Manual Milling Machinist

Jonaco Machine is a full-service precision machining supplier with over 50 years of industry experience producing a portfolio of complex, close tolerance parts for customers in the aerospace/defense, medical, semi-conductor and high technology industries.

Manual Milling Machinist

Aerospace Manufacturing / Precision Machining

Full-Time

Chaska, MN (Local Applicants only)

1st Shift

Competitive pay based on experience + benefits + $4,000 Hiring Bonus

We are seeking an experienced Manual Milling Machinist to support aerospace manufacturing operations producing precision‑machined components for aerospace, semi‑conductor, defense, and medical applications. This position is responsible for operating manual milling machines to manufacture high‑quality parts that meet strict aerospace tolerances and production standards.

The ideal candidate has strong machining fundamentals, and a commitment to quality, safety, and continuous improvement in a manufacturing environment.

• Operate manual milling machines to produce quality components to customer specifications
• Read and interpret blueprints, engineering drawings, and work instructions
• Machine parts to tight tolerances using aluminum, stainless steel, titanium, and specialty alloys
• Select tooling, determine feeds and speeds, and perform machine adjustments
• Inspect finished components using precision measuring instruments
• Deburr and finish machined parts to specification
• Maintain accurate production and inspection records
• Follow AS9100 quality standards and manufacturing procedures
• Support lean manufacturing and continuous improvement initiatives
• Maintain a safe, organized, and efficient work area

• 3+ years of manual milling experience in a manufacturing environment
• Ability to read mechanical drawings and GD&T
• Experience holding close tolerances on precision parts
• Proficient with calipers, micrometers, indicators, and other inspection tools
• Strong understanding of machining principles, tooling, and materials
• Ability to work independently and prioritize production schedules
• Strong attention to detail and quality workmanship

• Familiarity with AS9100 or ISO quality systems
• Experience with manual lathes, grinders, or secondary machining operations
• Trade school certification or machinist apprenticeship
• Prototype or low‑volume production experience

• Ability to stand for extended periods
• Ability to lift up to 50 lbs occasionally
• Manual dexterity and visual acuity for precision inspection

• Medical, dental, and vision insurance
• 401(k) with company match
• Paid holidays and PTO
• Overtime opportunities
• Career growth and training opportunities