Role - Senior Principal Engineer - Data Science
No of roles - 1
Location - Mumbai
Last date to apply - 29th July 2026
We are seeking a talented individual to join our Global commercial Insights & Analytics team at Marsh This role will be based in Mumbai. This is a hybrid role that has a requirement of working at least three days a week in the office.
Job Title: Senior Principal Engineer - Data Science
We will count on you to:
Collaborate with international stakeholders to align analyses with business objectives.
Manage large, complex datasets and implement process improvements for scalability and automation.
Use Python for data gathering, analysis, and modeling to derive actionable insights.
Demonstrate strong database management skills, writing intermediate to complex SQL queries.
Work on prescriptive analysis using Data Science techniques to forecast sales and opportunities.
Utilize data visualization techniques to clearly communicate insights.
Design and implement AI workflows and API integrations to solve business problems.
Manage multiple projects under tight deadlines, demonstrating effective prioritization and time management.
Communicate complex information clearly and concisely to diverse audiences, both verbally and in writing.
What you need to have:
Minimum 12 months experience as Principal Engineer - Data Science (C2) / Senior Principal Engineer - Data Science (D1)
Should have at least “On-Track” or equivalent rating in last appraisal.
Should not be under any Performance Counselling Plan or had any official disciplinary action within the last 3 months.
Should not have applied for any other IJP in the last 3 months.
Bachelor’s degree in engineering, Analytics, or a related field, or a Master's degree in Statistics, Computer Applications, IT, Business Analytics, or any discipline.
3-5 years of progressive experience mining large complex data sets, using a variety of advanced quantitative/modelling techniques Strong knowledge of statistical concepts and their application in data analysis.
Strong technical expertise with building data models, data mining, and segmentation techniques using Python/ R
Familiarity with big data technologies and cloud platforms is a plus.
Excellent problem-solving and critical-thinking skills
Synthesis skills- Ability to connect the dots and answer the business question.
Ability to work independently and collaboratively in a fast-paced environment.
Disclaimer:-
Please note that the relocation assistance shall not be provided for the said position
Candidates who wish to apply for inter-location positions are required to check with the Transport Help Desk (THD) to confirm if their place of residence is within the served transport service zone
Mention your employee id and official email address in the resume
What makes you stand out?
A commercial sense to apply proportionality to the depth of analytics used versus desired output.
Ability to take initiatives to strive for improvement in analytics techniques, process and output.
Why join our team:
We help you be your best through professional development opportunities, interesting work and supportive leaders.
We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Skills Required
- Minimum 12 months experience as Principal Engineer - Data Science or Senior Principal Engineer - Data Science
- On-Track or equivalent rating in last appraisal
- Not under Performance Counselling Plan or disciplinary action within last 3 months
- Not applied for any other IJP in the last 3 months
- Bachelor's degree in Engineering, Analytics, or related field or Master's in Statistics, Computer Applications, IT, Business Analytics, or any discipline
- 3-5 years progressive experience mining large complex datasets using advanced quantitative/modelling techniques
- Strong knowledge of statistical concepts and their application in data analysis
- Strong technical expertise building data models, data mining, and segmentation using Python or R
- Strong database management skills; ability to write intermediate to complex SQL queries
- Design and implement AI workflows and API integrations to solve business problems
- Ability to utilize data visualization techniques to communicate insights
- Excellent problem-solving, critical-thinking, communication, and time-management skills; ability to manage multiple projects
- Familiarity with big data technologies and cloud platforms
Marsh McLennan Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Marsh McLennan and has not been reviewed or approved by Marsh McLennan.
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Leave & Time Off Breadth — Leave offerings are described as generous, including sizable PTO, paid holidays, paid sick days, and additional time off such as paid volunteer time and “Summer days.” These time-off benefits are portrayed as a standout part of the overall rewards package.
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Healthcare Strength — Healthcare coverage is characterized as comprehensive, spanning medical, dental, and vision options, with additional supports like disability and life insurance and access to mental health resources and an EAP. The breadth of plan options is positioned as a core strength of the benefits package.
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Retirement Support — Retirement benefits are framed as solid, with 401(k) programs and employer matching frequently highlighted alongside other financial programs. Stock purchase options are also referenced as an additional wealth-building component of the total rewards mix.
Marsh McLennan Insights
What We Do
Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance the health, wealth, and careers of their most vital asset — their people. Oliver Wyman’s expertise in strategy, operations, risk, and organization transformation changes what is possible for our clients, their industries, and society. Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities, and build lasting success in increasingly complex operating environments.








