Amazon · 1 day ago
Senior Injection Molding Process Engineer, Amazon Industrial Robotics
Middlesex County, MA
Full-time
Onsite
Senior Level
$137K/yr - $186K/yr
5+ years expAmazon Industrial Robotics is seeking exceptional talent to help bridge the gap between design and manufacturing for advanced robotics systems. In this role, you will serve as an injection molding and plastics process expert, partnering with suppliers and manufacturers to optimize production goals for robotic components.
Artificial Intelligence (AI)DeliveryE-CommerceFoundational AIRetail
Responsibilities
Lead injection molding process development and optimization in partnership with external suppliers and tooling manufacturers to meet aggressive production targets
Collaborate with mold designers to develop and refine tooling concepts, gating systems, cooling strategies, and ejection mechanisms for complex robotic components
Provide design for manufacturing feedback to hardware engineering teams to optimize part designs for moldability, quality, cost, and assembly
Establish process parameters, quality control methods, and inspection criteria for high-precision injection molded components including structural parts, housings, and functional assemblies
Troubleshoot and resolve injection molding defects including warpage, sink marks, flash, short shots, and dimensional issues in production environments
Develop supplier quality systems and work instructions to ensure consistent part quality and process capability (Cpk/Ppk)
Select and qualify engineering plastics and resins for demanding robotic applications considering mechanical properties, environmental resistance, and cost
Contribute to the design and layout of our future high-volume injection molding facility, including equipment selection, process flow, and automation concepts
Create flexible manufacturing concepts that support product design iteration while maintaining production efficiency
Generate comprehensive process documentation, PFMEA, control plans, and manufacturing specifications
Work with cross-functional teams including design engineering, quality, and supply chain to ensure smooth production ramp-up and long-term scalability
Qualification
Required
Experience collaborating and influencing multiple teams across multiple organizations
Bachelor's degree in Mechanical Engineering, Plastics Engineering, Materials Science, Manufacturing Engineering, or related engineering field
5+ years of hands-on experience in injection molding process engineering in high-volume production environments (automotive, aerospace, consumer electronics, medical devices, or similar industries)
Deep expertise in injection molding fundamentals including material selection, mold design principles, process optimization, and defect mitigation
Experience working directly with injection molding suppliers and tooling manufacturers to develop and optimize production processes
Knowledge of CAD software (SolidWorks or similar) and ability to review part designs for moldability and DFM principles
Experience with injection molding simulation software (e.g., Moldflow, Moldex3D, Simpoe, or similar)
Proven track record troubleshooting complex injection molding quality issues and implementing corrective actions
Experience writing technical documentation including process specifications, work instructions, and quality control plans
Strong understanding of GD&T, inspection methods, and statistical process control (SPC)
Preferred
Experience delivering products to volume production
8+ years of injection molding process engineering experience in automotive, aerospace, or consumer electronics industries
Master's degree in Mechanical Engineering, Plastics Engineering, Materials Science, or Manufacturing Engineering
Experience with engineering thermoplastics including glass-filled resins, high-temperature materials, and specialty polymers for structural applications
Expertise in advanced molding techniques such as gas-assist molding, multi-shot molding, insert molding, or overmolding
Experience with secondary operations including ultrasonic welding, heat staking, pad printing, and assembly of molded components
Experience designing or specifying injection molding equipment, hot runner systems, and automation
Background in factory layout, equipment selection, and manufacturing facility design
Experience with Lean Manufacturing principles, Six Sigma methodologies, and continuous improvement
Knowledge of material testing, failure analysis, and validation protocols
Familiarity with robotic systems, electro-mechanical assemblies, or complex mechanical products
Benefits
Health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage)
401(k) matching
Paid time off
Parental leave
Company
Amazon
Amazon is a tech firm with a focus on e-commerce, cloud computing, digital streaming, and artificial intelligence.
10001+ employees
H1B Sponsorship
Amazon has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (22803)
2024 (21175)
2023 (19057)
2022 (24088)
2021 (12233)
2020 (14881)
Funding
Current Stage
Public CompanyTotal Funding
$8.11BKey Investors
AmazonKleiner Perkins
2023-01-03Post Ipo Debt· $8B
2001-07-24Post Ipo Equity· $100M
1997-05-15IPO
Leadership Team
Douglas J. Herrington
CEO, Worldwide Amazon Stores
Werner Vogels
VP & CTO
Recent News
2026-01-22
2026-01-22
2026-01-22
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