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Principal Data Engineer Jobs in Connecticut (NOW HIRING)

FAVARH

AI Principal Engineer

Windsor, CT · On-site +1

The AI Principal Engineer (IC Director) is responsible for leading the design, development, and ... Partner with product, business, and data stakeholders to translate business requirements into ...

GXO Logistics

Principal Cloud Engineer

Greenwich, CT

$62.50 - $83.75/hr

As the Principal Cloud Engineer, Google Cloud, you will serve as one of GXO's senior technical ... Partner with Data Engineering, Security, and Enterprise Architecture to deliver secure AI ...

GXO Logistics

Principal Cloud Engineer

Greenwich, CT · On-site

$62.50 - $83.75/hr

As the Principal Cloud Engineer, Google Cloud, you will serve as one of GXO's senior technical ... Partner with Data Engineering, Security, and Enterprise Architecture to deliver secure AI ...

Voya Financial, Inc.

AI Principal Engineer

Windsor, CT · On-site

The AI Principal Engineer (IC Director) is responsible for leading the design, development, and ... Partner with product, business, and data stakeholders to translate business requirements into ...

GXO Logistics

Principal Cloud Engineer

Greenwich, CT · On-site

$62.50 - $83.75/hr

As the Principal Cloud Engineer, Google Cloud, you will serve as one of GXO's senior technical ... Partner with Data Engineering, Security, and Enterprise Architecture to deliver secure AI ...

Owl Cyber Defense

Principal FPGA Engineer

Danbury, CT · On-site

$160K - $210K/yr

Principal FPGA Engineer Department: Product Development Reports to: Director of Hardware ... Owl's product lines of cross domain, data diode, and portable media solutions provide the strongest ...

Owl Cyber Defense

Principal FPGA Engineer

Danbury, CT · On-site +1

$160K - $210K/yr

Principal FPGA Engineer Department: Product Development Reports to: Director of Hardware ... Owl's product lines of cross domain, data diode, and portable media solutions provide the strongest ...

The Hartford

Principal Software Engineer

Hartford, CT · On-site

$136K - $182K/yr

Principal Software Engineer (T6) Role Summary The Principal Software Engineer is a senior technical ... and data layers. * Define and evolve solution architectures aligned with enterprise standards ...

Syensqo

Principal Engineer

Stamford, CT · On-site

The Principal Engineer within the Mineral Processing R&I team focuses on defining and executing ... Knowledge of experimental design, statistics and data analysis is preferred * Ability to teach and ...

Syensqo

Principal Engineer

Stamford, CT

The Principal Engineer within the Mineral Processing R&I team focuses on defining and executing ... Knowledge of experimental design, statistics and data analysis is preferred * Ability to teach and ...

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Showing results 21-40

All JobsPrincipal Data Engineer JobsPrincipal Data Engineer Jobs in Connecticut

Principal Data Engineer information

See Connecticut salary details

$70.4K

$140K

$202.1K

How much do principal data engineer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for principal data engineer in Connecticut is $140,048.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,700.00 and $164,600.00 per year, depending on experience, location, and employer.

What is a principal data engineer?

A Principal Data Engineer is a senior-level technical role responsible for designing, building, and maintaining large-scale data infrastructure. They lead data engineering teams, establish best practices, and ensure efficient data pipelines to support analytics and machine learning. This role involves working with cloud platforms, big data technologies, and distributed systems to optimize data processing. Principal Data Engineers collaborate with data scientists, analysts, and business stakeholders to drive data-driven decision-making. Their work is critical in enabling organizations to leverage data effectively for insights and innovation.

What are the typical daily responsibilities of a principal data engineer?

As a Principal Data Engineer, your day-to-day responsibilities generally include designing and optimizing large-scale data pipelines, developing architectural strategies, and overseeing the implementation of robust data solutions. You'll collaborate closely with data scientists, analysts, and software engineers to ensure the organization's data infrastructure is efficient, scalable, and secure. You may also mentor junior team members, review code, and set data engineering best practices. This role frequently requires balancing hands-on technical work with strategic planning and stakeholder communication to align data initiatives with business goals.

What are the key skills and qualifications needed to thrive as a principal data engineer?

To thrive as a Principal Data Engineer, you need a deep understanding of data architecture, data modeling, ETL development, and distributed computing, often supported by a degree in computer science or a related field. Proficiency with technologies such as Hadoop, Spark, Python, SQL, and cloud platforms (AWS, Azure, or Google Cloud), as well as certifications in relevant tools or data engineering, is highly valuable. Strong leadership, problem-solving skills, and effective cross-functional communication are essential soft skills for this role. These combined abilities enable Principal Data Engineers to design scalable data solutions, drive engineering best practices, and lead complex projects to successful completion.

What are popular job titles related to Principal Data Engineer jobs in Connecticut?

For Principal Data Engineer jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Principal Data Engineer jobs in Connecticut look for?

The top searched job categories for Principal Data Engineer jobs in Connecticut are:

Principal Data Engineer jobs near you
Infographic showing various Principal Data Engineer job openings in Connecticut as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 11% Part Time, 2% Temporary, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $140,048 per year, or $67.3 per hour.

Principal AI Engineer

The Hartford Financial Services Group, Inc.

Hartford, CT • On-site, Remote

Full-time

Posted 23 days ago

The Hartford rating

8.8

Company rating: 8.8 out of 10

Based on 121 frontline employees who took The Breakroom Quiz

56th of 310 rated insurance

Job description

Principal Software Engineer - IE06GE
We're determined to make a difference and are proud to be an insurance company that goes well beyond coverages and policies. Working here means having every opportunity to achieve your goals - and to help others accomplish theirs, too. Join our team as we help shape the future.
At the Hartford, we are seeking a Principal AI Engineer who is responsible for building our AI platform to accelerate designing, developing, and deploying AI use cases, and drive innovation at scale, with particular emphasis on GenAI capabilities and acceleration of use cases.
We are driven by a strong determination to create a meaningful impact and take pride in being an insurance company that extends far beyond the realms of policies and coverages. When you choose to be a part of our team, you open the door to endless opportunities for personal and professional growth, as well as the chance to empower others in reaching their aspirations. You will help bring the transformative power of AI/GenAI capabilities to re-imagine the 'art of possible' and serve our internal customers and transform the businesses.
This team is dedicated to building state-of-the-art AI platform. We are looking for an experienced Principal AI Engineer, to help us build the foundation of our AI capability. You will be a thought partner to the platform leadership. You will provide vision and impeccably execute the build of platform capabilities that accelerates the build of complex digital assistants, enables rapid experimentation, supports scaling and productionization of the solutions with built in scalability, security and self-service features. The ideal candidate is an accomplished professional with significant hands-on experience in data, analytics, MLOps/LLMOps engineering who is equipped to manage and drive broader stakeholder engagements.
This role requires versatility and expertise across a wide range of skills. Someone who is biased for action, visionary and an engineer at heart will fit into this role seamlessly.
This role can have a Hybrid or Remote work arrangement. Candidates who live near one of our office locations will have the expectation of working in an office 3 days a week (Tuesday through Thursday) Candidates who do not live near an office will have a remote work arrangement, with the expectation of coming into an office as business needs arise. Candidate must be authorized to work in the US without company sponsorship.
Responsibilities:
  • Key thought leader, collaborator, and contributor to the build of the AI platform that supports and accelerated GenAI and traditional predictive and ML solutions.
  • Define and execute the vision and roadmap for AI platform that align with the organization's strategic goals and customer needs.
  • Drive the future state of the AI platform by staying updated with the latest trends and developments
  • Lead the build and execution of POCs and prototypes that serve to qualify and validate emerging AI platform solutions that can be leveraged as solution quick start and eventually become capabilities within the AI platform for enterprise consumption.
  • Provide hands_on engineering support to the build of platform capabilities e.g., agentic frameworks, IAC, production grade capabilities, monitoring systems, developer experience, FinOps capabilities etc
  • Partner with our shared service teams like Architecture, Cloud, Security, etc to design and implement platform solutions.
  • Collaborate with the DS team to develop a self-service internal developer AI platform.
  • Provide leadership and mentorship to engineers on the team, fostering a culture of innovation, collaboration, and continuous upskilling and learning.

Qualifications:
  • Bachelor's degree in Computer Science, Computer Engineering, or a technical field.
  • 10+ years of experience with cloud (AWS / GCP)
  • Demonstrate a willingness to challenge the status quo and a bias for action
  • Extensive programming experience with Python, Typescript.
  • At least 8 years of experience designing and building data-intensive solutions using distributed computing.
  • 10+ years building and shipping software and/or platform infrastructure solutions for enterprises.
  • Hands-on experience with cloud platforms and services, such as Google Cloud, AWS, Azure and their offerings for AI / generative AI
  • Experience with CI/CD pipelines, Automated Testing, Automated Deployments, Agile methodologies, Unit Testing and Integration Testing tools.
  • Experience with building scalable serverless application (real-time / batch)
  • Knowledge of distributed NoSQL database systems.
  • Experience with data engineering, ETL technology, and conversation UX is a plus.
  • Experience with HPCs, vector embedding, and Hybrid/Semantic search technologies.
  • Proficiency in customization techniques across various stages of the RAG pipeline, including model fine-tuning, retrieval re-ranking, Hybrid search and multimodal RAG plus.
  • Strong proficiency in embeddings, ANN/KNN, vector stores, quantization, database optimization, & performance tuning.
  • Experience in building Agentic system using frameworks like LangGraph and crewai is a plus.
  • Basic understanding of Natural Language Processing, vector space models and Deep Learning.
  • Excellent problem-solving skills and the ability to work in a collaborative team environment.
  • Excellent communication skills.

Candidate must be authorized to work in the US without company sponsorship. The company will not support the STEM OPT I-983 Training Plan endorsement for this position.
Compensation
The listed annualized base pay range is primarily based on analysis of similar positions in the external market. Actual base pay could vary and may be above or below the listed range based on factors including but not limited to performance, proficiency and demonstration of competencies required for the role. The base pay is just one component of The Hartford's total compensation package for employees. Other rewards may include short-term or annual bonuses, long-term incentives, and on-the-spot recognition. The annualized base pay range for this role is:
$168,400 - $252,600
Equal Opportunity Employer/Sex/Race/Color/Veterans/Disability/Sexual Orientation/Gender Identity or Expression/Religion/Age
About Us | Our Culture | What It's Like to Work Here | Perks & Benefits

What The Hartford employees say

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Hartford logo

About Hartford

Sourced by ZipRecruiter

Hartford Financial Services Group, widely recognized as The Hartford, is a renowned company based in Hartford, CT, US. Established in 1810, it has evolved into an industry leader in the insurance and financial services sector, proudly serving more than one million businesses in the US. The Hartford is committed to offering a gamut of insurance products that include homeowners, automobile, and business insurance as well as employee benefits and mutual funds. The company’s core values revolve around customer-focused innovations, diversity and inclusion, and ethical dealings that have earned them a customer-centric reputation. This shapes their mission which revolves around aiding their clients to overcome unforeseen obstacles and enhancing their wealth over time. Among the company's noted accomplishments is being consistently listed among the World's Most Ethical Companies, a testament to their unwavering commitment towards responsible business practices.

Industry

Finance and insurance

Company size

10,000+ Employees

Headquarters location

Hartford, CT, US

Year founded

1810

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