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Flex Injection Molding Engineer Jobs in Boston, MA

Xometry

Application Engineer, Injection Molding

Waltham, MA · Hybrid

$65K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Xometry is seeking a driven and technically-minded Application Engineer, Injection Molding to join our team. In this role, you'll be a critical link between our customers, sales team, and engineering ...

Xometry

Application Engineer, Injection Molding

Waltham, MA · On-site

$65K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Xometry is seeking a driven and technically-minded Application Engineer, Injection Molding to join our team. In this role, you'll be a critical link between our customers, sales team, and engineering ...

Plastic Molding Mfg, Inc.

Plastics Engineer

Hudson, MA · On-site

$110K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Type Full-time Description Drive Innovation at a Leader in Custom Injection Molding Since 1968 ... S. facilities, we combine scale with deep engineering expertise-making us a go-to partner for ...

Plastic Molding Manufacturing

Quality Engineer

Hudson, MA · On-site

$80K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Build Your Future with an Industry Leader in Custom Injection Molding Plastic Molding Manufacturing ... Quality Engineer (Plastic Injection Molding) * Location: Hudson, MA (on-site) * Schedule: Monday to ...

Plastic Molding Mfg, Inc.

Technical Sales Engineer

Hudson, MA · On-site

$75K - $80K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Technical Sales Engineer (Plastic Injection Molding) * Location: Hudson, MA (on-site) * Schedule: Monday to Friday 8am-5pm * Compensation: $75K - $80K +Commission (Dependent on Experience)

G & F Precision Molding Inc

Applications Engineer

Danvers, MA · On-site

$90K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Lead tooling, automation, injection molding, and risk reduction strategies to successfully ... Engineer cost models and effectively communicate the value of proposed solutions through quotations.

Nova Biomedical

Senior Plastics Process Engineer

Billerica, MA · On-site

$130K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Sr. Plastics Processing Engineer for the injection molding department has responsibility for developing injection molding process parameters for new and existing molds. As the Sr. Plastics ...

Nova Biomedical

Senior Plastics Process Engineer

Billerica, MA

$130K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Sr. Plastics Processing Engineer for the injection molding department has responsibility for developing injection molding process parameters for new and existing molds. As the Sr. Plastics ...

Nova Biomedical

Senior Plastics Process Engineer

Billerica, MA

$130K - $145K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Sr. Plastics Processing Engineer for the injection molding department has responsibility for developing injection molding process parameters for new and existing molds. As the Sr. Plastics ...

Plastic Molding Mfg, Inc.

Pricing Engineer

Hudson, MA · On-site

$80K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This Pricing Engineer will review and analyze customer RFQs, drawings, CAD models, and ... Proven experience pricing/quoting custom plastic injection molding jobs * Strong knowledge of ...

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Flex Injection Molding Engineer information

See Boston, MA salary details

$33.7K

$97.2K

$128.2K

How much do flex injection molding engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for flex injection molding engineer in Boston, MA is $97,156.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,500.00 and $113,500.00 per year, depending on experience, location, and employer.

What does a flex injection molding engineer do?

A Flex Injection Molding Engineer is responsible for designing, optimizing, and overseeing the manufacturing process of plastic parts using injection molding technology, often in flexible or contract manufacturing environments. They work on improving mold designs, selecting suitable materials, setting machine parameters, and troubleshooting production issues to ensure high-quality and cost-effective products. Their role often involves collaborating with product designers, quality control teams, and production staff to achieve efficient and reliable mass production of plastic components.

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

To thrive as a Flex Injection Molding Engineer, you need a strong background in plastics engineering, process optimization, and manufacturing principles, generally supported by a degree in engineering or a related field. Familiarity with injection molding machines, CAD/CAM software, and industry standards such as ISO or Six Sigma certifications is typically required. Strong problem-solving, communication, and project management skills help you collaborate with cross-functional teams and resolve production challenges effectively. These skills ensure efficient, high-quality, and cost-effective production of molded components in a competitive manufacturing environment.

What are some common challenges faced by flex injection molding engineers, and how can they be addressed in a production setting?

Flex Injection Molding Engineers often encounter challenges such as maintaining consistent product quality, troubleshooting equipment malfunctions, and minimizing cycle times while maximizing efficiency. Addressing these issues typically involves collaborating closely with cross-functional teams, implementing robust process monitoring systems, and staying up to date with the latest advancements in molding technology. Proactively participating in root cause analysis and continuous improvement initiatives can also help engineers overcome these challenges and contribute to a more streamlined production environment.

What is the difference between Flex Injection Molding Engineer vs Injection Molding Technician?

AspectFlex Injection Molding EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in molding processesTechnical diploma or certification in molding or manufacturing
Work EnvironmentDesign, process optimization, troubleshooting in manufacturing plantsOperate and maintain molding machines on the production floor
ResponsibilitiesDeveloping processes, improving product quality, troubleshooting complex issuesSetting up machines, monitoring production, performing routine maintenance

The Flex Injection Molding Engineer focuses on process development, design, and troubleshooting, often working on process optimization and quality improvement. In contrast, the Injection Molding Technician handles daily machine operation and maintenance. Both roles are essential in manufacturing but differ in scope and responsibilities.

What are the most commonly searched types of Injection Molding Engineer jobs in Boston, MA?

The most popular types of Injection Molding Engineer jobs in Boston, MA are:

What are popular job titles related to Flex Injection Molding Engineer jobs in Boston, MA?

For Flex Injection Molding Engineer jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Flex Injection Molding Engineer jobs in Boston, MA look for?

The top searched job categories for Flex Injection Molding Engineer jobs in Boston, MA are:

Flex Injection Molding Engineer jobs near you

Engineer: Injection Molding Engineer

Nanobiosym

Cambridge, MA

Full-time

Re-posted 27 days ago

Job description

Injection Molding Engineer

Nanobiosym is on the cusp of rewriting the rules of personalized medicine, novel technologies, and healthcare delivery. Founded by a renowned MIT and Harvard trained Physician and Physicist, Nanobiosym's innovative pipeline of products leverage novel advances in physics, biomedicine, and nanotechnology. Awarded the first ever X-PRIZE for healthcare, and a recipient of multiple other prestigious peer-reviewed funding awards, Nanobiosym is currently adding to its talented team as it expands into a global commercial enterprise. We are currently seeking Engineering candidates to add to our growing team.

DUTIES

  • Collaborate with team members and management to develop and improve injection molded and assembled products and processing thru numerous manufacturing steps.
  • Develop and implement validation protocols (IQ/OQ/PQ) that comply with FDA regulations.
  • Provide troubleshooting focus and direction for the team with details of root cause analysis.
  • Utilizes Lean principles to develop creative, thorough and practical technical solutions.
  • This is a hands-on position where the requirement is to wear many hats where opportunities grow rapidly
  • Utilize Lean principles to develop creative, thorough and practical technical solutions.
  • Responsible for debugging, packaging and sterilization.
  • Participate in cross functional teams to improve safety, quality, efficiency and overall productivity
  • Monitor and validate existing injection molding processes and molds to develop and execute continuous improvement opportunities.
  • Document changes to processes and equipment using change management system
  • Identify risks, technical options value propositions, and champion solutions

QUALIFICATIONS

  • M.S. or B.S. in Engineering (Plastics or Mechanical preferred)
  • Six Sigma Black Belt is preferred
  • 7+ years of experience in molding, micromolding, mold flow, mold-making and tooling in manufacturing environment
  • 7+ years of experience in diverse technical, materials, manufacturing and product design
  • Recent experience with medical device development, in an FDA regulated (21 CFR 820) and/or ISO 13485 environment
  • Experience in design improvements and solid works/CAD
  • Experience in statistical analysis and statistical process control
  • Strong written and verbal communication skills as well as documentation and organizational skills
  • Strong mechanical aptitude
  • A passion for problem solving and thrive on handling multiple priorities and working in a fast-paced environment

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