Additive Manufacturing Engineer

Additive Manufacturing Engineer

Emerging from MIT, Poly6 is an exciting, innovative manufacturing company that specializes in the development and production of advanced additive manufacturing and ceramic components for aerospace turbomachinery. We deliver high-performance products that meet the rigorous demands of quality, durability, and precision required for next-generation turbine engines while helping reduce greenhouse gas emissions.

At Poly6, you will have the opportunity to work alongside a highly talented team to solve problems in one of the world's most complex engineering sectors: aviation.

WHAT WE OFFER

• Weekly Pay for Hourly Employees
• Comprehensive Benefit Plans
• Quarterly Bonus Opportunity
• 401k with Company Match
• Emphasis on Employee Engagement
• Paid Holidays and Vacation Time
• Tuition Reimbursement
• Opportunities for Advancement

JOB SUMMARY

The Principal Additive Manufacturing Engineer will lead Poly6's initiatives to develop internal capability for producing 3D-printed sand cores for advanced casting processes. This role combines deep expertise in binder jetting processes, strong communication and collaboration skills, and a hands-on approach to technical problem solving. The ideal candidate thrives as a high-impact individual contributor capable of interfacing across engineering, customers, and leadership.

PRIMARY RESPONSIBILITIES

• Lead technical establishment of in-house 3D sand printing capability on ExOne and Voxeljet equipment.
• Build and maintain should-cost models for 3D-printed sand cores
• Work with OEM engineers and product teams to convert build specifications for 3D-printed sand core suppliers.
• Lead sand core design modification, reducing part count and assembly labor for downstream foundry processes.
• Conduct technical trials to optimize binder jetting parameters for silica-based sands.
• Present technical findings to customers and executive audiences with clear, effective communication.
• Document processes, technical learnings, and best practices to ensure knowledge capture and transfer.
• Serve as the technical subject matter expert for both Poly6 and CPP in binder jetting of sand cores.

QUALIFICATIONS

• Education: Bachelor's degree in mechanical engineering, Materials Science, Manufacturing Engineering, or similar field. Master's degree preferred, or equivalent work experience for candidates with a high degree of field specific experience.
• Experience: 8+ years of experience in binder jetting additive manufacturing, (ExOne and Voxeljet sand printing applications) or related applicable experience preferred.
• Working knowledge of CAD (e.g., SolidWorks), slicing/printing software (e.g., ExOne or Voxeljet platforms), and data tools (e.g., Excel, Python, or Minitab).
• Other Required Knowledge, Skills, and Abilities:
  
  • Proven understanding of sand-casting processes and casting design principles.
  • Skilled in cost modeling and economic analysis for manufacturing processes.
  • Strong interpersonal and presentation skills suitable for engaging technical and non-technical audiences.
  • Familiarity with phenolic and furan resin systems for sand printing.
  • Experience in defense or aerospace casting programs.
  • Understanding of ITAR/EAR regulations and aerospace part qualification standards.

WORKING ENVIRONMENT

• Working Environment: Office environment & manufacturing shop floor
• Required PPE: Check for required PPE in areas you may be working in
• Travel Requirements: 10-15% for supplier interactions, customer meetings, or technology transfer.
• Safety Toed Shoes/Boots: Required
• Safety Glasses: Required

This is a full time position