Process Engineer

Coherent Corp. • rosario, batangas • Posted May 31, 2026

Position Overview

Job Description

Primary Duties & Responsibilities

  • Develop and optimize chemical‑mechanical polishing and fine grinding techniques for ZnSe.
  • Reduce defects such as surface haze, scratches, subsurface damage, and roughness through process improvements.
  • Production & Quality Control
  • Implement statistical process control (SPC) for polishing uniformity.
  • Define quality criteria (flatness, roughness, surface irregularities) based on interferometry.
  • Work with the Quality Assurance team to ensure compliance with optical performance standards (ISO 10110, MIL‑PRF‑13830B).
  • Tooling & Equipment Management
  • Maintain and optimize lapping and polishing equipment (single/double‑sided polishers, planetary systems).
  • Evaluate new tools, pads, slurries, and coatings to enhance performance.
  • Develop predictive maintenance programs to ensure equipment reliability.