26 junior data engineer jobs at 21 companies in Mastic, NY
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Engineering Data & Geospacial Analyst
New Haven, Connecticut, United States
$78k-$91k/yr HybridFull Time
1+ YOEFour-year degree in data science, geography, geospatial science, engineering, mathematics, statistics, or related field, plus 1–5 years of relevant experience; valid driver's license required.
Geographic Information Systems (GIS), Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
2w
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Data Engineering Internship (Summer 2027)
Stamford or Houston or New York City
OnsiteFull Time, Internship
Pursuing a Bachelor's or higher in CS/Engineering/MIS, expected grad Winter 2027–Spring/Summer 2028. Strong Python and SQL skills; experience with pandas, NumPy, SQLAlchemy; familiarity with Snowflake, cloud (AWS/Azure); web scraping interest.
Python, SQL, Snowflake, pandas, NumPy, SQLAlchemy, Airflow, AWS, Azure
2mo
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Manufacturing Engineer I (On Site)
North Haven, Connecticut, United States
$70k-$115k/yr OnsiteFull Time
0+ YOEBachelor’s degree in related engineering; 0-2 years experience; CAD/CAM proficiency; GD&T; data analysis; strong communication and organizational skills.
CAD/CAM, GD&T, Microsoft Office, Data analysis tools
1mo
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Supplier Quality Engineer
Melville, New York, United States
$115k-$125k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or related field, 2+ years supplier quality experience, knowledge of QMS and ISO/AS standards, supplier auditing, root cause analysis (RCCA/8D), APQP/PPAP, data-driven monitoring, and ability to travel with a valid driver's license.
APQP, PPAP, First Article Inspection, D/PFMEA, 8D RCCA, 5-whys, Gage R&R, SPC Tools, DPPM, Supplier Scorecards, Bill of Materials (BOM), Lean, Six Sigma, ISO 9001, ISO 14001, AS9100, Quality Management Systems
3w
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FLS Production Engineer - Optical Alignment & Metrology Competency (Days)
Wilton, Connecticut, United States
OnsiteFull Time
0+ YOEBS in Optical Engineering, ability to support optical alignment and metrology in a cleanroom, troubleshoot production tooling and metrology equipment, and analyze data; knowledge of optical design and image processing required.
Code-V, Zemax, MATLAB, LabVIEW, Python, NX, Teamcenter, SAP
1mo
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US Tech - AI Engineering Senior Associate
Tampa or Raleigh or Charlotte or Chicago or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or San Jose or Seattle or Spartanburg or Albany or Stamford or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Fort Worth or Greensboro or Hartford or Houston or Grand Rapids or Indianapolis or Irvine or Jacksonville or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or United States or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Montpelier or Nashville or New Orleans or United States or New York City or Oklahoma City or Orlando or Philadelphia or Phoenix or Pittsburgh or Portland
$55k-$151k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years in data/AI/quality engineering, experience with test automation and CI/CD, familiarity with LLMs and prompt engineering, building automated test suites and evaluating AI agents.
CI/CD, LLMs, Microsoft Power Automate
1w
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AI Engineer Intern
Islandia, New York, United States
OnsiteFull Time, Internship
Pursuing or graduated in CS/Software/IT/Data Science/AI; proficiency in Python, JavaScript, HTML, CSS, Git; knowledge of web architecture, OOP, debugging, and AI concepts.
Python, JavaScript, HTML, CSS, Git, REST APIs, Large Language Models (LLMs), Azure AI Services, Azure, AWS, Google Cloud
3mo
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AI Software Developer
Westport, Connecticut, United States
$25-$75/hr OnsiteContract
Experience building complex, data-sensitive apps and programs using AI; able to build applications and IT infrastructure.
1w
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Quality Assurance Engineer I
Bohemia, New York, United States
$65k-$80k/yr OnsiteFull Time
0+ YOESupport failure analysis, conduct investigations and root cause analysis, assist audits (AS9100/ISO9001), collect and analyze quality data, and support MRB and corrective actions.
IPC-A-610, J-STD-001, AS9100
1mo
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Plant Utilities Engineer 1
Westhampton Beach, New York, United States
$57k/yr OnsiteFull Time
2+ YOEUniversal Technician certification (CFR 40 Part 82.161); Associates degree + 2 years OR 4 years HVAC/boiler experience with 30 college credits; valid NY driver’s license; ability to lift 50+ lbs, work at heights and in confined spaces; familiarity with Microsoft Word/Excel and assigned data systems; background check (NACI) required.
Microsoft Word, Microsoft Excel, SFS, GFEBS, Statewide Learning Management System (SLMS)
1mo
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EHM Analyst
Wichita or Savannah or Ronkonkoma
OnsiteFull Time
Bachelor's in Mechanical Engineering or A&P/AMT or equivalent maintenance experience preferred; strong customer service, data analysis, communication and computer skills; ability to analyze large datasets and apply turbomachinery knowledge.
2mo
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Risk, Compliance, and Legal Engineering - Analyst/Associate
Greenwich, Connecticut, United States
$125k-$155k/yr OnsiteFull Time
2+ YOEBS in CS/Engineering or related; 2+ years programming experience (Python, SQL, JavaScript, and/or .NET); experience with APIs, web app development, cloud, data visualization (Tableau), and strong analytical and communication skills.
Python, SQL, JavaScript, .NET, Angular, CSS, Tableau, AWS, RESTful services, microservices, APIs
3w
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Survey Instrument Operator
Melville or New York City or Valhalla
$23-$34/hr FieldFull Time
2+ YOEHigh school/GED, 2+ years surveying experience, ability to operate total stations/data collectors/GPS, valid driver’s license may be required, basic math and safety awareness.
Total Stations, Data Collector, GPS
1mo
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Tool Designer 1
Cheshire, Connecticut, United States
OnsiteFull Time
Hanwha Aerospace USA: Manufactures precision components and assemblies for aircraft engines.
1+ YOEU.S. Person eligible to work with ITAR data, high school degree or GED, 1+ years tool design experience, familiarity with NX (Unigraphics) CAD, knowledge of military/commercial standards, and ability to travel 5-10%.
NX (Unigraphics)
3w
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Deployment Technician
Dallas or Buffalo or Rye Brook or Iselin or New York City or San Francisco or California or Colorado or Massachusetts or Washington or Washington
$46k-$83k/yr OnsiteFull Time
Hands-on data center technician work; follow procedures, perform rack inspections, connect cabling, assist power-up, document and escalate issues, OSHA10 and PPE required, able to work rotating 24x7 shifts and travel between sites.
Microsoft, Google, Amazon, Skillsoft
1mo
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Associate Product Line Manager
Wallingford, Connecticut, United States
OnsiteFull Time
Bachelor's in engineering or applied sciences, data analysis skills, Microsoft Excel, SQL, Tableau/Power BI/Looker experience, communication skills, ability to travel as required.
Microsoft Excel, SQL, Tableau, Power BI, Looker
1mo
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Sustainability Coordinator
New Haven, Connecticut, United States
OnsiteFull Time
2+ YOEBachelor's degree in environmental science/engineering/sustainability,2+ years sustainability experience,project management,ESG reporting,data analysis,stakeholder engagement,and communications skills.
1w
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Technical Support Associate
Melville, New York, United States
$36-$44/hr HybridFull Time
Recent electrical/computer engineering graduate; detail-oriented with component data handling, technical research, documentation, Microsoft Excel, Adobe InDesign, HTML/CSS familiarity, strong communication.
Microsoft Excel, Adobe InDesign, HTML, CSS
1mo
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Research Scientist (USA - Stamford, CT, US)
Stamford, Connecticut, United States
$85k-$140k/yr OnsiteFull Time
2+ YOEB.S. in chemistry, polymer science/engineering or related field required; 2+ years relevant experience; polymer formulation/processing and additive knowledge; project leadership, data analysis, IP experience; laboratory instrumentation familiarity.
TGA/DSC, SEM, HPLC/GC, FTIR, UV-Vis, AI / Machine Learning tools
3w
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2nd Shift-CNC Operator
Fairfield, Connecticut, United States
OnsiteFull Time
Operate and set up CNC and related machines, read engineering prints, perform turning/milling/deburring/buffing/tumbling/heat-treat tasks, use precision measuring instruments, perform basic maintenance and data collection.
CNC, micrometers, verniers, indicators, shadow gauges, air gages, talysurf, optical comparator, CRT display
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