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Principal Engineer - AI/ML United States Jobs

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Principal Software Engineer - Data, Personalization - Microsoft AI
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Lead the development of Microsoft AI's core personalization data infrastructure. As a Principal Software Engineer, you will architect scalable distributed systems and APIs that power adaptive, context-aware experiences for Copilot. This role in Redmond demands expertise in cloud services, OSS dat...
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United States , Redmond
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163000.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead the evolution of Microsoft's core cloud services as a Principal Software Engineer for OneDrive & SharePoint. Design and deliver large-scale, distributed architectures that impact millions of users. This Redmond-based role requires 8+ years of experience in cloud-scale services, REST APIs, an...
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United States , Redmond, WA
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163000.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer - Microsoft Teams
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Lead the evolution of Microsoft Teams as a Principal Software Engineer. Design and maintain high-scale backend services using Azure and modern tech stacks like .NET Core. Drive AI innovation by integrating LLMs and generative AI to power Teams Copilot. Join a premier team in Mountain View, shapin...
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United States , Mountain View
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Systems Safety Engineer
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Lead safety engineering for advanced avionics systems in Phoenix. Develop strategies, conduct hazard analyses (FHA, FTA, FMEA), and ensure compliance with ARP4754A/DO-178C. Apply 6+ years of commercial avionics experience to certify integrated cockpit platforms. Collaborate cross-functionally to ...
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United States , Phoenix
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Not provided
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Real Time Consulting
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Principal Data Scientist - Machine Learning Engineering
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Lead our AI/ML initiatives as a Principal Data Scientist. You will design, build, and deploy advanced NLP/LLM solutions, partnering with cross-functional teams to drive business impact. This remote US role requires 8+ years of experience, expert Python/Java skills, and strong executive communicat...
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United States , Remote
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145300.00 - 233400.00 USD / Year
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Atlassian
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Principal Data Scientist - Machine Learning Engineering
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Lead impactful data science initiatives as a Principal Data Scientist at Atlassian in San Francisco. Leverage your 8+ years of expertise in ML, NLP, and LLMs to uncover customer friction and drive product strategy. You will build models, mentor a team, and enjoy comprehensive benefits in this sen...
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United States , San Francisco
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175100.00 - 233400.00 USD / Year
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Atlassian
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Lead Principal Engineer
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Lead Principal Engineer role to shape the next-gen tech landscape for Sales, Marketing, Finance, and Support. Requires 15+ years in large-scale distributed systems and cloud (AWS). Drive architectural vision and engineering excellence across Atlassian's ecosystem. Based in key US tech hubs with c...
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United States , Washington DC; San Francisco; Austin; Mountain View; New York
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223100.00 - 358400.00 USD / Year
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Atlassian
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Principal Engineer, Bitbucket Cloud
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Lead the technical vision for Bitbucket Cloud as a Principal Engineer at Atlassian. This remote-friendly role, based in key US hubs, demands deep expertise in software engineering and architecture. You'll enjoy comprehensive health coverage, paid volunteer days, and wellness resources while shapi...
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United States , Austin; San Francisco; Mountain View
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170800.00 - 274300.00 USD / Year
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Atlassian
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Principal Security Governance Engineer
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Lead security governance and risk strategy as a Principal Engineer at Atlassian in San Francisco. You will design frameworks, ensure HIPAA compliance as the Security Officer, and manage human risk through awareness programs. This senior role requires 10+ years in GRC, expert knowledge of framewor...
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United States , San Francisco
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183800.00 - 295200.00 USD / Year
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Atlassian
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Principal Software Engineer - SASE
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Lead the development of next-generation SASE and SD-WAN security solutions. This principal role in San Jose (hybrid) requires deep expertise in C/C++, networking (IPSec/VPN), and data path development. Architect and optimize high-performance platforms for on-prem and cloud environments, leveragin...
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United States , San Jose
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133500.00 - 307000.00 USD / Year
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Hewlett Packard Enterprise
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Senior Principal Software Quality Engineer
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Join Baxter as a Senior Principal Software Quality Engineer in Raleigh. Ensure high-quality, safe software and medical device development within a regulated environment. Leverage 8+ years of experience in medical devices and knowledge of standards like IEC 62304. Enjoy comprehensive benefits, pro...
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United States , Raleigh
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120000.00 - 165000.00 USD / Year
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Baxter
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Principal Technical Marketing Engineer
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Lead technical marketing for HPE Aruba's industry-leading Switching solutions. This senior role requires 15+ years in networking, security, and automation, plus deep expertise in data center architectures. Create compelling technical content and demos while enjoying competitive benefits in Rosevi...
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United States , Roseville
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Salary
148000.00 - 340500.00 USD / Year
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Hewlett Packard Enterprise
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Principal Engineer, Product Cybersecurity
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Lead cybersecurity design for innovative medical devices as a Principal Engineer. Utilize expertise in threat modeling, vulnerability scanning, and secure architecture within embedded systems. This role in Round Lake/Chicago offers a comprehensive benefits package and the chance to shape product ...
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United States , Round Lake; Chicago
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112000.00 - 154000.00 USD / Year
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Baxter
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Principal Software Engineer
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Lead the design of scalable software systems as a Principal Software Engineer in San Francisco. This role requires 12+ years of experience, expertise in architecture, cloud tech, and mentoring teams. We offer comprehensive benefits including health insurance, 401K matching, stock options, and gen...
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United States , San Francisco
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237188.00 - 347875.00 USD / Year
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6sense
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Principal Data Engineer
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Lead the technical evolution of data platforms as a Principal Data Engineer at Atlassian in San Francisco. This tech lead and architect role requires 12+ years of experience, including leading teams and building complex, scalable data pipelines with Spark and streaming architectures. You will dri...
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United States , San Francisco
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168700.00 - 271100.00 USD / Year
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Atlassian
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Principal Data Engineer
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Seamless.AI seeks a Principal Data Engineer to design and maintain scalable ETL pipelines. The role requires expertise in Python, Spark, AWS Glue, and handling large datasets for data matching and aggregation. This US-based position is ideal for a self-starter with 7+ years of data engineering ex...
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United States
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Not provided
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Seamless.AI
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Principal Engineer, Cloud Engineer
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Lead the validation and implementation of the common Orchestrator and CI/CD/CT platform for Magenta Cloud. This principal engineering role requires 7+ years of experience with GitLab, GitOps, cloud orchestrators, and SDN/NFV. We offer a competitive salary, stock grants, and comprehensive benefits...
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United States , Overland Park; Bellevue
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Salary
126800.00 - 228900.00 USD / Year
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T-Mobile
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Principal Engineer, Software - Android
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Lead the next generation of the T-Mobile Android app as a Principal Engineer. Utilize your 7+ years of expertise in Kotlin, Jetpack Compose, and scalable architecture (VIPER/MVVM) to build for millions. Enjoy a top-tier Total Rewards package with stock grants and comprehensive benefits in key US ...
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United States , Bellevue; Denver; Overland Park; Frisco
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133500.00 - 240700.00 USD / Year
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T-Mobile
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Principal Engineer, GenAI Innovation
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Lead GenAI innovation as a Principal Engineer, designing and deploying full-stack, cloud-native solutions. This role requires 7+ years of full-stack development, cloud expertise (AWS/Azure/GCP), and 2+ years with Generative AI models. You'll mentor a team while building systems with front-end fra...
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United States , Bellevue
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129400.00 - 233400.00 USD / Year
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T-Mobile
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Principal Full Stack Cybersecurity Engineer
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Lead security-focused full stack development as a Principal Engineer in Bellevue. Design and deploy secure systems using cloud services (AWS/Azure/GCP) and full stack technologies. Enjoy competitive compensation, stock grants, comprehensive benefits, and family support programs. Mentor teams whil...
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United States , Bellevue
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Salary
129400.00 - 233400.00 USD / Year
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T-Mobile
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Until further notice
Embark on a leadership career at the pinnacle of technical innovation by exploring Principal Engineer - AI/ML jobs. A Principal Engineer in Artificial Intelligence and Machine Learning is a strategic visionary and a technical master, responsible for setting the technological direction for an organization's most ambitious AI initiatives. This is not an individual contributor role in the traditional sense; it is a force multiplier, blending deep hands-on expertise with architectural oversight, mentorship, and cross-functional leadership to transform complex business problems into scalable, intelligent solutions powered by AI. Professionals in these senior roles typically bear a comprehensive set of responsibilities. They lead the architectural design and long-term strategy for AI/ML systems, ensuring they are robust, scalable, and aligned with business objectives. A key part of their duties involves conducting research and development to evaluate and integrate state-of-the-art algorithms and models, pushing the boundaries of what is technically possible. They provide technical leadership and mentorship to engineering teams, elevating the entire organization's capabilities through code reviews, best practice dissemination, and setting high standards for quality and innovation. Principal Engineers are also crucial in driving the entire machine learning lifecycle, from data acquisition and pipeline creation to model training, deployment, monitoring, and continuous iteration in production environments. They act as a bridge, communicating complex technical concepts to non-technical stakeholders and collaborating with product managers, data scientists, and business leaders to ensure successful project outcomes. Furthermore, they are often tasked with establishing technical governance, making critical stack and tooling decisions, and identifying and mitigating technical risks. To qualify for Principal Engineer - AI/ML jobs, candidates must possess a formidable combination of education, experience, and skills. Typically, a Master's or Ph.D. in Computer Science, Statistics, or a related field is expected, coupled with 10+ years of progressive software engineering experience, with a significant portion dedicated to AI/ML. A deep, practical understanding of machine learning frameworks like TensorFlow or PyTorch is essential, as is proficiency in programming languages such as Python, Java, or Scala. Expertise in cloud platforms (AWS, GCP, Azure) and MLOps practices for automating the ML lifecycle is a standard requirement. Beyond technical prowess, successful candidates demonstrate exceptional leadership, strategic thinking, and communication skills. They have a proven track record of architecting and delivering complex, large-scale AI systems into production and possess the ability to mentor senior engineers and influence technical strategy across an organization. If you are ready to shape the future of technology and lead from the front, discovering the right Principal Engineer - AI/ML jobs is your next critical step.

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