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Arena Family of Companies

CNC Setup Lead Machinist (Aerospace & Defense)

Arena Family of Companies, Phoenix

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Join a precision manufacturing organization with over 25 years of experience supplying high-quality machined and fabricated components to the aerospace, defense, mining, and commercial sectors. The facility features state-of-the-art capabilities, including CNC machining, laser tube processing, sheet-metal fabrication, welding, kitting, and assembly, all maintained under ISO 9001 and AS9100D certifications.

You’ll be part of a culture built on safety, teamwork, innovation, and continuous improvement, where employees are encouraged to reach their full potential. This is an opportunity to work in a dynamic, technology-driven environment where craftsmanship is valued, technical excellence is celebrated, and every day brings a new challenge.

Why This Role?

  • Competitive Compensation: Offering competitive pay for top machining professionals.
  • Comprehensive Benefits Package: Includes medical, dental, vision, 401(k), and performance-based bonuses.
  • Generous PTO: Paid holidays, vacation time, and personal days to support work-life balance.
  • Quarterly Bonus Program: Performance-based bonuses are distributed quarterly.
  • Profit Sharing: A Structured program that rewards employees.
  • State-of-the-Art Technology: Work with cutting-edge equipment in a modern facility focused on the future of precision manufacturing.
  • Team-Building Culture: Annual company-sponsored events that foster collaboration, strengthen relationships, and boost morale.
  • Engaging Work: 90% of parts are new, expect constant variety, complexity, and opportunities to problem-solve.
  • Trusted Aerospace Supplier: Proudly serving major primes and Tier 1 defense and space contractors.
  • Modern Tools & Technology: Access to cutting-edge systems and equipment that drive quality and efficiency.
  • Inclusive, Tight-Knit Team: Family-oriented and diverse culture where every voice is valued and teamwork is celebrated.
  • Community-Oriented: Actively engaged in local initiatives, sustainability efforts, and annual company-wide events to foster pride and connection.

What You’ll Do:

  • Lead and execute complex setups for 5th-axis mills and live tool lathes, leveraging your extensive floor experience.
  • Ensure precision machining operations meet strict quality standards for aerospace, defense, and commercial manufacturing projects.
  • Interpret engineering drawings, blueprints, and GD&T to accurately program and operate mill-turn and live tooling equipment.
  • Collaborate with teams using ERP and MRP systems to optimize production flow and meet schedule targets.
  • Support continuous improvement efforts by applying industry standards (AS9100-D, ISO9001) and lean manufacturing or Six Sigma principles.

What You Bring:

  • At least 10 years of hands-on floor experience with complex 5-axis and live tool lathe setups.
  • Strong background in precision machining within aerospace, defense, or commercial manufacturing industries.
  • Proficiency in reading and interpreting engineering drawings, blueprints, and GD&T.
  • CNC programming experience is a plus, especially with 3D machining techniques.
  • Familiarity with ERP and MRP systems for shop floor management.
  • Mill-turn machining expertise, particularly with live tooling equipment.
  • Preferred experience with Okuma and Haas VF2/VF4 machines, plus CAD/CAM proficiency (SolidWorks, Mastercam).
  • Knowledge of lean manufacturing or Six Sigma methodologies is a bonus.