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Moldflow Simulation Jobs (NOW HIRING)

medplast

Principal Tooling Engineer

San Antonio, TX

Experience using mold simulation tools beyond general mold flow exposure (e.g., Moldflow, Moldex3D, Sigma Soft) to support tooling quotes and design decisions. Additional Requirements: * Authorized ...

ITW Automotive

Senior Design Engineer

Rockford, MI

Experience with CAD tools such as CATIA V5, Siemens NX or SolidWorks; familiarity with CAE tools, Moldflow analysis, Solid Works and dynamic simulation is considered a strong advantage. * Ability to ...

Marmon

Development Engineer

Meadville, PA

Complete and evaluate Mold Filling Simulations to be used for cycle time estimates and to identify ... Moldflow Advisor * CAD software proficiency to create layouts and make part design changes

Waymo

Mechanical Engineer, Vehicle Engineering

Novi, MI · On-site +1

$196K - $248K/yr

... in simulation across 15+ U.S. states. Hardware Engineering is a diverse, innovative, and ... Ability to read moldflow and interpret results to guide component and tooling design * Tool design ...

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$39K

$123.4K

$190.5K

How much do moldflow simulation jobs pay per year?

As of Jun 7, 2026, the average yearly pay for moldflow simulation in the United States is $123,399.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,000.00 and $146,500.00 per year, depending on experience, location, and employer.

What is Moldflow Simulation?

Moldflow Simulation refers to the use of specialized software to analyze, predict, and optimize the injection molding process for plastic parts. It enables engineers to simulate how melted plastic fills a mold, cools, and solidifies, helping to identify potential defects such as warpage, air traps, or sink marks before manufacturing begins. By using Moldflow Simulation, companies can save time and costs by reducing the need for physical prototypes and minimizing production issues. This technology is widely used in industries like automotive, consumer goods, and medical devices to ensure high-quality plastic parts.

What are the key skills and qualifications needed to thrive as a Moldflow Simulation Engineer, and why are they important?

To thrive as a Moldflow Simulation Engineer, you need a solid background in engineering (often mechanical or plastics engineering), deep understanding of injection molding processes, and proficiency in simulation analysis. Expertise in Autodesk Moldflow software, CAD tools, and sometimes certifications in simulation or plastics processing are commonly required. Strong analytical thinking, problem-solving, and effective communication skills help you interpret results and collaborate with cross-functional teams. These skills and qualifications are essential for optimizing part design and manufacturing processes, reducing defects, and ensuring product quality.

What is the difference between Moldflow Simulation vs Mold Design Engineer?

AspectMoldflow SimulationMold Design Engineer
Primary FocusAnalyzing and optimizing plastic part and mold designs using simulation softwareDesigning and developing physical molds for manufacturing
Required SkillsCAD, CAE software, material properties, troubleshootingCAD, mechanical design, manufacturing processes
Work EnvironmentEngineering offices, simulation labsManufacturing plants, design studios
CertificationsOften requires CAD/CAE certificationsMechanical engineering degrees, CAD certifications

While Moldflow Simulation specialists focus on virtual analysis to improve mold and part designs, Mold Design Engineers create the physical molds used in manufacturing. Both roles require CAD skills and industry knowledge, but their core tasks differ: one emphasizes simulation and analysis, the other physical mold creation.

What are some common challenges faced by professionals working in Moldflow Simulation, and how can they be addressed?

Professionals in Moldflow Simulation often encounter challenges such as accurately modeling complex part geometries, ensuring material data accuracy, and interpreting simulation results to make actionable recommendations. Staying updated with the latest software features and collaborating closely with design and manufacturing teams can help address these issues. Regular communication with tooling engineers and product designers ensures that simulation insights are effectively integrated into the design and production process, ultimately improving part quality and reducing costly manufacturing iterations.

Principal Tooling Engineer

medplast

San Antonio, TX

Other

Posted 16 days ago

Job description

About the company:
Viant is a global medical device partner providing design, development, manufacturing, and assembly services through capabilities in materials, plastics, metals, extrusion, and automation. With nearly 6,000 employees across 24 locations worldwide, it delivers high quality, life enhancing products with scale and expertise to bring devices to market efficiently. Learn more at Viant Medical’s website or on LinkedIn.

About the role:
The Principal Tooling Engineer is a senior individual contributor providing advanced tooling support focused on on-site tool design, troubleshooting, and mold diagnostics to stabilize production across multiple Viant sites. The role leads/supports tooling execution from RFQ/DFM through build and qualification/validation (IQ/OQ/PQ), using structured root cause analysis and data-driven decisions to resolve complex issues and strengthen long-term robustness. This position also supports quoting and early customer engagements (tool concept and simulation-informed input) and serves as a key technical interface among Viant sites, customers, and tool shops to ensure alignment, compliance, and reliable production outcomes.

What you'll do: 

Tool fabrication cycle:

  • Support Project Managers throughout the tool build cycle
  • Project initiations
  • Provide support to site QE on how to measure dimensions, supporting correlation between Viant manufacturing location, mold shop, & customer, support measurement fixture design and manage fabrication
  • Work with Site Tooling Engineer on requirements throughout design.
  • Work with Process Engineer on requirements throughout design and development.
  • Provide engineering support for business development to sell tooling solutions and solve tooling issues.
  • Provide engineering support for existing tool modification and repairs. 
  • Supervision of tooling bench inspection upon receipt at Viant facility and instruction to tool room employees for correct preparation to get the molds ready for validation as needed.
  • Bench inspection and I.Q., O.Q. runs must have a report.
  • Other related projects and tasks assigned

Site support & troubleshooting:

  • Provide tooling troubleshooting and advanced mold diagnostics support to the manufacturing locations
  • Lead structured root cause analysis and drive corrective actions in collaboration with site teams.
  • Support quoting and early customer engagements by providing tooling technical input (including mold flow/simulation-informed recommendations as applicable).
  • Provide technical support for tooling topics during NPI—supporting DFM reviews, mold start-up, and validation activities (IQ/OQ/PQ) in partnership with Program and Site teams.

RFQ Submission:

  • Concept mold configurations and requirements for quoting
  • Lead technical reviews with the customer and mold shop
  • Manage DFM including Drawing reviews with site Quality Engineers
  • Tool design & compliance with tooling manual 
  • Manage measurement fixture & EOAT design & fabrication
  • Manage mold shop's deliverables & expectations
  • Confirm receiving site requirements including press designation
  • Tool development, review of metrology data for OOS conditions and development into grooming plans.
  • Travel to various customer sites, tool fabrication sites and Viant production facilities as needed. 
  • Prepare, track, and communicate project plans that specify project phases, tasks, task interdependencies and durations. Coordinate tasks and schedules.

Requirements: 

Education:

  • Certification from a trade school in mold making or Associates Technical degree minimum or completion of a 4,000 hour or 2-year mold making apprenticeship.   
  • Bachelor’s degree in engineering is a plus

Years of Experience:

  • 10+ years of experience in a mold repair shop environment, tool maintenance, building of new molds and components, design, qualification, validation, etc. 
  • Experience in medical molding and/or other regulated manufacturing environments 

Job Knowledge:   

  • Experience specifying, reviewing and improving tool designs
  • SolidWorks CAD software abilities, Excel, PPT, Word and MS Project
  • Knowledge in FDA, QSR, and ISO 13485 medical device regulations and standards.
  • Understanding statistics, Cp & Cpk studies for tool grooming.  I.Q., O.Q. and P.Q. requirements
  • Understanding of Gantt charts for tool build schedules
  • Familiarity with the various engineering grade thermoplastic resins and Mold Flow analysis
  • Experience using mold simulation tools beyond general mold flow exposure (e.g., Moldflow, Moldex3D, Sigma Soft) to support tooling quotes and design decisions.

Additional Requirements:

  • Authorized to work in the U.S.
  • Spanish proficiency (Required): Fluent professional Spanish (spoken and written) 
  • Ability to travel up to 75% to Viant sites (U.S., Costa Rica, Tijuana, and Vega Baja, PR)
  • High self-sufficiency and ability to work effectively across multiple sites with frequent short notice travel.
  • Demonstrated root cause analysis leadership for tooling related issues, including driving corrective actions with sites and external tool shops.
  • Strong customer-facing technical communication skills (able to explain complex tooling topics clearly in early customer engagements and NPI phases).

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