CNC 5-Axis Mill Operator

CNC 5-Axis Mill Operator

Trio Manufacturing | El Segundo, CA (Relocating to Carson, CA)

A RARE OPPORTUNITY AT A PIVOTAL MOMENT

Trio Manufacturing is in the middle of one of the most exciting chapters in our company's history. We're expanding from our current 40,000 sq ft facility in El Segundo to a 130,000 sq ft world-class manufacturing facility in Carson — and we're building the team that will take us there.

For the right operator, this isn't just a job offer. It's an invitation to be part of something that doesn't come around often: a growing precision defense manufacturer with the momentum, the work, and the space to let talented people truly shine.

ABOUT TRIO

Trio is a high-precision manufacturing company specializing in defense and the most technically demanding components in Southern California. We work where the tolerances are tight, the stakes are high, and the craftsmanship has to be flawless. If you take pride in your work, you'll fit right in.

POSITION SUMMARY

We are seeking an experienced CNC 5-Axis Mill Operator to join our team. In this role, you will machine precision components from billet, castings, and forgings, operating with skill and confidence while upholding Trio's commitment to quality and precision.

RESPONSIBILITIES

• Operate 5-Axis CNC milling machines and machining centers to produce high-precision components

• Read and interpret blueprints, GD&T, technical drawings, and specifications

• Set up and secure fixtures, cutting tools, and work holding equipment

• Monitor machine performance and identify out-of-tolerance conditions before they become problems

• Perform routine machine maintenance including oil levels, coolant levels, and general cleanliness

• Verify finished parts against specifications and complete all required documentation

• Communicate and collaborate with department leads and setup personnel to resolve machining challenges

• Apply knowledge of G/M codes, tool geometry, and basic speed/feed calculations

• Safely handle parts up to 50 lbs; utilize overhead cranes as required

QUALIFICATIONS

• 2–5 years of CNC machining experience; 5-axis experience preferred

• Proficient in blueprint reading and GD&T interpretation

• Working knowledge of G-code/M-code fundamentals and basic trigonometry

• Familiarity with standard machine shop equipment and precision measuring tools

• High school diploma or equivalent required

• Strong verbal communication skills and a collaborative, team-oriented mindset

• Must be able to read and write in English

WHY JOIN TRIO NOW

We're not at the finish line — we're at the starting gun of our next phase. Our move to a 130,000 sq ft facility in Carson represents a massive leap in our capacity, our capabilities, and our commitment to becoming the premier precision defense manufacturer in Southern California.

The people who join us today will have the opportunity to grow into leadership, influence how we scale, and leave a lasting fingerprint on a company that's making its mark in the defense manufacturing world.

Come build with us!