CNC Machine Operator - CAL

Posted Thursday, December 11, 2025 at 9:00 AM

Headquartered in Fort Mill, South Carolina, Mac Lean Power Systems (MPS) is a leading manufacturer of mission-critical and engineered components for the electric utility, telecommunications, and civil markets. Established in 1986 as a subsidiary of a larger parent company, MPS has grown substantially and now operates as a standalone company. A dedicated workforce of over 1,600 team members worldwide, MPS is renowned for its commitment to quality, responsiveness, and safety.

Our focus on vertical integration ensures the highest standards across our product lines. We operate nine production facilities across North America and continually invest in our manufacturing capabilities to better serve our customers.

At MPS, we strive to create a workplace that embodies respect, openness, collaboration, personal growth, and entrepreneurship. We are committed to achieving excellence in Environmental, Health & Safety through our Mission Zero initiative.

The CNC Machine Operator is responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce high-quality precision parts according to engineering blueprints and specifications.

• Set up and operate CNC machines (e.g., mills, lathes, routers, grinders) according to job orders and engineering drawings.
• Load raw materials and verify correct tooling, fixtures, and offsets.
• Interpret technical drawings, blueprints, and GD&T symbols.
• Monitor machine operations, make adjustments, and perform tool changes as needed.
• Inspect finished parts using calipers, micrometers, gauges, and other precision measuring instruments.
• Maintain accurate production records, including setup sheets and quality documentation.
• Perform routine machine maintenance and report mechanical issues promptly.
• Follow all safety protocols, lockout/tagout procedures, and workplace guidelines.
• Collaborate with engineers, supervisors, and quality control personnel to resolve production issues.
• Identify opportunities to improve machining processes and reduce waste.
• Adhere to 5S standards (e.g., maintain cleanliness of work area, etc.)
• Perform other duties as assigned

• High school diploma or GED; technical certification or trade school training preferred.
• 2+ years of CNC machining experience in a manufacturing or metalworking environment.
• Proficiency in reading blueprints and understanding machining principles.
• Experience operating CNC machines (HAAS SL-30, HAAS TL-3, Samsung SL25004 and/or Hurco VM20i a plus, or similar controls)
• Ability to use precision measuring tools (micrometers, calipers, height gauges).
• Basic understanding of G-code and machine programming concepts (a plus).
• Intermediate verbal and written communication skills
• Strong mechanical aptitude and problem-solving skills.
• Knowledge of CAD/CAM software
• Excellent analytical and problem-solving abilities.
• Ability to identify and seek needed information/research skills
• Detail oriented

$23 - $26

Various agencies of the United States Government require employers to maintain information on applicants pertaining to factors such as race, sex, and type of position for which an individual applies. The information requested is voluntary and for compliance with certain record keeping requirements. Mac Lean Power, LLC has a long-standing commitment to equal employment opportunity for all its associates and applicants for employment.

Mac Lean Power, LLC believes all persons are entitled to equal employment opportunities and does not discriminate against its employees or applicants for employment because of race, color, gender, affectional or sexual orientation, domestic partnership status, ancestry, religion, national origin, citizenship status, marital status, disability, veteran status, age or any other protected group status.
All job offers are conditional, upon successful completion of pre-employment screening, including criminal checks, drug testing, employment, and education verification.