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Plastic Injection Mold Estimator / Mold Sales Engineer

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Marman Industries, Inc. Ind

La Verne, CA (In Person)

$115,000 Salary, Full-Time

Posted 1 day ago (Updated 1 hour ago) • Actively hiring

Expires 6/17/2026

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Job Description

Job Title:
Plastic Injection Mold Estimator /
Mold Sales Engineer Job Summary:
We are seeking an experienced and detail-oriented Plastic Injection Mold Estimator / Mold Sales Engineer to join our team. This role is responsible for preparing accurate mold cost estimates, supporting sales efforts, and serving as a technical liaison between customers and internal teams. The ideal candidate will have a strong background in mold making, excellent communication skills, and the ability to interpret customer requirements into competitive and profitable quotations.
Key Responsibilities:
  • Prepare accurate and timely cost estimates for plastic injection molds based on customer drawings, specifications, and RFQs.
  • Review part designs and provide feedback on manufacturability, tooling feasibility, and cost-saving opportunities.
  • Collaborate with engineering, tooling, and production teams to develop reliable cost assumptions.
  • Communicate directly with customers to clarify project requirements and present quotations.
  • Support sales efforts by developing technical proposals and maintaining customer relationships.
  • Track and follow up on quotes to help convert opportunities into awarded projects.
  • Maintain organized records of estimates, pricing, and project details.
  • Stay current on materials, processes, and industry trends related to injection molding and tooling.
Qualifications:
  • Minimum of 5 years of hands-on mold making experience (required) plus 5 years of Sales Engineering / Estimators required.
  • Strong understanding of plastic injection mold design, construction, and manufacturing processes
  • Proficiency in SolidWorks (required)
  • Proficiency in Microsoft Office Suite (Excel, Word, Outlook and PowerPoint)
  • Ability to read and interpret engineering drawings and CAD models.
  • Excellent written and verbal communication skills
  • Strong attention to detail and organizational skills
  • Ability to manage multiple projects and deadlines in a fast-paced environment.
Preferred Qualifications:
  • Previous experience in estimating or quoting injection molds.
  • Experience in a customer-facing or sales engineering role
  • Knowledge of mold flow analysis or DFM principles
  • Familiarity with
IQMS and Microsoft Access Work Environment:
  • Office and manufacturing floor interaction
  • Occasional travel may be required for customer visits.
Pay:
$100,000.00 - $130,000.00 per year
Benefits:
401(k) 401(k) matching Dental insurance Health insurance Life insurance Paid time off Referral program Vision insurance
Work Location:
In person

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