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Plastic Injection Mold Estimator / Mold Sales Engineer

Marman Industries, Inc. Ind
La Verne, CA Full Time
POSTED ON 4/9/2026
AVAILABLE BEFORE 6/8/2026

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

Salary : $100,000 - $130,000

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