Quality Engineer - Plastics

Alterra Holdings is a fast-growing manufacturing company specializing in advanced plastics compounding, with a core focus on thermoplastic vulcanizates (TPVs), elastomers, and biopolymers. The company provides end-to-end solutions from R&D and formulation development to full-scale, high-volume production, supported by state-of-the-art twin-screw extrusion lines and an ISO-certified testing laboratory.

With operations centered in the United States, Alterra serves a range of industries by delivering customized material solutions designed for performance, sustainability, and innovation. The company emphasizes manufacturing excellence, operating multiple production lines in a high-throughput environment while maintaining strict quality and compliance standards.

In addition to its core compounding capabilities, Alterra integrates advanced technologies such as AI-driven process monitoring and IoT-enabled systems to optimize production, improve material consistency, and reduce waste, positioning itself as a forward-looking player in modern polymer manufacturing.

Role Description

This is a full-time, on-site role for a Quality Engineer located in Seymour, IN. The Quality Engineer will lead quality assurance efforts to ensure manufacturing processes meet standards and regulatory requirements. Day-to-day responsibilities include performing quality control inspections, implementing quality management systems, analyzing product quality data, and collaborating with cross-functional teams to enhance production processes. The ideal candidate will play a vital role in maintaining high-quality standards and driving continuous improvement initiatives.

Qualifications

• Bachelor’s degree in Chemical, Mechanical, Polymer Engineering, or a related technical field from an accredited university
• 0–3 years of experience as a Quality Engineer in a manufacturing environment; plastics or polymer processing experience preferred
• Proven experience managing Quality Management Systems (QMS), including ownership of documentation, compliance, and training of cross-functional teams
• Strong working knowledge of regulatory and quality standards, including ISO 9001, ISO 17025, GMP, and EH&S audits
• Hands-on experience conducting internal and external audits and supporting compliance initiatives
• Strong technical expertise in analytical and physical testing methods, including MFI, Flexural, Tensile, FTIR, and NIR
• Ability to generate, maintain, and report quality documentation with high accuracy and organization
• Proficiency in core Six Sigma and problem-solving methodologies, including RCA, 8D, CAPA, and PPAP
• Experience with quality engineering tools such as Gage R&R, Round Robin studies, SPC, and MSA

Preferred Qualifications

• Experience in plastics manufacturing, compounding, extrusion, or injection molding.
• Certified Quality Engineer (CQE) certification from an accredited institution
• ISO 9001, GMP, and EH&S internal auditor certifications

"Annual base salary range for this role is between $70K to $100K"