Lead CNC Machinist (2nd Shift)

Job Description

Job Description

Title : CNC Machinist (Lead)

Location : Libertyville, IL

Hire Type : Contract to Direct Hire

Shift : 2nd Shift (3 : 30pm-2am) I Monday- Thursday

Salary : $24-$28 / hr.

Benefits : Competitive pay, full benefits package

Sterling Engineering is seeking a highly experienced CNC and Machining Lead to oversee and drive machining operations, lead a skilled team, and support process improvements. This is a hands-on leadership opportunity offering autonomy and direct engagement with management. The role includes responsibility for CNC programming, machine operation, training, quality enforcement, and maintenance support.

Job Duties :

Program CNC lathe and mill machines using CAM software (MasterCAM) from 2D / 3D models

Ensure programs align with machine / tooling capabilities, efficiency, and repeatability

Continuously improve programs for machining speed, accuracy, and consistency

Collaborate with engineering and production teams on design, tooling, and fixturing improvements

Operate CNC machines and mentor machinists on setup and best practices

Train team members in CNC machining equipment usage

Maintain optimal machine utilization and production efficiency

Operate manual horizontal and vertical lathes as needed

Train machinists in manual techniques to supplement CNC capabilities

Ensure manual machining equipment is used and maintained properly

Enforce high machining standards with regular inspections and feedback

Identify and implement process improvements and cost-saving opportunities

Perform or supervise maintenance, troubleshooting, and repairs to minimize downtime

Qualifications :

Minimum 5 years of CNC operations experience (lathe & mill)

Minimum 3 years of CNC programming experience using MasterCAM

Strong experience machining various steels : A36, C1018, C1045, 4140, 304 & 316 stainless

Skilled in horizontal and vertical axis lathe operation

Solid understanding of process optimization, quality control, and safety standards

Hands-on experience troubleshooting and maintaining CNC and manual machines

Forklift and overhead crane operation required

Experience with product sizes ranging from 4" dia. x 2" long up to 45" dia. x 12" long, 6–2000 lbs

Sterling Engineering is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.