Jobs and Careers
TR

Experienced CNC Machinist (2nd Shift)

Tri-Mack Plastics
United Statesfull_timeVerifiedPosted 17 Nov 2025

About the role

Located in Bristol, Rhode Island for 50 years, Tri-Mack is a leading manufacturer of high-temperature thermoplastic and metal components for the aerospace-defense, semiconductor, energy and medical industries. 
Our broad capabilities include collaborative engineering, tool making, injection molding, thermoplastic composite processing, multi-axis CNC machining, bonding and assembly, testing and quality control - all within a modern, environmentally controlled 60,000 sq. ft. facility. 
Our culture is based on values that promote respect, teamwork and accountability and we are committed to meeting customer requirements through our ISO 9001/AS9100 quality management system. 

PLEASE NOTE - Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.

Position:  Experienced CNC Machinist (2nd shift)

Summary: 
This position uses Tri-Mack's CNC and manual machining equipment to produce tight tolerance plastic and metal parts using pre-defined programs, tools, and work holding that have already been loaded into the machine. It requires a good working background in manufacturing and the ability to independently operate a variety of machines within their department, producing the more complicated parts, running multiple machines at once and completing some set-ups independently.

Responsibilities & Accountabilities:

  • Operate CNC machines to tight tolerances and specifications; may run more than one machine at a time.
  • Identify critical dimensions and independently measure parts with minimal guidance.
  • Complete all documentation accurately each shift.
  • Troubleshoot problems.  Identify dull tools and inserts for static tooling and replace as necessary.
  • Make offsets involving multiple datum systems. 
  • Verify raw material documentation and match picklists to maintain lot traceability.
  • Execute and document preventative maintenance tasks per relevant work instructions.
  • Keep work station clean and organized.
  • Actively pursue opportunities to develop new skills within the department and across departmental lines.
  • Work in a manner that ensures your own safety and the safety of your co-workers, always use correct PPE, and never run a machine without proper guarding.
  • Conduct yourself in an ethical and professional manner and demonstrate Tri-Mack’s Values:

                Respect, Teamwork, Integrity, Accountability and Durability

  • Adhere to all AS9100 requirements as specified in work instructions and by your supervisor.
  • All other duties assigned, including deburring and assembly.


Education, Skills & Experience:

  • High School diploma or general education degree (GED).
  • Minimum of 2 years of experience on CNC milling and/or lathe machines required.
  • Experience in some set-up and/or program edits preferred.
  • Understanding of blueprints and some GD&T required.
  • Physical ability to stand, bend, sit and lift up to 40 pounds for 8 to 12 hours per day.
  • General math knowledge and ability to calculate and solve certain geometric problems.
  • Ability to use and understand all measuring tool; Basic computer skills.
  • Show up on time, work your scheduled hours, get along with co-workers and support others as needed.


Our Benefits:
We offer competitive salaries and generous benefits, including:

  • 40 hour week, Monday-Thursday, overtime available
  • $3.00 / hour 2nd Shift pay differential
  • Generous Medical, Life, Dental and Vision Insurance programs

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Tri-Mack Plastics

View company profile →