14 research and development engineer jobs at 8 companies in Patchogue, NY

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Senior Medical Device Research and Development Engineer
Brooklyn, New York, United States
$100k-$160k/yr OnsiteFull Time
Cresilon
Cresilon: Develops plant-based hemostatic gels to stop bleeding instantly.
5+ YOEBS in engineering or related field required, 5+ years product development experience (4+ in cGMP R&D), hands-on medical device R&D, FDA/ISO knowledge, SolidWorks and Microsoft Office proficiency, strong leadership and experiment design skills.
SolidWorks, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
1mo
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Director, Research & Development
Fairfield, Connecticut, United States
OnsiteFull Time
Bigelow Tea
Bigelow Tea: Produces and distributes a variety of specialty tea products.
10+ YOEBachelor's in food science/engineering required (advanced degree preferred); 10+ years product development in CPG with manufacturing and co-packer experience; team leadership and scale-up expertise; experience in tea/coffee preferred.
1mo
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
3+ YOEBachelor's in CS/Bioinformatics/Life Sciences, 3+ years software development supporting life‑sciences R&D or lab informatics, Java and Python proficiency, LIMS/ELN experience (Sapio/Benchling/Dotmatics), AI/GenAI experience.
Sapio, Benchling, Dotmatics, Java, Python, SQL, pandas, NumPy, LangChain, LlamaIndex, Claude Code, Claude, Anthropic APIs, OpenAI APIs, Docker, Kubernetes, Jenkins, GitHub Actions, GitHub Copilot, TetraScience, Spotfire, Tableau, Power BI, Jupyter
1mo
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
3+ YOEBachelor's in CS/Bioinformatics/Life Sciences,3+ years software development for life-sciences R&D,proficiency in Java and Python,experience with LIMS/ELN (Sapio/Benchling/Dotmatics),AI/GenAI and data integrations.
Sapio, Benchling, Dotmatics, Java, Python, SQL, pandas, NumPy, Claude Code, GitHub Copilot, LangChain, LlamaIndex, Anthropic API, OpenAI API, Docker, Kubernetes, Jenkins, GitHub Actions, TetraScience, Spotfire, Tableau, Power BI, Jupyter
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Process Development Engineer III, Analytical Science: Synthetic and Bioconjugation Scale-Up Technologies (SBST)
Tarrytown, New York, United States
$110k-$179k/yr OnsiteFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
0+ YOEAdvanced degree in chemistry/biochemistry/biology/chemical engineering or related plus significant analytical method development, method transfer, troubleshooting, documentation, and cross-functional collaboration experience.
Empower, ELN
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Director, Formulation and Process Development
New Haven, Connecticut, United States
$175k-$263k/yr OnsiteFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Global biopharmaceutical developing and manufacturing prescription medicines.
8+ YOE5+ MgmtBS in bio/chemical engineering, pharmaceutical sciences, biochemistry or related; 8+ years drug product development experience; 5+ years managing scientists/engineers; expertise in formulation, process development, tech transfer, aseptic/lyophilization, cGMP and regulatory submissions.
2mo
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Process Development Engineer III, Analytics: Synthetic and Bioconjugation Scale-Up Technologies (SBST)
Tarrytown, New York, United States
$110k-$179k/yr OnsiteFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
7+ YOEBS with 10+ yrs or MS with 7+ yrs or PhD with 0-3 yrs in chemistry/biochemistry/biology; hands-on analytical method development and transfer; lead analytical deliverables for bioconjugates.
HPLC, LC-MS, UV-Vis, Electrophoresis, Empower, ELN
2w
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Lead Engineer – GenAI, Agentic AI, and Knowledge Graph Architect
New York City, New York, United States
$140k-$200k/yr HybridFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
7+ YOE7+ years in AI/ML or advanced software engineering; 5+ years Python; 3+ years building Generative/Agentic AI; hands-on LLM, prompt engineering, knowledge graph and semantic technologies; production deployments experience.
Python, LLMs, Cypher, SPARQL, Gremlin, RDF, OWL, Neo4j, Amazon Neptune, Stardog, GraphDB, TigerGraph, JanusGraph, ArangoDB, Postgres, MongoDB, ChromaDB, LangGraph, AutoGen, LangChain, GraphQL, REST, WebSocket, GDS
5d
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Research and Portfolio Management Engineering - Vice President
Greenwich, Connecticut, United States
$160k-$190k/yr OnsiteFull Time
AQR Capital Management
AQR Capital Management: Quantitative investment firm managing traditional and alternative strategies.
7+ YOEBachelor's or master's degree in a technical field and 7+ years of software engineering experience. Requires Python, Linux, SQL, cloud-native applications, large-scale data pipelines, and production AI/ML systems.
Amazon Web Services (AWS), Python, C++, Linux, SQL
1w
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Process Development Associate, Synthetic and Bioconjugation Scale-Up Technologies (SBST) (1 of 2)
Tarrytown, New York, United States
$70k-$110k/yr OnsiteFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
0+ YOEBachelor's degree and 0-3 years in chemical/biochemical engineering or related; hands-on bench experience with protein bioconjugation and purification, QbD, DOE, strong communication and problem-solving skills.
electrophoresis, mass spectrometry, HPLC, UV spectroscopy
2mo
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Process Development Associate, Analytics: Synthetic and Bioconjugation Scale-Up Technologies (SBST) (1 of 2)
Tarrytown, New York, United States
$70k-$110k/yr OnsiteFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
0+ YOEB.S. in chemistry/biochemistry/biology/chemical engineering or related field; 0–1 year lab experience; wet-lab experience; knowledge of synthetic molecules or protein analytics; strong communication; ability to work independently and with teams; growth mindset.
HPLC, Electrophoresis, UV spectroscopy
1w
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Process Development Associate, Analytical Sciences: Synthetic and Bioconjugation Scale-Up Technologies (SBST) (1 of 2)
Tarrytown, New York, United States
$70k-$110k/yr OnsiteFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
0+ YOEB.S. in chemistry/biochemistry/biology/chemical engineering or related field; 0-1 year lab experience; hands-on wet lab experience; knowledge of synthetic molecules or protein analytics; strong communication and documentation skills.
electrophoresis, HPLC, UV spectroscopy, ELN
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Associate Scientist II, Clinical QC – Immunology Analytical Development and Clinical QC
New Haven, Connecticut, United States
OnsiteFull Time
Alexion Pharmaceuticals
Alexion Pharmaceuticals: Develops and manufactures treatments for rare and ultra-rare diseases.
2+ YOEBS in immunology/biochemistry/chemistry/chemical engineering with 2+ years laboratory experience, strong cGMP knowledge, experience with plate-based assays, documentation, SOPs, and troubleshooting; able to follow procedures and train others.
Veeva Vault ECMS, ELN, gLIMS, MS Office, Lean 6 Sigma
17h
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2027 Summer Intern: R&D (Undergrad and Grad)
Valhalla or Plano or Purchase
$21-$44/hr OnsiteInternship, Full Time
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturing and distributing consumer goods.
Pursuing an engineering, food science, agriculture, or related degree; graduating within one year; unrestricted U.S. work authorization; communication, project management, scientific, and technical skills; willingness to travel.
Data Science