Manufacturing Engineer - Aerospace 3D Printing

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.

Job Summary

Reporting to the Operations Manager, the Manufacturing Engineer leads the material selection, characterization, and performance validation within a manufacturing environment. The ideal candidate will work cross-functionally to ensure materials meet design and application requirements while aligning with compliance, quality, and cost targets. This position requires a a knowledgeable, detail-oriented and strong working knowledge of upstream and downstream manufacturing equipment, processes, and operations with strong investigational and root cause analysis skills.

Essential Job Responsibilities

• Support product development and engineering teams with material feasibility and compatibility analysis.
• Perform material characterization and validation testing, including tensile, hardness, fatigue, thermal stability, and corrosion resistance.
• Investigate material-related failures and non-conformances through root cause analysis and provide corrective material recommendations.
• Evaluate alternative or substitute materials for cost reduction, supply chain flexibility, or sustainability goals.
• Maintain and update material specification documents, compliance certifications (e.g., RoHS, REACH), and Safety Data Sheets (SDS/MSDS).
• Liaise with suppliers on material specifications, certifications, and quality issues; support incoming material qualification.
• Maintain and manage material testing databases and support internal audits or external certifications as needed.
• Provide technical expertise during design reviews, supplier evaluations, and customer interface regarding material concerns.
• Stay current on material science advancements, regulatory changes, and emerging technologies.
• Maintain adherence to 6S standards by ensuring quality inspection areas are clean, organized, and compliant with safety and operational procedures.
• Work cross functionally to perform ad-hoc duties as assigned to promote a culture of teamwork and efficiency.
• Occasional domestic travel up to 5-10% to support company scaling operations within the US.
  
  

Qualifications:

• Must be a U.S. Person as defined by U.S. export control laws (U.S. citizen, lawful permanent resident, refugee, or asylee) to comply with applicable government regulations including the International Traffic in Arms Regulations (ITAR).
• Bachelor’s degree in Manufacturing Engineering or related field or equivalent work experience. Master’s degree preferred.
• 2 years of experience in a materials-focused role in a high volume, controlled manufacturing environment, focus on working with ceramic materials preferred.
• Working knowledge of Six Sigma principles, with direct involvement in one or more material-focused improvement projects preferred.
• Demonstrated ability to initiate material quality improvement and control using SPC (Statistical Process Control) and DOE (Design of Experiments) methodologies.
• Proficiency in data analysis software, such as Minitab and/or JMP, and advanced Microsoft Excel skills (e.g., pivot tables, statistical tools).
• Hands-on experience with material characterization and failure analysis tools, including SEM/EDS, FTIR, tensile and hardness testing, and microscopy.
  
  

Knowledge, Skills And Abilities

• Ability to work individually and in a team environment to achieve company deadlines efficiently.
• Proven success in statistical analysis to identify process and product variations with complex and highly variable process parameters.
• Experience with control plans and data collection systems for reporting and process monitoring.
• Proficiency with materials standards and regulatory compliance (e.g., ASTM, ISO, RoHS, REACH, and SDS documentation).
• Strong communication and collaboration skills to interface with cross-functional teams and external suppliers on material-related topics.
• Ability to interpret and apply technical documentation, including material specifications, standard operating procedures (SOPs), safety protocols, and process work instructions.
• Strong quantitative skills with the ability to analyze test data, calculate tolerances, and interpret measurement results using standard engineering units and statistical tools.
• Advanced experience with Microsoft Office Suite products, and experience operating, maintaining, and optimizing additive manufacturing processes including software, CAD models, and other tools
• Ability to work extended periods of time using a computer screen and occasional travel up and down stairwells.
  
  

Benefits include:

• Bonus program eligibility
• Comprehensive medical, dental, and vision insurance
• 401(k) with company match
• Paid time off and holidays
• Company-paid life insurance
• Professional development opportunities
  
  

Compensation: $85,000 to $150,000 per year, depending on experience and qualifications.

Candidates must pass pre-employment background check and drug test prior to employment.

This position requires access to information protected under U.S. export control laws, including the International Traffic in Arms Regulations and/or the Export Administration Regulations. Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these US export laws without sponsorship for an export license.

This position may involve work in laboratory or production areas where flammable liquids, corrosive substances, or dusts (including silica-containing materials) are present in controlled environments. Appropriate personal protective equipment (PPE) and training are provided. Respirator use may be required; employees must be able to complete medical clearance and fit testing.

Poly6 is an equal opportunity employer. We do not discriminate based on age, color, genetic information, religion, sex, veteran status, or national origin. If you require a reasonable accommodation to complete the application or interview process, please contact Laura Tambone, at 339-234-9338, or Poly6-HumanResources@poly6.com in accordance with the Americans with Disabilities Act (ADA).

This job description is intended to describe the general nature and level of work performed. It is not intended to be an exhaustive list of all responsibilities, duties, and skills required. Management reserves the right to modify, add, or remove duties and to assign other duties as necessary. The company may revise the job description at any time in response to business needs.

This is a non-management position

This is a full time position