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Temporary Prototype Build Engineer Jobs in New Jersey

USCS

AI Platform Engineer

Camden, NJ · On-site

$140K - $150K/yr

Working closely with the Senior Manager of Engineering Productivity and teams across Technology, you will prototype, build, test, and operationalize AI-assisted and agentic capabilities. Your work ...

United States Cold Storage

AI Platform Engineer

Camden, NJ · On-site

$140K - $150K/yr

Working closely with the Senior Manager of Engineering Productivity and teams across Technology, you will prototype, build, test, and operationalize AI-assisted and agentic capabilities. Your work ...

United States Cold Storage

AI Platform Engineer

Camden, NJ · On-site

$140 - $150/hr

Working closely with the Senior Manager of Engineering Productivity and teams across Technology, you will prototype, build, test, and operationalize AI‑assisted and agentic capabilities. Your work ...

Opex

Mechanical Designer

Moorestown, NJ · On-site

Employee will work in both an office/design environment and a hands-on engineering/manufacturing environment. * Role requires regular interaction with production floor, prototype build areas, test ...

OPEX

Mechanical Designer

Moorestown, NJ · On-site

Employee will work in both an office/design environment and a hands-on engineering/manufacturing environment. * Role requires regular interaction with production floor, prototype build areas, test ...

Opex Corp

Mechanical Designer

Moorestown, NJ · On-site

Employee will work in both an office/design environment and a hands-on engineering/manufacturing environment. * Role requires regular interaction with production floor, prototype build areas, test ...

E*Pro, Inc.

Build / Release Engineer

Woodbridge, NJ · Remote

... Temp-to-Hire. In addition, our industry expertise and knowledge within financial services ... Job Title : Build / Release Engineer Location : 100% Remote Job Type : Contract W2 Description:

1014 AD Federal

Staff RF Design Engineer

Elizabeth, NJ · On-site

$131 - $190/hr

... prototype build and test, qualification, and production. Successful candidate will be a technology leader in ADI's Integrated Solutions department driving development of complex high-integration ...

Sonsoft Inc

Informatica, Teradata Consultant

Jersey City, NJ · On-site

$55.50 - $73/hr

... prototype, build, test, deploy. * Demonstrated advanced project management soft skills, including tolerance for ambiguity, ability to earn the trust of stakeholders, ability to motivate team members ...

Sonsoft Inc

$56.50 - $74.25/hr

... prototype, build, test, deploy. * Demonstrated advanced project management soft skills, including tolerance for ambiguity, ability to earn the trust of stakeholders, ability to motivate team members ...

Sonsoft Inc

Informatica, Teradata

Jersey City, NJ · On-site

$55.50 - $73/hr

... prototype, build, test, deploy. * Demonstrated advanced project management soft skills, including tolerance for ambiguity, ability to earn the trust of stakeholders, ability to motivate team members ...

Sharper Sense

Senior Mechatronics Engineer

Newark, NJ · On-site

$60 - $100/hr

Build and modify prototypes using practical fabrication methods such as soldering, rework, bench ... Degree preferred in electrical engineering, mechanical engineering, computer engineering, computer ...

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Temporary Prototype Build Engineer information

What is the difference between Temporary Prototype Build Engineer vs Mechanical Prototype Technician?

AspectTemporary Prototype Build EngineerMechanical Prototype Technician
CredentialsRelevant engineering or technical certifications, degree preferredTechnical diploma or certification in mechanical technology
Work EnvironmentManufacturing labs, R&D facilities, production linesPrototype workshops, testing labs, manufacturing settings
Employer & IndustryAutomotive, aerospace, consumer electronics companiesProduct development, engineering firms, manufacturing companies
Common Search IntentDesigning, building, and testing prototypes in a temporary capacityAssembling and troubleshooting mechanical prototypes

The Temporary Prototype Build Engineer focuses on assembling and testing prototypes temporarily, often requiring engineering knowledge and certifications. In contrast, the Mechanical Prototype Technician specializes in hands-on mechanical assembly and troubleshooting. Both roles are essential in product development but differ mainly in scope, responsibilities, and required credentials.

What are the most commonly searched types of Prototype Build Engineer jobs in New Jersey?

The most popular types of Prototype Build Engineer jobs in New Jersey are:

What are popular job titles related to Temporary Prototype Build Engineer jobs in New Jersey?

For Temporary Prototype Build Engineer jobs in New Jersey, the most frequently searched job titles are:

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The top searched job categories for Temporary Prototype Build Engineer jobs in New Jersey are:

What cities in New Jersey are hiring for Temporary Prototype Build Engineer jobs?

Cities in New Jersey with the most Temporary Prototype Build Engineer job openings:

Temporary Prototype Build Engineer jobs near you
Infographic showing various Temporary Prototype Build Engineer job openings in New Jersey as of August 2026, with employment types broken down into 86% Full Time, and 14% Part Time. Highlights an 100% In-person job distribution.

Prototype Technician

Princeton Critical Minerals (PURELi)

Princeton, NJ • On-site

Other

Medical, Dental, Vision, PTO

Posted 13 days ago

Job description

Location: Princeton, New Jersey

Company: Princeton Critical Minerals


Position Overview:

Princeton Critical Minerals is seeking a skilled and hands-on Workshop Manager / Machinist to oversee daily workshop operations while actively contributing to machining, fabrication, and maintenance tasks. This role requires a balance of leadership, technical expertise, and operational efficiency to support production and R&D activities.


Key Responsibilities:

  • Lead day-to-day workshop operations, ensuring a safe, organized, and productive work environment.
  • Build, fabricate, assemble, and test prototypes, pilot systems, and production equipment.
  • Operate and maintain machining equipment, including CNC mills, lathes, manual machine tools, fabrication equipment, and welding systems.
  • Work directly with engineering teams to convert concepts, CAD models, and drawings into functional hardware.
  • Support rapid design-build-test cycles by identifying practical manufacturing solutions and design improvements.
  • Supervise and mentor technicians, machinists, interns, and contractors as needed.
  • Manage workshop resources, including equipment, tooling, consumables, and inventory.
  • Coordinate preventive maintenance and troubleshoot mechanical systems like conveyors, linear actuators, electrical, pneumatic, and hydraulic systems.
  • Establish workshop best practices, safety procedures, and quality standards.
  • Source materials, components, and fabrication services from external vendors when required.
  • Support field deployments, pilot installations, and equipment commissioning activities.
  • Drive continuous improvement initiatives to increase workshop efficiency and reduce project turnaround time.


Qualifications:

  • 5+ years of hands-on experience in machining, fabrication, prototyping, or workshop operations.
  • Strong experience with CNC machining, manual machining, fabrication, and mechanical assembly.
  • Ability to read and interpret technical drawings and specifications
  • Demonstrated experience building and troubleshooting mechanical systems.
  • Knowledge of safety standards and best practices in a workshop environment
  • Excellent organizational and communication skills


Preferred Qualifications:

  • Experience working in startups, R&D organizations, pilot plants, or product development environments.
  • Proficiency with CAD/CAM software and design-for-manufacturing principles.
  • Welding, metal fabrication, and structural assembly experience.
  • Familiarity with pumps, conveyors, industrial automation, instrumentation, or process equipment.
  • Experience supporting field operations in industrial, mining, water treatment, or chemical processing environments.
  • Ability to work across disciplines including mechanical, electrical, controls, and manufacturing engineering.


Education & Experience:

  • High school diploma or equivalent required; technical certification or associate degree preferred
  • 5+ years of machining experience; 2+ years in a leadership role preferred


Compensation & Benefits:

  • Competitive salary based on experience
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Opportunities for professional growth and advancement

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