Machine Learning Engineer, Enterprise Brain

About Glean

Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry's most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles.

At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean's agentic capabilities - AI agents that automate real work across teams by accessing the industry's broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level.

Recognized by Fast Company as one of the World's Most Innovative Companies (Top 10, 2025), by CNBC's Disruptor 50, Bloomberg's AI Startups to Watch (2026), Forbes AI 50, and Gartner's Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we're helping the world's largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality.

About the Role

Glean is seeking a few Machine Learning engineers who want to focus on a combination of Quality and traditional ML work to help us build the Enterprise Brain. The Enterprise Brain team is developing a suite of proactive AI products that aims to revolutionize enterprise workflows by proactively detecting and automating tasks for users - thus unlocking true productivity. This is built on top of a deep user understanding and state of the art Enterprise graph. The project involves using both LLM and other advanced ML techniques, agent orchestration and cutting-edge ranking techniques.

Responsibilities

• Work on deeply challenging ML problems involving user understanding and task prediction
• Invent new LLM workflows and signals to improve reasoning, planning, and personalization
• Design and optimize reinforcement learning and fine-tuning approaches to improve the quality of understanding, prediction and other agentic systems
• Lead development of scalable evaluation, benchmarking, and optimization loops
• Build and maintain robust ML pipelines for enterprise and knowledge graph construction
• Drive initiatives to measure, monitor, and improve data quality, model quality, and end-to-end system performance
• Collaborate with cross-functional teams to deeply understand customer pain points and deliver high-quality, production-ready ML solutions
• Mentor junior engineers or learn from experienced ones in a tight-knit, high-velocity environment

Requirements

• Experience: 6+ years of industry experience in machine learning engineering
• Education: BA/BS in computer science, math, sciences, or a related field
• Skills: Proven ability to design, build, and ship production-ready models and systems
• Expertise: Demonstrated expertise in ML evaluation, benchmarking, and data quality
• Technical proficiency: Proficient in an ML framework of your choice, such as TensorFlow or PyTorch
• Work style: Thrive in a fast-moving, ambiguous environment, turning open-ended customer and ML problems into clear priorities and production-ready solutions
• Balance: Balance speed with quality, making pragmatic tradeoffs to deliver measurable progress without losing sight of production readiness

Location

This role is hybrid (4 days a week in our Mountain View office)

Compensation & Benefits

Salary: The standard base salary range for this position is $200,000 - $280,000 annually. Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Certain roles may be eligible for variable compensation, equity, and benefits.

Benefits package includes:

• Competitive compensation
• Medical, Vision, and Dental coverage
• Generous time-off policy
• 401k plan
• Home office improvement stipend
• Annual education and wellness stipends
• Regular company events
• Healthy lunches daily

Commitment to Diversity

We're committed to building and sustaining a diverse, inclusive workplace. We strive to attract and retain people with a wide range of backgrounds, experiences, and perspectives, and we do not discriminate on the basis of gender, ethnicity, sexual orientation, religion, civil or family status, age, disability, or race.

AI-First Mindset at Glean

At Glean, AI fluency is core to how we work and we're committed to ensuring every new hire feels confident integrating AI into their everyday work. As part of the interview process, you'll complete a brief AI-focused exercise or discussion so we can understand how you think about, design, and use AI to drive impact in your role. Feel free to reference any tools, platforms, or workflows you use today — prior Glean experience isn't required.

Global Data Privacy Notice

Depending on your location, the General Data Protection Regulation (GDPR), California Consumer Privacy Act (CCPA), or other privacy laws may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available in our Privacy Policy. By submitting your application, you are agreeing to our use and processing of your data as required. US applicants and their applications are subject to arbitration of disputes as outlined in our Applicant Arbitration Agreement.