

For 35 years, STI has worked with the construction industry to create simple solutions to complex firestopping problems.
Key responsibilities include setting up and overseeing molding machines and auxiliary equipment, adjusting pressure, temperature, and cycle times, and optimizing the process for efficiency and quality. The operator also performs quality inspections, initiates corrective actions when necessary, and ensures the work area remains clean and safe.
Candidates must have a high‑school diploma or equivalent; prior machine‑operator experience is preferred. Required skills include the ability to lift up to 50 lb regularly, stand for long periods, follow written and verbal instructions, and demonstrate meticulous attention to detail, dependability, punctuality, and teamwork.
This full‑time, experienced‑level position is located in Burlington Township, New Jersey (ZIP 08016) and offers an hourly wage of $16.00 to $18.00. The role requires a high‑school education, involves day shifts with a 10‑hour schedule Monday through Thursday, and does not include travel.
STI offers paid time off, company holidays, vacation and sick leave, comprehensive medical, dental, and vision insurance, and a 401(k) retirement plan with employer contributions. The company is an equal‑opportunity employer and does not sponsor visas or H‑1B transfers; applicants must be authorized to work in the United States.
For over 30 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems. Our SpecSeal® and EZ Path® product lines are engineered to deliver powerful performance. Because our system designs are user-driven, they are easier to apply. The result is simply designed, outstanding fire protection systems which often result in lower installed costs. STI products and systems offer innovative firestop solutions for all types of new construction and retrofit applications. Since firestopping is our only business, we concentrate all our resources on providing the highest quality, fully tested, innovative firestopping solutions.