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Principal United States Jobs

1648 Job Offers

Principal Silicon Sourcing Engineer
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Microsoft seeks a Principal Silicon Sourcing Engineer in Redmond, WA to drive its custom silicon strategy. You will develop sourcing strategies, negotiate costs, and foster partnerships with top suppliers to deliver cutting-edge solutions for Azure and AI infrastructure. Ideal candidates bring 6+...
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Department Assistant
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Join the City of Watertown as a Principal Department Assistant to support Human Services with administrative, financial, and program planning tasks. You’ll manage payroll, invoices, supplies, and create promotional materials and social media content. Requires an Associate’s degree, 4-6 years’ exp...
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64647.00 - 85300.00 USD / Year
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Massachusetts Municipal Association
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Principal Consultant – SOC Transformation and XSIAM Deployment
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Lead SOC transformation and XSIAM deployment as a Principal Consultant in Illinois. Drive AI-driven detection, automation, and measurable MTTD/MTTR improvements for enterprise clients. Requires 10+ years in SIEM/SOC modernization, executive presence, and strategic advisory skills. Enjoy restricte...
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163000.00 - 224500.00 USD / Year
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Palo Alto Networks
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Principal Architects, Systems
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Principal Architects, Systems in Bothell, WA, drive end-to-end solution design for large-scale B2B/B2C initiatives. You will lead technical strategy, bridge business goals with technology, and guide microservices development using SpringBoot, AWS, Kubernetes, and Kafka. Requires a Master’s degree...
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161138.00 - 217700.00 USD / Year
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T-Mobile
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Principal Product Manager
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Principal Product Manager (IC) role driving the context intelligence layer and deep reasoning agent for a live autonomous marketing platform serving 180K+ businesses. You’ll partner with Heads of AI and Engineering to shape AI/ML-powered products at scale. Requires deep experience with data platf...
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208000.00 - 286000.00 USD / Year
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ActiveCampaign
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Principal Forward Deployed Architect
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Principal Forward Deployed Architect role in San Francisco, blending enterprise architecture with business transformation for strategic Atlassian customers. You will design AI-native workflows across HR, Finance, and Operations, owning end-to-end technical and change management for 13 accounts. R...
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163800.00 - 257325.00 USD / Year
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The Muse
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Principal Edge AI Engineer
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Principal Edge AI Engineer sought to lead AI/ML telemetry pipeline development across GPU-enabled embedded systems in Newark, US. Requires 10+ years in AI/ML engineering with deep C++ expertise for firmware and low-level integration, plus proficiency in Core ML, TensorFlow Lite, and Python. Drive...
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Beacon Hill
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Principal Database Administrator
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Principal Database Administrator needed in State College, PA or Dulles, VA. Leverage your 8+ years of DBA experience and active TS/SCI clearance with CI Poly to manage Oracle Exadata and OIA databases. You will design secure, high-performance RDBMS solutions, automate tasks, and troubleshoot comp...
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GeoLogics
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Principal Software Engineer
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Principal Software Engineer sought for onsite factory support in Tucson, AZ. Requires 8+ years’ experience (or 5 years with advanced STEM degree), expertise in C# and C++ within Microsoft Visual Studio, and an active US Secret clearance. Lead multidisciplinary teams, develop object-oriented appli...
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95.00 - 120.00 USD / Hour
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GeoLogics
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Principal Engineers, Software
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Principal Engineers, Software in Bellevue, WA drive ML innovation by analyzing large-scale telemetry data to predict network asset failures. You will design simulations, deploy models like Anomaly Detection, and build closed-loop automation solutions. Requires expertise in Deep Learning, Scala, a...
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197227.20 - 227500.00 USD / Year
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T-Mobile
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Principal Software Engineers
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Principal Software Engineers in Redmond, WA, will design and build innovative agentic and software-security solutions, including Microsoft MDASH. This role requires 6+ years of experience with C, C++, C#, Java, JavaScript, or Python, and a Bachelor's in Computer Science. You will close the critic...
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal, AI Cloud Infrastructure Commercial Sourcing
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Meta seeks a Principal for AI Cloud Infrastructure Commercial Sourcing to lead high-stakes negotiations for its massive AI compute footprint. This senior role requires 10+ years structuring complex cloud agreements and managing C-suite partnerships with top providers. You will own the commercial ...
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179000.00 - 249000.00 USD / Year
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Meta
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C3BM Principal Acquisition Analyst
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Banner Defense seeks a C3BM Principal Acquisition Analyst in Colorado Springs to lead acquisition strategy and scheduling for the C2BMC program. You will develop and maintain the Integrated Master Schedule (IMS), conduct critical path analysis, and support Missile Defense System integration. Requ...
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115000.00 - 120000.00 USD / Year
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Banner Defense
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Principal Scientist - Purification Chemist
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Principal Scientist – Purification Chemist opportunity in Rahway, NJ, with Parexel FSP. Apply chromatography, organic chemistry, and biochemistry expertise to purify APIs and intermediates in an R&D lab. Requires semi-preparative purification experience and strong problem-solving skills. Enjoy fu...
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Parexel
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Principal DevOps Engineer
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Principal DevOps Engineer sought to architect and scale a massive multi-region GCP environment for Palo Alto Networks' Cortex SecOps platform. This high-impact role demands 10+ years of DevOps/SRE expertise, deep Kubernetes (GKE) mastery, and Terraform proficiency. You will set engineering standa...
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147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Sr. Principal Engineer Software (Unit 42)
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Join Palo Alto Networks as a Sr. Principal Engineer in Connecticut, building AI-driven tools for Unit 42’s threat research team. Leverage Python, SQL, and containerization (Docker, Kubernetes) to design intelligent data architectures and automate workflows. Ideal for experts in modern AI, REST AP...
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Location
United States, Connecticut
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126000.00 - 204500.00 USD / Year
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Palo Alto Networks
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Principal Product Intelligence Analyst (Cortex XSIAM)
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Principal Product Intelligence Analyst (Cortex XSIAM) sought in Texas. Drive strategic advantage by applying Structured Analytic Techniques (SATs) to cybersecurity competitive data. You will challenge product assumptions, own the SIEM portfolio, and deliver high-impact BLUF briefings. Ideal for e...
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159000.00 - 255000.00 USD / Year
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Palo Alto Networks
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Principal Software Engineer - Ad Tech & Distributed Systems - FreeWheel
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Principal Software Engineer sought to lead reliability and performance for FreeWheel’s ad tech platforms in Chicago. You will design and troubleshoot large-scale distributed systems on AWS, driving automation and incident response. Requires 10+ years of software engineering experience, expert-lev...
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Salary
152828.79 - 229243.19 USD / Year
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Comcast Advertising
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Principal Mechanical Engineer
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Principal Mechanical Engineer role in Skaneateles Falls, NY, leading medical device design from concept to commercialization. Requires Creo CAD, IP-rated enclosure design, ANSYS simulation, and DFM expertise. Drive innovation in a regulated environment with full ownership of mechanical systems. B...
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Location
United States, Skaneateles Falls
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Salary
112000.00 - 154000.00 USD / Year
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Baxter
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Principal Software Engineering Manager - CoreAI
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Lead a high-impact engineering team at Microsoft's CoreAI, building foundational platforms and SDKs for Generative AI in Redmond. This Principal Software Engineering Manager role requires 8+ years of experience with C#, Python, or Java, plus a Bachelor's in CS. You will drive AI-first engineering...
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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.