Principal Data Engineer - GCS Data & Analytics

Liberty Mutual; Boston (MA); On-site; USD 120,000 - 225,000; Full time

Job summary

Liberty Mutual's Global Cybersecurity Data and Analytics team seeks a Principal Data Engineer to design, implement, and scale data solutions for analytics and security insights. You will lead complex projects, mentor team members, and steer data architectures across platforms like AWS, Azure, and GCP.

The role emphasizes data quality, governance, and actionable intelligence to improve security posture. The role requires 8+ years of experience, strong Python/SQL, data modeling, and Power BI

Qualifications

• Bachelor's or Master's degree in a technical or business discipline or equivalent experience, technical degree preferred
• Generally, 8+ years of professional experience
• In-depth knowledge of IT concepts, strategies, and methodologies
• In-depth knowledge of diverse and emerging technologies and new architectural concepts and principles
• Knowledgeable in data engineering languages and tools; proficient in new and emerging technologies
• In-depth understanding of layered solutions and designs; in-depth understanding of shared data engineering concepts and product features, as well as security minded
• In-depth knowledge of business operations, objectives, and strategies; in-depth understanding of global business and technology trends and the financial services industry
• Highly developed negotiation, consensus building & influencing skills, facilitation, and adaptability to respond to change quickly
• Highly developed oral and written communication skills; strong presentation skills
• Ability to effectively collaborate with all levels of the organization
• Solid Python Pandas and SQL programming skills with analytical and critical thinking skills with an understanding of big data technology
• An understanding of machine learning principles, statistics and algorithms.
• Understanding of Data Warehouse solutions, modeling and governance
• Open to US based employees

Responsibilities

• Consults on designing and developing complex programs and tools to support ingestion, curation, and provisioning of complex enterprise data to achieve analytics, reporting, and data science
• Builds and designs data architecture that improve accessibility, efficiency, governance, and quality of data
• Collects, cleans, and transforms traditional and big data to ensure data accuracy and accessibility
• Makes recommendations for how to improve data and drives those recommendations forward
• Builds in-depth knowledge of technology enablers
• Documents existing processes, organizational structures, architectures, and external systems
• Contributes to the development and enhancement of solutions for key business outcomes
• Develops interactive and visually appealing data visualizations of large amounts of data to reveal patterns, trends, or correlations
• Provides guidance on capabilities and functionalities of Power BI visualization tools
• Presents to, and educates, a wide range of people on using visualizations

Skills

Python

SQL

Power BI

Data Modeling

Big Data

Cloud Platforms

Data Visualization

Education

Bachelor's or Master's degree

Tools

Snowflake

Power BI

AWS Airflow

Job description

Principal Data Engineer - GCS Data & Analytics

Job Locations: US-NH-Portsmouth | US-MA-Boston | US-TX-Plano | US-IN-Indianapolis | US-NH-Portsmouth | US-OH-Columbus

ID: 2026-261713

Position Type: Full-Time

Job Grade: 18

Department: 083S-13491 GCS - Data & Analytics

Market: Corporate Center

Referral Bonus Amount: 3000

Minimum Salary: USD $120,000.00/Yr.

Maximum Salary: USD $225,000.00/Yr.

Recruiter: Monica Vesprani

Referral Bonus Eligible?: Yes

Description

We deliver our customers peace of mind every day by helping them protect what they value most. Our passion for placing the customer at the center of everything we do is driving a transformational shift at Liberty Mutual. Operating as a tech startup within a Fortune 100 company, we are leading a digital disruption that will redefine how people experience insurance.

Our Global Cybersecurity Data and Analytics team is tasked with gathering, processing, and analyzing data to provide meaningful insights for informed decision-making, strategic planning, and operational improvements. We create accurate reports and visualizations that help the organization achieve its objectives, enhance security, and stay competitive. In addition, the data and analytics teams ensure data quality, compliance with regulations, and effective collaboration across departments. By leveraging advanced techniques and tools, they transform data into actionable intelligence that drives both short-term optimizations and long‑term growth.

Hiring Manager: Matt Prezbindowski

Job Introduction

The Global Cybersecurity Data and Analytics team is seeking an innovative, collaborative Principal Data Engineer to help build and grow our Data and Analytics practice. As a member of the team, you will play a crucial role in delivering innovative data-driven solutions that enhance our organization's cybersecurity posture. Under general direction, acts as a technical expert who consults on highly complex projects. Responsible for the analysis, development, and execution of complex data solutions, to manage the information lifecycle needs of an organization. Collects, integrates, and analyzes data with the purpose of drawing conclusions about that information. Develops, constructs, tests, and maintains data architectures for data platforms, databases, analytical/reporting, or data science systems. Establishes and builds data systems including providing standards, policies, practice, procedures, governance, and quality assurance for data deliverables. Recommends methods to improve data reliability, quality, and efficiency. Devises or modifies procedures to solve technical problems. Leads and directs the work of team members. May mentor junior team members.

Responsibilities

• Consults on designing and developing complex programs and tools to support ingestion, curation, and provisioning of complex enterprise data to achieve analytics, reporting, and data science.
• Builds and designs data architecture that improve accessibility, efficiency, governance, and quality of data.
• Collects, cleans, and transforms traditional and big data to ensure data accuracy and accessibility.
• Makes recommendations for how to improve data and drives those recommendations forward.
• Builds in-depth knowledge of technology enablers.
• Documents existing processes, organizational structures, architectures, and external systems.
• Contributes to the development and enhancement of solutions for key business outcomes.
• Develops interactive and visually appealing data visualizations of large amounts of data to reveal patterns, trends, or correlations.
• Provides guidance on capabilities and functionalities of Power BI visualization tools.
• Presents to, and educates, a wide range of people on using visualizations.

Qualifications

• Bachelor's or Master's degree in a technical or business discipline or equivalent experience, technical degree preferred
• Generally, 8+ years of professional experience
• In-depth knowledge of IT concepts, strategies, and methodologies
• In-depth knowledge of diverse and emerging technologies and new architectural concepts and principles
• Knowledgeable in data engineering languages and tools; proficient in new and emerging technologies
• In-depth understanding of layered solutions and designs; in-depth understanding of shared data engineering concepts and product features, as well as security minded
• In-depth knowledge of business operations, objectives, and strategies; in-depth understanding of global business and technology trends and the financial services industry
• Highly developed negotiation, consensus building & influencing skills, facilitation, and adaptability to respond to change quickly
• Highly developed oral and written communication skills; strong presentation skills
• Ability to effectively collaborate with all levels of the organization
• Solid Python Pandas and SQL programming skills with analytical and critical thinking skills with an understanding of big data technology
• An understanding of machine learning principles, statistics and algorithms.
• Understanding of Data Warehouse solutions, modeling and governance
• Open to US based employees

Experience

• Working knowledge of AWS, Azure and GCP cloud environments
• Power BI development (DAX and M query) and Power BI gateway
• Snowflake administration experience
• AWS Airflow
• History of working with ETL (extract, transfer and load) and data pipeline technology
• Proven experience in data modeling, governance and analytics
• Ability to leverage and build APIs
• Python programming knowledge
• SQL query and data management