Senior AI/ML Scientist

Vanguard Group, Inc.

$130K — $155K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of hands-on Python experience, with distributed data processing as a plus.
  • 3+ years delivering AI/ML solutions in production environments.
  • MS or PhD in Computer Science, Machine Learning, Data Science, or a related quantitative field.
  • Strong experience with Natural Language Processing (NLP) and unstructured text.
  • Experience designing AI agents that reason, plan, and act across systems.
  • Hands-on experience building enterprise LLM applications (e.g., RAG, tool use, orchestration, evaluation).
  • Excellent communication skills with the ability to explain complex concepts to diverse audiences.

Responsibilities

  • Design and build advanced ML models using multi-dimensional data to drive business decisions.
  • Create enterprise knowledge systems that integrate structured and unstructured data for AI agents.
  • Partner with stakeholders to identify and prioritize high-value business problems for AI solutions.
  • Implement evaluation frameworks to measure model effectiveness and user adoption in a business context.
  • Architect and develop agentic AI systems for reasoning and planning across tools and workflows.
  • Collaborate with engineering teams to ensure scalable and secure AI solution deployment.
  • Act as a trusted AI advisor, mentoring teams on leveraging Agentic AI and LLMs.

Benefits

  • Collaborative work environment with a focus on innovation and continual learning.
  • Opportunities for professional development and mentoring.
  • Access to cutting-edge technologies and tools in AI and ML.
  • Contributions to best practices and strategic direction in AI.
Full Job Description

Responsibilities:

Solve Business Problems with AI

  • Design and build advanced ML models that integrate multi-dimensional data into insights and signals that drive critical business decisions.

  • Design and build enterprise knowledge systems that integrate structured and unstructured data across multiple business platforms, enabling AI agents to retrieve, reason over, and operationalize trusted organizational knowledge.

  • Partner with business stakeholders toidentify, frame, and prioritize highvalue problems that can be addressed using Agentic AI, LLMs, and ML.

  • Define and implement business-centric evaluation frameworks that measure coverage, relevance, trustworthiness, explainability, and user adoption in addition to technical model performance.

  • Focus onbusiness outcomes, not just model performance.

Design & Build Agentic AI Solutions

  • Architect and developagentic AI systems that can reason, plan, and take actions across tools, workflows, and data sources.

  • Design multiagent and toolaugmented LLM solutions to automate complex, multistep processes.

  • Ensure solutions arereliable, explainable, and governed for enterprise use.

Scalable & Responsible AI

  • Collaborate with engineering teams to deploy AI solutions withscalability, security, and performance in mind.

  • Implement evaluation, monitoring, and guardrails for LLM and agentic systems, including bias, drift, and failure modes.

  • Align solutions with enterprise risk management, compliance, and responsible AI standards.

Thought Leadership & Collaboration

  • Act as atrusted AI advisor, helping teams understand where Agentic AI and LLMs add valueand where they do not.

  • Contribute to AI best practices, reusable patterns, and strategic direction.

  • Mentor peers and teammates on applied AI and businessdriven problem solving.

Qualifications:

  • Agentic AI: Experience designing AI agents that reason, plan, and act across systems.

  • Large Language Models (LLMs): Handson experience building enterprise LLM applications (e.g., RAG, tool use, orchestration, evaluation).

  • Natural Language Processing (NLP): Strong experience working with unstructured text and languagedriven workflows.

  • ML: Hands on experience with Gradient Boosting methods, familiar with preeminent hyper-parameter tuning and interpretability options.

  • MS or PhD in Computer Science, Machine Learning, Data Science, or a related quantitative field.

  • 3+ years delivering AI/ML solutions in production environments.

  • 5+ years of handson Python experience; experience with distributed data processing is a plus.

  • 0Strong ability tosolve business problems using AI, not just build models.

  • Excellent communication skills, with the ability to explain complex concepts to both technical and nontechnical audiences.

  • Experience working in crossfunctional, enterprise environments.

Special Factors

Sponsorship

Vanguard is not offering visa sponsorship for this position.

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