189 senior data engineer jobs at 84 companies in Wallingford, CT

5d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Designs and manufactures high-performance electrical connectors and interconnect systems.
6+ YOEBachelor's degree in a related field and 6+ years of data engineering experience. Requires production ETL/ELT pipelines, SQL Server, data modeling, reporting, analytics, and data quality expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, SharePoint, ERP, APIs
5d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufacturer of electronic connectors and interconnect systems.
6+ YOEBachelor’s degree in a related field and 6+ years of data engineering experience. Requires production ETL/ELT pipelines, SQL Server, data modeling, reporting, analytics, and complex data integration expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, Microsoft SharePoint, ERP, APIs
2d
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Senior Data Engineer
White Plains or Greensboro or Charleston or Greenville or Maitland or Harrisonburg or Clearwater or Louisville or Birmingham or Huntsville or Alpharetta or Clayton or Honolulu or Lake Oswego or Gainesville or Fayetteville or Naples or Hibbing or Miami or Myrtle Beach or Houston or Denver or Piscataway or Irvine or Key Largo or Columbia or Little Rock or Austin or Pensacola or Lexington or Bloomington or Fort Myers or Panama City or San Antonio or Rochester or Mobile or Salt Lake City or Bend or Charlotte or Glen Allen or Raleigh or Abilene or Tallahassee or San Ramon or Dallas or Pittsburgh or Boston or Missoula or Cincinnati or Boise or Eugene or McMinnville or Knoxville or Dakota Dunes or Kissimmee or Fort Worth or Grand Forks or Canonsburg or Buffalo or Eastland or Philadelphia or Chicago or Phoenix or Dublin or Jacksonville or St. Louis or Los Angeles or Atlanta or Norwalk or Colchester or Grand Rapids or Richmond or Hoboken or Indianapolis or Kansas City or Chagrin Falls or Orland Park or Anchorage or High Point or Bonita Springs or Rancho Cordova or Las Vegas or Irving or Brandenburg or Minneapolis or Fort Lauderdale or Shreveport or Fargo or Sarasota or Kennesaw or Dayton or Sacramento or Princeton or Durham or Conshohocken or Baton Rouge or Asheville or Chattanooga or Memphis or Nashville or United States
$96k-$168k/yr RemoteFull Time
Marsh McLennan
Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people solutions.
10+ YOERequires 10+ years of enterprise data engineering experience and advanced Azure, Databricks, Spark, Python, SQL, ETL, data modeling, streaming, and cloud architecture expertise.
Microsoft Azure, Azure Databricks, Azure Functions, Azure Data Factory, Databricks, Apache Spark, PySpark, Python, SQL, Scala, Unity Catalog, Microsoft SQL Server, Kafka, Event Hub, Azure DevOps, Git, Terraform, ARM templates, Databricks Genie
5d
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Senior Data Engineer
Mesa or Endicott or Wallingford or China or Turkey
$100k-$130k/yr OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufacturer of high-technology interconnect, sensor, and antenna solutions.
6+ YOEBachelor’s degree in a related field and 6+ years of data engineering experience. Requires advanced Microsoft SQL Server, T-SQL, ETL/ELT, data modeling, reporting, and analytics expertise.
Microsoft SQL Server, T-SQL, Power BI, SQL Server Reporting Services, Microsoft SharePoint, ERP, APIs
2w
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Senior Data Engineer
Hartford, Connecticut, United States
$139k-$230k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
10+ YOEBachelor's in STEM or equivalent, ~10 years related experience with 6+ years data engineering, hands-on dbt, Airflow/Dagster, AWS/S3, Terraform, strong data modeling, governance, and leadership abilities.
dbt, Apache Airflow, Dagster, AWS, S3, Terraform, IAM, RBAC
4w
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Senior Data Engineer
Stamford, Connecticut, United States
$150k-$200k/yr HybridFull Time
Trexquant
Trexquant: Quantitative hedge fund developing systematic trading strategies.
5+ YOEBachelor's or Master's in a quantitative field,5+ years data engineering in systematic trading/hedge fund/fintech,Python and SQL,Linux,market and reference data expertise across asset classes.
Python, SQL, Linux, Parquet, Arrow
2mo
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Senior GCP Data Engineer
Hartford, Connecticut, United States
HybridFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
9+ YOE8+ years in Data Engineering with leadership; strong GCP, SQL, Python; ETL and Spark; data modeling; cross-functional collaboration; leadership.
BigQuery, Cloud Composer (Airflow), Cloud Storage, Dataproc, Apache Spark, SQL, Python, Scala
2mo
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Forward Deployed Data Engineer (Groton, CT / Senior) [Secret]
Groton, Connecticut, United States
OnsiteFull Time
Spear AI
Spear AI: Develops AI software and sensors for maritime defense operations.
Senior data engineer with Python and Rust, real-time and batch data pipelines, MQTT/Redpanda, Dagster, Protobuf, and data modeling experience.
MQTT, Redpanda, Dagster, Airflow, Protobuf, PostgreSQL, Apache Iceberg, Parquet, S3, Python, Rust, GitHub Actions
2w
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Senior Data Engineer
Hartford, Connecticut, United States
$139k-$230k/yr HybridFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
10+ YOEBachelor's in STEM or equivalent, ~10 years related experience, hands-on dbt, Airflow/Dagster, AWS/S3, Terraform/IAM, strong data modeling, security awareness, and communication skills.
dbt, Apache Airflow, Dagster, AWS, S3, Terraform, IAM, RBAC
2w
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Senior Staff AI Data Engineer
Hartford, Connecticut, United States
$135k-$203k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
8+ YOEBachelor’s degree and 8+ years of data engineering experience required, with expertise in SQL, Python, ETL/ELT, cloud platforms, GenAI, RAG, vector and graph databases, and data governance.
SQL, Retrieval-Augmented Generation (RAG), Snowpipe, DevOps, AWS, GCP, Azure, Snowflake, Python
1d
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GCP Data Engineer
Hartford, Connecticut, United States
$85k-$100k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Experience in data engineering, cloud migration, GCP, Python, Airflow, BigQuery, SQL, data quality, and healthcare data; bachelor's degree in a relevant field or equivalent experience.
Google Cloud Platform (GCP), BigQuery, Cloud Storage (GCS), Google Cloud Composer, Python, SAS, Apache Airflow, SQL, Vertex AI, YAML, EDM
4w
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Senior Financial Data & Analytics Engineer
Stony Brook, New York, United States
$110k-$120k/yr OnsiteFull Time
Stony Brook University
Stony Brook University: Provides public higher education, medical research, and healthcare services.
5+ YOEBachelor's in related field,5+ years in data/data engineering or financial analytics in healthcare or enterprise,experience with SQL,data warehouse design,ETL/ELT,API integration,Tableau,and healthcare financial metrics.
SQL, PeopleSoft, Tableau, Snowflake, Databricks, Azure, AWS, Python, R, Power BI, Excel, API
1d
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GCP Data Engineer
Hartford, Connecticut, United States
$85k-$100k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
Experience in data engineering, cloud modernization, GCP, BigQuery, Cloud Storage, Cloud Composer, Python, SAS migration, Airflow, SQL, data quality, and scalable architectures; bachelor's degree or equivalent experience.
Google Cloud Platform (GCP), BigQuery, Cloud Storage (GCS), Google Cloud Composer, Python, SAS, Apache Airflow, YAML, Vertex AI, SQL
2mo
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Senior Staff AI Data Engineer - Hybrid
Hartford or Charlotte or Columbus or Chicago
$135k-$203k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
8+ YOEBachelor's in CS/AI or related, 8+ years data engineering experience, expertise in SQL, data modeling, ETL/ELT, Python, cloud ecosystems (AWS/GCP/Azure/Snowflake), GenAI/RAG, vector/graph DBs, and ability to design scalable, governed AI data platforms.
Retrieval-Augmented Generation (RAG), Snowpipe, Snowflake, Python, SQL, AWS, GCP, Azure, Scaled Agile
1d
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Data Engineer (Hybrid)
Charlotte or Cedar Rapids or Windsor Locks or Richardson
$87k-$165k/yr HybridFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
3+ YOEUniversity degree and 5 years relevant experience, or advanced degree and 3 years; 3+ years data engineering experience with Snowflake, Matillion, Alteryx, Tableau, SQL, and ETL processes. U.S. citizenship required.
Snowflake, Matillion, SQL, Alteryx, Tableau, SAP S4, SAP Business Data Cloud, Internet of Things, big data, artificial intelligence, blockchain
2w
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Sr. Engineer, Data & Analytics
Stamford or United States
RemoteFull Time
Lovesac
LovesacNASDAQ: LOVE: Designs and sells modular furniture including sectionals and beanbags.
5+ YOEBachelor's in CS/Data/Engineering,5+ years in data engineering and analytics,expertise in Microsoft Power BI and Microsoft Fabric,SQL,Python/PySpark,DAX,Data modeling,CI/CD and stakeholder partnership.
Microsoft Power BI, Microsoft Fabric, OneLake, Microsoft Data Factory, Dataflows Gen2, Spark, SQL, Python, PySpark, Direct Lake, Git, Microsoft Purview, Databricks, Snowflake, Redshift, BigQuery, DAX, Delta Lake, Parquet
2mo
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AVP, Lead Data Engineer
Philadelphia or Jersey City or Simsbury
$153k-$221k/yr OnsiteFull Time
Chubb
ChubbNYSE: CB: Provides property, casualty, and life insurance and reinsurance services globally.
12+ YOEBachelor's degree required; 12+ years data engineering with ETL/ELT, data warehouse design, and automated pipelines. Expertise in Informatica/IICS, Azure (Synapse, ADF, Databricks), Snowflake, Databricks, Autosys, Python/Shell. Must be based in NJ or Greater Philadelphia.
Informatica, IICS, Azure, Synapse Analytics, Azure Data Factory, Azure Databricks, Databricks, Delta Lake, Spark, Snowflake, Snowpark, Autosys, Python, Shell
2mo
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Data Engineer (CT, Newington)
Newington, Connecticut, United States
OnsiteFull Time
Applied Aerospace & Defense
Applied Aerospace & Defense: Manufactures precision flight-critical hardware for aerospace and defense.
Bachelor's in a technical field (or equivalent), extensive data engineering experience with SQL and Python, BI and ETL tool proficiency, experience deploying ML models, and familiarity with CMMC/NIST SP 800-171 and ITAR eligibility requirements.
SQL, Python, Microsoft SQL Server, Oracle, PostgreSQL, Microsoft Power BI, SSRS, PowerShell, C#, Perl, Microsoft SharePoint, ASP.NET Core, PHP, Bootstrap, HTML5, React.js, Node.js, Django, Microsoft Graph API, Microsoft Power Platform, Power Apps, Power Automate, Tableau, Qlik, Looker, MicroStrategy, Oracle Analytics, Microsoft Power Query, SSIS, Talend, Boomi, Apache Airflow, Prefect, Dagster, Apache Spark, Databricks, MLOps
1mo
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Sr. Data Engineer
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
Subway
Subway: Global restaurant chain specializing in made-to-order submarine sandwiches.
5+ YOE5+ years building data pipelines and integrations with 3+ years cloud experience; hands-on Databricks or Snowflake, PySpark/SQL, Python, Airflow, Git; bachelor’s degree preferred.
Snowflake, Databricks, Delta Lake, Unity Catalog, Iceberg Tables, Horizon Catalog, Databricks Structured Streaming, DLT, Snowflake Dynamic Tables, Snowpipe Streaming, Databricks AI/BI Genie, Unity Catalog Metrics, Snowflake Semantic Views, Cortex Analyst, Airflow, Databricks Lakeflow, Snowflake Openflow, dbt, PySpark, SQL, Python, Git, Databricks Asset Bundles, Snowflake CLI, Schemachange, AWS, S3, Glue, Kinesis, Azure, GCP, Databricks Mosaic AI, Snowflake Cortex
2mo
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Senior Process Engineer – Optical Fabrication
Wilton, Connecticut, United States
OnsiteFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
5+ YOESenior process engineer with 5+ years in optical fabrication (grinding and polishing), process development, data analysis, RCA, and cross‑functional leadership.
Interferometer, Profilometer, JMP, Minitab, Metrology tools, Grinding and polishing equipment