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NC Programmer - CATIA

Job in Garden Grove, Orange County, California, 92641, USA
Listing for: ALIGN PRECISION
Full Time position
Listed on 2026-08-17
Job specializations:
  • Engineering
    Mechanical Engineer, Manufacturing Engineer, Aerospace / Aviation / Avionics
Salary/Wage Range or Industry Benchmark: 95000 - 150000 USD Yearly USD 95000.00 150000.00 YEAR
Job Description & How to Apply Below

When you work at ALIGN PREISION you are joining a team that takes pride in delivering precision solutions for leading aerospace, defense, semiconductor, and high-tech industry OEMs. We are seeking an experienced CATIA Programmer to develop CNC programs for large-scale aerostructure components machined on multi-axis gantry mills. This role is responsible for translating CATIA V5 design models into machinable toolpaths for complex, close-tolerance structures used in aerospace and defense platforms.

The ideal candidate has strong CATIA modeling/surfacing skills combined with hands‑on programming experience on large‑envelope gantry machines. If you are looking to join a Company whose employees thrive through continual learning and mentoring from apprenticeship to leadership and are proud of the important work we do, this position is for you!

Key Responsibilities
  • Develop, test, and optimize 3-, 4-, and 5-axis CNC programs using CATIA V5 (Prismatic/Surface Machining, Advanced Machining workbenches) for large gantry-style machining centers
  • Program complex aerostructure components including monolithic wing skins, spars, ribs, and large sheet metal detail parts directly from CATIA design models and engineering drawings
  • Build and maintain manufacturing models, stock definitions, fixture assemblies, and tooling libraries within CATIA
  • Optimize toolpaths for material removal rates, cycle time, tool life, and surface finish while managing part deflection and thin‑wall stability on large structures
  • Select appropriate cutting tools, feeds, speeds, and work‑holding strategies for aluminum, titanium, and composite materials
  • Collaborate with manufacturing engineering, tooling, and quality teams to ensure programs meet GD&T requirements and first‑article inspection standards
  • Perform program verification and simulation (e.g., Vericut, CATIA NC simulation) to eliminate collisions, gouges, and fixture interference prior to machine floor deployment
  • Support first‑article setup and provide on‑machine troubleshooting, including program edits and offset adjustments
  • Post‑process CATIA toolpaths and troubleshoot post‑processor output for specific gantry machine controllers
  • Maintain and update program documentation, setup sheets, and tool lists in accordance with AS9100 and customer quality requirements
  • Support continuous improvement initiatives to reduce cycle times and improve process capability on large‑format work
  • Participate in DFM (Design for Manufacturability) reviews for new aerostructure programs, providing manufacturing input on CATIA design models
  • Regular, reliable attendance and punctuality are essential functions of the role.
Required Qualifications
  • 5+ years of CNC programming experience using CATIA V5 (Manufacturing/Machining workbenches), with a focus on large-part or aerostructure machining
  • Demonstrated experience programming multi‑axis gantry or large‑envelope machining centers
  • Strong proficiency with CATIA V5 surfacing and part design modules in addition to manufacturing modules
  • Strong understanding of aerospace materials (aluminum alloys, titanium) and their machining characteristics
  • Proficiency reading and interpreting complex engineering drawings, GD&T, and 3D models
  • Experience with toolpath simulation/verification software (Vericut or equivalent)
  • Working knowledge of work‑holding and fixturing strategies for large, flexible parts
  • Familiarity with post‑processor logic and the ability to troubleshoot post output
  • Strong understanding of AS9100 and aerospace quality documentation requirements
  • Must be able to obtain and maintain any required government clearances/authorizations (ITAR compliance)
Preferred Qualifications
  • Experience programming 5‑axis simultaneous machining on large gantry platforms
  • Familiarity with PLM/PDM systems (ENOVIA, Windchill, or similar) for CATIA model management
  • Experience with composite trimming/drilling programs in addition to metallic structures
  • Prior experience in a defense or commercial aerospace structures manufacturing environment
  • Cross‑training or working knowledge of Mastercam or other CAM systems
  • Lean Manufacturing / Six Sigma exposure
  • Associate's or Bachelor's degree in Manufacturing, Mechanical…
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