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239 engineer i jobs at 137 companies in Plainfield, NJ

2mo
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Engineer I, Mechanical
Parsippany or United States
$78k-$90k/yr OnsiteFull Time
Marotta Controls
Marotta Controls: Designs and manufactures precision control systems for aerospace and defense.
1+ YOEBS in Mechanical Engineering; 1-5 years design experience; knowledge of mechanical/electro-mechanical systems, pneumatics, hydraulics; CAD tools; security clearance eligibility; US citizenship; willing to travel up to 20%.
ANSYS, Pro/E (Creo), MS Office
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3w
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Senior Engineer I
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$215k-$254k/yr RemoteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
5+ YOEBachelor's in a STEM field and 5+ years experience building and operating distributed systems using Go, Python, TypeScript, Kubernetes, cloud platforms, and modern storage/streaming technologies.
Go, Python, TypeScript, MySQL, Bigtable, ClickHouse, Postgres, Kafka, PubSub, Kubernetes, Terraform, GCP, AWS, Azure, Docker, gRPC
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1d
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I&C Engineer
Cambridge or New York
$100k-$180k/yr HybridFull Time
Alva Energy
Alva Energy: Developing standardized upgrades to increase existing nuclear power output.
5+ YOEBachelor's degree in engineering,5+ years I&C experience,3+ years in power generation or regulated facilities,PLC/DCS programming,hardware design,testing,commissioning,and ability to travel to project sites.
Ovation, Allen-Bradley ControlLogix, Siemens S7, Python, C/C++
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1mo
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Senior AI Engineer I
Phoenix or New York
$123k-$215k/yr HybridFull Time
American Express
American ExpressNYSE: AXP: Global financial services and credit card payment network.
5+ YOE5+ years software engineering experience with production LLM/ML systems, strong backend/API/cloud fundamentals, hands-on LLM tooling and RAG pipelines, AI-assisted workflows, and US work authorization required.
Python, Go, TypeScript, AWS, GCP, Kubernetes, REST, gRPC, Kafka, LLM, RAG
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1w
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Engineer I/II - Traffic Modeling
New York City or United States
$64k-$111k/yr HybridFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
3+ YOEBachelor's in civil engineering, 3+ years traffic engineering experience (I) or 5+ years (II), strong VISSIM skills, EMR not relevant, excellent communication and analytical skills.
VISSIM, VBA, Python, AIMSUN, VISUM, TransCAD, SimTraffic, Synchro, Highway Capacity Software (HCS), CAE/CAD
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1mo
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Engineer I
New Britain, Pennsylvania, United States
OnsiteFull Time
Air Company
Air Company: Transforms carbon dioxide into carbon-negative fuels and chemicals.
0+ YOEBachelor's in chemical engineering, 0–2 years relevant experience or internships, exposure to process development and pilot plant operations, familiarity with AutoCAD/ Aspen/ Python/ Matlab, strong attention to safety and teamwork.
AutoCAD, Aspen, Python, Matlab
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Software Engineer-I
Edison, New Jersey, United States
OnsiteFull Time
Mobility Ideal Health
Mobility Ideal Health: Provider of advanced orthotics, prosthetics, and rehabilitative care services.
0+ YOEEntry-level software engineer with foundational knowledge in programming, cloud basics, and web tech; bachelor's degree in CS or related field; strong problem-solving and communication skills.
Java, Python, HTML, CSS, JavaScript, Docker, Kubernetes, Oracle Cloud, AWS, Azure, GCP
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2mo
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Process Development Engineer I - Analytics Automation Development
Tarrytown, New York, United States
$80k-$131k/yr OnsiteFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
3+ YOEBS in Engineering with 3+ years or MS with 0-3 years; strong lab automation experience; programming liquid handlers; GLP compliance; data automation experience.
Hamilton Robotics, Biosero, HighRes, Green Button Go, Cellario
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2mo
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Senior Engineer I, Drug Product Process Engineer (Hopewell, NJ)
Hopewell, New Jersey, United States
OnsiteFull Time
BeOne Medicines
BeOne MedicinesNasdaq: ONC: Develops and sells innovative medicines for treating cancer worldwide.
5+ YOEBS or higher in engineering; 5+ years biopharmaceutical manufacturing/engineering; 3+ years project management in biologics/GMP; GMP operations experience; lyophilizers/isolators/aseptic filling experience.
Microsoft Office, Project Management Tools, AutoCAD, Smartsheet, Power BI, SharePoint, Veeva Vault, eQMS
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1mo
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Mechanical Engineer I
Cedar Grove, New Jersey, United States
$75k-$90k/yr OnsiteFull Time
Queens Carbon
Queens Carbon: Develops technology for carbon-neutral cement and construction materials.
2+ YOEBachelor's in Mechanical or Electrical Engineering (or equivalent experience), 2+ years hands-on engineering experience, experience with automation/controls, fabrication/CAD, fluid/gas management, and ability to work onsite full-time.
PLC, Arduino, Instrumentation, Industrial Controls, 3D Printing, CNC, CAD
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2w
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Manufacturing Engineer I
Morganville, New Jersey, United States
$70k-$85k/yr OnsiteFull Time
Thorlabs
Thorlabs: Designs and manufactures photonics equipment and specialized optical components.
3+ YOE3+ years manufacturing engineering experience; Bachelor's in Engineering or equivalent; proficiency with Microsoft Office and PLM; experience with quality improvement tools, measurement equipment, ISO processes; able to lift 20 lb.
Microsoft Office, PLM
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1mo
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RESEARCH ENGINEER I
Livingston, New Jersey, United States
$57k-$67k/yr HybridFull Time
Inteplast Group
Inteplast Group: Manufactures diverse integrated plastic films, bags, and building materials.
Bachelor's or master’s in engineering (materials, mechanical, polymer preferred), engineering research experience, strong verbal/written skills, Microsoft Office Suite experience, reliable attendance, ability to work non-standard hours.
Microsoft Office Suite
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1mo
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Commissioning Engineer I
New York, New York, United States
FieldFull Time
Bright Power
Bright Power: Provides energy and water management for multifamily real estate.
2+ YOEDegree or pursuing degree in Architecture/Engineering/Construction, 2+ years preferred in mechanical engineering/commissioning, knowledge of MEP systems, NYC energy code, OSHA-10, ability to read plans, willing to travel to construction sites.
Procore, Salesforce, Microsoft Excel, Facility Grid
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2mo
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Electrical Engineer I
Picatinny Arsenal, New Jersey, United States
$70k-$90k/yr OnsiteFull Time
Total Technology
Total Technology: Provides engineering and technical support services for government programs
5+ YOE1-5 years electrical engineering experience; ability to qualify for/obtain security clearance; strong C/C++ and hardware design skills.
C, C++, Ethernet, CAN, I2C, USB
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1w
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Manufacturing Engineer I
Pine Brook, New Jersey, United States
$80k-$95k/yr OnsiteFull Time
Kearfott
Kearfott: Designs and manufactures aerospace guidance and motion control systems.
Bachelor's in engineering required, US citizenship required, experience in manufacturing process development, Microsoft Office and ERP/MRP familiarity, Lean/Six Sigma preferred.
Microsoft Office Suite, ERP/MRP systems
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1mo
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Engineer I, Process Engineer
Fair Lawn, New Jersey, United States
$31-$46/hr OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
0+ YOEBachelor's in engineering required; 0-2 years manufacturing or regulated environment experience; exposure to Lean/Six Sigma; experience with data analysis (Excel, Minitab); familiarity with industrial equipment and automation; strong communication skills.
Microsoft Excel, Minitab
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2w
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BioMed Engineer I
Denville, New Jersey, United States
$26-$35/hr OnsiteFull Time
Prime Healthcare
Prime Healthcare: Operates a nationwide network of acute care community hospitals.
0+ YOEBachelor's in biomedical engineering or related, ability to troubleshoot and read schematics, 0-1 years experience preferred, valid driver’s license, strong communication and willingness to learn.
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3w
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Process Engineer I
Plainsboro, New Jersey, United States
$62k-$85k/yr OnsiteFull Time
Integra LifeSciences
Integra LifeSciencesNASDAQ: IART: Manufacturing surgical instruments and regenerative medical technology devices.
0+ YOEBachelor's in engineering or equivalent, 0-2 years' experience, SPC/Minitab and Microsoft Office knowledge, lean six sigma exposure, strong English communication and project skills.
SPC, Minitab, Lean Six Sigma, Microsoft Office
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3w
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Standards Engineer I
Wall, New Jersey, United States
$71k-$96k/yr HybridFull Time
New Jersey Resources
New Jersey ResourcesNYSE: NJR: Provide natural gas and clean energy infrastructure services.
0+ YOEBachelor's in engineering required, 0-2 years relevant experience, knowledge of pipeline safety, DIMP/TIMP/CP programs preferred, strong technical writing, analytical skills, and Microsoft Office proficiency.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2mo
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Process Engineer I
Bristol, Pennsylvania, United States
OnsiteFull Time
Dunmore
DunmoreNYSE: SPLP: Manufactures specialty coated, laminated, and metallized technical films.
Bachelor's degree in engineering or materials field, internship/co‑op experience preferred; proficiency with Microsoft Office, CAD, JMP/Minitab; familiarity with Lean/Six Sigma; strong analytical and communication skills.
Microsoft Office, CAD, process modeling software, JMP, Minitab
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