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Metal Welding


Since its inception in 1969, Sonics & Materials, Inc. has enjoyed over 5 decades of world leadership in the fields of liquid processing and ultrasonic welding, sealing and cutting technology. The company is ISO 9001:2015 certified by DQS Inc. and is consistently in the vanguard of industry innovators.

The company’s president and founder, Robert Soloff, was awarded the first of 13 patents for discovering the ultrasonic method for welding rigid thermoplastic parts. At Sonics he fosters an environment of creative innovation that has lead to an additional 18 company patents, with 3 more currently pending.

Sonics’ corporate headquarters is located in Newtown, CT where a state-of-the-art machine shop, custom-built applications lab, and comprehensive sales office support a worldwide network of distributors and representatives.

Sonics is an equal opportunity employer, offering a full benefits program along with profit sharing and 401K plans.

Current job openings, if available, are listed below with accompanying information. We also accept resumes directly at careers@sonics.com.

At present, we are also accepting applications for engineers and technical sales. Please be sure to include your contact information. Please understand that due to the volume of mail received, not all submissions will receive a response.

Thank you for your interest.

Experienced Machinist

We are currently looking for applicants with the following skill sets to join our Machinist team:

  • Independently set up and operate various CNC and manual machine tools such as lathes and milling machines.
  • General machining knowledge and capable of verifying the quality of close tolerance work.
  • Able to manufacture production parts from drawings as well as some verbal instructions.
  • Minimum five years experience and required to have own tools.
  • Possess a positive attitude and promote a team approach.
Apply Now

Entry Level Machinist

· Trade school education or equivalent

· Good mechanical abilities

· Willingness to learn (potential advancement based on performance and skills acquired)

· Hands-on experience and/or your own tools are a plus

· Dependability and punctuality a must

Apply Now