Team Lead – Data & Analytics

Marsh McLennan

. Manage projects . Associate Team Leaders and Team Leaders typically work on one project at a time; Directors typically work on two smaller assignments or one large, more complex assignment . Develop hypotheses, manage

Posted 9/21/2026full-timeUnited StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong analytical capabilities and expertise in data manipulation using tools such as R, Python, and SQL. Proven ability to manage projects, coach team members, and deliver high-quality results in a fast-paced consulting environment.

Highest-signal resume keywords

Project ManagementAdvanced AnalyticsData Manipulation SoftwareTeam LeadershipCommunication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data AnalysisStatistical ModelingHypothesis DevelopmentData CollectionDocumentationRPythonSASSQLSPSS

Soft Skills

CollaborationCoachingProblem-SolvingTime ManagementConfidentiality

Industry Keywords

Quantitative DisciplineConsultingFinancial InstitutionsTop Tier BankingData Science

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Manage projects
Associate Team Leaders and Team Leaders typically work on one project at a time; Directors typically work on two smaller assignments or one large, more complex assignment
Develop hypotheses, manage data collection, create models and analyses, conduct primary and secondary research, creatively tackle information limitations, surface insights, and oversee analysts’ work
Use Partners and the internal network to provide technical and senior-level steer to projects
Work with clients to complete project deliverables to a high standard
Maintain team energy and positive work-life balance
Coach Oliver Wyman and client team members to develop their skills

Requirements

What you’ll need

Bachelor’s or Master’s degree in a quantitative discipline; ideally Mathematics, Statistics, Physics, Computer Science, Informatics, Data Science, or Engineering
Strong analysis, documentation, and communication skills
Experience using advanced analytics and data manipulation software: R, Python, SAS, SQL, or SPSS
Ability to work effectively and collaboratively in a team
Ability to work independently under limited supervision and respect defined timelines
Ability to present results, potential issues, and implications effectively
Excellent command of English, verbal and written
Ability to manage demanding work volume and meet deadlines in a fast-paced environment
Ability to maintain and respect confidentiality
Willingness to travel regularly
Unrestricted U.S. work authorization required
Associate Team Leader: at least 3 years of previous working experience in specialised consulting firms, top tier banking, or financial institutions
Team Leader: at least 5 years of previous working experience in specialised consulting firms, top tier banking, or financial institutions
Director: at least 8 years of previous working experience in specialised consulting firms, top tier banking, or financial institutions
Oliver Wyman does not offer sponsorship for this position

Benefits

Comp & perks

Competitive salary and benefits
Flexible working and market leading work life balance
Opportunities to travel internationally
Dedicated buddy, career adviser, and talent manager
Flexibility to balance career aspirations with personal life
Hybrid work flexibility
Collaboration, connections, and professional development benefits from working together in the office