Chemical/Materials Engineer
About The Position
We’re seeking a Chemical / Materials Engineer – Sealants & Firestop to support the development, qualification, and ongoing production of STI’s sealant portfolio. This role acts as a technical link between Engineering, Quality, suppliers, and toll manufacturers to ensure products remain compliant, manufacturable, and consistent in performance. The position focuses on practical execution, supporting day-to-day needs across EHS, materials, and manufacturing coordination. This is a hybrid role based at our Burlington or Somerville, NJ locations, with an expectation of four days per week in the office; candidates may work from the location closest to them.
Requirements
- Bachelor’s degree in chemical engineering, Materials Science, Polymer Science, or related field
- 3–5 years experience in sealants, adhesives, coatings, or construction materials
- Experience supporting manufacturing or tolling environments
- Working knowledge of sealants, polymers, or similar materials
- Understanding product testing and performance characteristics
- Strong problem-solving skills across materials, manufacturing, and applications
- Practical, hands-on mindset focused on execution
- Ability to work cross-functionally with Engineering, QA, Supply Chain, and external partners
- Clear communication of technical issues and solutions
- Ability to manage multiple priorities and respond quickly to business needs
- Strong organizational skills and attention to detail
- Candidates must be legally authorized to work in the United States at the time of application and not require sponsorship now or in the future.
Nice To Haves
- Familiarity with SDS/regulatory requirements preferred
- Experience in product development, testing, or quality support preferred
- Familiarity with regulatory and compliance requirements
Responsibilities
- Provide day-to-day technical support for sealant products.
- Support Engineering Services requests with timely responses.
- Assist in troubleshooting field and product-related issues.
- Support SDS creation, updates, and global compliance requirements.
- Assist with RoHS, REACH, Prop 65, and WHMIS requirements.
- Support ISO-related EHS processes and documentation.
- Leverage supplier data to maintain efficient and audit-ready documentation.
- Evaluate raw materials for performance, compliance, and compatibility.
- Support material substitutions and obsolescence mitigation.
- Interface with chemical suppliers on technical questions and documentation.
- Act as technical contact for toll manufacturers (e.g., Bostik).
- Support scale-up, batch issues, and process troubleshooting.
- Coordinate implementation of formulation and specification changes.
- Align lab, quality, and production expectations.
- Support testing activities (viscosity, physical properties, performance).
- Assist with NCRs, CAPAs, and root cause investigations.
- Review and interpret test data to support product decisions.
- Maintain practical, audit-ready technical documentation.
- Support development of risk registers and SOPs.
- Ensure processes reflect actual practice and avoid over-documentation.
Benefits
- Medical insurance options
- Dental and vision plans
- 401(k) Retirement Plan with employer contributions
- Company-Paid Life Insurance
- Company-paid holidays
- Vacation time
- Floating time
- Sick time
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
