Principal Machine Learning Engineer - LLMOps

Posted 2 Days Ago
Be an Early Applicant
Waltham, MA
212K-292K Annually
Senior level
Big Data • Information Technology • Machine Learning • Sales • Software • Database • Generative AI
The go-to-market platform to find, acquire, and grow customers.
The Role
As a Principal Machine Learning Engineer at ZoomInfo, you'll design and develop a scalable LLMOps platform, implement model evaluation frameworks, fine-tune LLMs, optimize knowledge graphs, and collaborate with teams to integrate AI capabilities, while mentoring others in AI engineering best practices.
Summary Generated by Built In

At ZoomInfo, we encourage creativity, value innovation, demand teamwork, expect accountability and cherish results. We value your take charge, take initiative, get stuff done attitude and will help you unlock your growth potential. One great choice can change everything. Thrive with us at ZoomInfo.

About Us:

We're building the next generation of AI-powered B2B solutions at scale. Our team is at the forefront of deploying large language models (LLMs) and knowledge graphs to transform how businesses access and use information. We work closely with product, engineering, and ML teams to bring cutting-edge AI capabilities to production.

What You'll Do:

  • Design and build a scalable LLMOps platform to support multiple production AI applications
  • Create and implement evaluation frameworks and guardrails for LLM deployments
  • Fine-tune embedding models and pre-train LLMs for specific business use cases
  • Develop proof-of-concepts for new AI technologies and compare them with existing approaches
  • Build and optimize knowledge graphs for search and recommendation systems
  • Work with ML teams to enable new AI capabilities across our product suite
  • Share knowledge and mentor team members on best practices in AI engineering

What You Bring:

  • 5+ years of experience in machine learning engineering or AI infrastructure
  • Strong background in deploying open-source LLMs in production environments
  • Hands-on experience with model fine-tuning and embedding models
  • Expertise in RAG (Retrieval Augmented Generation) and vector databases
  • Knowledge of LLM evaluation methods and governance
  • Experience with tools like Hugging Face and modern ML frameworks
  • Background in Computer Science, Electrical Engineering, or related field (Masters/PhD preferred)

Ideal Experience:

  • Built and scaled AI systems at companies with strong technical cultures
  • Worked on knowledge graphs, search, or recommendation systems
  • Experience with B2B or B2C products using AI at scale
  •  

Why You'll Love It Here:

  • Work on cutting-edge AI technology that directly impacts business outcomes
  • End-to-end ownership of features from concept to production
  • Collaborative team environment focused on learning and mentorship
  • Opportunity to publish and share work with the broader AI community
  • Build next-generation AI capabilities used by leading global companies

We're looking for curious minds who love solving complex problems and want to shape the future of AI in enterprise software. If you're excited about building reliable, scalable AI systems that deliver real business value, we want to talk to you!

Location: Remote / USA

Type: Full-time

Actual compensation offered will be based on factors such as the candidate’s work location, qualifications, skills, experience and/or training. Your recruiter can share more information about the specific salary range for your desired work location during the hiring process. We want our employees and their families to thrive.

In addition to comprehensive benefits we offer holistic mind, body and lifestyle programs designed for overall well-being. Learn more about ZoomInfo benefits here.

Below is the US base salary for this position. Additional compensation such as Bonus, Commission, Equity and other benefits may also apply.

$212,000$291,500 USD

About us: 

ZoomInfo (NASDAQ: ZI) is the trusted go-to-market platform for businesses to find, acquire, and grow their customers. It delivers accurate, real-time data, insights, and technology to more than 35,000 companies worldwide. Businesses use ZoomInfo to increase efficiency, consolidate technology stacks, and align their sales and marketing teams — all in one platform. 

ZoomInfo may use a software-based assessment as part of the recruitment process. More information about this tool, including the results of the most recent bias audit, is available here.

ZoomInfo is proud to be an Equal Opportunity Employer.  We are committed to equal employment opportunities for applicants and employees regardless of sex, race, age, color, national origin, sexual orientation, gender identity, marital status, disability status, religion, protected military or veteran status, medical condition, or any other characteristic or status protected by applicable law. At ZoomInfo, we also consider qualified candidates with criminal histories, consistent with legal requirements.

Top Skills

Machine Learning
The Company
HQ: Vancouver, WA
3,500 Employees
Hybrid Workplace
Year Founded: 2007

What We Do

ZoomInfo is the go-to-market (GTM) platform for businesses development and revenue growth. Powered by real-time data and insights, our unified engagement platform helps sales and marketing teams find, acquire, and grow customers.

Why Work With Us

ZoomInfo is where the world’s brightest minds in Data and Go-To-Market come together to do their best work.

We’re a founder-led organization that recognizes your success with 2x the career mobility of our SaaS peers. Being action-oriented, resourceful, and resilient will not only help you fit in, it will help you thrive.

Gallery

Gallery

Similar Jobs

DraftKings Logo DraftKings

Lead Machine Learning Engineer. Platform

Digital Media • Gaming • Information Technology • Software • Sports • Esports • Big Data Analytics
Hybrid
Boston, MA, USA
5300 Employees

Klaviyo Logo Klaviyo

Machine Learning Technical Lead

Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI
Hybrid
Boston, MA, USA
2000 Employees
248K-372K Annually

Kensho Technologies Logo Kensho Technologies

Machine Learning Engineer - Summer Intern 2025

Artificial Intelligence • Fintech • Machine Learning • Natural Language Processing • Software • Generative AI
Hybrid
Cambridge, MA, USA
100 Employees
2 Locations
5001 Employees

Similar Companies Hiring

Stepful Thumbnail
Software • Healthtech • Edtech • Artificial Intelligence
New York, New York
60 Employees
HERE Technologies Thumbnail
Software • Logistics • Internet of Things • Information Technology • Computer Vision • Automotive • Artificial Intelligence
Amsterdam, NL
6000 Employees
True Anomaly Thumbnail
Software • Machine Learning • Hardware • Defense • Artificial Intelligence • Aerospace
Colorado Springs, CO
131 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account