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Principal United States Jobs (On-site work)

646 Job Offers

Principal Software Engineer (Cloud Network and AI Security)
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Principal Software Engineer sought for Cloud Network & AI Security in Santa Clara. Leverage expertise in C, Python, Go, and low-level Linux systems to design virtualization features across Azure, AWS, and GCP. Requires deep knowledge of network security (stateful firewall, DPDK, XDP) and cloud ar...
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Salary
147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Principal Software Engineer (C++-low level-Prisma Browser)
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Join a world-class team in Santa Clara, CA as a Sr Principal Software Engineer (Prisma Browser). We seek a C++ virtuoso with 8+ years of endpoint development expertise to architect our Chromium-based enterprise browser. Lead critical features, master performance optimizations, and mentor engineer...
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147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Principal Technical Program Manager, Alexa AI Developer Tech
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Lead complex technical programs for Alexa+ as a Principal Technical Program Manager in Seattle. Drive cross-functional teams to deliver AI-native SDKs and developer tools, leveraging 10+ years of engineering and program management experience. Unify distributed efforts, own strategic initiatives, ...
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177000.00 - 239400.00 USD / Year
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Amazon Pforzheim GmbH
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Principal Engineer
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Baxter seeks a Principal Engineer to lead complex automation initiatives in a GMP-regulated pharmaceutical environment. You will define the technical vision, integrate robotics and data analytics, and manage full project lifecycles for capital projects up to $10M. This role requires a Bachelor’s ...
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143333.00 - 168000.00 USD / Year
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Baxter
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Principal Product Designer
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Join Wise in Austin as our first North America Principal Product Designer. Shape region-specific features for millions of US customers, leveraging 10+ years of craft expertise, Figma mastery, and AI-curious prototyping. As a strategic individual contributor, you’ll drive scalable, evidence-based ...
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214000.00 - 290000.00 USD / Year
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Assessfirst
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Principal Applied Scientist
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Lead causal inference and attribution science as a Principal Applied Scientist in Redmond. Drive data-driven measurement, incrementality estimation, and counterfactual learning for web-scale advertising systems. Requires a PhD/ Master’s in CS, Statistics, or related field with 3-9+ years experien...
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142800.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Engineer- Process & Product
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Principal Engineer – Process & Product role in Aibonito, US. Lead manufacturing and new product introduction projects, driving quality and productivity. Requires a Bachelor’s in engineering, 5-8 years of experience, and bilingual Spanish/English skills. Benefits include medical, paid parental lea...
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Location
United States, Aibonito
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Salary
Not provided
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Baxter
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Principal Machine Learning Engineer - AV Labs
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Join Uber’s AV Labs as a Principal ML Engineer to lead Physical AI innovation in San Francisco or Sunnyvale. You will architect state-of-the-art autonomy algorithms and foundation models, solving the hardest long-tail data challenges in autonomous driving. Requires 10+ years in ML/Robotics, exper...
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302000.00 - 336000.00 USD / Year
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Uber
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Principal Typescript/Javascript Developer (Extension Platform)
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Senior Principal Engineer sought for Santa Clara HQ to lead Prisma Access Browser platform development. You will own complex features end-to-end, driving substantial product improvements in enterprise security. Requires 5+ years experience with TypeScript/JavaScript, backend tech, and CI/CD pipel...
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Salary
147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Sr Principal Engineer Software- Backend (Prisma Browser)
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Senior Principal Backend Engineer sought for Santa Clara HQ to lead development of the Prisma Browser enterprise security solution. You will own end-to-end feature delivery, leveraging 5+ years in Go/C#/Java/C++ and cloud-native microservices on AWS/GCP/Azure. Drive innovation in multi-threaded p...
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Palo Alto Networks
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Principal Associate, Process Manager- Navigator Platform
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Principal Associate, Process Manager role on the Navigator Platform in Plano, TX. Drive process improvements and risk mitigation for auto dealership and consumer tech products. Requires 3+ years Process Management experience, data analytics skills, and process documentation expertise. Lean, Six S...
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Salary
98900.00 - 112900.00 USD / Year
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Capital One
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Principal Software Engineer
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Principal Software Engineer needed onsite in Annapolis Junction, MD. You will lead full-stack development using JavaScript, React, Node.js, and Rust, driving mission-critical solutions for the Intelligence Community. Requires 12+ years of SWE experience, a TS/SCI with Full Scope Polygraph, and ex...
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Location
United States, Annapolis Junction
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Salary
215000.00 - 250000.00 USD / Year
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Riverstone Enterprise Solutions
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Principal Systems Administrator
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Principal Systems Administrator needed onsite in Annapolis Junction, MD. Leverage 15+ years of systems administration expertise to support critical Intelligence Community missions. Manage IT systems, resolve Tier 1/2 issues, and optimize enterprise operations. Requires active TS/SCI with Full Sco...
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Location
United States, Annapolis Junction
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Salary
175000.00 - 205000.00 USD / Year
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Riverstone Enterprise Solutions
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Principal Data Engineer
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Capstone IT seeks a Principal Data Engineer to lead enterprise-scale data initiatives for eCommerce and marketing intelligence. You will architect cloud-native solutions using Snowflake, GCP, BigQuery, and real-time streaming (Kafka/NiFi). This role demands 15+ years of experience, executive stak...
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Capstone IT Staffing
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Principal Opto-Mechanical Engineer
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Principal Opto-Mechanical Engineer sought in San Jose, CA to lead design and delivery of advanced opto-mechanical systems for next-gen e-beam technology. Requires MSc/PhD and 10+ years in optics, lasers, and precision motion. Drive technical roadmap, system integration, and validation from protot...
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Salary
177000.00 - 265500.00 USD / Year
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ASML
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Senior Principal Product Manager
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Senior Principal Product Manager needed to lead Microsoft Advertising’s Smart Bidding strategy. Drive AI-powered, scalable ad products maximizing advertiser ROI. Partner with Data Science, Engineering, and UX in Mountain View. Requires 10+ years in product management and deep digital advertising ...
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Salary
165600.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Engineer, EMC
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Principal Engineer, EMC role at Baxter Healthcare in Round Lake, IL. Drive groundbreaking healthcare solutions by defining EMC requirements and leading compliance testing to CISPR 11 and IEC 60601-1-2 standards. Requires 5+ years EMC experience, a Bachelor’s/Master’s in EE, and proficiency with M...
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Salary
112000.00 - 154000.00 USD / Year
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Baxter
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Principal Engineer, EMC
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Principal Engineer, EMC role at Baxter Healthcare in Round Lake, IL. Drive groundbreaking healthcare solutions by defining EMC requirements, leading pre-compliance testing, and troubleshooting EMI/RF issues. Requires 5+ years EMC experience, Bachelor's/Master's in EE, and proficiency with MATLAB,...
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Salary
112000.00 - 154000.00 USD / Year
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Baxter
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Principal Engineer- Process & Product
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Principal Engineer (Process & Product) role in Aibonito, US. Lead manufacturing support, new product introductions, and validations. Requires a Bachelor’s in Engineering with 5-8 years of experience, bilingual (Spanish/English), and project leadership skills. Benefits include medical, dental, pai...
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Location
United States, Aibonito
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Salary
Not provided
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Baxter
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Principal Hardware Engineer
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Teradyne seeks a Principal Hardware Engineer in Tualatin, OR, to design high-current power delivery modules for semiconductor ATE. You will architect advanced power-stage topologies, optimize power integrity, and validate fast-response sourcing circuits. Requires 12+ years in power electronics wi...
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Salary
175300.00 - 280600.00 USD / Year
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Teradyne
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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.