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Principal Ml Engineer Jobs (NOW HIRING)

Xometry

Senior Principal, ML/AI

North Bethesda, MD · On-site

$125K - $173K/yr

Xometry is seeking a Senior Principal, Machine Learning & Artificial Intelligence to join our team ... You will work closely with engineering, product, design, manufacturing operations, and business ...

Xometry

Senior Principal, ML/AI

Waltham, MA

$135K - $186K/yr

Xometry is seeking a Senior Principal, Machine Learning & Artificial Intelligence to join our team ... You will work closely with engineering, product, design, manufacturing operations, and business ...

Lululemon

Principal AI/ML Engineer

Seattle, WA · On-site

Core responsibilities As a Principal AI/ML Engineer, you will define and drive implementation approaches for enterprise-scale AI initiatives that transform how lululemon operates and delivers value.

NxT Level

Principal AI / ML Engineer

Minneapolis, MN · On-site +1

We're looking for a Principal Machine Learning Engineer to build AI features for the family ... Significant experience in AI/ML engineering with a strong data science background. * Demonstrated ...

NxT Level

Principal AI / ML Engineer

Minneapolis, MN · On-site

We're looking for a Principal Machine Learning Engineer to build AI features for the family ... Significant experience in AI/ML engineering with a strong data science background. * Demonstrated ...

lululemon

Principal AI/ML Engineer

Seattle, WA · On-site

Core responsibilities As a Principal AI/ML Engineer, you will define and drive implementation approaches for enterprise-scale AI initiatives that transform how lululemon operates and delivers value.

Axon

Principal Machine Learning Engineer

Seattle, WA · Hybrid

As a Principal ML Engineer at Dedrone, you will contribute to architecting and implementing the platform used by Dedrone scientists to bring safe, secure, reliable AI features to the field of counter ...

WEX

AI Principal Engineer

Position Summary As a Principal AI/ML engineer, this technical leader will be responsible for the design and implementation of the cloud-native AI/ML engineering platform (supporting both GenAI and ...

eNett

AI Principal Engineer

Position Summary As a Principal AI/ML engineer, this technical leader will be responsible for the design and implementation of the cloud-native AI/ML engineering platform (supporting both GenAI and ...

WEX, Inc.

AI Principal Engineer

Position Summary As a Principal AI/ML engineer, this technical leader will be responsible for the design and implementation of the cloud-native AI/ML engineering platform (supporting both GenAI and ...

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Principal Ml Engineer information

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$147.2K

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How much do principal ml engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for principal ml engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is the difference between Principal Ml Engineer vs Machine Learning Engineer?

AspectPrincipal ML EngineerMachine Learning Engineer
Required CredentialsBachelor's/Master's/PhD in CS, Data Science, or related; extensive experience in MLBachelor's/Master's in CS, Data Science, or related; some experience in ML
Work EnvironmentLeadership roles, strategic planning, cross-team collaborationDevelopment, implementation, testing of ML models
Employer & Industry UsageTech companies, large enterprises, research institutionsStartups, tech firms, product teams
Search & Comparison IntentUnderstanding senior technical roles in MLEntry to mid-level ML development roles

The Principal ML Engineer typically holds a senior, strategic position with leadership responsibilities, overseeing ML projects and guiding teams. In contrast, Machine Learning Engineers focus on developing and deploying ML models. Both roles require strong technical skills, but the Principal ML Engineer often has more experience and a broader scope of influence within organizations.

What cities are hiring for Principal Ml Engineer jobs?

Cities with the most Principal Ml Engineer job openings:

What states have the most Principal Ml Engineer jobs?

States with the most job openings for Principal Ml Engineer jobs include:

What are popular job titles related to Principal Ml Engineer jobs?

For Principal Ml Engineer jobs, the most frequently searched job titles are:

Principal Ml Engineer jobs near you

Senior Principal, ML/AI

North Bethesda, MD • On-site

Xometry
Software Development • 501 - 1,000 employees
Learn more about Xometryexternal

$125K - $173K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago

Job description

Xometry (NASDAQ: XMTR) powers the industries of today and tomorrow by connecting the people with big ideas to the manufacturers who can bring them to life. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.
Xometry is seeking a Senior Principal, Machine Learning & Artificial Intelligence to join our team. You will serve as a technical leader for large, cross-functional ML/AI initiatives that have significant and lasting business impact. You will own and drive an 18- to 24-month technical roadmap that balances innovation with business value delivery. You will work closely with engineering, product, design, manufacturing operations, and business leadership to influence partner roadmaps and resourcing. You will be a respected subject-matter expert, proactively removing roadblocks for teams and tackling problems beyond your immediate scope. You will identify and lead on opportunities to drive revenue growth, cost reduction, efficiency improvement, and competitive differentiation - especially in areas involving 2D/3D part understanding, generative AI, and advanced machine-learning platforms.
How You'll Contribute:
  • Serve as the technical leader of multiple large, cross-functional ML/AI solutions with significant, lasting impact across Xometry's business
  • Define, and drive the 18-24-month ML/AI technical roadmap - balancing breakthrough innovation (e.g., generative 3D, foundation models, large-scale vision/3D pipelines) with reliable business value delivery (e.g., quoting accuracy, lead-time reduction, defect detection, cost optimization)
  • Influence partner roadmaps across engineering, product, operations, and business teams: align priorities, advise on resourcing, champion ML/AI best practices
  • Proactively identify and remove roadblocks for teams and projects - whether technical, operational, data-related, or resource constraints
  • Mentorship of individuals and technical teams
  • Act as a trusted SME with strong cross-functional partnerships: your insights and guidance will shape ML/AI infrastructure, data, model, infrastructure, and tooling decisions
  • Play a leadership role in identifying areas of opportunity - e.g., using ML/AI to unlock new revenue streams (e.g., rapid quoting for new manufacturing modalities, generative design for customers), reduce cost (e.g., automated quality inspection), or optimize efficiency (e.g., 3D-geometry classification, defect detection, generating manufacturing ready models)
  • Address problems adjacent to your sphere of immediate influence: proactively tackle challenges outside direct scope and champion holistic solutions
  • Stay ahead of industry developments in ML, AI, generative AI, 2D/3D modeling and manufacturing tech; translate insights into the improvement of internal best practices, tooling, frameworks, model governance, data pipelines, and operationalization
  • Consistently scrutinize existing work, identify opportunities for incremental growth and efficiency optimization - whether in inference latency, model retraining intervals, feature pipelines, cost of compute, or automation of manual tasks

What You'll Bring to Xometry:
  • Master's or PhD in Computer Science, Machine Learning, Applied Mathematics, Electrical Engineering or related field (PhD preferred for deep generative/3D modeling emphasis)
  • 12+ years of professional experience in machine learning, artificial intelligence, or data science roles - with several years in senior or principal capacity leading major programs
  • Demonstrated experience architecting and delivering large scale ML/AI solutions - end-to-end from data ingestion, feature engineering, model training, evaluation, deployment, monitoring & operations
  • Deep expertise in machine learning frameworks (TensorFlow, PyTorch), data engineering, model infrastructure, MLOps, cloud platforms (AWS, GCP, Azure), and scalable production systems
  • Experience in 3D modeling / geometry / computer vision / generative models (e.g., point-cloud processing, mesh processing, text23D, image23D, CAD/CAM integration) is highly desirable
  • Strong exposure to generative AI techniques (large language models, multimodal models, diffusion, GANs) and translating them into business use-cases
  • Excellent cross-functional collaboration skills: you can partner with product, engineering, ops, manufacturing, design, business leadership and translate technical concepts into business language
  • Proven ability to influence without direct authority and drive change across organizations
  • Strong communication and presentation skills; you can articulate technical vision, roadmap, trade-offs and outcomes to senior leadership
  • Track record of identifying and delivering measurable business impact via ML/AI - e.g., revenue growth, cost savings, improved efficiency
  • Experience mentoring and guiding teams of ML engineers / data scientists / AI researchers, shaping team culture, practices, and career growth

The estimated base salary range for new hires into this role is $150,000- $196,000 annually + bonus depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 401(k) match, medical, dental and vision insurance; life and disability insurance; generous paid time off including vacation, sick leave, floating and fixed holidays, maternity and bonding leave; EAP, other wellbeing resources; and much more.
#LI-Hybrid
Xometry is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.
For US based roles: Xometry participates in E-Verify and after a job offer is accepted, will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
Xometry logo

About Xometry

Sourced by ZipRecruiter

Xometry (NASDAQ: XMTR) powers the industries of today and tomorrow by connecting the people with big ideas to the manufacturers who can bring them to life. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity.

Industry

Software development

Company size

501 - 1,000 Employees

Headquarters location

Gaithersburg, MD, US

Year founded

2013

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