Engineer, Manufacturing (Cast Skin/Slush Molding)

Sorry, this job was removed at 07:00 p.m. (UTC) on Wednesday, Oct 14, 2026
Be an Early Applicant
Portage, MI, USA
In-Office
Senior level
Automotive
The Role
Develops, optimizes, and supports cast skin/slush molding tools and processes for automotive interior components. Responsibilities include mold and process development, defect troubleshooting, tooling trials, operator training, preventive maintenance, process audits, lean improvement, production support, engineering changes, and standardization across plants. The role collaborates with design, quality, maintenance, suppliers, and plant teams to achieve safety, quality, productivity, uptime, cost, and delivery targets.
Summary Generated by Built In
Summit Polymers is a leading, global supplier of automotive interior systems including consoles, door panels, and instrument panels.  With over 50 years serving the industry, we deliver engineering and product excellence to our customers, on time, in budget, with the latest innovations.
 
JOIN A TEAM WHERE YOU’LL BE CHALLENGED AND valued.
A career with Summit Polymers means working with smart people in a culture that thrives on challenging, meaningful work. At Summit, we look for growth potential with every hire. We don’t just fill seats, we set people on career paths. We’re always on the lookout for smart people who are committed to continuous improvement, customer service and quality. 

JOB DESCRIPTION

 

 

JOB TITLE:  Engineer, Manufacturing (Cast Skin/Slush Molding)    FLSA STATUS:  Exempt

 

REPORTS TO:  Chief Technical Manager, Manufacturing Coordination

 

 

SUMMARY

The Cast Skin Engineer develops, optimizes, and supports slush molding of plastic parts for automotive interior trim, instrument panels, full center consoles, and kinetic parts.  The engineer works closely with product design, manufacturing, quality, and suppliers to ensure cast skin molding processes and materials meet customer specifications, cost targets, and automotive quality standards.

 

RESPONSIBILITIES AND DUTIES

  • Lead the development and implementation of cast skin/slush molding tool and processes for new products:
  • Participate in part design input and design output reviews.
    • Focus on design optimization to produce highest quality parts via robust cast skin/slush molding tooling conditions and slush mold processability considerations.
  • Participate in cast skin/slush molding tool design reviews.
  • Participate in cast skin/slush molding trials at sample facilities.
    • Support corrective action plans for new cast skin/slush molds.
  • Troubleshoot molding defects including thin spots, bubbles, wrinkles, burns, color variation, and incomplete fill.
  • Develop Operator Instruction Sheets and support development of Quality Inspection Standards to ensure production personnel can work safely while meeting quality and productivity requirements.
  • Coordinate entry of all molds into preventative maintenance system and develop preventative maintenance instructions.
  • Collaborate with Lean Manufacturing Engineer to develop internal mold store packaging that supports efficient labor and automation while ensuring safe & defect-free storage, transport and handling at subsequent operations based on SPI packaging standards and best practices.
  • Perform mold-specific setup and operational training for mold technicians, supervisors, utilities/operators, and managers, and oversee mold change, startups, and production until safety and proficiency are achieved.
  • Collaborate with project engineering to coordinate engineering changes to molds.
  • Support and continually improve all production cast skin/slush molding operations:
  • Support the production team performance – improving safety, quality and efficiency.
    • Utilize practical problem solving (PPS) and kaizen.
    • Troubleshoot tooling, process, and equipment related problems through collaboration with tooling and maintenance teams.
    • Collaborate with maintenance to assess cast skin/slush molding machine capability.
    • Develop justifications for various process improvement projects.
    • Conduct layered process audits to ensure compliance with process setup/verification, standardized work, and quality systems requirements.
  • Achieve assigned corporate-wide performance objectives for the molding manufacturing operations, including safety, quality, productivity (cycle times), operational availability (machine up time), and delivery metrics.
    • Lead development of annual performance targets for slush molding metrics. These include labor cost per hour, mold change times, internal scrap percentage, and others.

 

  • Collaborate with plant management to standardize and improve cast skin/slush molding operations.
    • Cast skin/slush molding focus includes safety, cast skin/slush molding machines, cast skin/slush molding machine work-cell layouts, cast skin/slush molding utilities and infrastructure, material handling equipment, operator and utility work, cast skin/slush mold technician training system, etc.
    • Lead the development, documentation, control, and sharing of cast skin/slush molding standards with participation from plant champions and manufacturing coordination team members.
    • Assist plants with developing and executing plans to implement standards.
    • Audit plants to standards compliance
    • Provide extra assistance to plants who are not meeting targets.

 

EDUCATION AND EXPERIENCE

  • Bachelor’s degree in engineering or a similar technical discipline OR 5 years of experience in a technical position in a cast skin/slush molding environment may be considered.
  • Experience with automotive interior manufacturing preferred.
  • Knowledge of PVC, TPO, or other thermoplastic materials.
  • Understanding of mold design, heat transfer, and polymer processing.
  • Familiarity with automotive quality standards such as IATF 16949.

 

 

SKILLS AND ABILITIES:

  • Proficiency in Microsoft Office software suite – Excel, Word, PowerPoint
  • Effective verbal and written communication skills
  • Independent thinking with strong analytical and problem-solving skills
  • Flexible and able to manage multiple priorities and projects simultaneously
  • Agreement to complete all post-hire required training
  • A minimum score of 50 on the Wonderlic Select Assessment (Traditional Score of 26 on the cognitive portion).

 

TRAVEL REQUIREMENTS

This position typically does require up to 15% travel.

 

DISCLAIMER

The information contained in this job description is not intended to be an all-inclusive list of the duties and responsibilities of the job, nor are they intended to be an all-inclusive list of the skills and abilities required to do the job.  Management may, at its discretion, assign or reassign duties and responsibilities to this job at any time. Agreement to complete all post-hire required training.

 

 

Rev. 7/15/2026

 

 

Skills Required

  • Bachelor’s degree in engineering or a similar technical discipline, or five years of experience in a technical cast skin/slush molding environment
  • Experience with automotive interior manufacturing
  • Knowledge of PVC, TPO, or other thermoplastic materials
  • Understanding of mold design, heat transfer, and polymer processing
  • Familiarity with automotive quality standards such as IATF 16949
  • Proficiency with Microsoft Office, including Excel, Word, and PowerPoint
  • Effective verbal and written communication skills
  • Independent thinking with strong analytical and problem-solving skills
  • Ability to manage multiple priorities and projects simultaneously
  • Agreement to complete all post-hire required training
  • Minimum score of 50 on the Wonderlic Select Assessment, or traditional cognitive score of 26

Similar Jobs

WHOOP Logo WHOOP

Learning Manager

Fitness • Hardware • Healthtech • Sports • Wearables
Remote or Hybrid
USA
500 Employees
125K-150K Annually

NinjaOne Logo NinjaOne

Compliance Analyst

Information Technology • Productivity • Software • Infrastructure as a Service (IaaS)
Remote or Hybrid
18 Locations
2000 Employees
125K-125K Annually

SoFi Logo SoFi

Paralegal

Fintech • Mobile • Software • Financial Services
Easy Apply
Remote or Hybrid
United States
4500 Employees
99K-186K Annually

Centerfield Logo Centerfield

Senior Data Analyst

AdTech • Consumer Web • Digital Media • eCommerce • Marketing Tech • SEO
Remote or Hybrid
United States
890 Employees
95K-115K Annually
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Portage, MI
937 Employees
Year Founded: 1972

What We Do

Summit Polymers is a leading Tier 1 Automotive Supplier of automotive interior systems. As a world-class automotive supplier of injection molded interior trim, we specialize in the engineering, manufacturing, and assembly of feature based registers, consoles and trim panels. Privately held, we have 3000 employees at 11 manufacturing sites, with plants in Michigan, Kentucky, Mexico, China, and Vietnam; plus a Technical Center in Portage, MI and Sales and Engineering office in Dearborn, MI. Our client base includes Ford, GM, Chrysler, Toyota, Nissan, VW, and Fiat.

Similar Companies Hiring

HERE Technologies Thumbnail
Artificial Intelligence • Automotive • Computer Vision • Information Technology • Internet of Things • Logistics • Software
Amsterdam, NL
6000 Employees
Ford Energy Thumbnail
Automotive • Software • Energy • Utilities • Manufacturing • Renewable Energy
US
55 Employees
Vega Thumbnail
Artificial Intelligence • Automotive • Insurance • Transportation
US
65 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account