CNC Manufacturing Engineer

Salary: Up to $95,000

Location: West Chicago Suburbs


Job Summary:

We are seeking a CNC Manufacturing Engineer to optimize machining processes, improve production efficiency, and ensure high-quality output in a CNC machining environment. This role will focus on process development, tooling selection, and continuous improvement for CNC machining operations, working closely with production, quality, and design teams.


Key Responsibilities:

  • Develop, optimize, and implement CNC machining processes to improve efficiency, quality, and cost-effectiveness.
  • Program, troubleshoot, and optimize CNC machines (mills, lathes, multi-axis machines, etc.) using G-code, CAM software (Mastercam, GibbsCAM, Fusion 360, etc.), and CNC controllers.
  • Select and evaluate tooling, fixtures, and cutting parameters to maximize productivity and tool life.
  • Conduct process validations, first article inspections (FAI), and production part approval processes (PPAP) to ensure compliance with specifications.
  • Utilize Lean Manufacturing, Six Sigma, and continuous improvement methodologies to reduce cycle time, scrap, and machine downtime.
  • Work with design and quality teams to ensure manufacturability and adherence to GD&T (Geometric Dimensioning & Tolerancing) and engineering specifications.
  • Troubleshoot and resolve machining, tooling, and production issues to maintain a smooth workflow.
  • Provide technical support and training to machine operators and production staff to ensure proper setup and operation of CNC equipment.
  • Collaborate with suppliers and vendors on tooling, material selection, and new process technologies.
  • Maintain detailed documentation, including work instructions, standard operating procedures (SOPs), and process control plans.


Qualifications & Skills:

  • Bachelor’s degree in Manufacturing Engineering, Mechanical Engineering, or a related field (or equivalent work experience).
  • 3+ years of experience in CNC programming, machining, and manufacturing process development.
  • Proficiency in CNC programming languages (G-code, M-code) and CAM software (Mastercam, GibbsCAM, Siemens NX, etc.).
  • Strong knowledge of machining principles, metal cutting, tool selection, and fixture design.
  • Experience with Lean Manufacturing, Six Sigma, and continuous improvement tools.
  • Familiarity with ISO 9001, IATF 16949, AS9100, or other relevant quality management systems.
  • Ability to read and interpret blueprints, engineering drawings, and GD&T specifications.
  • Strong problem-solving, troubleshooting, and analytical skills.
  • Excellent communication and teamwork skills to work cross-functionally with production, engineering, and quality teams.


Preferred Qualifications:

  • Experience in aerospace, automotive, or precision machining industries.
  • Certifications in Lean, Six Sigma (Green or Black Belt), or ASQ Certified Manufacturing Engineer (CMfgE).
  • Experience with automation and robotics integration in CNC machining.
  • Knowledge of ERP/MES systems for production tracking and scheduling.





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