Injection Molding Process EngineerInfiltrator Water Technologies (IWT) is a market leader within the onsite wastewater treatment industry. Infiltrator manufactures a variety of revolutionary products and innovative, environmentally friendly alternatives to traditional stone and pipe leachfield and concrete septic wastewater system components. IWT is a wholly owned subsidiary of Advanced Drainage Systems (ticker: WMS, NYSE).The majority of our products are produced almost entirely from recycled resins.
Infiltrator's recycling operation is among the country's top twenty producers / consumers of recycled resins and among only a few of whom consume 100% of that resin in the finished products produced. Infiltrator operates some of largest molding machines and robotics producing the largest plastic molded parts in the world. IWT has always and continues to compete on innovation; we hold over 200 patents.ResponsibilitiesPosition Overview:The Injection Molding Process Engineer is responsible for developing, optimizing, and sustaining molding processes to ensure high-quality, cost-effective production.
This role focuses on process stability, scrap reduction, cycle time optimization, and implementation of continuous improvement initiatives. The engineer will work cross-functionally with tooling, maintenance, quality, and production teams to troubleshoot issues and drive measurable performance gains. This could be a second shift position.Core Responsibilities:Develop, validate, and optimize injection molding processes for new and existing programsLead structured problem-solving activities (DOE, root cause analysis, SPC) to reduce scrap and improve qualityEstablish and document standard processing parameters, setup sheets, and work instructionsSupport mold trials, qualification runs, and new product launchesTroubleshoot molding defects such as short shots, flash, warp, dimensional variation, and cosmetic issuesDrive cycle time reduction, material usage optimization, and overall equipment efficiency (OEE) improvementsCollaborate with tooling and maintenance teams to improve mold performance and reliabilityAnalyze process data and trends to identify opportunities for continuous improvementSupport validation activities (IQ/OQ/PQ where applicable)Train technicians and operators on best practices, process standards, and troubleshooting techniquesEnsure adherence to safety, quality, and environmental standardsLead continuous improvement and cost saving initiativesIdentify root causes and implement permanent corrective actions for process related functionsAssist in the development and coordination of project plans, review vendor proposals, manage team activities, communicate changes, provide progress updates, and complete on time and within budget.Qualifications (Must Have):Bachelor's degree in engineering (Plastics, Mechanical, Manufacturing, or related field) or equivalent firsthand experience10+ years of experience in injection molding process engineering or equivalent technical role.Strong understanding of scientific molding principles (fill, pack, hold, cooling optimization)Proven experience with troubleshooting molding defects and process instabilityExperience running and analyzing Design of Experiments (DOE)Familiarity with thermoplastics materials.Ability to interpret part drawings and CAD data.Strong data analysis skills and experience using SPC toolsExperience with molding machines, hot runner systems, and auxiliary equipmentProficiency in Microsoft Excel and standard manufacturing toolsQualifications (Beneficial):RJG Master Molder certification or similar scientific molding trainingFamiliarity with mold flow analysis (Moldflow or equivalent)Knowledge of automation systems (robotics, conveyors, vision inspection)Experience with Six Sigma / Lean Manufacturing methodologiesKnowledge of project management principles and practicesIdeal Candidate Profile:Analytical, with a data-driven approach to problem solvingContinuous improvement mindset with a passion for reducing waste and improving efficiencyEffective communicator who can translate technical concepts to operators and leadershipMeticulous with a focus on process consistency and repeatabilityAble to manage multiple priorities in a fast-paced manufacturing environmentCollaborative, and capable of influencing cross-functional teamsCompany BenefitsHealth & Welfare Benefits: Medical and prescription drug plans, telemedicine (with medical plan), High-Deductible Health Plan (HDHP) and Health Savings Account (HSA), dental and vision plans, virtual physical therapy*, an employee assistance program (EAP)*, and voluntary accident, critical illness, and hospital indemnification programs.Financial Benefits: Retirement 401k program with company match, an employee stock purchase plan (voluntary), financial wellness planning*, paid parental leave*, flexible spending accounts (FSA) for child care and health care, short-term and long-term disability*, basic life insurance, accidental death and dismemberment (AD&D)*, adoption financial reimbursement*, tuition reimbursement*, voluntary life insurance (for employees, spouses, and children), and voluntary identity theft and fraud protection.*100% paid by ADS.EEO StatementADS supports an inclusive workplace that values diversity of thought, experience, and background.
We celebrate the power of our differences to create better solutions for our customers by ensuring employees can be their authentic selves each day. ADS is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state or local law.