CNC Mill Machinist

As a CNC Mill Machinist at Kurt J. Lesker Company , you’ll manufacture precision , engineered‑to‑order components where accuracy, craftsmanship , and problem‑solving matter. In this hands‑on role, you’ll set up and operate vertical and horizontal CNC milling machines , machining complex metallic and non‑metallic parts to tight tolerances .

This position is ideal for an experienced CNC Machinist who enjoys challenging work, collaborating with engineering, and producing high‑quality custom parts in a low‑volume, high‑mix manufacturing environment .

Take a minute to hear from our team about life in our machine shop : Machine Shop Testimonials.

Job Details:

• Shift: 1st, 2nd & 3rd (Monday - Friday)
• Type of Employment: Full-time
• Location: Jefferson Hills, PA
• Division/Department: Manufacturing/Machine Shop
• Reports to: CNC Supervisor

Key Responsibilities:

• Perform complex machining operations on CNC milling machines (vertical and horizontal)
• Read, understand, and troubleshoot G‑code
• Mentor and support other machinists in resolving complex machining challenges
• Apply extensive knowledge of Geometric Dimensioning & Tolerancing (GD&T)
• Produce quality parts efficiently while meeting production schedules
• Verify conformance of finished parts using precision measuring instruments
• Collaborate with Machinists, Engineers, and Project Managers to solve problems and improve processes
• Safely operate overhead cranes and lifting equipment
• Maintain compliance with safety, quality, and shop standards
• Perform other duties as assigned

Qualifications Required :

• 4 + years of CNC machining experience in a machine shop environment OR completion of Journeyman papers plus 2 years of experience
• Advanced knowledge of CNC machining techniques and milling practices
• Strong machinist math skills, including trigonometry and geometry
• Proficient in reading and interpreting blueprints, shop drawings, and GD&T
• Proficient with precision measuring tools
• Ability to bend, stoop, squat, twist, and lift up to 60 lbs unassisted
• High School Diploma or GED

Preferred:

• Experience with 3+2 axis machining
• Experience using Mastercam
• CNC programming experience or capability
• Associate’s degree in a related technical field

Benefits and Awards:

• Insurance & Financial: Comprehensive Medical, Vision, Dental, Life, and Disability Insurance; 401K Match; Flexible Spending Plan
• Work-Life Balance: Paid Time Off; Employee Engagement and Sustainability Programs
• Recognition: PBT’s Best Places to Work; Business Ethics Award; Advanced Manufacturing Award
• Compensation: Competitive Wages

Why Kurt J. Lesker Company: Kurt J. Lesker Company is a global leader in vacuum technology and advanced manufacturing, supporting critical industries such as semiconductor, aerospace, medical, and optical. With more than 70 years of innovation, we offer employees the opportunity to contribute to cutting‑edge technologies in a collaborative, mission‑driven environment.

We offer:

• Competitive compensation
• Comprehensive medical, dental, vision, life, and disability insurance
• 401(k) with employer match
• Paid time off and employee recognition programs
• On‑site gym, wellness programs, and walking trails
• Electric vehicle charging stations and sustainability initiatives
• A collaborative, people‑first culture

Kurt J. Lesker Company is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. KJLC is committed to providing reasonable accommodations for persons with disabilities unless doing so would result in undue hardship. If you need a reasonable accommodation for any part of the employment process, please contact Human Resources at [email protected] or (412) 387‑9200.

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