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Moldflow Engineer Jobs (NOW HIRING)

The Principal Tooling Engineer is a senior individual contributor providing advanced tooling ... Experience using mold simulation tools beyond general mold flow exposure (e.g., Moldflow, Moldex3D ...

... Engineer solutions that meet their requirements * Interface with Tier One suppliers to bring ... Ability to read moldflow and interpret results to guide component and tooling design * Tool design ...

Plastics Design Engineer

Arlington, VT · On-site

$75K - $95K/yr

... as well as moldflow simulation * Generation and interpretation of 2D prints and associated ... Analyzes engineering proposals, process requirements, and related technical data relating to ...

The Process Engineer is responsible for leading advanced process development across the full ... Develop processes, review Moldflow data for start-up and debug * Travel to customer sites, tool ...

... as well as moldflow simulation * Generation and interpretation of 2D prints and associated ... Analyzes engineering proposals, process requirements, and related technical data relating to ...

Sr. Process Engineer

Oxford, CT · On-site

$120K - $135K/yr

The Molding Process Engineer will be responsible for sampling, process development, and ... Experience using Computer Aided Design (CAD) software; experience with Moldflow, RJG/eDART, cavity ...

The Principal Tooling Engineer is a senior individual contributor providing advanced tooling ... Experience using mold simulation tools beyond general mold flow exposure (e.g., Moldflow, Moldex3D ...

The Principal Tooling Engineer is a senior individual contributor providing advanced tooling ... Experience using mold simulation tools beyond general mold flow exposure (e.g., Moldflow, Moldex3D ...

Are you passionate about precision engineering and solving complex design challenges? We're looking ... Familiarity with Moldflow or similar simulation software. * Experience designing hot runner systems.

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Moldflow Engineer information

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$39K

$101.8K

$137.5K

How much do moldflow engineer jobs pay per year?

As of Jul 19, 2026, the average yearly pay for moldflow engineer in the United States is $101,752.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What are some typical challenges faced by Moldflow Engineers in their daily work?

Moldflow Engineers often encounter challenges such as interpreting complex simulation results, resolving discrepancies between simulation predictions and real-world outcomes, and communicating technical findings to cross-functional teams. Adapting simulation inputs to accommodate new materials, product designs, or tight production timelines is also common. Being able to troubleshoot and iterate quickly with both design and manufacturing teams is crucial for streamlining the injection molding process and ensuring high product quality. These challenges make the role dynamic and provide opportunities for creative problem-solving and professional growth.

What is a Moldflow Engineer job?

A Moldflow Engineer specializes in injection molding simulation using Moldflow software to optimize plastic part designs and manufacturing processes. They analyze material flow, cooling, warpage, and potential defects to improve mold designs and production efficiency. Their role helps prevent costly manufacturing issues, ensuring high-quality plastic components. Additionally, they collaborate with design, engineering, and production teams to refine product manufacturability and reduce cycle times.

What are the key skills and qualifications needed to thrive in the Moldflow Engineer position, and why are they important?

To thrive as a Moldflow Engineer, you need a solid background in plastics engineering, mechanical engineering, or a related field, with expertise in polymer processing and injection molding simulation. Proficiency in Moldflow simulation software (such as Autodesk Moldflow), CAD tools, and familiarity with manufacturing standards or certifications are typically expected. Strong analytical thinking, attention to detail, and effective communication with both technical and non-technical teams are crucial soft skills. These abilities are vital for optimizing mold designs, preventing production defects, and supporting efficient manufacturing processes.

More about Moldflow Engineer jobs
What are the most commonly searched types of Moldflow Engineer jobs? The most popular types of Moldflow Engineer jobs are:
What states have the most Moldflow Engineer jobs? States with the most job openings for Moldflow Engineer jobs include:
What job categories do people searching Moldflow Engineer jobs look for? The top searched job categories for Moldflow Engineer jobs are:
Infographic showing various Moldflow Engineer job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $101,752 per year, or $48.9 per hour.

Principal Tooling Engineer

medplast

San Antonio, TX • On-site

Other

Posted 28 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).