CNC Moldmaker​/Programmer

Opti Staffing is Hiring!

Position: CNC Moldmaker / Programmer (Mastercam)

Location: Clackamas, OR

Pay: Competitive, DOE

Schedule: Full-time, with overtime as required by customer needs

We are a precision mold making shop in Clackamas, OR, focused on high-quality, customer-driven tooling solutions. Our team specializes in plastic injection molds, compression molds, and die cast dies, producing complex, high-precision tooling directly from 3D CAD data. We value craftsmanship, technical skill, and collaboration, and we are seeking a CNC Moldmaker/Programmer with strong Mastercam programming experience to join our team.

• Program CNC machines using Mastercam (2D & 3D toolpaths required) to machine high-precision mold components from complex CAD models.
• Develop efficient machining strategies including roughing, semi-finishing, and finishing toolpaths.
• Set up and operate CNC mills, including high-speed machining equipment.
• Collaborate in kick‑off meetings to plan mold build strategies, programming approaches, and machining sequences.
• Optimize programs for accuracy, surface finish, cycle time, and tool life.
• Prepare and interpret sketches, 2D/3D CAD data, and detailed job instructions.
• Inspect machined components to ensure tight tolerances before releasing to the next stage.
• Complete documentation and paperwork for mold assembly and job tracking.
• Operate multiple machines and assist with shop support tasks such as shipping/receiving when needed.
• Maintain a clean, organized, and safety‑focused work environment.
• Communicate machine issues, tooling needs, and workflow updates to supervisors and team members.

• A programming-focused role where Mastercam skills are used daily.
• Opportunity to deepen expertise in complex 3D mold programming and machining strategies.
• Hands‑on exposure to plastic injection, compression, and die cast mold making.
• Team‑oriented environment with advancement opportunities for skilled programmers.
• Direct mentorship from experienced mold makers and programmers.
• Overtime opportunities based on customer delivery requirements.

• High school diploma or equivalent.
• Proven experience programming CNC machines using Mastercam (required).
• Minimum 1 year of CNC milling experience in a precision machining environment.
• Strong understanding of shop math, geometry, trigonometry, and machining principles.
• Ability to work from complex CAD data and maintain close tolerances.
• Computer skills for programming, documentation, and inter‑office communication.

• Hands‑on Mastercam programming experience (2D & 3D toolpaths is mandatory).
• Strong problem‑solving and troubleshooting abilities.
• High attention to detail with pride in precision workmanship.
• Ability to stand for extended periods and lift 50+ pounds (with equipment for heavier loads).
• Clear written and verbal communication skills.
• Team‑oriented mindset with a strong work ethic and reliability.

• Experience programming complex 3D surfaces and mold components in Mastercam.
• Prior mold making experience (plastic injection, compression, or die cast).
• High-speed machining experience and tooling knowledge.
• Experience optimizing programs for cycle time and surface finish.

Please respond with an updated resume!

📞 Call Kristian at
📞 Grant at

To schedule an interview, or stop by for a walk‑in interview at:
703 Broadway St, Suite 690
Vancouver, WA 98660