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Machining Engineer

Hickory, North Carolina, United States

US Conec, Ltd.

Engineering Innovation. Precision Plastics. Powering AI.

US Conec, Ltd. is a trusted, global company that prides itself on engineering excellence—creating innovative connectivity solutions that support today’s most important technologies. We foster a friendly, inclusive culture that values teamwork, creativity, and mutual respect. At US Conec, you’ll find real opportunities to grow and make a meaningful impact in a company that genuinely cares about its people and its customers. With competitive compensation, excellent benefits, and a supportive environment, this is a place where you can build your future—whether your interests lie in manufacturing, engineering, operations, or beyond.

Machining Engineer 

 

Overview

US Conec is seeking a Senior Precision Machining Engineer to join our advanced tool & die and injection mold tooling team. In this role, you will support CNC machining, wire EDM, sinker EDM, high-precision grinding, and single point diamond turning (SPDT) operations to produce ultra-precision mold components.

This position operates at the forefront of precision manufacturing, producing injection mold tooling with tight tolerances down to ≤±1 µm. You will work with hardened tool steels and carbide, partnering closely with design engineering, metrology, and toolroom teams to ensure dimensional accuracy, manufacturability, and long-term tooling reliability across the production lifecycle.

Responsibilities

  • Program, set up, and optimize CNC machining centers, wire EDM, sinker EDM, and high-precision grinding equipment to achieve ≤±1 µm tolerances.
  • Develop and refine CAM programs using ESPRIT, G-code, Autodesk Inventor, and NanoCam.
  • Select grinding wheels, EDM electrodes, wire types, and flushing strategies to improve surface finish, accuracy, and cycle time.
  • Design and implement precision workholding and fixturing solutions with thermal stability and temperature compensation considerations.
  • Apply GD&T and tolerance stack-up analysis to ensure dimensional conformance.
  • Collaborate with mold and die designers to adjust prints for shrinkage, true position, and manufacturability.
  • Build and qualify grinding wheels, electrodes, and fixtures for precision machining applications.
  • Perform final inspections using CMM, laser micrometers, air gauges, and profilometers.
  • Implement SPC, CPK analysis, corrective actions, and standard work procedures.
  • Lead DOE, Lean manufacturing, and Kaizen initiatives to improve process capability and reduce machining time.
  • Support toolroom operations including new mold builds, ECNs, and urgent repairs.

Must Haves

  • Bachelor’s degree in mechanical engineering, manufacturing engineering, or related field.
  • 3–7+ years of experience in precision CNC machining, wire EDM, and grinding for mold/die or high-accuracy components.
  • Proven ability to hold tight tolerances (≤±1 µm); experience with sub-micron positioning preferred.
  • Expertise in machining hardened tool steels and carbide (e.g., H13, M1, PM steels).
  • Proficiency in CAM programming, GD&T, and tolerance stack-up analysis.
  • Hands-on experience with CMM and advanced metrology equipment.
  • Ability to read and interpret mold and tooling drawings and understand injection molding components.
  • Knowledge of fixture design, thermal management, and precision work holding.
  • Preferred: Experience with SPDT, Moldflow analysis, sinker EDM, and basic CNC milling/grinding.

What We Offer

  • Competitive compensation based on experience and precision skill level.
  • Comprehensive health, dental, and vision insurance plans.
  • Paid time off and holidays to support work-life balance.
  • 401(k) retirement savings plan with employer match.
  • A collaborative, innovation-driven culture.
  • Opportunities for cross-training and advancement.
  • Inclusive workplace with reasonable accommodations for qualified individuals.

 

US Conec will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire. 

US Conec will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

Join US Conec today and be part of a team that values each other, promotes innovation and growth, and strives to exceed customer expectations in everything we do. 

 US Conec is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, disability, protected veteran status, or any other legally protected characteristics

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