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Senior Injection Molding Process Engineer Jobs in Piscataway, NJ

Mauser Packaging Solutions

Process Engineer

Dayton, NJ · On-site

$88K/yr

... process development efforts and interaction with part quality. Feedback to corporate engineering ... within Injection Molding Plastics Manufacturing * Working knowledge of high-volume manufacturing

LMT Mercer Group Inc

Skilled Tool & Die Maker

NJ · On-site

$30 - $45/hr

Build, repair, and maintain injection molds used in plastic part production. * Read and interpret technical drawings, CAD models, and engineering specifications to fabricate precision tooling.

New

Zeus Company, Inc.

Process Engineer

Branchburg, NJ

$120K/yr

Plastics experience (Injection / Extrusion) / Extrusion experience (Rubber, etc) / Medical device process is preferred 4 yr. Engineering Degree, preferably Mechanical Engineering Experience with Lean ...

Zeus

Process Engineer

Branchburg, NJ

$120K/yr

Plastics experience (Injection / Extrusion) / Extrusion experience (Rubber, etc) / Medical device process is preferred 4 yr. Engineering Degree, preferably Mechanical Engineering Experience with Lean ...

Zeus Company, Inc.

Process Engineer

Branchburg, NJ · On-site

$120K/yr

Plastics experience (Injection / Extrusion) / Extrusion experience (Rubber, etc) / Medical device process is preferred • 4 yr. Engineering Degree, preferably Mechanical Engineering • Experience ...

Promachbuilt

Sr. Process Engineer

New York, NY

$120K - $150K/yr

As a Sr. Process Engineer on our team, you will oversee the sale and execution phases of large projects with customers. This will include a variety of products, even potentially in new markets and ...

New

LMT Mercer Group Inc

CNC Machine Programmer

NJ · On-site

$85K - $100K/yr

The ideal candidate will have experience programming CNC machines for the fabrication of components used in injection mold tooling. This role requires strong knowledge of machining process, CAD/CAM ...

New

Cellares

Senior Process Engineer

Bridgewater, NJ

$90K - $210K/yr

Position Summary We are seeking an innovative and highly motivated Senior Process Engineer on our MSAT team who will contribute significantly to the development of our advanced cell therapy ...

Cellares

Senior Process Engineer

Bridgewater, NJ

$90K - $210K/yr

Position Summary We are seeking an innovative and highly motivated Senior Process Engineer on our MSAT team who will contribute significantly to the development of our advanced cell therapy ...

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All JobsInjection Molding Process Engineer JobsSenior Injection Molding Process Engineer JobsSenior Injection Molding Process Engineer Jobs in Piscataway, NJ

Senior Injection Molding Process Engineer information

See Piscataway, NJ salary details

$76.4K

$123.4K

$173.7K

How much do senior injection molding process engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior injection molding process engineer in Piscataway, NJ is $123,404.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,000.00 and $137,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior injection molding process engineer?

To thrive as a Senior Injection Molding Process Engineer, you need a deep understanding of polymer science, mold design, process optimization, and typically a degree in engineering or a related field. Expertise with CAD software, process simulation tools, and familiarity with quality systems like ISO 9001 are commonly required, along with certifications such as RJG or Six Sigma. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills for collaborating with cross-functional teams and troubleshooting production issues. These skills ensure efficient production, high-quality output, and continuous improvement in complex manufacturing environments.

What does a senior injection molding process engineer do?

A Senior Injection Molding Process Engineer is responsible for designing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They oversee process improvements, ensure product quality, and collaborate with cross-functional teams to meet production goals. Additionally, they may develop and implement new molding technologies, train staff, and support maintenance of equipment to ensure efficient and reliable operations.

What is the difference between Senior Injection Molding Process Engineer vs Injection Molding Technician?

AspectSenior Injection Molding Process EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in process optimizationTechnical diploma or associate degree, on-the-job training
Work EnvironmentDesigning processes, analyzing data, improving production efficiencyOperating machinery, performing setup and maintenance
ResponsibilitiesProcess development, troubleshooting, process validationMachine operation, quality checks, routine maintenance

The Senior Injection Molding Process Engineer focuses on process design, optimization, and troubleshooting, requiring higher-level technical skills and education. In contrast, the Injection Molding Technician handles daily machine operation and maintenance tasks. Both roles are essential in the manufacturing environment but differ in scope and responsibilities.

What are the common challenges faced by senior injection molding process engineers when introducing a new mold into production?

Senior Injection Molding Process Engineers often encounter challenges such as optimizing process parameters for new molds, ensuring part quality meets specifications, and troubleshooting issues like warpage or incomplete filling. Collaboration with design, tooling, and quality teams is essential to address these challenges and implement effective solutions quickly. Additionally, balancing production efficiency with consistent quality requires careful monitoring and adjustment during the initial production runs.
What cities near Piscataway, NJ are hiring for Senior Injection Molding Process Engineer jobs? Cities near Piscataway, NJ with the most Senior Injection Molding Process Engineer job openings:
Senior Injection Molding Process Engineer jobs near you
Infographic showing various Senior Injection Molding Process Engineer job openings in Piscataway, NJ as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $123,404 per year, or $59.3 per hour.

Foreman Assistant Injection Molding (3rd Shift)

Delta Personnel Services

Piscataway, NJ

$19/hr

Full-time

Posted 22 days ago

Job description

Job Title: Foreman Assistant – Injection Molding (3rd Shift)
Location: Piscataway, NJ
Pay Rate: $19/hour
Schedule: 3rd Shift – 10:30 PM to 8:30 AM
Job Type: Temp-to-Hire

Job Description:
We are seeking an experienced Foreman Assistant with a background in the plastics industry to support our 3rd shift injection molding operations in Piscataway, NJ. The ideal candidate will have experience working in a plastic manufacturing environment and a basic understanding of injection molding processes. This role will assist with troubleshooting injection molding machines, monitoring production, and supporting the team to ensure smooth daily operations.
Training will be provided for company-specific processes and procedures. We are looking for someone with a strong work ethic, mechanical aptitude, and a willingness to grow within the organization.
Responsibilities:
  • Assist the Foreman with daily injection molding production activities
  • Help troubleshoot injection molding machines and identify production issues
  • Monitor machine operation, production output, and product quality
  • Assist with machine adjustments and basic troubleshooting
  • Support packing and production lines when needed
  • Follow safety procedures and maintain a clean work environment
  • Communicate production concerns and equipment issues to leadership
  • Assist in maintaining efficient production flow
Qualifications:
  • Previous experience in the plastics manufacturing industry required
  • Experience with injection molding machines preferred
  • Basic understanding of plastic processing and production operations
  • Mechanical aptitude and troubleshooting skills
  • Ability to work independently on a 3rd shift schedule
  • Strong attention to detail and commitment to quality
  • Reliable attendance and positive work attitude
Physical Requirements:
  • Ability to stand for extended periods
  • Ability to lift and move materials as needed
  • Comfortable working in a fast-paced manufacturing environment
Why Join Us:
  • Competitive pay: $19/hour
  • Training provided
  • Long-term opportunity with growth potential
  • Stable overnight schedule
  • Opportunity to expand your injection molding and leadership skills