Contract Precision Grinding Machinist Jobs (NOW HIRING)

At a Glance

Company: KMM Group, Ltd.
Location: Hatboro, PA (On-site)
Job Type: Full-Time
Pay: Up to $37/hour (based on experience)
Experience: 5+ years
Industry: Medical Devices, Aerospace, Defense & Space Exploration
Work Authorization: U.S. Citizen or Green Card Holder (ITAR Required)

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CNC OD/ID Grinding Machinist

Grinding is different.

Anyone can load parts into a machine. Great grinding machinists understand how to read the part, control the process, and consistently produce tight-tolerance components that customers depend on.

That's what we're looking for at KMM Group.

Our team manufactures precision components used in medical devices, aerospace, defense, and space exploration. The work is challenging, the tolerances are tight, and quality matters on every part.

If you enjoy precision work and want to continue developing your grinding skills on modern equipment alongside experienced craftspeople, we'd like to talk with you.

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Why This Role Matters

KMM Group continues to grow its precision manufacturing capabilities from our new 100,000-square-foot facility in Hatboro, Pennsylvania.

This position plays an important role in producing mission-critical precision components where consistency, craftsmanship, and attention to detail are essential. You'll work alongside experienced machinists using advanced grinding equipment to manufacture parts that support some of the world's most demanding industries.

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What You'll Be Doing

In this role, you will:

• Set up and operate CNC OD and ID grinding machines
• Perform precision cylindrical grinding on complex components
• Grind between centers and perform chucking OD and ID grinding
• Operate non-round grinding processes when required
• Perform conversational CNC programming and program adjustments
• Complete multi-tool grinding setups
• Read blueprints, work instructions, and engineering drawings
• Verify dimensions using precision measuring equipment
• Perform first-piece, in-process, and final inspections
• Troubleshoot issues involving size, finish, geometry, and machine setup
• Protect customer-owned material and minimize scrap
• Accurately track production through job clock-in/clock-out procedures
• Work closely with Quality Assurance and production teams
• Support continuous improvement initiatives throughout the department

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Machines You'll Work With

You'll have the opportunity to operate equipment including:

• Kellenberger Kel-Vista CNC Grinders
• Kellenberger Kel-Vita CNC Grinder (Non-Round Grinding)
• Jones & Shipman CNC Grinder

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Inspection Equipment

You'll regularly use:

• Micrometers
• Calipers
• Dial Indicators
• Bore Gauges
• Precision inspection equipment

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Industries You'll Support

The parts you manufacture support customers in:

• Medical Devices
• Aerospace
• Defense
• Space Exploration
• High-Precision Contract Manufacturing

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What We're Looking ForRequired

• 5+ years of CNC grinding or precision machining experience
• Experience with OD and/or ID grinding
• Ability to read blueprints and technical drawings
• Experience using precision measuring equipment
• Strong troubleshooting and problem-solving skills
• Excellent attention to detail
• Commitment to quality and safe work practices

Preferred

Experience with any of the following is a plus:

• CNC cylindrical grinding
• Conversational CNC programming
• Non-round grinding
• Grinding between centers
• Chucking OD/ID grinding
• Medical, aerospace, defense, or precision manufacturing
• Tight-tolerance machining

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Why Machinists Like Working at KMM Group

KMM Group brings together three highly respected precision manufacturing companies under one roof, combining more than 100 years of manufacturing experience.

Our new Hatboro facility includes more than 150 milling, turning, grinding, and EDM machines, giving machinists the opportunity to continue learning while working on some of the industry's most demanding parts.

You'll find:

• Clean, climate-controlled manufacturing facility
• Modern precision grinding equipment
• Challenging work with medical, aerospace, defense, and space customers
• Apprenticeship and ongoing training opportunities
• Experienced teammates who enjoy sharing knowledge
• Long-term career growth across multiple machining disciplines

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Pay & Benefits

Pay

• Up to $37/hour, based on experience

Benefits Include

• Medical, Dental & Vision Insurance
• Prescription Coverage
• Life & Disability Insurance
• 401(k) with Employer Match
• Paid Holidays
• Paid Time Off
• Employee Assistance Program
• Wellness Programs
• On-site Gym
• Apprenticeship & Ongoing Training
• Professional Development Opportunities

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ITAR Requirement

KMM Group is an ITAR-registered facility.

Applicants must be either:

• A U.S. Citizen, or
• A lawful permanent resident (Green Card Holder)

A Restrictive Covenant Agreement (NDA) is required for this position.

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Build Your Career at KMM Group

If you're an experienced CNC grinding machinist looking for challenging work, modern equipment, and a team that values craftsmanship, we'd like to hear from you.

Apply today through hireCNC and join KMM Group in Hatboro, PA.