Marsh & McLennan Companies

Oliver Wyman - Senior Lead AI Engineer

Marsh & McLennan Companies
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5 days ago
Boston, MA, USA +3 moreStaff+

Base Salary

$195k - $250k/yr

Responsibilities

  • Manage technical projects and help teams design and build extensible, production-quality AI/ML systems and pipelines.
  • Explore data and craft AI solutions addressing core business problems.
  • Work with Partners and Principals to shape proposals using AI and engineering capabilities.
  • Build and deploy LLM-based agent systems in production.
  • Lead development of proprietary AI/ML solutions, algorithms, analytical tools, and infrastructure.
  • Design and operate evaluation frameworks and observability tooling to measure AI quality, detect failure modes, and maintain production performance.
  • Apply best practices in modeling, code hygiene, and data engineering while engaging directly with clients and collaborating across Oliver Wyman teams.

Requirements

  • Technical background in computer science, data science, machine learning, artificial intelligence, statistics, or another quantitative and computational science discipline.
  • Compelling track record designing and deploying large-scale technical solutions that deliver sustained value.
  • Direct experience building and deploying robust, complex production systems implementing modern artificial intelligence at scale.
  • Fluency in modern programming languages for AI and agents across the end-to-end AI development lifecycle.
  • Knowledge of one or more agentic platforms, such as Azure Foundry, AWS Bedrock, or Gemini Enterprise Agent Platform.
  • Deep familiarity with compound AI systems, including retrieval-augmented generation, tool use, agentic memory, and multi-agent orchestration.
  • Proficiency in LLM system design, including prompt engineering, context and token management, structured output, fine-tuning tradeoffs, and cost and latency optimization.
  • Practical awareness of AI risk, bias, and governance, including identifying and mitigating failure modes in high-stakes or regulated environments.
  • Solid theoretical grounding in AI/ML mathematics and applied understanding of modeling or analytical techniques, including statistics, linear algebra, and vector calculus.
  • Ability to make consequential design decisions rapidly in large, time-boxed projects.
  • Experience presenting at high-impact AI/ML engineering conferences and strong AI/ML engineering community connections is valued.
  • Side projects or open-source contributions and background in financial services, healthcare and life sciences, consumer, retail, energy, or transportation are valued.

Benefits

  • Applicable base salary range is $195K to $250K USD, with potential eligibility for performance-based incentives.
  • Benefits include health and welfare benefits, tuition assistance, 401K savings, other retirement programs, and employee assistance programs.
  • Hybrid work arrangement requires colleagues to work in their local office or onsite with clients at least three days per week; office-based teams identify at least one weekly anchor day.
  • The role is available across Oliver Wyman offices including New York, Boston, Chicago, and DC.
  • Oliver Wyman provides a diverse, inclusive, and flexible work environment and reasonable accommodation support.
Marsh & McLennan Companies

About Marsh & McLennan Companies

501-1,000 employees
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