Experienced CNC Operator; 2nd Shift

Tri‑Mack is a leading manufacturer of high‑temperature thermoplastic components for the aerospace‑defense, semiconductor, energy, and medical industries. We are committed to meeting customer requirements through our ISO 9001/AS9100 quality management system.

Important Notice:
Applicants are required to pass a criminal background check. This position involves access to data subject to International Traffic in Arms Regulations (ITAR). Applicants must be authorized to work for any employer in the U.S.

This experienced CNC Operator position uses Tri‑Mack's CNC and manual machining equipment to produce tight tolerance parts using pre‑defined programs, tools, and work that has already been loaded into the machine. A Level 2 CNC Machinist requires a good working background in manufacturing and independently operates a variety of parts within their department. This Machinist can operate the more complicated parts in the department, run multiple machines at once and complete some set‑ups independently.

• Operate CNC machines to specifications and hold tight tolerances. May run more than one CNC 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 preventative maintenance tasks and document per the relevant work instruction.
• Keep work station clean and organized.
• 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
• Conduct yourself in an ethical and professional manner and always follow Tri‑Mack:
  Respect, Teamwork, Integrity, Accountability and Durability.
• Adhere to all AS9100 requirements as specified in work instructions and by your supervisor.
• All other duties assigned.

Date Posted:
May 22, 2026

Schedule:

Night Shift

Job Type: Full‑Time

• High School diploma or general education degree (GED).
• Minimum of 2 years of experience on CNC milling and/or lathes machines is required.
• Experience in some set‑up and/or program edits is preferred.
• Understanding of blueprints and some GD&T is 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 tools, such as manual micrometers and calipers, up to 0.0001 inch.
• Basic computer skills.
• Ability to show up to work on time, get along with co‑workers and support others as needed.

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

* Tri‑Mack Plastics provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status or genetic information. Tri‑Mack is a drug‑free work environment. Pre‑employment drug screening (excludes THC) and background checks are required.