s Edge Web Platform team in Redmond, WA. You will shape core web primitives like DOM and HTML, drive web standards, and deliver high-performance, interoperable solutions across Chromium. Requires 6+ years in C, C++, or Rust with strong systems thinkin...
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142800.00 - 304200.00 USD / Year
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Principal Applied AI Engineering Manager
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Lead a high-impact AI engineering pod at Microsoft Azure, building agentic services that transform customer support from reactive to AI-first. This Principal role requires deep expertise in Python, C#, LLMs, and cloud-native development. Drive technical direction, own production reliability, and ...
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Principal, Software Engineer
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Join Walmart’s People Technology team as a Principal, Software Engineer in Bentonville, AR. Architect scalable, mission-critical systems driving modernization. Requires 10+ years in large-scale distributed systems, expertise in React, Node.js, Java, and cloud platforms (Azure/GCP). Lead engineers...
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110000.00 - 220000.00 USD / Year
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Senior / Principal Quantum Error Correction Engineer
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Join Microsoft Quantum in Copenhagen as a Senior/Principal Quantum Error Correction Engineer. You will design fault-tolerance infrastructure and advance error correction codes for scalable quantum systems. Requires a PhD/MS in STEM with software industry experience. Collaborate with a world-class...
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Senior / Principal Civil Water Engineer
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Senior / Principal Civil Water Engineer sought to lead multi-disciplinary teams on landmark UK water infrastructure projects in Bristol. You will drive technical design for hydraulics, wastewater, and clean water systems, mentoring junior engineers. Enjoy flexible hybrid working, a competitive sa...
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Principal Consultant in Product Lifecycle Management - Aerospace & Defence
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Principal Consultant in PLM for Aerospace & Defence, driving digital engineering transformation across Bristol, London, or Manchester. Leverage 10+ years of PLM expertise, including Siemens solutions, to lead BOM management, change/config, and CAD/CAE integration. Shape business cases and roadmap...
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United Kingdom, Bristol, London, Manchester
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Principal Data Scientist
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Join Microsoft’s Industry Solutions Engineering team as a Principal Data Scientist in Houston, TX. Leverage your PhD or Master’s in Data Science to drive cloud-based innovation, coach engineers, and develop scalable operational models. Lead data acquisition, ethics, and best practices while solvi...
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142800.00 - 274800.00 USD / Year
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Principal-Management Consulting
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Principal role in Management Consulting for the Dutch energy sector, based in Rotterdam. Lead business development, transaction services, and strategic advisory for energy clients. Requires 8–15 years of experience, an advanced degree, and fluency in Dutch and English. Benefit from a collaborativ...
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Principal Technician
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Principal Technician – Civil/Structural role in Leeds with a leading UK utility contractor. Drive technical quality and consistency across major infrastructure projects. Ideal for experienced CAD/BIM professionals with strong drawing production and coordination skills. Join a team focused on digi...
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90000.00 GBP / Year
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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.