Oliver Wyman - Senior Lead Engineer

About the role

At Oliver Wyman Quotient we partner with clients to deliver breakthrough outcomes for their toughest AI challenges. We blend the power of AI technology with deep industry expertise to tackle disruption and create impact. By building strong capabilities and culture, we accelerate and embed AI transformation. Our people co-create and grow customer-focused solutions that win. We modernize technology and harness value from data and analytics. We build resilience so our clients are ready for tomorrow’s risks and optimize operations for the future. Above all, we work collaboratively with our clients’ leaders, employees, stakeholders, and customers to jointly define, design, and achieve lasting results.

Responsibilities

• Manage technical projects and help teams design and build AI/ML systems and pipelines that consistently drive solutions to be extensible and production quality.
• Act as an expert in selected domains and contrast methods to select appropriate approaches based on the data or modelling problem at hand.
• Work alongside Oliver Wyman partners in Quotient and other practice groups, engage directly with clients to understand their business challenges, and craft appropriate solutions.
• Explore data and craft AI solutions to answer core business problems.
• Work with Partners and Principals to shape proposals that leverage our AI and engineering capabilities.
• Build and deploy LLM-based agent systems in production.
• Keep up with domain state of the art and develop familiarity with emerging modelling and data engineering methodologies.
• Advocate application of best practices in modelling, code hygiene and data engineering.
• Lead the development of proprietary AI/ML solutions, algorithms, or analytical tools and infrastructure on projects and asset development.

Qualifications

• Technical background in computer science, data science, machine learning, artificial intelligence, statistics or other quantitative and computational science.
• Compelling track record of designing and deploying large-scale technical solutions that deliver tangible, ongoing value, including direct experience having built and deployed robust, complex production systems that implement modern artificial intelligence at scale.
• Comfort in environments where large projects are time-boxed, and consequential design decisions may need to be made and acted upon rapidly.
• Demonstrated fluency in modern programming languages for artificial intelligence / agents, covering the end-to-end AI development lifecycle.
• Knowledge of one or more agentic platforms, including but not limited to: Azure Foundry, AWS Bedrock, Gemini Enterprise Agent Platform.
• Deep familiarity with the architecture, performance characteristics, and limitations of compound AI systems, including retrieval-augmented generation, tool use, agentic memory, and multi-agent orchestration.
• Experience designing and operating evaluation frameworks and observability tooling to measure AI system quality, detect failure modes, and maintain performance in production.
• Proficiency in LLM system design, including prompt engineering, context and token management, structured output, fine-tuning tradeoffs, and cost/latency optimization.
• Practical awareness of AI risk, bias, and governance, including how to identify and mitigate failure modes in high-stakes or regulated environments.
• Solid theoretical grounding in the mathematical core of the major ideas in AI/ML: applied understanding of a class of modelling or analytical techniques.
• Fluency in the mathematical principles and generalizations of data science – e.g., Statistics, Linear Algebra and Vector Calculus.
• Experience presenting at high-impact AI/ML engineering conferences and solid connections to the AI/ML engineering community (e.g., via meetups, open-source contributions, continuing relationships with academics, etc.) is highly valued.
• Interest/background in Financial Services, Healthcare and Life Sciences, Consumer, Retail, Energy, or Transportation industries.

Benefits

• Health and welfare benefits
• Tuition assistance
• 401K savings and other retirement programs
• Employee assistance programs

Pay

The applicable base salary range for this role is $195K to $250K USD. The base pay offered will be determined on factors such as experience, skills, training, location, certifications, and education. Decisions will be determined on a case-by-case basis. In addition to the base salary, this position may be eligible for performance-based incentives.

Schedule

Marsh McLennan is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh McLennan colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.