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Principal United States Jobs (Hybrid work)

488 Job Offers

Principal Applied Scientist (Multiple Openings) - Copilot and Agents Core
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Join Microsoft as a Principal Applied Scientist on the Copilot and Agents Core team in Redmond. You will design and develop large language models (LLMs) to revolutionize enterprise productivity. We seek experts with a PhD or Master’s in Computer Science or related field and proven research experi...
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Salary
142800.00 - 304200.00 USD / Year
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Microsoft Corporation
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Principal Technical Program Manager
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Principal Technical Program Manager role in Glendale, US, driving high-complexity Identity Alliance programs for a global media technology leader. Requires proven cross-team communication, senior leadership presentation skills, and media tech experience. Benefits include medical, dental, vision, ...
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90.00 - 97.00 USD / Hour
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Software Resources
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Principal Engineer, Product Cybersecurity
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Principal Engineer, Product Cybersecurity – Round Lake, US. Lead cybersecurity design for life-saving medical devices, leveraging expertise in threat modeling, penetration testing, and vulnerability scanning. Drive security architecture from concept to delivery, mentoring teams on embedded and ho...
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120000.00 - 165000.00 USD / Year
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Baxter
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Principal Software Engineering Manager
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Lead the future of intelligent collaboration as a Principal Software Engineering Manager on Microsoft Teams. This role requires a Bachelor's in CS and 6+ years of engineering experience with C++, C#, or Python. You will lead large-scale infrastructure, leverage generative AI and LLMs, and drive d...
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Associate - Card Risk
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Join Capital One as a Principal Associate in Card Risk, a hybrid role in McLean, VA, Richmond, VA, or Chicago, IL. You'll lead risk assessments, partner with business teams, and drive innovative risk management solutions at a top 10 bank. Ideal for professionals with 1+ year in risk/compliance an...
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Location
United States, McLean, VA, Richmond, VA, Chicago, IL
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Not provided
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Capital One
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Principal Client Partner, Enterprise Sales
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Principal Client Partner, Enterprise Sales at T-Mobile – a senior role for elite sales professionals targeting Fortune 1000 new logo acquisition. Drive strategic growth with multinational corporations, leveraging 10+ years of B2B enterprise experience and C-suite relationship building. Based in F...
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Not provided
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T-Mobile
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Principal Program Manager
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Principal Program Manager role in Bellevue, WA, leading fraud mitigation strategy for T-Mobile’s financial services. Requires a Master’s degree + 5 years or Bachelor’s + 7 years, with expertise in fraud detection controls, business process modeling, and cross-functional execution. Drive AI-driven...
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Salary
215072.00 - 220072.00 USD / Year
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T-Mobile
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Principal Product Manager
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Principal Product Manager role in Redmond, WA, driving AI-first strategy for Microsoft Advertising’s Smart Bidding products. You will own the vision, roadmap, and cross-functional execution with Data Science and Engineering to maximize advertiser ROI. Requires 8+ years in product management, deep...
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Silicon Design Verification Engineer
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Principal Silicon Design Verification Engineer at Microsoft in Mountain View, CA. Drive pre-silicon verification strategy for security IP, owning C/C++ and SystemVerilog/UVM test content at SoC level. Requires deep expertise in C/C++, UVM, and Python, with a Doctorate or equivalent experience. Le...
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Salary
142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Product Manager - M365 Core Platform
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Microsoft seeks a Principal Product Manager for its M365 Core Platform in Redmond, WA. This AI-first role focuses on performance, latency, and scalability across the server-side systems behind Microsoft 365 and Copilot. You will shape platform strategy, use AI-driven analysis and automation to op...
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Salary
142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Technical Program Manager
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Seeking a Principal Technical Program Manager in Redmond, WA to lead complex, cross-team security initiatives. You will define program strategy, manage distributed systems and cloud infrastructure, and drive delivery of high-volume log stream handling projects. Requires 12+ years of engineering o...
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Salary
142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Join Microsoft’s Substrate Deployment Team as a Principal Software Engineer to lead AI-powered deployment systems for hyperscale environments. You’ll drive innovation in C, C++, C#, Java, JavaScript, or Python, optimizing M365 services used by millions. This role offers mentorship, automation, an...
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Location
United States, Multiple Locations
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Salary
142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer, Security AI
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Principal Software Engineer, Security AI – Mountain View. Design and build AI-powered services securing Microsoft’s cloud at scale. Leverage LLMs, RAG, and knowledge graphs to create intelligent security workflows. Requires 6+ years coding in Python/C++ and expertise in AI/ML systems. Join a team...
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Salary
142800.00 - 304200.00 USD / Year
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Microsoft Corporation
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Principal Associate, Product Designer
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Join Capital One as a Principal Associate, Product Designer in Plano, TX. Leverage 3+ years of experience with Figma and design tools to craft memorable, human-centered product experiences. Collaborate with product and tech partners to drive innovation in a data-rich environment. Elevate your car...
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Salary
119400.00 - 136200.00 USD / Year
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Capital One
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Principal Corporate Counsel, Infrastructure Legal Affairs
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Join Microsoft as Principal Corporate Counsel in Infrastructure Legal Affairs, advising on cloud and AI capacity for Azure Hardware. Leverage your expertise in IP, technology transactions, and supply chain law in Redmond. Drive negotiations for semiconductor and hardware development, collaboratin...
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Not provided
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Microsoft Corporation
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Principal Data Scientist
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Principal Data Scientist role at Microsoft AI in Redmond, driving analytics for MSN & Copilot Discover. Leverage AI and machine learning to build forecasting models, analyze user engagement and monetization, and shape product strategy. Requires a Doctorate or Master’s in Data Science or related f...
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Salary
142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineering Manager
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Engineers, Systems Design
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Principal Engineers, Systems Design in Herndon, VA drive 5G innovation at T-Mobile. You will lead complex network design projects, optimize RAN configurations, and validate advanced 5G features. Requires a Master’s degree in Computer Science or related field with 3 years of experience. Enjoy a co...
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Salary
161782.00 - 202900.00 USD / Year
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T-Mobile
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Principal Quantum Systems Architect
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Join Microsoft Quantum in Redmond as a Principal Quantum Systems Architect to define scalable control and readout architectures. Drive system-level trade-offs across cryogenic and room-temperature domains for revolutionary quantum computing. Requires a PhD or equivalent experience in Physics/Engi...
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Salary
165600.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer - Architect
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165600.00 - 296400.00 USD / Year
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Microsoft Corporation
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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.