Full-Time

Data Engineer / Senior Data Engineer

Data and Analytics, DNA

Updated on 8/22/2026

Marsh & McLennan

Marsh & McLennan

Risk, insurance and business consulting

No salary listed

Gurugram, Haryana, India

Hybrid

At least three days per week in the local office or onsite with clients.

Bachelor's, Master's

Category
Data & Analytics (1)
Required Skills
Scikit-learn
Kubernetes
Microsoft Azure
FastAPI
Python
Airflow
SAS
MySQL
TensorFlow
R
Apache Spark
SQL
Machine Learning
Postgres
RDBMS
ETL
Data Engineering
Docker
AWS
MongoDB
Flask
DevOps
Oracle
Databricks
Cassandra
Snowflake
Django
Google Cloud Platform
Requirements
  • A bachelor's or master's degree in a computational or quantitative discipline, such as Computer Science, Informatics, or Data Science.
  • Relevant prior experience in quantitatively intense areas.
  • Strong mentoring skills for Senior and Lead levels.
  • Experience designing and deploying cloud-native data applications.
  • Hands-on knowledge of test-driven development and continuous integration/continuous delivery pipeline integration.
  • Ability to independently prioritize workload and meet deadlines in fast-paced environments.
  • Strong team collaboration skills and excellent verbal and written communication in English.
  • Willingness to travel internationally as required.
  • Strong respect for confidentiality and data security.
  • Prior experience designing and deploying large-scale data solutions.
  • Fluency in Python; experience with R or SAS is desired.
  • Experience with cloud platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform.
  • Strong SQL skills and experience with relational databases such as MySQL, PostgreSQL, or Oracle.
  • Familiarity with big-data tools and frameworks such as PySpark, Databricks, Snowflake, and dbt.
  • Basic hands-on experience with data-engineering tasks, including productizing data pipelines, building continuous integration and continuous delivery pipelines, and code orchestration using tools such as Airflow and DevOps.
  • Familiarity with modern storage and computational frameworks.
Responsibilities
  • Work alongside Oliver Wyman consulting teams and partners, engaging directly with clients to understand their business challenges.
  • Explore large-scale data and design, develop, and maintain data and software pipelines and extract, transform, and load processes for internal and external stakeholders.
  • Explain, refine, and develop the architecture needed to guide stakeholders through model building.
  • Advocate best practices in data engineering, code hygiene, and code reviews.
  • Lead development of proprietary data-engineering assets, machine-learning algorithms, and analytical tools across varied projects.
  • Create and maintain documentation for stakeholders and runbooks for operational excellence.
  • Work with partners and principals to shape proposals showcasing data-engineering and analytics capabilities.
  • Travel to client locations globally when required, understand their problems, and deliver appropriate solutions collaboratively.
  • Keep up with emerging state-of-the-art data-engineering techniques.
Desired Qualifications
  • Experience with R or SAS.
  • Compelling side projects or contributions to the open-source community.
  • Awareness of machine-learning frameworks such as Scikit-learn and TensorFlow.
  • Familiarity with containerization technologies such as Docker and Kubernetes.
  • Experience with backend web frameworks such as FastAPI, Flask, or Django.
  • Experience with NoSQL databases such as MongoDB or Cassandra.

Marsh, formerly Marsh McLennan, is a global professional services firm focused on risk, insurance, reinsurance, talent and business strategy. Its operating businesses help organizations arrange coverage, model and transfer risk, design workforce programs and address complex management questions. Clients range from growing companies to governments and multinational enterprises. The group combines advisory expertise with insurance-market access and data, making it broader than an insurance broker alone while remaining primarily a business-to-business services organization.

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