Manufacturing Engineer - CNC & Process Development

CNC Manufacturing Engineer – Programming & Setup (East Peoria, IL)

Location: 1360 Spring Bay Rd, East Peoria, IL 61611

Employment Type: Full-Time

Salary: $85,000–$105,000/year (based on experience)

Benefits: Health Insurance, 401(k) Match, Overtime Opportunities, Tool Allowance

About Us

River City Machine, LLC is a growing, high-precision CNC machine shop specializing in engine components for automotive and industrial markets. Our facility includes 5-axis machining centers, 9-axis mill-turn machines, and a Landis/Fives CNC Camshaft Grinder .

We are a division of RCD Performance, LLC — a leader in performance aftermarket products for the diesel industry . Unlike most machine shops, we design, test, and market our products directly to consumers , which gives us immediate feedback for design improvements and allows our engineers to see the real-world impact of their work.

We are currently investing $5 million in a new, fully air-conditioned facility , making this the perfect time to join our team and grow with us.

The Opportunity

We are looking for a CNC Manufacturing Engineer with strong CNC programming and setup skills . In this role, you’ll be the bridge between design and production — programming our advanced machines, designing fixturing, and ensuring smooth handoff to operators.

If you’re passionate about precision machining, process improvement, and contributing to products that real customers use and love , this is your chance to work with cutting-edge technology and make a real impact.

What You’ll Do

• Program and optimize CNC operations for 5-axis, 9-axis, and grinding equipment using CAM software (Mastercam, Siemens NX).
• Interpret blueprints and apply GD&T to achieve accuracy within tight tolerances.
• Design and implement fixturing solutions for complex engine parts.
• Set up CNC machines, configure Fanuc controls , and verify tool paths.
• Partner with operators to troubleshoot and ensure seamless production runs.
• Continuously improve machining processes to reduce cycle times and boost productivity.
• Maintain setup sheets, programming documentation, and repeatable processes.
• Collaborate with design teams to integrate direct customer feedback into new products.

What We’re Looking For

• Bachelor’s degree in Manufacturing/Mechanical Engineering OR equivalent hands-on experience.
• 3+ years of CNC programming & setup in a production environment.
• Strong experience with Fanuc controls and multi-axis machining .
• Proficiency with CAM software (Mastercam, Siemens NX, Fusion 360) and CAD (SolidWorks, AutoCAD).
• Ability to design and implement custom fixturing .
• Strong problem-solving, attention to detail, and teamwork skills.
• Experience with camshaft grinding equipment is a plus.

Why Join Us?

• Work with a parent company (RCD Performance, LLC) that is a recognized leader in diesel aftermarket performance products .
• Be part of a team that designs, tests, and sells directly to consumers — and see your work make an immediate difference.
• $5 million expansion and state-of-the-art, air-conditioned facility.
• Hands-on experience with cutting-edge CNC technology .
• Competitive pay, overtime opportunities, and a tool allowance .
• Career growth potential in a company that values innovation and expertise.
• Join a growing team in East Peoria’s thriving manufacturing hub .

How to Apply

You can apply directly on Indeed OR email your resume and cover letter to View email address on click.appcast.io

. Please highlight any experience with 5-axis, 9-axis, or camshaft grinding equipment .

River City Machine, LLC is an Equal Opportunity Employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, or veteran status.