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Principal Jobs (On-site work)

1190 Job Offers

Principal Systems Engineer
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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...
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Principal Applied Scientist
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Join Microsoft AI as a Principal Applied Scientist in Redmond, WA, to build the next-generation data platform for Bing and LLM training. You will translate research into production, driving industry-wide impact with state-of-the-art modeling at internet scale. Requires a PhD/ Master’s in CS or re...
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165600.00 - 296400.00 USD / Year
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Principal Quantum Materials Nanofabrication Engineer
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Join Microsoft Quantum in West Lafayette as a Principal Quantum Materials Nanofabrication Engineer. You will develop and optimize semiconductor and hybrid device fabrication processes for topological qubits in our advanced cleanroom. We seek a PhD or equivalent experience in Physics or Engineerin...
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142800.00 - 274800.00 USD / Year
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Principal Product Owner
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Principal Product Owner sought for Baxter’s R&D team in Bengaluru, India. Drive the digital platform vision and roadmap for medical devices, leveraging MBSE, SysML, and Matlab/Simulink. Requires expertise in requirements management, risk assessment, and Agile backlog ownership. Benefits include p...
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Principal Eng, Test
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Principal Test Engineer sought for Baxter’s R&D team in Bengaluru. You will lead test strategy, automation, and verification for life-saving medical products. Requires 13+ years in software testing, expertise in Python, Selenium, and SQL, plus strong test planning skills. Benefits include profess...
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Principal Eng, Software
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Principal Software Engineer role in Bengaluru, India, driving cloud-based web solutions for Baxter’s mission to save lives. Requires 12-15 years’ experience, C#, .NET Core, and Azure/AWS expertise. Lead cross-functional teams to design scalable applications, with benefits including professional d...
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Principal Eng, Software
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Principal Software Engineer sought for Baxter’s R&D in Bengaluru, India. Drive cloud-based web application development using C#, .NET Core, ReactJS, and Azure. Requires 12-15 years’ experience with microservices, CI/CD, and enterprise integration. Enjoy benefits like professional development, pai...
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Principal Quantum Materials Engineer
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Lead the development of topological qubits at Microsoft Quantum in West Lafayette, IN. As a Principal Quantum Materials Engineer, you will drive MBE growth of superconductor-semiconductor heterostructures for scalable quantum computing. Leverage AI tools to accelerate materials discovery and opti...
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142800.00 - 274800.00 USD / Year
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Principal Quantum Integration Manager
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Lead quantum process integration at Microsoft Quantum in West Lafayette. This Principal Manager role requires a PhD or equivalent experience in Physics/Engineering, plus 3+ years of people management. You will own full-stack integration strategy for topological qubits, driving cross-functional R&...
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142800.00 - 304200.00 USD / Year
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Principal Quantum Measurement Engineer
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Lead quantum measurement innovation at Microsoft Quantum in West Lafayette. As Principal Quantum Measurement Engineer, you will define cryogenic characterization of topological qubits, develop novel measurement protocols, and drive large-scale experimental campaigns. Requires a PhD/advanced degre...
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142800.00 - 274800.00 USD / Year
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Principal Scientist - Toxicology
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Principal Scientist - Toxicology role in Vancouver, Canada. Lead nonclinical safety strategy for biologics, designing GLP/non-GLP studies for IND, CTA, and BLA submissions. Requires PhD +8 years or MSc +12 years in toxicology, deep FDA/ICH/EMA regulatory knowledge, and CRO management. Enjoy equit...
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134000.00 - 168000.00 CAD / Year
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Cdm Principal Designer
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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...
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50000.00 - 55000.00 GBP / Year
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Principal Recruiter
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Principal GTM Recruiter sought in Austin to lead hiring strategy across the Americas. This high-impact IC role requires 8+ years of full-cycle recruiting expertise, deep sourcing skills, and data fluency. Partner with senior leaders to build diverse talent pipelines for Sales, Marketing, and Oper...
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143000.00 - 190000.00 USD / Year
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Principal GNC & Trajectory Analyst
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Principal GNC & Trajectory Analyst sought in Huntsville, AL to support the MDA Targets Program Office. This role requires 12-20+ years of missile defense experience, an active DoD Secret clearance, and expertise in aerodynamics, orbital mechanics, and trajectory analysis. You will develop 6-DoF/3...
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122000.00 - 128000.00 USD / Year
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Principal Operations Engineer
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Principal Operations Engineer role in Kuala Lumpur, Malaysia, for offshore EPCI/T&I projects. Requires a Bachelor’s in Engineering, 10+ years in oil & gas, and expertise in safety, budget, and quality control. You will lead teams, resolve complex installation issues, and approve engineering proce...
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Principal Software Engineer
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Principal Software Engineer role at Microsoft AI in Redmond, WA. Lead the design of distributed systems, APIs, and personalization pipelines powering Copilot’s adaptive intelligence. Requires 6+ years coding in C++, C#, Java, or Python with expertise in scalable data infrastructure. Join a team r...
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142800.00 - 274800.00 USD / Year
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Software Engineer, Principal
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Meta seeks a Principal Software Engineer in Singapore to drive technical strategy and AI-native engineering excellence across large-scale product systems. You will lead multi-year architectural initiatives, define coding standards, and resolve complex systemic problems. Ideal candidates have 12+ ...
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Principal Customer Identity & Access Management Architect
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Principal Customer Identity & Access Management Architect sought to define long-term CIAM strategy in Seatac, WA. Requires 7+ years IAM architecture experience, expertise in Okta, Auth0, SAML, OAuth, and OpenID Connect. This individual contributor role solves complex identity lifecycle, authentic...
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138500.00 - 207750.00 USD / Year
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Senior Principal AI Interconnect Architect
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Senior Principal AI Interconnect Architect sought in Milpitas, CA to define high-speed networking for AI inference infrastructure. Requires 10-15 years in interconnect technologies like PCIe, CXL, and Ultra Ethernet, plus expertise in fabric topologies and GPU clusters. Role involves architecting...
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194425.00 - 322092.00 USD / Year
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Principal Associate, Underwriting, Portfolio, and Loan Management
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Principal Associate in Underwriting, Portfolio, and Loan Management at McLean, VA. Manage a LIHTC equity and debt portfolio, ensuring compliance and mitigating credit risk. Requires 2+ years in Asset or Portfolio Management and a High School Diploma. Ideal for candidates with Affordable Housing o...
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131300.00 - 149800.00 USD / 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.