Job Description

About Proponent:

Proponent is the world’s largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in helping keep thousands of aircraft flying safely and efficiently every day. For over 50 years, we’ve built the systems, relationships, and expertise that aviation relies on, from responsive quoting and on-time shipments to data-driven improvements that reduce turnaround time and cost. As a 100% employee-owned company, everyone at Proponent is an owner, which means we share responsibility for our success, look out for one another, and bring dedication and creativity to aviation logistics. Guided by our core values, empathy, intelligence, agility and integrity, we work as a trusted partner to keep aircraft in service and customers moving forward. At Proponent, you’ll join a global team committed to doing things right and supporting each other, helping keep aircraft flying and the world connected.

Mill Machinist- 2nd Shift

Job Location: Brea, CA

Job Summary:

The Mill Machinist II, more commonly known as a CNC Mill Set Up/Programmer/Operator, is responsible to write programming and perform set-up of computer numerically controlled milling machines, planning for appropriate sequencing and tooling requirements, to ensure the timely and quality productions of aviation parts and various precision components. S/he reads and interprets blueprints, planning sheets, sketches and related technical data to determine tooling requirements, setup procedures, control settings, and machining methods as per the required sequence and dimensions. S/he tests programs and creates samples and blueprinted parts to ensure the desired dimensions and quality of finished jobs before beginning production activities or transferring responsibility of part production to other mill operators. The Mill Machinist is responsible to perform the set-up of Milling machines with the appropriate programs and tooling in place in preparation for production. S/he also operates the Mill and manufactures parts, proactively inspecting his or her own worn and finished products against established standards. S/he completes appropriate paperwork and log-ins for each job as well as securing inspection approvals.

Requirements for Success:

High School Diploma
1+ yr CNC Mill set up and operation.
Prior programming experience with aviation parts preferred.
Proficient with Shoptech E2 or similar manufacturing ERP
Proficient with CNC Vertical Milling Centers (preferably HAAS).
Experience with a variety of shop tools, equipment and machinery.
Must be able to read and understand technical data, quality procedures, mechanical drawings, blueprints, and policies.

Benefits and Perks of joining the team:

Medical, Dental, and Vision plan options
Employee Stock Ownership Plan
401k Plan
Vacation, Sick, and Holidays
Good work-life balance
WFH Hybrid available for most positions

Proponent, Inc

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