CNC Senior Set-up Programmer/Machinist

MAC Incorporated; Carson (CA); On-site; USD 55,104 - 68,880; Full time

Job summary

MAC Incorporated in Carson, CA seeks an experienced CNC Senior Set-up Programmer/Machinist to join the aerospace manufacturing team. The role focuses on multi-axis CNC lathe/mill operations with MasterCAM programming and first article support; on-site production is essential.

You will develop routing, select tooling, and train operators while ensuring AS9100 compliance and ITAR requirements. Candidates should have 7+ years in aerospace CNC, strong GD&T, and familiarity with Fanuc/HAAS/DMG

Qualifications

• 7+ years of aerospace CNC machining experience.
• Proficiency with MasterCAM (lathe, mill, multi-axis).
• Strong G-code, GD&T, blueprint reading, aerospace tolerancing.
• Experience in AS9100/AS9102 environments.
• Familiarity with aerospace alloys (titanium, Inconel, aluminum).
• ITAR compliance, U.S. person status.
• Residency within 25 miles of Carson, CA.

Responsibilities

• Set up CNC mill and lathe operations from blueprints.
• Perform first article programming, setups, dry runs, and edits.
• Conduct in-process inspections during runs.
• Train operators on setup sheets, fixturing, and safety.
• Identify optimal tooling and fixtures.
• Use MasterCAM to generate G-code from models.

Skills

MasterCAM

G-code

GD&T

AS9100

ITAR

5-axis milling

Fanuc

HAAS

DMG

Aerospace CNC machining

Tools

Fanuc

HAAS

DMG

Job description

CNC Senior Set-up Programmer/Machinist Carson, California Job Ref: 41415

CNC Senior Set-up Programmer/Machinist
Reports to Operations Manager
Salary: DOE, $40-50/hr

We are seeking an experienced, detail-orientedCNC Set-up Programmer/Machinist to join theManufacturingteamof our aerospace and defense manufacturing facility. This role emphasizes the CNC Mill and Lathe machinist background but is also an opportunity for an individual to build their career as a high-value Senior Machinist assisting with improving company operations. This role is critical to the front-end acceptance of client requests and implementation of machined part production, router development and first article execution. Ideal candidates will bring experience in both precisionCNC Set-up and machining principles. As well as proven proficiency in MasterCAM programming. This candidate will aid launching new parts into production efficiently and compliantly. Proficiency in set-up and operations of multi-axis (lathes, mills and mill-turn) CNC machines is required. This is a 100% on-site position.

Opportunity
Company is a contract manufacturer experiencing strong demand growth which they expect to continue for several years. This position offers an awesome opportunity for career development and progressive earning power.

Key Responsibilities:

CNC Programming & Setup

• Working largely with new customer requests, set-up CNC milland lathe operationsbased on customer blueprints and 3D models.
• Perform first article programming, setups, dry runs, and edits to validate program accuracy and efficiency.
• Conduct in-process inspections to verify dimensions during first article production runs.
• Capable of training machine operators on setup sheets, fixturing, and safe operation of new programs.
• Capable of identifying ideal cutter selection and fixtures
• Capable of utilizing MasterCAM to create G-code programs from model based definitions and blueprints for machining operations.

Senior Machinist

• Develop/Updatemanufacturing router sequences, Bill of Materials, and Work Centers for new and existing product lines, determining estimated setup and cycle times to aid in maintaining an accurate ERP system.
• Select tooling, fixturing, and machine allocation based on material and part geometry for the fabrication of machined parts using 2 to 4-axis lathes; 3 and 4 axis horizontal and vertical mills; as well as 5 axis mills and conventional machining equipment
• Collaborate Production and Quality teams to ensure DFM (Design for Manufacturability) ensures the most efficient manufacturing methods and techniques. AS9100 compliance.
• Organize the machine shop, priorities and workflow to meet customer requirements.

Required Qualifications:

• 7+ years of experience in aerospace CNC machining, with demonstrated expertise in CNC setup of mills, lathes and mill-turn CNC machines.
• Proficiency with MasterCam (lathe, mill and multi-axis) is required.
• Deep understanding of G-code, GD&T, blueprint reading, and aerospace tolerancing.
• Experience working in AS9100/AS9102-regulated environments.
• Familiarity with various aerospace alloys (e.g., titanium, Inconel, stainless steel, aluminum).
• This position requires use of information which is subject to the International Traffic in Arms Regulations (ITAR). All applicants must be U.S. persons within the meaning of ITAR. ITAR defines a U.S. person as a U.S. Citizen, U.S. Permanent Resident (i.e., 'Green Card Holder'), Political Asylee, or Refugee.
• Must live within 25 miles of Carson, CA

Preferred Qualifications:

• Experience in a "Make-to-Blueprint" job shop environment.
• Experience with Fanuc, HAAS and DMG controllers.
• Experience and understanding of Master Routers (i.e. "Item Masters", which require a Bill of Materials and Routing sequences for CNC operations) and/or the willingness/ability to learn.
• First article inspection (FAI) process experience per AS9102.
• Lean or Six Sigma training is a plus.
• Availability for 1st and OT when required.

Key Competencies:

• Strong mechanical aptitude and machining knowledge
• Ownership mindset and initiative in problem-solving
• Ability to work cross-functionally with quality, operations, and sales teams
• Attention to detail in both planning and execution
• Clear, concise technical communication skills (verbal and written)

Why Join Us:

• Be a strategic part of launching mission-critical aerospace components
• Hands-on environment with autonomy and impact
• Competitive compensation and benefits package (We Reward Talent)
• Fast-paced, growth-oriented company with a strong industry reputation