Weekend Manufacturing Jobs in Exton, PA (NOW HIRING)

Acero Precision is seeking an experienced Senior CNC Programmer to program, setup, prove out, and optimize complex medical device components on advanced Mazak 5-axis and multi-tasking equipment.

This is not a desk-only programming role. 

You will own the complete manufacturing process - from programming and machine setup through first article inspection, process validation, and production launch - while providing technical leadership to a team of skilled machinists. 

If you enjoy solving challenging manufacturing problems, developing efficient machining strategies, mentoring machinists, and working with world-class technology, we want to hear from you. 

Our advanced machining environment includes: 

• Mazak Variaxis 5-Axis Machining Centers
• Mazak Integrex 100 and 200 with lower turrets 
• Mazatrol Programming Systems 
• Mastercam CAD/CAM Software 
• Advanced Multi-Axis Milling and Turning Technologies 

• Competitive hourly compensation based on experience 
• Overtime opportunities available 
• 2nd Shift Differential: Additional 15% 
• 3rd Shift Differential: Additional 30% 
• Weekend premium opportunities 
• Relocation Assistance available 
• Paid training on advanced manufacturing technologies 
• State-of-the-art climate controlled facility 
• Modern 5-axis and Swiss machining environment 
• Multiple affordable health insurance plan options, including no-cost HSA plans for eligible employees 
• Dental and vision coverage 
• 401 (k) with employer match 
• 100% paid uniforms 
• 100 hours PTO during your first year of employment 
• 7 paid holidays annually 
• Employee Assistance Program (EAP) 
• Wellness Coach Program Access 

You will support the production of highly engineered medical device components requiring: 

• Tight dimensional tolerances 
• Superior surface finishes 
• Complex multi-axis machining strategies 
• Precision features and critical geometries 

Material include: 

• Stainless steel 
• Titanium 
• Speciality alloys
• Engineering-grade plastics 

• Develop complete machining strategies for complex medical device components 
• Program, setup, and optimize Mazak Variaxis and Integrex platforms 
• Create CNC programs using both Mazatrol and Mastercam 
• Perform machine setups, prove-outs, and production launches 
• Conduct first article inspections (FAIs) and support validation activities 
• Establish tooling, fixturing, and workholding requirements 
• Troubleshoot machining, tooling, and process-related issues 
• Improve cycle times, reduce waste, and increase manufacturing efficiency 
• Interpret engineering drawings, GD&T requirements, surface finish specifications, and revision levels
• Support and mentor machinists to ensure low-error, on-time production performance 

• Minimum 5 years of CNC programming experience within a precision manufacturing environment 
• Advanced Mazatrol programming experience 
• Advanced Mastercam experience 
• Experience programming and setting up Mazak Variaxis and/or Integrex platforms 
• Ability to independently program, setup, prove out, and launch new production jobs 
• Strong blueprint reading and GD&T interpretation skills 
• Deep understanding of machining mathematics, tooling workholding, and process development
• Proven ability to troubleshoot and optimize manufacturing processes 
• Strong knowledge of inspection methods and quality control procedures 

• Medical device manufacturing 
• Aerospace manufacturing 
• Defense or military manufacturing 
• Continuous improvement initiatives 
• Process development and tooling optimization 
• Leading or mentoring machinists and technical teams 
• Manufacturing engineering education, apprenticeship, or technical training 

At Acero Precision, programmers do more than create code. They own processes, solve complex manufacturing challenges, and help deliver critical medical components where precision directly impacts our customers.

If precision is your passion, programming is your expertise, and excellence is your standard, we invite you to join a team committed to technical innovation and continuous improvement. 

Apply today and help build something extraordinary with Acero Precision.  

Acero Precision is proud to be an Equal Opportunity Employer. Acero Precision does not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any basis covered by appropriate law. All employment is decided on the basis of qualifications, merit and business need. 

*Principals only. Recruiters please do not apply on behalf of your candidates to Acero Precision job posts. All applications and/or contact information submitted are kept on file and are the property of Acero Precision. Please note recruiting fees will not be honored with candidate applications submitted by recruiters.